Answer: 2 \ (/kloc-0 in 2/-0/-20% in 4).
=2 times 20
=40 (km) A: The distance is 40 km.
2. The average price of a kind of children's clothing is 1 15 yuan. Among them, men's wear is more expensive than women's wear 1, and women's wear is more expensive than men's wear on average 10%. What is the average price of men's wear in these children's clothes?
Answer: 1 15 times (1+ 1 time (65438+5 of 1+0)) = 253 yuan.
253÷( 1 time (1+ 10%)+ 1 time (65438+5 of 1+0)) =1/kloc-0.
A: Yes 1 10 yuan.
Party A, Party B and Party D donated money to the earthquake-stricken areas. Party A donates half of the other three people, Party B donates one third of the other three people, Party C donates one quarter of the other three people, and Party D donates 260 yuan. How much do four people donate?
Answer:
260 \ u (1-11+2-11+0/1+4) =1200 yuan.
A: Four people donated money 1200 yuan.
Prompt: {1/2 =1}1) = 3 ÷ 5 = () ÷15 = () ∶ 45 = () Decimal = ()%.
(2)2 hours 15 minutes = () hours; 0.5 minutes = () hours; 1 = () points.
Ton = () kg; 2.75 square meters = () square meters () square decimeter.
(3) and (3) are reciprocal; The reciprocal of 1 is (); () There is no equivalence; The reciprocal of 0.3 is ().
(4) A number is 12, and this number is ().
(5) Divide a 3-meter-long wire into five equal parts, each part is () of the section, and each part is () meters long.
(6)3. 14, 3. 1444…, 3. 14 14…, 3,31.4% are arranged in descending order as follows:
( )
(7) The number of girls accounts for the whole class, and the number of boys is equivalent to () of the number of girls, with more than ()% of girls and less than ()% of boys.
(8) If the train speed is faster than the vehicle speed, the vehicle speed is slower than the train speed.
(9) If the number of A equals the number of B, then the number of A is () of B, and the ratio of B to A is ().
(10) Master Wang processed 58 parts, and two of them were unqualified, with a qualified rate of ()%.
(1 1) 8 is ()% of 5; 5 is ()% of 8;
5 is less than 8 ()%; 8 is greater than 5 ()%;
(12) 25% of 30 tons is (); 25% of () is 30 tons;
35% under 30 tons is (); 25% less than () is 30 tons.
(13) 47.85% is written as (), and 15.864% is pronounced as ().
(14) 8m. If cut, there are () meters left; Cut off 8 meters of rice, leaving () meters.
(15) If Master Zhang completes the task in 4 days, it will take () days to complete the task every day and () days to complete all the tasks.
(16) Red pond equals white sugar, 36 kg of white sugar and () kg of red pond.
(17) A bag of 50 kilograms of flour, first used, then used, with () kilograms left.
A rectangular piece of land is 12 meters wide. Compared with the length, the length, perimeter and area of this land are ().
(19) A square steel plate has a circumference of 2.8m, a side length of () m and an area of ().
(20) A number is 10, and the reciprocal of this number is ().
(2 1) A rice mill can mill tons of rice per hour. This rice mill averages () tons of rice per hour, and it takes () hours to grind rice 1 ton.
(22) Boys 18 and girls 12 in the school mathematics interest group, and the ratio of the number of boys to the number of girls is (); The ratio of girls to boys is (); The proportion of boys in the total number is (); The ratio of the total number to the number of girls is ().
(23) The ratio of 2.5: 0.75 is (), and the simplest integer ratio is ().
(24) A project needs 20 days for Team A and 30 days for Team B, so the working day ratio of Team A and Team B is (), and the simplest integer ratio of work efficiency is ().
(25) A document needs to be typed in hours, and B needs to be typed in hours. The ratio of working hours of Party A and Party B is ();
The ratio of work efficiency is ().
(26) The ratio of male to female in the school track and field team is 4∶3, there are 35 people in the track and field team, and there are () boys in the track and field team. If there are 20 boys, there are () girls.
(27) After the numerator of a fraction is multiplied by 3, the fraction becomes, originally ().
(28) When the grain stored in warehouse A is transferred to warehouse B, the grain in the two granaries is equal, and warehouse B originally occupied warehouse A ().
(29) The road team built a section of the road, and the first day and the second day, they rested, and the remaining section of the road () was not repaired.
(30) Potions account for potions, potions account for water () and water accounts for potions ().
(3 1) When water becomes ice, its volume increases, and when it becomes water, its volume decreases ().
(32) Cut a rope into small pieces with the same length, 10 times, and each piece accounts for () of the total length.
(33)400 kilograms of wheat flour is 340 kilograms, and the flour yield of wheat is ().
(34) A steel pipe used 8 meters, leaving 24 meters, used ()%, and left ()%.
(35) The output of a factory in May was 120% of that in April, and increased by ()% in May.
(36) 15 kg is exactly ()% of 20 kg.
(37) The ratio of two acute angles of a right triangle is 2: 7, and the smallest angle is () degrees.
(38) A cuboid, length: width: height = 5: 1: 2, and the sum of side lengths is 64 cm. The volume of this cuboid is () cubic centimeters.
(39) Dissolve 50 grams of sugar in 200 grams of water, with sugar accounting for () of water weight and sugar accounting for () of sugar water.
(40) X and X are represented by shaded parts in the following two rectangular figures.
(4 1) It is known that ○+○ =100, (□ +△) × ○ = 1250, □ = △× 4, then ○ = (), □ = (), △ = ().
(42) 47× 0.25× 4 = ()× (×) According to (), the arithmetic expressed in letters is ().
(43) Cut the 5-meter-long iron wire into small pieces every meter, and cut it once.
(44) The original price of a garment in 240 yuan has now dropped to 2 16 yuan, a decrease of ()%.
(45) There are 45 students in Class 6 (1), in which the ratio of male to female students is 5∶4, with ()% more boys than girls, and girls account for the whole class.
(46) Cut a cylindrical wooden stick with a length of10m into six sections on average, and the cutting time of each section accounts for ()% of the total time.
Xiao Ming is one year old, 0.2 times of Xiao Gang's 65438+ Xiao Ming's 65438, and Xiao Gang is () years old.
(48) The master processes one part every day, and the apprentice processes 15 parts less than the master every day.
A- 15 stands for ();
2a- 15 stands for ();
5 (A- 15) means ().
(49) The ratio of perimeters of two squares is 3: 4, the ratio of perimeters is (), and the ratio of areas is ().
(50) The simplest integer ratio of 0.5m: 30m is ().
(5 1) has three natural numbers, the ratio of number A to number B is 3: 5, the ratio of number B to number C is 4: 7, and the ratio of these three numbers is ().
(52) The degree ratio of three angles of a triangle is 1: 2: 3, and this triangle is a triangle.
(53) A pesticide, which is prepared from medicine and water in the ratio of 1: 1500. The existing drug is 0.5 kg, and () kg of water should be added.
(54) The ratio of number A to number B is 5∶7, the difference is 48, number A is () and number B is ().
(55) Make a rectangle with the length-width ratio of 4: 1 with 80cm iron wire, and the area of this rectangle is ().
(56) The efficiency ratio of workers A and B is 2∶3. When Party B finishes Part 252, it finishes Part () in one go.
(57) Six children jump rope, and * * * has four jump ropes. 1 hour, they take turns to jump, with an average of () minutes per person.
(58) Two rectangles and squares with a circumference of 24 cm, () has a larger area.
(59) A pile of coal weighs 5 tons, and it will take () tons to use it; A pile of coal weighs 5 tons, and there are () tons left after use.
(60) The reciprocal of the smallest prime number is (); The reciprocal of the minimum composite number is ().
(6 1) Divide the 6-meter-long rope into five sections on average, each section is the length of the rope, and each section is () meters long.
The side length of a cube is decimeter, the surface area is () square decimeter, and the volume is () cubic decimeter.
(63) It takes 10 days to process a batch of parts, with an average of () pieces completed every day, and () pieces left after 6 days of work.
(64) The ratio of the perimeter to the side length of a square is ().
(65) A rope is cut, and the ratio of the cut length to the remaining length is ().
(66) Complete a batch of parts, processing 75 parts per hour and completing it in 8 hours; B Processing 60 pieces per hour, 10 hour.
① The ratio of work efficiency of Party A and Party B is (), and the ratio is ();
② The working time ratio of Party A and Party B is (), and the ratio is ().
(67) A number is greater than B number, then A number is B number (); The ratio of number a to number b is ().
(68) The side length ratio of a small square to a large square is 2: 3, so the perimeter ratio of a small square to a large square is () and the area ratio is ().
(69)4 tons is as heavy as ().
(70) If a batch of parts is produced, the total number of parts will be completed in 5 days, and the average number of parts will be completed every day ().
(7 1) A tractor plows hectares of land every hour, with an average of (), and it takes () hours to plow 1 hectare.
(72) Car A travels from place A to place B at a speed of 75 kilometers per hour, and it takes 4 hours to complete the journey. The distance between Party A and Party B is () kilometers.
(73) The circumference of a rectangle is 24 cm, and the length-width ratio is 2: 1, so the length, width and area of this rectangle are (), ().
(74) A story book * * * is 105 page. Those who finish reading the book on the first day will read 25 pages the next day, and the third day will start from page ().
(75) A rice mill grinds rice tons per hour, with an average of () tons per hour, and it takes () hours to grind rice 1 ton.
(76) "A pile of coal, used for the first time, used for the second time". The () th score in this sentence can be expressed as a percentage.
(77) Xiaohong reads a story book and finishes it in one day (A is greater than 8). I can finish reading this book in 8 days (), and there is still () left.
(78) Counting goats by sheep, the ratio of goats to sheep is (), that of sheep to goats is (), that of goats to the total number is (), and that of sheep to the total number is ().
(79) Building a canal, if the whole length is built every day, can be completed in () days.
(80) If the ratio of the degrees of the three internal angles of a triangle is 2: 3: 5, the three internal angles of the triangle are (), () and () respectively, which is a () triangle.
The simplest integer ratio of (8 1)20 kg: 0.2 ton is (), and its ratio is ().
(82) It costs 30 cents to buy four sheets of paper A, 40 cents to buy three sheets of paper B, and the ratio of the unit price of paper A and paper B is ().
(83) The average book of three numbers is 17, the average of the largest number and the smallest number is a, and the middle number is represented by letters as ().
(84) Saw a 2-meter-long rectangular wood into three sections, and the surface area increased by 64 square centimeters. The original volume of this wood is ().
The sum of the sides of the cube is 36 cm. Its surface area is () and its volume is ().
(86) If 3χ+4 = 25, then 4 χ+ 3 = ().
Xiaoming comes home from school to help his parents cook. He wants to cook rice and scrambled eggs with rice cookers and iron pans. It is estimated that it will take 65,438+0 minutes to wash the pot, 2 minutes to wash rice, 65,438+05 minutes to cook rice, 65,438+0 minutes to beat eggs, 3 minutes to wash the pot and boil oil, and 3 minutes to scramble eggs. What do you think is the most reasonable arrangement?
(88) If the length and width of a rectangle are increased by 8 cm, the area of the rectangle will be increased by 208 cm, and the original circumference of the rectangle is ().
A pocket contains 65,438+00 red, yellow and blue balls. At least () balls must be drawn, and there must be 10 balls of the same color.
(90) Xiao Ming has X stamps, Xiao Fang has 10 stamps twice as many as Xiao Ming, and Xiao Fang has () stamps.
(9 1) Three consecutive odd numbers, the middle is A, the largest is (), and the smallest is ().
The base of the triangle is 2.8 cm long and the height there is x cm. The area of this triangle is () cm.
(93) To build a road, X cm has been built, and the rest is 1.5 times of the built road, and the rest is () meters. This road is () meters long, and the rest is () meters longer than the completed road.
(94) At present, there are X red flowers, among which yellow flowers are five times as many as yellow flowers, yellow flowers have () flowers, two kinds of flowers have () flowers, and red flowers are less than yellow flowers () flowers.
(95) There are rice and flour in the canteen * * * 1500kg, in which rice is four times as much as flour, rice is () kg and flour is () kg.
Xiaoming is one year old, and his father is (a+b) years old. Five years later, my father was () years old and my father was () years older than Xiaoming.
The circumference of an isosceles triangle is 39 cm. Its base length is10cm, and its waist length is () cm.
The average of four numbers is 15. If every number is increased by y, then the sum of these four numbers is ().
(99) The length of a cuboid is12cm, the width is10cm and the height is 5cm. The sum of the sides of this cuboid is (), the surface area is () and the area is ().
(100) Make a ventilation pipe with a length of 1.5m with iron sheet. The nozzle is a square with a side length of 0.2m, and it needs at least () square meters of iron sheet.
(10 1) The cuboid has a volume of 96 cubic meters, a bottom area of 16 square meters and a height of () meters.
(102) Divide a cube with a side length of 4 cm into two identical cuboids. The sum of the volumes of these two cuboids is () cubic centimeters, and the sum of the surface areas is () square centimeters.
(103) Two cubes with a length of 4cm are spliced into a cuboid, and the spliced cuboid has a volume of () cubic centimeters and a surface area of () square centimeters.
(104) It takes several hours to cut a piece of wood into two parts. If it is cut into 5 pieces, it will take () hours.
(105) The length of an equilateral triangle is meters, and the circumference of this triangle is () meters.
(106) A story book with 120 pages. Xiaohong finished reading the whole book three days ago. On the fourth day, she should start reading from page ().
(107) A rectangular vegetable field, 20 meters long and 20 meters wide. The area of this rectangular vegetable field is ().
(108) The quality of a one-meter-long steel pipe is tons, 1 ton is () meters long, and 1 meter is () tons.
There are two baskets of fruit, and the fruit in basket A weighs 32kg. After taking out 20% from basket B, the weight ratio of the two baskets of fruits is 4:3. How many kilograms were there in the original two baskets of fruit?
6. Make a 600g bean paste bun, and the ratio of flour, red beans and sugar is 3:2: 1. How many grams of flour, red beans and sugar do you need?
7. Xiaoming read a story book. On the first day, he read 1/9 of the book, and the next day, he read 24 pages. The ratio of pages read in two days to remaining pages is 1: 4. How many pages are there in this book?
8. The ratio of the three internal angles of a triangle is 2:3:4. What are the degrees of these three internal angles?
Sixth grade math application problem 2
Second, the application of scores
1, a tank of water, used 1/2 and 5 barrels, with 30% left. How many barrels of water are there in this tank?
2. The length of a steel pipe is10m. Cut off 7/ 10 for the first time, and cut off the remaining 1/3 for the second time. How many meters are left?
3. After 2/3 of the expressway is completed, it is16.5km away from the midpoint. What is the total length of this highway?
4. The master and the apprentice made a batch of parts together, and the apprentice made 2/7 of the total, 2 1 less than the master. How many parts are there in this batch?
5. There is a batch of chemical fertilizers in the warehouse, and 2/5 of the total amount was taken out for the first time, and less than 1/3 of the total amount was taken out for the second time. At this time, there are 24 bags left in the warehouse. How many bags are taken out twice?
6. The distance between Party A and Party B is 1 152km. A bus and a truck leave from two places at the same time. Trucks run 72 kilometers per hour, 2/7 faster than buses. How many hours did it take for two cars to meet?
7. A coat is more expensive than a pair of trousers 160 yuan, in which the price of trousers is 3/5 of that of a coat. How much is a pair of trousers?
8. There are 60 black rabbits in the feeding group, and there are more white rabbits than black rabbits 1/5. How many white rabbits are there?
9. The school wants to dig an 80-meter-long sewer. 1/4 was dug on the first day, and 1/2 was dug on the second day. * * How many meters have you dug in two days? How many meters are left?
Sixth grade math application problem 3
Third, the percentage of application problems.
1. The output value of a chemical fertilizer plant increased by 20% this year, 5 million yuan more than last year. How much is this year worth?
2. The fruit company stores a batch of apples, and delivers them after selling 30% 160 boxes, which is more than the original apples110. How many boxes of apples are there?
3, a commodity, the original price is 20% less than the current price, the current price 1028 yuan, what is the original price?
The interest earned from the education savings is tax-free. Dad saved Xiao Xiao's education savings for three years, with an annual interest rate of 5.40%. Upon maturity, * * * received the principal and interest of 22,646 yuan. What is the principal of the education savings fund that Dad gave Xiao Xiaocun?
5. The clothing store bought two clothes at the same time, each of which earned 120 yuan, but one of them earned 20% and the other accompanied 20%. Did the two clothes sold by the clothing store make money or lose money?
6. The father is 43 years old and the daughter is 1 1 year old. A few years ago, my daughter was 20% older than my father.
6, less than 2/5 tons, 20% for () tons, () tons of 30% for 60 tons.
7, a 200-page book, read 20%, and left () pages unread. 40% of the number A is equal to 50% of the number B. The number A is 120 and the number B is ().
8. A factory used 5400 tons of water in the second half of April, saving 20% compared with the first half. How many tons of water were used in the first half of the year?
9. Zhang Ping has 500 yuan money and plans to deposit it in the bank for two years. There are two deposit methods. One is to save it for two years, with an annual interest rate of 2.43%. One is to save it for one year with an annual interest rate of 2.25%. When the first year expires, take out the principal and after-tax interest and deposit it for another year. Which method can I choose to get more after-tax interest?
10. Xiaoli's mother deposited 5,000 yuan in the bank for a year, with an annual interest rate of 2.25%. When withdrawing money, the bank withheld and remitted 20% interest tax. How much interest tax was paid at maturity?
1 1. The flour yield of a wheat is 85%. Grinding 13.6 tons of flour requires this kind of wheat.
Sixth grade math application problem 4
Fourthly, the application of circle.
1. Draw a circle with a perimeter of 12.56 cm, mark the center and radius with letters, and then calculate the area of the circle.
There is a circular lawn in the school. Its diameter is 30 meters. What is the area of this lawn? If you put a pot of chrysanthemums every 1.57 meters around the lawn, how many pots of chrysanthemums should you prepare?
3. The radius of a circle and a sector is equal, the area of the circle is 30 square centimeters, and the central angle of the sector is 36 degrees. Find the area of the sector.
In the distance of 720 meters, the front wheel turns 40 times more than the rear wheel. The circumference of the rear wheel is 2m, so find the circumference of the front wheel.
5. The diameter of the circular flower bed is 10 cm, and there are 2-meter-wide paths around it. What is the area of this path?
6. The school has a circular open space with a diameter of 40 meters. It is planned to build an annular flower bed in the center, and the rest will be paved with 6m wide cement pavement. What is the area of cement pavement?
7. There is a ring. The circumference of the inner circle is 3 1.4 cm, the circumference of the outer circle is 62.8 cm, and what is the width of the ring?
8. The minute hand of the wall clock is 20 cm long. After 45 minutes, how far did the tip of this minute hand move?
9. The hour hand of a big clock is 0.3 meters long. How many meters has the tip of this hour hand traveled in 1 day? How many square meters is the sweeping area?
Sixth grade math application problem 5
1, lifeguards and tourists * * * a total of 56 people, and there is the last lifeguard and seven tourists on each rubber dinghy. How many tourists are there? How many lifeguards are there?
2. Uncle Wang's vegetable field is 800 square meters, ready to grow tomatoes. The rest are planted with cucumber and eggplant according to the area ratio of 2∶ 1 What are the areas of the three vegetables?
Form a rectangle with a 28-meter-long iron wire. The length-width ratio of this rectangle is 5:2. What is the length and width of this rectangle?
4. Form a triangle with 84 cm long iron wire, and the length ratio of three sides of the triangle is 3: 4: 5. How many centimeters are the three sides of this triangle?
5. The ratio of the degrees of the three internal angles of a triangle is 1: 2: 3. What is the biggest angle in this triangle? What triangle is this triangle?
6. The road repair team wants to build a 432-meter-long road, which has been repaired. The remaining tasks are divided into two road repair teams, Party A and Party B, according to the ratio of 5: 4. How many meters do the two road repair teams need to repair?
7. In the "Learn from Lei Feng" activity, students in grade five and grade six did 80 good deeds on average, and the ratio of the number of good deeds between grade five and grade six was 3∶5. How many good deeds did the fifth and sixth grade students do respectively?
8. The distance between the two cities is 225 kilometers. A bus and a truck left two cities relatively at the same time and met after 2.5 hours. As we all know, the speed ratio of trucks and buses is 4: 5. How many kilometers do buses and trucks travel per hour?
9. Weld a 282.6 cm long iron bar into a circular iron ring. What is its radius?
10. For round bottom boilers, the circumference of the bottom circle is 1.57m, and what is the bottom area? (Figures shall be kept to two decimal places)
1 1. Xiaodong has a bike. The diameter of the wheel is about 66 cm. If the average speed is 100 laps per minute, then the distance from home to school is 4 144.8 meters. How many minutes will it take?
12. The minute hand of the wall clock is 20 cm long. After 30 minutes, how many centimeters did the tip of the minute hand walk?
13. The radius of the circular cowshed is 15cm. How long does it take to circle the cowshed three times? (joints are ignored. ) If a stake is installed every 2 meters, how many stakes will be installed?
14. The range of automatic rotary sprinkler irrigation device on the park lawn is 10 meter. How wide can it spray irrigation?
15. The circular roundabout is 50m in diameter, with a circular flower bed with a diameter of10m in the middle and lawns in other places. What is the area of the lawn?
16. A circular flower bed with a perimeter of 3 1.4m is built in the downtown garden, and a circular path with a width of 1m is built around the flower bed. What is the area of this path?
17, Xiaoming bought stamps with 50 cents and 80 cents *** 16, and * * * spent them 10.7 yuan. How many stamps does Xiao Ming buy each?
In 2002, there were 1263 academicians in China Academy of Sciences and China Institute of Engineering, including male academicians 1 185. What percentage of academicians are women?
19, Team A and Team B dig canals. It takes 8 days for Team A to dig alone, and it takes 12 days for Team B to dig alone. Now, after two teams dug for a few days at the same time, team B was transferred, and the remaining team A finished digging in three days. Bravo team dug for a few days.
There is a two-digit number, and the sum of its digits is 7. If you subtract 27 from this number, the number you get is exactly the reverse order of the number. Find this number.
Sixth grade math application problem 6
1, a rope is 4/5 meters long. First,1/4m is needed, and then1/4m is needed. How many meters does a * * * need?
There are 50 goats, 3 more than 4/5 goats. How many sheep are there?
3. Read a book with 120 pages. You read the whole book 1/3. How many pages are exactly 5/6 of the whole book?
4. A bottle of oil is 4/5 Jin, and 3/ 10 Jin has been used. 1/2 how many kilograms of oil does it take?
5. A bag of rice 120kg. On the first day, you eat 1/4, and on the second day, you eat the rest 1/3. How many Jin did you eat the next day?
6. For a batch of goods, one car can transport 1/8 at a time, and how many parts can be transported four times? If this shipment weighs 1 16 tons, how many tons have been shipped?
7. A factory used 28 tons of water in September,1planned saving in October 1/7. /kloc-How many tons do you plan to save in October?
8. The base of parallelogram is 24 meters long and its height is 3/4 of the base. What is its area?
9. Human blood accounts for113 of body weight, about two-thirds of blood is water, and dad's weight is 78kg. How many kilograms is his blood?
10, Grade 6 students participated in tree planting, boys planted 160 trees, and girls planted 5 more trees than 3/4 boys. How many trees do girls plant?
1 1. The number of students in the fourth grade of Guangxin Primary School is 4/5 of that in the fifth grade, and that in the third grade is 2/3 of that in the fourth grade. If the number of students in grade five is 120, how many are there in grade three?
12, two cars A and B leave from A and B at the same time, with a distance of 420km. After 5 hours, A walked 3/4 of the whole journey and B walked 2/3 of the whole journey. How many kilometers are the two cars apart?
13, 120 trees were planted in grade five, and the number of trees planted in grade six was 7/5 of that in grade five. How many trees were planted in the fifth and sixth grades?
14. A road of 12/5km was built. 2/3km was built in the first week and 1/3 was built in the second week. How many kilometers were built in two weeks?
15. A highway is 7/8 kilometers long. 1/8km was built on the first day. How many kilometers will the total length of 1/2 be more?
16, Xiaohua read a 96-page story book. The first day he read 1/4, and the next day he read 1/8. How many pages have you read in two days?
17. A book has 150 pages. On the first day, Xiao Wang read110, and on the second day, he read115. Which page should he start from on the third day?
18, the school transported 2/5 tons of cement, and the yellow sand transported was 5/8 of the cement, which was 1/8 tons more. How many tons of yellow sand were shipped?
19, Xiao Wei and Xiaoying contributed 2 :5 to Project Hope. Xiaoying donated 35 yuan. How much did Xiao Wei donate?
The TV factory plans to increase its output by two-fifths this year compared with last year. Last year,1/50,000 TV sets were produced. Tens of thousands of TV sets are planned to be added this year?
Sixth grade math application problem 7
1. A village wants to dig a canal with a length of 2700 meters, and it has already dug 1050 meters. How many meters does it take to dig two thirds of this canal?
2. Young Pioneers in a school collected tree species, the fourth grade 1/2kg, the fifth grade was more than the fourth grade 1/3kg, and the sixth grade was 6/5 more. How many kilograms of tree species were collected in the sixth grade?
The warehouse shipped 240 tons of rice, 5/6 tons of soybean and 3/4 tons of flour. How many tons of flour were delivered?
4. A basket of apples is 9/ 10 Jin, and a basket of apples is 1/9. Party A and Party B are equal. How many kilograms do you want for a basket of apples?
5. Two-thirds of a barrel of oil was poured out, just 36 kilograms. How many kilograms was there in this barrel of oil?
6. Two engineering teams, Team A and Team B, built a 360m road, and the length ratio of Team A and Team B was 5: 4. How many meters did Team A build more than Team B?
7. The number of workers in the first workshop of garment factory is 150, and the number of workers in the second workshop is 2/5 of that in the first workshop. The number of workers in the two workshops is just 5/6 of the total number of factory workers. How many workers are there in the whole factory?
8. A batch of fruits 120 tons, of which pears account for 2/5 of the total and apples account for 4/5. How many kilograms of apples are there?
9. The sum of numbers A and B is 120. Give 1/3 of A and B, and the ratio of A to B is 2:3. What is the original A?
10, Xiaohong collected 24 specimens, and after giving Xiao Fang 4 specimens, Xiaohong was just 4/5 of Xiao Fang. How many specimens does Xiao Fang have?
1 1, and two barrels of oil * * * weigh 27kg. After 2 kg of oil was used in the big barrel, the weight ratio of the remaining oil to the small barrel oil was 3: 2. How many kilograms of oil was there in the barrel?