2. A volleyball is priced in 60 yuan, and the price of basketball is 5/6 of that of volleyball. What is the price of basketball?

Xiaohong weighs 42kg, Xiaoyun weighs 40kg, Xiao Xin is as heavy as Xiaohong.

65438+ 0/2 of Xiaoyun's total weight. How much does Xiao Xin weigh

4. There is a stack of paper, *** 120. I used 3/5 for the first time and 1/6 for the second time. How many pieces of paper have I used twice?

5.200 1 year, there are about 2,000 wild red-crowned cranes in the world, of which China accounts for 1/4. How many in other countries?

6. There is 18 yuan in Liang Xiao's savings box, and the money saved by Xiaohua is 5/6 of that of Liang Xiao and 2/3 of that of Xiao Xin. What's the deposit in Xiao Xin?

7. Xiaohong has 36 stamps, Xiao Xin's stamps are 5/6 of Xiaohong's, and Xiaoming's stamps are 4/3 of Xiao Xin's. How many stamps does Xiaoming have?

8. People's heart rate changes with age. Teenagers jump about 75 times a minute, and babies jump 4/5 times more than teenagers. How many times does the baby's heart beat more than that of teenagers?

9. A farm raises 1200 ducks, raising 3/5 more chickens than ducks, and how many more chickens than ducks?

10, the number of people's heartbeats changes with age. Teenagers jump about 75 times a minute, and babies jump 4/5 times more than teenagers. How many times does the baby's heart beat every minute?

1 1, a farm raises 1200 ducks. Raising chickens is 3/5 more than raising ducks. How many chickens are there?

12. There are 20 footballs in the school. Basketball is more than football 1/4. How many?

13. There are 20 footballs in the school. Basketball is less than football 1/5. How much less is basketball than football?

14. the original price of a kind of clothing 105 yuan, now the price is reduced by 2/7. How much is the current price less than the original price?

15. There are 20 footballs in the school, and basketball is less than football 1/5. How many?

16, the original price of a garment 105 yuan, now the price is reduced by 2/7. What's the current price?

There are 17 pear trees and 20 apple trees in the school orchard. How many pear trees are there than apple trees?

There are 18 pear trees and 20 apple trees in the school orchard. How many times are there more apple trees than pear trees?

19. There are 15 pear trees and 20 apple trees in the school orchard. How many apples are there than pears?

20. There are 15 pear trees and 20 apple trees in the school orchard. How many pear trees are fewer than apple trees?

2 1, a child contains 28 kilograms of water, accounting for 4/5 of the body weight. How many kilograms does the child weigh?

22. The price of a pair of trousers is 75 yuan, which is 2/3 of that of a coat. How much is a coat?

23. The fruit shop sent a batch of fruits. The first batch of 50 kilograms and the second batch of 70 kilograms are exactly 1/4 of this batch of fruits. How many kilograms are there in this batch of fruit?

24.A car from A to B traveled 1/4 in the first hour, 5/ 18 in the second hour and1/4 km in two hours. How many kilometers is the highway between these two places?

25, a bucket of water, using 3/4 of it, is exactly 15 kg. How much does this bucket of water weigh?

26. Xiaohong bought a bag of rice, ate 5/8, and left 15 Jin. How many kilograms of rice did you buy?

27. The model airplane team in bright primary school is 4/5 of the biological team, and the number of the biological team is 0/3 of the 65438+ art team. There are 8 people in the model airplane group and how many in the art group?

28. There are 5/6 students in the sixth grade of Qianwan Primary School who take part in winter exercise, including 45 girls, accounting for 3/7 of the total number of students who take part in exercise. How many students are there in the sixth grade?

The shop brought some fruits and 20 baskets of apples. The number of baskets of pears is 3/4 of that of apples.

At the same time, it is 3/5 of that of oranges. How many baskets of oranges did you send?

30. An engineering team built an expressway. In the first week, this road 1/4 was completed. In the second week, this road was completed in 2/7, and the second week was 2 kilometers more than the first week. How many kilometers is this road?

3 1. There are 20 footballs in the school, more than basketball 1/4. How many basketballs are there?

32. When water freezes, the volume increases110. There is a piece of ice with a volume of 2 cubic decimeters. What is the volume after melting?

33. An engineering team built an expressway. The first day is 38 meters, and the second day is 42 meters. What was less repaired on the first day than on the second day was 1/28 of the total length of this highway. How many kilometers is this highway?

34. There are 20 footballs in the school, less than basketball 1/5. How many basketballs are there?

35. The gas consumption of the school canteen in September was 640 cubic decimeters, and the planned gas consumption in 10 was 9/ 10, while the actual gas consumption in 10/2 was less than the original plan. /kloc-How many cubic decimeters of natural gas did you save in October compared with the original plan?

35. The shoe factory produces leather shoes. The even number generated in 10 is 5/4 of the even number generated in September. /kloc-2,000 pairs were produced in October and how many pairs were produced in September?

36. There is a bag of rice. I ate 40% in the first week, and in the second week 12 kg, there were 6 kg left. How many kilograms is this bag of rice?

37. An engineering team built an expressway. In the first week, the road was completed by 25%, in the second week, the road was completed by 2/7, and in the second week, it was 2 kilometers more than in the first week. How many kilometers is this road?

38. An engineering team built an expressway. The first day is 38 meters, and the second day is 42 meters. What was less repaired on the first day than on the second day was 1/28 of the total length of this highway. How many kilometers is this highway?

39. Master Zhang processed a batch of parts, and the number completed on the first day accounted for 1/3 of the total number of parts. If 15 pieces are processed, half of this batch of parts can be completed. How many parts are there in this batch?

40. Xiaohong reads a story book. I read 45 pages on the first day and 1/4 of the whole book on the second day. The number of pages I read the next day was only 20% more than the first day. How many pages are there in this book?

4 1, the length of a steel pipe12m, cut off 8m. What percentage of the total length was cut off? What percentage of the total length is left?

42. The length of a steel pipe is12m. 1/3 meters How many meters are left after cutting off?

43. The length of a steel pipe is12m. 1/3 How many meters are left after cutting?

44, a steel pipe, cut off the total length 1/3, leaving 3 meters, what is the total length of this steel pipe?

46. The road between Party A and Party B is 216km long. A car has traveled 3/8 of the way from A to B. How many kilometers is it from B to B?

47. A car travels from place A to place B, the whole journey is 3/8, which is exactly 8 1 km. How many kilometers is the highway between these two places?

48. Car A has traveled 3/8 of the way from A to B, and there is still 135km from B ... How many kilometers is the highway between these two places?

49. The first hour 1/4 from A to B, and the second one.

I walked 5/ 18 in one hour and 1 14 km in two hours. How many kilometers is the highway between these two places?

50. According to the formula, the supplementary condition is that warehouse A has 60 tons of grain. How many tons of grain is stored in warehouse B?

( 1)60× 1/5 (2)60 ÷ 1/5

(3)60×( 1 — 1/5) (4)60×( 1 + 1/5)

(5)60÷( 1 — 1/5) (6)60÷( 1 + 1/5)

5 1: according to the conditions and formulas, ask questions: a batch of 320 tons, 1/5 of the first shipment and 1/4 of the second shipment.

( 1)320× 1/5 (2)320× 1/5

(3)320×( 1/4 — 1/5) (4)320×( 1/4+ 1/5)

(5)60÷( 1 — 1/5— 1/4) (6)60×[ 1—( 1/4+ 1/5)×2]

52. Use a straight line to connect the following questions with the corresponding formula: Yucai Primary School has 120 boys.

(1) Boys are 3/5 of girls. How many girls are there? 120÷3/5

(2) Girls are 3/5 of boys. How many girls are there? 120×( 1 + 3/5)

(3) There are 3/5 more girls than boys. How many girls are there? 120÷( 1 — 3/5)

(4) Boys are 3/5 less than girls. How many girls are there? 120×3/5

(5) Boys account for 3/5 of the total. How many girls are there? 120÷3/5×( 1 — 3/5)

53. There are 18 white rabbits and black rabbits in the feeding group, of which only the white rabbit is a black rabbit.

1/5. How many white rabbits and black rabbits are there?

54. There are 18 white rabbits and black rabbits in the feeding group, of which only black rabbits are white rabbits.

1/5. How many white rabbits and black rabbits are there?

55. Desk is more expensive than chair 10 yuan. If the unit price of chairs is 3/5 of that of desks, what is the unit price of desks and chairs?

56. In the first half of September, a construction site used 0/8 tons of cement/KLOC, and the cement used in the second half was 8/9 of that in the first half. How many tons of cement will be used in September?

57. A construction site used 34 tons of cement in September, of which 8/9 was used in the second half of the year. How many tons of cement were used in the first half and the second half?

58. The number of boys in Juyu Primary School is 4/3 of that of girls, and there are 539 students in the whole school. How many boys and girls are there?

59. A section of highway is 30 kilometers long. Team a 10 days, team b 15 days. How many days does it take for two teams to repair together?

60. Team A will complete a section of the road in 10 days, and Team B will complete it in 15 days ... How many days will it take for the two teams to repair together?

6 1. It takes 10 hour for Party A to do a job alone, and 15 hour for Party B to do a job alone. After A finishes 1/3, how many hours will the two work together?

62. A job can be completed in 0/0 day by two people, and Party A works alone/0/4 day by kloc. Two people worked together for four days, and B did the rest alone. How many days will it take to complete?

63. The engineering team originally planned to build 24 kilometers of roads a week, but actually built 28 kilometers.

(1) What percentage of the original plan was actually repaired? (2) How much more maintenance was actually completed than originally planned? (3) What percentage is the original plan less than the actual repair?

64. The team of science and technology conducted the experiment of corn seed germination. 500 seeds were tested, 15 seeds did not germinate, and the germination rate was obtained.

65. The oil yield of rapeseed is 42%. How many kilograms of oil can be extracted from 2 100 kilograms of rapeseed?

66. The oil yield of rapeseed is 42%. An oil mill presses 2 100 kg of rapeseed oil. How many Jin of rapeseed is used?

67. There are 60 girls in the fifth grade, and the number of boys is less than that of girls 10%. How many students are there in Grade Five?

68. There is a kind of clothes in the shop, the price is 34 yuan, which is 15% lower than the original price. How much cheaper than the original price?

69. A village built a canal around the mountain. 50% of the total length was repaired in the first phase, 30% in the second phase, and 800 meters remained untreated. How long is the canal around the mountain?

70. Aunt Xiao Zhang's clothing store sold two sets of clothes to customers, and the result was 20%, and the other set lost 20%. Both sets of clothes are sold 120 yuan. Calculate, did Aunt Zhang lose or make a profit in this business?

7 1. The price of a certain brand of liquor is raised 10%, and then lowered 10%. Has its price changed? Why? Briefly explain why.

72. The road between Party A and Party B is 216km long. A car has traveled 3/8 of the way from A to B. How many kilometers is it from B to B?

73. A car travels 3/8 of the way from A to B, which is exactly 8 1 km. How many kilometers is the highway between these two places?

Car A has traveled 3/8 of the way from A to B, and there is still 135km from B. How many kilometers is the highway between these two places?

75. The first hour 1/4 of the journey from A to B, and the second one.

I walked 5/ 18 in one hour and 1 14 km in two hours. How many kilometers is the highway between these two places?

76. There are 20 footballs in the school, more than basketball 1/4. How many basketballs are there?

77. There are 20 footballs in the school, and basketball is less than football 1/4. How many?

There are 20 basketballs in the school. Football is more than basketball 1/4. How many basketballs are there?

There are 20 basketballs in the school. Basketball is less than football 1/4. How many basketballs are there?

80. In the school library, literature and art books account for 1/3, and science and technology books account for 1/5. There are 960 known scientific and technical books and literary and artistic books. How many books are there in this library?

8 1, a wire, the first day with full length 1/6, the second day with full length 1/3, the first day is 30 meters shorter than the second day, how long is this wire?

82. Car A traveled 84 kilometers from place A to place B, and the rest accounted for 3/7 of the total length. How many meters is there between A and B?

83. For a wire, the full-length 1/6 was used on the first day, and the full-length 1/3 was used on the second day, leaving 30 meters. How long is the wire?

84. A car drove 1/8 from A to B, and then it just reached 400 kilometers. How many kilometers is it between A and B?

85. A pile of coal13 was shipped out for the first time, 120 tons for the second time and14 for the third time. How many tons is this pile of coal?

86. Master Xiao Wang has finished processing a batch of parts, and 1/3 has been completed. After making 16, you can complete 2/5 of the total. How many parts are there in this batch?

87. Processing a batch of parts, 4/7 a.m. and 20 p.m., gap 1/7. How many parts are there in this batch?

88. From Dongcheng to Xicheng, it is 3/8 of the whole journey, and it is still 16 km from the midpoint of the whole journey. How many kilometers are the two cities apart?

89. A car traveled 28 kilometers from A to B ... 65438+ 0/3 of the whole journey just reached the midpoint. How many kilometers is it between Party A and Party B?

90. There is a pile of coal in the school. On the first day, 4 tons were used, accounting for118 of the total. The total amount of 1/9 was used the next day. How many tons were used the next day?

9 1. Team A and Team B jointly built an expressway. Team A built 24 kilometers, accounting for 3/8 of the length of the highway. Team B built a road with a length of 5/ 16. How many kilometers did Team B build?

92. When the car drives from A to B, it goes uphill for 48 kilometers, accounting for 1/4 of the whole journey, and then goes downhill for 1/6. How long is the downhill slope?

93.A did 36 math problems in a week, which is equal to 3/4 of what B did, and the number of problems B did is equal to 8/7 of what C did. How many questions did C do?

94. Sports officials bought some balls and 20 footballs. Basketball is 3/4 of football and 3/5 of volleyball. How many volleyball did they buy?

95. Four-ninth of a pile of coal is 60 tons. If 4/5 of this pile of coal is removed, how many tons are left?

96. A steel bar is 9.6m, leaving 2/5 of the total length. How many meters does it take to leave 3/5 of the total length?

97. The school bought less red chalk than white chalk 160 boxes. The red chalk is white chalk 1/7. How many boxes of white chalk are there?

98. There are 260 sixth-grade students in a school, 6/7 of whom are boys. How many boys are there?

99. The minuend is 180 and the minuend is 2/7 of the difference. What is the difference?

100, the rope with three folds is longer than the rope with four folds12m. How long is this rope?

10 1, a car takes 6/7 of the whole journey in 4 hours. How many hours does it take to complete the journey?

102, a barrel of oil, used up 6 kilograms, just 2/5 left, how many kilograms left?

103. Give the children apples. On the first day, I gave 36 apples, just 4/7 of the rest. How many apples are left?

104, a basket of apples is 60kg. After selling 1/4, the basket weighs 45 kg. How much does it weigh?

105, a barrel of oil weighs 20kg. Three-fifths of it was used, and the barrel weighed 5 kilograms. How much does this oil drum weigh?

106. There are many fruit trees on the farm. Apple trees are more than pear trees 1/8, and pear trees are less than 80%. How many pear trees are there?

107. In school, there are more long skipping ropes than short skipping ropes 1/4, and the short skipping ropes are 56 less. How many long jump ropes are there?

108, Xiaoming is bigger than the sea this year16, and the sea is 2 years younger than Xiaoming. How old is Xiaoming this year?

109, there are more boys than girls in grade five14, and girls are less than boys by 8. How many boys are there in grade five?

1 10. There are fewer goats than sheep14, and more sheep than goats 180. How many sheep are there?

1 1 1. Xiaohong has 80 more pictures than Xiaolan. Xiaolan's picture is 2/5 of Xiaohong's. How many little red ones are there?

1 12. The cost of new schools1250,000 yuan, less than planned110. How many million yuan was saved?

1 13, there are 7800 science and technology books and story books in the library, and story books are less than science books 1/5. How many science books are there?

1 14. The school plans to use electricity this year 1500 kWh, which is actually more than planned 1/4. How many kilowatt hours?

1 15. The output of fresh fish this year is 200,000 tons, an increase of 1/5 over last year. How many tons has the output increased?

1 16. Construction of expressway, 480m has been completed, and 20m is less than 3/4 of the total length. How long is this road?

1 17, a pile of coal, burned 8 tons, that is, 16 tons is less than 3/5 of this pile of coal. How many tons is this pile of coal?

1 18. Processing a batch of parts, 456 parts have been completed, 3/5 more than planned. How many parts are there in this batch?

1 19, a batch of wood, the first batch of 1/5 is 3 cubic meters more, and the second batch of 19 cubic meters is still 3/5 short. How many cubic meters is this batch of wood?

120, producing a batch of toys, first 2/5 of the planned output, then 760, and then16 of the planned output was overfulfilled. How many toys do you plan to produce?

12 1. The bicycle factory plans to produce a batch of bicycles. In fact, 5/8 of the plan was completed in the first half of the month, and 9/ 14 was completed in the second half. Therefore, it exceeded the planned output by 450 vehicles. How many cars are planned to be produced?

122. The garment factory plans to produce a batch of children's clothes, and completed 5/9 of the plan in the first half of the year. If these are produced in the second half of the year, it will exceed 600 sets. How many sets of children's clothes do you plan to produce?

123, the paper mill completed 3/4 of the whole year in the first half of last year, and the production of 2000 tons can exceed 500 tons. How many tons of paper did you plan to produce last year?

124, the chemical fertilizer plant completed 3/5 of the plan in the first half of last year. If it produced the same quantity in the second half of last year and the first half of last year, it could overproduce 200,000 tons. How many tons of chemical fertilizer do you plan to produce?

125, build a 360-kilometer road, which is more than that without repair 1/4. How many kilometers have not been repaired?

126, a book ***50 pages, read more than 3/4 of 15 pages, how many pages have you read?

127. A school used 200 kwh of electricity last month, 50 kwh less than this month. What percentage was used?

128, a pile of yellow sand, after transporting 12 tons, the rest is 2 tons more than the original 3/4. How many tons was this batch of yellow sand?

129, processing a batch of parts, 2/5 of which have been processed, and the rest are 700 more than finished. How many parts are there in this batch?

130, Xiaohong has read the story book, and has read 96 pages. At this time, the number of pages read is less than the number of pages not read 1/5. How many pages are there in this book?

13 1. build a highway 1/4, and the rest is 50 kilometers more than what has been built. How many kilometers is this highway?

After 132.80 tons of coal was shipped out, the remaining coal was 5 tons more than the original 1/4. How many tons of coal is this?

133, a pile of coal has burned 80 tons, which is 3/5 less than this pile of coal, that is, 16 tons. How many tons is this pile of coal?

134. It was planned to spend 3.3 million yuan to build a ship, but it was actually 20,000 yuan less than 3/5 of the planned amount. How much did you actually use?

135. The original price of a commodity is 400 yuan. First, the price of 1/4 was increased, and then the price was increased by 1/4. What's the current price?

136, there are 90 people in two sports teams in our school. If we transfer110 from team A to team B, the two teams will have equal numbers. How many players are there in Team A?

137, two bookshelves, the number of books put by A is 3/4 of that of B. If A gives B 15, the books on the two bookshelves are equal. B how many books are there?

138. The two cars leave from two cities, A and B, and meet in four hours. It is known that the speed of passenger cars is 72 kilometers per hour. When they met, the truck traveled all the way 1/3. How many kilometers are there between the cities of A and B?

139, a pile of coal. On the first day, 1/3 was used. On the second day, it was 250kg less than that on the first day, leaving 650kg of coal. How many kilograms is this pile of coal?

140, the master and the apprentice produced a batch of parts, and the master made 19 more than the apprentice, and the apprentice made 3/7 of the total. How many parts are there in this batch?

14 1. On the first day, 2/5 of all fruits were transported, which was less than the next day 16 tons. How many tons are there in this batch of fruit?

142, three teams jointly built a road, team a built 2/5 of the total length, team b built 48 meters less than team a, and team c built 15 kilometers. How long is this road?

143, a barrel of oil was used for the first time14, 30 kilograms more than the first time, and there was15 left in the barrel. How many kilograms is this barrel of oil?

144, Xiaoying reads a book. On the first day, she read 1/3. The second day was less than the first day 13 pages. Half of them didn't look at it at this time. How many pages are there in this book?

145, a batch of coal burned 5/9 tons on the first day, leaving 5/9 on the second day, with 2 tons in two days. How many tons is this pile of coal?

146, reading, reading 4/33 of the whole book on the first day, and reading 7 pages more on the second day than on the first day. At this point, the number of pages I have read is 3/8 of the number of pages I have not read. How many pages are there in this book?

147. There are 200 boxes of apples and 120 boxes of pears in the store. Take out the same amount to sell, and the remaining pears are exactly 1/5 of apples. How many boxes of apples and oranges are sold out?

148. There is a bamboo pole less than 6 meters long. If one end of the bamboo pole starts to measure 3 meters to make a mark A and the other end measures 3 meters to make a mark B, then the distance from AB is the total length of 1/6. How long is this bamboo pole?

149, June 1st squadron has four teams, the first two teams * * have 19 people, the last three or four teams * * have 35 people, and the second team accounts for the whole squadron15. How many people are there in the whole squadron?

150, Party A * * has 128 books, and Party B * * has 160 books. Party A is 2/7 of Party C's. How many books does Party C have?