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?

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?

12. The length of a cuboid is 144 cm, and the ratio of length to width to height is 4:3:2. What is the volume of a cuboid?

13, Xiaohong has 60 stamps, Xiaoming has 40 stamps, and how many stamps does Xiaohong give to Zhang Xiaoming? The stamp ratio between them is 1: 4?

14, Wang Hua walked from home to school at a speed of 4 kilometers per hour, and it took 1/6 hours to complete two-thirds of the whole journey. How far is Wang Hua's home from school?

15, 3 looms weave 72 meters in 3/2 hours. How many meters does each loom weave on average per hour?

16. How many meters can a car travel with 9/2 kilometers and 9/25 liters of gasoline?

17, there is a triangular iron sheet with an area of 3/5 square meters. Its bottom is 3/2 meters. How many meters is its height?

18, the fruit shop delivered 50 baskets of pears and apples, of which the number of pears was 2/3 of that of apples. How many baskets of pears and apples have been sent?

19. A right triangle is surrounded by 24 cm iron wire. The ratio of the lengths of the three sides of this triangle is 3: 4: 5. What is the area of this right triangle? What is the height of the hypotenuse in centimeters?

20. The circumference of a rectangle is 49 meters, and the ratio of length to width is 4: 3. What is the area of this rectangle?

Application problem eight

1. Two people, A and B, walked in opposite directions from A and B at the same time. A walks 100 meters per minute, and the speed ratio with B is 5: 4. Five minutes later, they just walked three-fifths of the distance. How many meters is there between A and B?

2. A primary school expanded its school building and originally planned to invest 280,000 yuan. The actual investment is less than the original plan 1/7. What is the actual investment?

3. The toy factory planned to produce 2000 game machines, which actually exceeded110. How much was actually produced?

A wire is 40 meters long. First 3/8 meters, then 3/8 meters. How many meters is left in this wire?

5. The price of a book first increases 1/6, and then decreases 1/6. Is this book high in original price or current price?

6. A book is *** 100 pages. Xiao Ming reads 1/5 on the first day, 1/4 on the second day and the rest on the third day. How many pages did he read on the third day?

7. Compared with September, bright primary school1October saved 72 tons of water 1/9 and 10. How many tons of water was saved in September?

8. Build a highway. After 3/7 of the total length, there is still 1.7 meters from the midpoint of this highway. How long is this road?

9. There are 60 computers in bright primary school, more than Ai Wu primary schools 1/5. How many computers are there in Ai Wu primary school?

10. There are 60 computers in bright primary school, which is less than that in Ai Wu primary schools 1/5. How many computers are there in Ai Wu primary school?

1 1, eat a bag of rice for two weeks, the first week 1/3, and the second week is 5 kg more than the first week. How much does this bag of rice weigh?

12, Xiao Ming reads a book, and the number of pages he has read is 3/2 of the number of pages he has never read. He reads 30 pages, and the number of pages he has read is 7/3 of the number of pages he has never read. How many pages are there in this book?

13. The number of white rabbits raised in the feeding group is 3/5 of that of small gray rabbits, and there are 24 more small gray rabbits. How many rabbits are there?

14. A fishing boat catches1200kg in the morning, less than in the afternoon 1/7. How many kilograms can it catch a day?

15, a barrel of oil, poured out for the first time 15, poured out for the second time15 kg, and poured out for the third time13, leaving 25/3 kg. How many kilograms is this barrel of oil?

16, one road has been repaired with the total length of13. If you build 60 meters, you will build half of its total length. How long is this road?

17. There are 480 cows in the pasture, more than last year 1/5. How much more than last year?

18, a piece of material, it takes 3 hours for Party A to finish typing alone, and 5 hours for Party B to finish typing alone. How many hours do Party A and Party B play together to finish half of this material?

19, a multifunctional cleaning teacher, students in group a can finish cleaning in13 hours, and students in group b can finish cleaning in14 hours. If Party A and Party B work together, how many hours can they clean the whole classroom?

20. A project was completed by Party A in 0/8 days and Party B in 0/5 days. Both parties made joint efforts, but Party A took a leave of absence for 4 days. So how many days did Party A actually complete the task?