Application problems (1)
Training volume a
Class name score
(1) In Xiaoyang's final exam, the average score of Chinese and mathematics was 96, and mathematics was 8 points more than Chinese. Chinese is () points, mathematics is () points.
(2) Warehouse A and Warehouse B have 42 tons of rice. If 3 tons of rice is transferred from warehouse A to warehouse B, the amount of rice in the two warehouses is exactly the same. It turns out that warehouse A stores () tons of rice and warehouse B stores () tons of rice.
(3) The combined age of father and grandfather 1994 is 127 years old. Grandpa was 37 years older than his father ten years ago and was born in ().
(4) There is a parking lot with 24 cars, including 4 wheels for cars and 3 wheels for motorcycles. These cars have 86 wheels. There are () motorcycles among them.
(5) The number of students participating in the Children's Palace Science and Technology Group is 35 less than last year, which is 4 1 person less than last year. There are () students participating in the science and technology group this year.
(6) The father is 47 years old and the son 19 years old. Years ago, my father was five times as old as my son.
(7) A tree planting group plants trees. If each person plants 5 trees, there are 14 trees left; If there are seven trees for each race, there will be four fewer trees. There are () people in this tree planting group, and one of them can plant () trees.
2. The sum of A, B and C is 1 160, A is half of B and B is twice of C ... What are these three numbers?
3. A guest house has a meeting, and there are 3 people in each room, so 36 people have no beds; If there are 4 people in each room, there are 13 people who have no beds. What will happen if there are five people living in each room?
4. Xiaoming reads a book, with 83 pages on the first day, 74 pages on the second day, 7 1 page on the third day and 64 pages on the fourth day. The number of pages read on the fifth day is 3.2 pages more than the average number of pages read in these five days. How many pages did Xiao Ming read on the fifth day?
5. Measure the height of the bridge on the bridge. When the rope is folded in half and hung to the water surface, there are 8 meters left in the rope; After the rope was folded three times, it was still 2 meters above the water. Find the height of bridge and the length of rope.
6.44 Students rowed and took a boat 1 * * *, including 6 people in the big boat and 4 people in the small boat. How many big boats and small boats are there?
7. In the fourth grade of the experimental primary school, a math contest was held, and one * * * gave 10 questions. If you answered one question correctly, you will get 10 points, and if you answered one question incorrectly, you will be deducted 5 points. Zhang Hua finished all the 10 questions and got 70 points. He answered several questions correctly.
8. Buy 4 pencils and 5 erasers and send them to 6 yuan; Buy the same 6 pencils and 2 erasers, 4.60 yuan. How much is each pencil and eraser?
9. Build a road. Half of it was built on the first day, with a total length of more than 6 meters. The next day, the remaining half was built less than 20 meters. On the third day, 30 meters were built. Finally, 14 meter is left. How long is this road?
10. Zhang Qiang bought a coat, a hat and a pair of shoes with 270 yuan. Coat is more expensive than shoes 140 yuan, coat and shoes are more expensive than hats 2 10 yuan. How much did Zhang Qiang spend on this pair of shoes?
1 1. The Hong Guang factory plans to produce 40 refrigerators every day. After technological innovation, five more refrigerators will be produced every day than originally planned, thus completing this batch of production tasks two days ahead of schedule and producing 35 more refrigerators than originally planned. How many refrigerators have actually been produced?
12. Professor 16, some with 1 graduate students, some with 2 graduate students, and some with 3 graduate students. They * * * brought 27 graduate students, of whom 1 graduate students have as many professors as there are two and three graduate students. How many professors are there?
Training volume b
Class name score
1. Multiple choice questions (put the letters and numbers indicating the correct formula in brackets)
(1) Party A and Party B shall each deposit in 640 yuan, Party B and Party C in 600 yuan and Party A and Party C in 440 yuan. A how much is the deposit? The correct formula is ()
A.(640+600+440)÷2-440 b .(640+600+440)÷2-600
C.(640+600+440)÷2-640d .(640+600+440)÷2
(2) For the divisor, the quotient is 18, the remainder is 4, and the sum of the dividend and the divisor is 270. What is the dividend? The correct formula is ()
a . 270( 1+ 18)× 18-4
C.(270-4)÷( 1+ 18)× 18-4d .(270-4)÷( 1+ 18)× 18+4
(3) There are two baskets of apples, A and B, each weighing 52kg on average. Now, if you take 5 kg from the first basket and put it in the second basket, the apples in the two baskets weigh the same. How much does a basket of apples weigh? The correct formula is ()
A.(52×2+5×2)2 b .(52×2+5)2
C.(52+5×2)÷2d(52×2-5×2)÷2
(4) A, B and C * * * did 183 math problems, among which B did four fewer problems than C, twice as many as C, and A did seven more problems than C, three times as many as C. How many problems did C do? The correct formula is ()
a . 183( 1+2+3)-4+7
C.( 183-4+7)÷( 1+2+3)d .( 183+4-7)÷( 1+2+3)
(5) There are two barrels of oil, A and B. If 15 liter of oil is injected into A, the two barrels of oil are the same; If 145 liters of oil is injected into barrel B, the oil in barrel B is three times as much as that in barrel A. How many liters of oil is there in barrel B? The correct formula is ()
A.( 145+ 15)÷(3+ 1)+ 15 b .( 145+ 15)÷(3— 1)+ 15
C.( 145— 15)÷(3+ 1)+ 15
My brother and younger brother each buy some exercise books. If my brother gives my brother three, they both have the same number of exercise books. If the younger brother gives his brother 1 copy, the number of exercise books of his brother is three times that of his younger brother. How many exercise books did my brother and brother buy?
Malaysia is four times as old as pony. In another 20 years, by 14, the young population in Malaysia will be twice that of the pony. How old are Malaysia and Pony?
4. 1000 people signed up for the entrance exam, and finally 150 people were admitted. The average score of applicants is 38 points lower than that of non-applicants, and the average score of all candidates is 55 points, and the admission score is 6.3 points lower than that of applicants. What is the admission score?
5. The average weight of Party A, Party B and Party C is 63kg. The average weight of Party A and Party B is 3kg more than that of Party C, and Party A is 2kg more than that of Party C. Find the weight of Party B. ..
6. One class goes boating. They calculated that if one more boat was added, each boat could only accommodate six people; If one ship is reduced, each ship must take 9 people. How many students go boating in this class?
7. Carton 14, of which 1 ball, 2 balls, 3 balls. There are 25 balls. The number of boxes containing 1 ball is equal to the sum of the number of boxes containing 2 balls and 3 balls. 1, 2, 3 How many boxes of balls are there?
8. There are 50 wine bottles of known size * * *, each big bottle 1kg, each small bottle is 0.75kg, and the big bottle contains more wine 15kg than the small bottle. How many large bottles and small bottles are there respectively?
9. There are five exams in math class this semester. Xiao Ming scored 10 points more than the first time, 5 points less than the second time and 4 points more than the third time. The average score of the first four times is 85 points. If the fifth time is less than the fourth time 13, what is the average score of Xiaoming's five exams throughout the semester?
10.2kg of A-class tea is equivalent to 5kg of B-class tea. If you buy 6 kg of Grade A tea and 7 kg of Grade B tea, you have to pay 60 1.92 yuan. What's the price of A-class tea and B-class tea per kilogram?
1 1. There are three bookshelves, A, B and C, and * * has 450 books. If you take out 60 books from A and put them in B, then take out 120 books from B and put them in C, and finally take out 50 books from C and put them in A, the number of books in the three shelves is the same. How many books are there in each of the three shelves?
12. 240 yuan, including 2 yuan, 5 yuan and 10 RMB, has 50 RMB * *, of which 2 yuan and 5 yuan have as many RMB, so how many RMB do 2 yuan, 5 yuan and 10 RMB have respectively?
Training volume c
Class name score score
1. The number of apples is three times that of pears. If you eat two apples a day, 1 pear, a few days later, the pears are just finished, leaving seven apples. How many apples are there?
2. The primary school students in a certain district have held two math competitions, and the number of people who passed for the first time is three times more than those who failed. The number of people who passed for the second time has increased by five, which is exactly six times that of those who failed. Q * * * How many students took part in the math contest?
The school bought a batch of English typewriters and distributed them to all classes. If two classes are assigned 4 sets per class, and other classes are assigned 2 sets per class, then 4 sets are more; If one class is divided into 6 groups and the rest classes are divided into 4 groups, it is less than 12 groups. How many English typewriters did this school buy?
Spiders have eight feet, dragonflies have six feet and two pairs of wings, and cicadas have six feet and a pair of wings. At present, there are three kinds of insects *** 18, * * * 18 have feet and 20 pairs of wings. Find out the number of each kind of bug.
The elephant said, "Mom, when I reach your present age, you will be 3 1 year old." The elephant said, "When I was your age, you were only 1 year old." How old are elephants and elephants now? 6. There are three numbers, choose two numbers at a time, calculate the average of these two numbers, and add the remaining third numbers. This is done three times, and you get 35, 27 and 25 respectively. Find out what these three numbers are.
7. There are three kinds of exercise books: A, B and C. Xiao Fang buys two copies each and pays 4.8 yuan. Xiaohong bought two A's, three B's and four C's and gave them to 7.6 yuan. Xiaoqing bought 2 copies of A, 4 copies of B and 5 copies of C and gave them to 9.4 yuan. How much are the exercise books A, B and C each?
8. There are three piles of marbles and 46 marbles. Take out the marbles with the same number as the second pile from the first pile for the first time and merge them into the second pile; The second time, the marbles with the same number as the third pile are taken out from the second pile and merged into the third pile; For the third time, the marbles with the same number as those in the first pile were taken out from the third pile and merged into the first pile. After such changes, the number of three piles of marbles is exactly the same. How many marbles are there in each pile?
9. There are four people in the family. My father is three years older than my mother, and my sister is two years older than my brother. Four years ago, the total age of their family was 58, and now it is 73. Q: How old is everyone now?
10. Uncle Li has to go to work at 3 pm. He estimated that it was almost time to go to work, and he would go home to look at the clock, but the clock had already stopped 12+ 10. He left home in a hurry after winding up, but forgot to set the hands. When he arrived at the factory and looked at the clock, there were still 10 minutes before going to work. After work at 1 1 in the evening, Uncle Li left the factory and went home immediately. It's only nine o'clock sharp. Assuming that Uncle Li spends the same time on his way to and from work, how long has his clock stopped? (The time spent winding is negligible)
1 1. There were 52 students in a math exam and they got it right 18 1. It is known that everyone answered at least 1, 7 people answered 1, 6 people answered all 5 correctly, and 2 and 3 answered correctly.
12.a, b, c, d and e are five different integers arranged from small to large, and ten sums can be obtained by adding every two integers. Eight of the ten sums are different: 17, 22, 25, 28, 3 1, 33, 36 and. Find the average of these five integers.
13. The store buys three different kinds of sweets, A, B and C, and pays the same amount of money. It is known that the purchase price per kilogram of candy A, B and C is 8.8 yuan, 12 yuan and 13.2 yuan respectively. If these three kinds of candy are mixed together to form assorted candy, what is the cost per kilogram of this assorted candy?
14. Dad divided a big carp he caught into three sections: front, middle and back. The weight of the middle section is just less than the sum of the weight of the front and rear sections 1kg, and the weight of the rear section is equal to half of the weight of the middle section and the sum of the weight of the front section. I only know that the front section weighs 2 kilograms. Can you work out the weight of this carp?
15. In an exam with a perfect score of 100, the scores of A, B, C, D and E are all integers greater than 9 1. If the average score of A, B and C is 95, then the average score of B, C and D is 94; A is the first place; E is the third place with 96 points; So what's the score of D?
volume one
1. Fill in the blanks:
(1) Chinese 92 points, mathematics 100 points; (2) Warehouse A is 24 tons, and Warehouse B 18 tons; (3)
19 12 years. (4) 10 vehicles (5)79 people (6) 12 years (7)9 people and 59 trees.
2.1160÷ (1+2+1) = 290 (a and C) 290×2=580 (B)
3. Scheme 1: (36- 13)+(4-3) = 23 (pieces) 23-(4× 23+ 13).
5 = 2 (2 rooms are empty) Solution 2: Solution: There are X rooms, 3x+
36 = 4x+13xx = 2323-(4x23+13) ÷ 5 = 2 (pieces)
4. Solution1:(83+74+71+64) ÷ 4+3.2 ÷ 4+3.2 = 77 (page)
Scheme 2: Scheme: Let the fifth day read X page 83+74+7 1+64+X = 5 (X-3.2).
x=77
5. Scheme 1: (8×2-2×3)÷(3-2)= 10 (m) (bridge height) (10+8).
×2=36 (m) (rope length) Scheme 2: Scheme: Set the bridge height x m2 (x+8) = 3.
(x+2)x = 10( 10+8)×2 = 36(m)
6.(44-4× 10) ÷ (6-4) = 2 (large ship) 10-2=8 (small boat)
7. Scheme 1:10-(10×10-70) ÷ (10+5) = 8 (road)
Solution 2: Solution: Let the answer X be10x-5 (10x-x) = 70x = 8.
8.(6× 3-4.60× 2) ÷ (5× 3-2× 2) = 0.80 Yuan (rubber) (6-0.8)
× 5)+4 = 0.50 Yuan (pencil)
9.[( 14+30-20)×2+6]×2 = 108(m)
10. [(270+210) ÷ 2-140] ÷ 2 = 50 (yuan)
1 1. Scheme 1: [(40+5 )× 2+35] ÷ 5 = 25 (days) (40+5)×(25-2).
= 1035 (Taiwan Province)
Scheme 2: Scheme: It is supposed to be completed within X days, 40x+35=(40+5)(x-2)x=25 40.
× 25+35 = 1035 (Taiwan Province)
12. Solution 1: 16÷2=8 (person) 27-8= 19 (piece) (3× 8-19) ÷ (3-)
Scheme 2: Scheme: Suppose there are X professors with two graduate students, then there are three graduate students.
Granted to (16÷2-x) people.
16÷2+2x+3( 16÷2-x)= 27 8+2x+3(8-x)= 27 x = 5
Volume b
1. Multiple choice question:
( 1)B(2)D(3)A(4)D(5)B
2. (3× 2+/kloc-0 /× 2) ÷ (3-1)+1= 5 (Ben) (Di) 5+3× 2 =1(Ben).
(brother)
3. Solution: Suppose Pony is X years old, then Malaysia is 4x years old, 4x+20=2(x+20)- 14 x=3.
(pony) 4x= 12 (big horse)
4. 1000- 150 = 850 (person) (55×1000+38× 850) ÷1000-6.3 = 81(.
5.A+B is 3×2=6 (kg) more than 2 C, and B is 6-2=4 (kg) (63
×3-4-2)÷3+4=65 (kg)
6. Solution 1: (6+9) ÷ 4 (9-6) = 5 (bars) 6× (5+ 1) = 36.
(person)
Solution 2: Solution: There is a ship x, 6 (x+1) = 9 (x-1) x = 56 × (5+1) = 36 (man).
7. Solution: 1 ball 14÷2=7 (box) If two balls are loaded, three balls (7-x) are loaded.
Box 1x7+2x+3 (7-x) = 25x = 3 (2 pieces) 7-x=4(3 pieces)
8. Solution: If there are X large bottles, then (50-x) small bottles x=0.75(50-x)= 15 x=30 (large
Bottle) 50 x = 20 (vial)
9. The second time is more than the fourth time: 5-4= 1 (minutes). The first time is less than the fourth time, 10- 1 = 9 (minutes).
(85× 4+4-1+9) ÷ 4-13 = 75 (point) (85×4+75)÷5=83 (point).
10.601.92 ÷ [5× (6 ÷ 2)+7] = 27.36 yuan (b) 27.36×5÷2=68.4.
(yuan) (a)
11.450 ÷ 3 =150 (Ben) 150+60-50 = 160 (Ben) (a)150+
150+50- 120=80 (Ben)
12. Scheme 1: (50×10-240) ÷ (10× 2-2-5) = 20 (Zhang) (2 yuan,
5 yuan) 50-20×2= 10 (Zhang) (10 yuan)
Solution 2: Let 2 yuan and 5 yuan each have X, then there is (50-2x) 2x+5x+ 10 yuan.
(50-2x)=240 x=20(2 yuan, 5 yuan) 50-2x= 10( 10 yuan).
Volume c
1. solution: suppose it takes x days 3x = 2x+7x = 72× 7+7 = 2 1 (pieces).
2. Solution: Assuming that person X failed for the first time, then the person who passed (3x+4) 3x+4+5 = 6 (x-5).
X =1313× 3+4+13 = 56 (person)
3.(4-2) × 2+4 = 8 (sets) (assuming that each class is divided into 2 sets and there are 8 sets) 12-
(6-4)= 10 (unit) (assuming that each class is divided into 4 units, there will be less 10 units) (8+ 10).
(4-2)=9 (class) 4×2+2×(9-2)+4=26 (station)
4. Solution: If there are X spiders, then there are only * * (18-x) dragonflies and cicadas, 8x+6 (18-x) =118.
X=5 (spider) 18-5= 13 (only) (dragonfly+cicada) If there are only y dragonflies, then cicada (13-y).
Only 2Y+( 13-Y) = 20Y = 7 (evasion) 13-7=6 (only) (cicada)
5. (31-1) ÷ 3 =10 (years old)1+10 =1(years old)/.
(big)
6.(35+27+25)×2÷4=43.5(35×2-43.5)÷2= 13.25(27
×2-43.5)÷2=5.25(25×2-43.5)÷2=3.25
7.9.4-7.6 = 1.8 (yuan) (1 B, 1 C)
7.6-4.8=2.8 yuan (1 B, 2 C)
2.8- 1.8= 1 (yuan) (1 C)
1.8 yuan-1=0.8 (yuan) (1 B)
4.8÷2- 1-0.8=0.6 yuan (1 A)
8. List the calculations from back to front:
9. Four years for four people should be increased: 4×4= 16 (years old), but 73-58= 15 (years old), indicating younger brother.
My brother is 3 years old.
3+2=5 (years old) (elder sister) (73-3-5+3)÷2=34 (years old) (father) 34-3=3 1
(years old) (female)
10. (160+120) ÷ 2 =140 (minutes) 160- 140=20 (minutes) stopped two times.
20 points
1 1.52-7-6 = 39 (person)181× 7-5× 6 =144 (pottery) (2+3)
(Tao) (144-2.5× 39) ÷ (4-2.5) = 31(person)
12.A+B= 17，A+C=22，C+E=36，D+E=39 A+E+2C=22+36=58
A+E=58-2C A+E is even A+E = 28 58-2c = 28c =15 (17+39+
15)÷5= 14.2
13. Tip: Set the same fee first, which should be the common multiple of 88, 120, 132.
Is 132 yuan.
132× 3 ÷ ( 132 ÷ 8.8+ 132 ÷ 12+ 132 ÷ 13.2) = 165448.
14. [(1+/kloc-0 /× 2 )× 2-1] ÷ 2×1-1) = 5 (kg)
2+5- 1=6 (kg)
2+6+5= 13 (kg)
15. If B is the second (or tied for the first), because E is the third, it gets 96 points.
So the scores of A and B are not lower than 97. Because the average score of a, b and c is 95.
Points, then C gets 9 1 point at most, which contradicts the conditions of the topic, so B is not the second.
Similarly, c is not the second place. This means that the second place can only be D.
The average score of B, C and D is less than that of A, B and C 1 minute, so A is more than D..
3 points, the highest 100 points, such as A 100 points, D97 points, (such as A99 points, D96.
Points, and contradicts the main conditions)
Comprehensive training questions for sixth grade Olympiad graduation in primary school
(Examination time: 80 points, total score of test paper: 100 points)
I. Calculation (26 points)
1, write the number directly (4 points)
1.9×0.2 = 2.6×0.25×4 = 6a+3a-2a = 16×3/8 =
5 2-2 2= 0.72÷0.06= 1/3+ 1/5= 1÷ 1%=
2. Find the value of x (6 points)
3.5x+ 1.5x = 25 0.75:x = 3: 12 2.6×30- 1.3x = 0
3.Off-type calculation (items 12, 1 and 2 are calculated by a simple method)
( 1) 14.5×64+64×4.5 (2) 2.5×32× 12.5
(3) ( )÷ + (4) 168. 1÷(4.3×2-0.4)
4, column calculation (4 points)
(1) Four times a number minus half of 3.4, the difference is 1.3, what is this number?
(2) What is the quotient of the difference between sums divided by their sum?
Two. Fill in the blanks (20 points, 65438+ 0 points for each blank)
1. The Pacific Ocean is the most abundant ocean in the world, with an area of179.609 million square kilometers. This figure is () square kilometers. Rewrite it. The number in ten thousand is () square kilometers.
2. The denominator is the smallest prime number and the numerator is the smallest odd number. The decimal unit of this fraction is (), and it has () such decimal units. Adding decimal units like () is the smallest composite number.
A circle has a radius of 3 cm, a circumference of () cm and an area of () cm 2.
4.20kg is 20% lighter than () kg, and () is 25% heavier than 4.
8 liters 50 ml = () 4.5 hours = () hours () minutes.
5. A cylindrical bucket with a bottom radius of 2 decimeters and a height of 0.5 meters needs () square decimeters of iron sheet to manufacture. This bucket can hold 10 liter of water.
6. The rectangle is 8 decimeters long, 6 decimeters wide and 5 decimeters high. Its volume is () cubic decimeter, and the volume of a cone with the same height as its bottom is () cubic decimeter.
7、( )÷24= 1 4 =24:( )=( )%
8. The parallelogram has an area of 24 square centimeters, a height of 8 centimeters and a base of () centimeters. The base of a triangle is 3 cm, the height is 8 cm, and the area of this triangle is () cm. From the above description, you find ().
9. If 4x+3=3 1, then 9x-8 = ().
10, a project is completed by Party A alone for 6 hours, by Party B alone for 8 hours, by both parties for 2 hours (), and by Party A alone for the rest ().
Three. Choice (20 points, 2 points for each question)
1.25g of sugar is dissolved in100g of water, and sugar accounts for () of sugar water.
a、20% B、25% C、 12.5%
2. The side length of a cube is decimeter, and its surface area is () square decimeter.
a、a2 B、4a2 C、6a2
3, said the annual average temperature change, with () statistical chart is more appropriate.
A, line chart b, bar chart c, fan chart
4. We know that the same addend can be written as multiplication, such as: 5+5+5+5 = 5× 6, which can bring us convenience in solving problems. In fact, the multiplication of the same factor can also be written as a power, for example, 5× 5× 5 = 54, so just calculate 35= () according to the above tips.
a、3 B、6 C、243 D、27
5. Perimeter of Part A and Part B in the right picture ()
A is equal to the weekly growth of B and A, and the weekly growth of C and B.
6. () is both a composite number and a prime number, and their least common multiple is 120.
A, 12 and 10 B, 5 and 24 C, 4 and 30 D, 8 and 15.
7, the volume ratio of cylinder and cone is 3: 1, if their radii are equal, then their ().
A, the height is equal. B, the height ratio is 1: 3 c and the height ratio is 3: 1.
There were () days in the first quarter of 2006.
a、89 B、9 1 C、90 D、92
9. On the clock face, at 9 o'clock sharp, the minimum included angle between the hour hand and the minute hand is () degrees.
a、30 B、60 C、90 D、 120
10, after the number of boys in school is equal to the number of girls reduced by 20%, at school ()
A, boys are 80% of girls, and girls are 25% less than boys.
C, boys are more than girls 125%, and girls are 80% of boys.
Four, operation and application (30 points)
1. Licun plans to build a cement road from the village to the highway (see photo). Please help Li Cun find out the actual distance of road construction according to the following requirements.
Requirements: ① Drawing: Draw the shortest route of road construction (drawn in the drawing); ② Measurement: Measure the distance from Licun to the highway on the map; ③ Calculation: What is the actual distance from Licun to the highway?
Li Cun? public
Measure the distance on the map: ()
According to the scale of 1:40000, the actual distance is:
2. Class 2, Grade 6, Chunlei Primary School donated 598 yuan to help the tsunami-stricken countries in the Indian Ocean. There are 50 students in class 6 (1), with an average of 48 students in class 6 (2). What is the average donation?
There are 720 peach trees and apricot trees in the orchard, among which peach trees are 20% less than apricot trees. How many peach and apricot trees are there in the orchard? (Equation solving)
4. Print a manuscript. Xiao Wang will play for 40 minutes and Xiao Li will play for half an hour. If two people type this manuscript together, how long will it take to finish it?
5. Cast a cylindrical steel with a bottom area of 1256 cm2 and a height of 60 cm into a cone with a bottom area of 2826 cm2. What is the height of this cone?
Five, improve intelligence (4 points)
A factory applied to the bank for two kinds of loans, A and B, amounting to 400,000 yuan, with an annual interest of 50,000 yuan. The annual interest rate of loan A is 12%, and that of loan B is 14%. What is the amount of two kinds of loans applied for by this factory?
Reference answer:
I.0.38 2.67a630128/15100
5 3 60
12 16 1000 23/20 20.5
0.75 7/ 13
Two. 179609000 179609,000 1/2 1 7 18.84 28.26 25 5 8.05 430
80.76 62.8 240 80 6 96 25% 3 12 The area of a triangle is half that of a parallelogram with equal base and height.
Third, A C A C A D A C D
Four. Omit 6 400 320 6/7 80 480
Verb (abbreviation of verb) A 30 B 10