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Elementary school Hebei education edition sixth grade first volume math problems [fill in the blanks, multiple-choice questions, application problems]
Fractional multiplication improvement exercise 1, 5 meters long wire, used 53 meters, and there are () meters left. 2, 5.5 meters of iron wire, use the full length of 53, leave the full length) () (,leave () meters. 3, a rope is 4 meters long, it needs 4 1, and () (,there are () meters left. 4, a rope is 4 meters long, it needs 4 1 meter, and there are () meters left. 5. Cut 4 1 and 4 1 meter from two ropes with the same length, which one is longer? 6. A 54-meter-long bamboo pole with a total length of 4 1 is inserted in the soil. What percentage of the total length is exposed? How long is the exposed part? 7. The greengrocer sent a basket of peppers, and sold 40 Jin in the morning, with 4 yuan per Jin. The income in the afternoon is 4 1 more than that in the morning, _ _ _ _ _? (Fill in the question first, then answer) 8. The ball fell from a height of 25 meters, rebounded after landing, and then fell and rebounded. If the height of each bounce is 52 of the falling height, find the height of the third bounce ball. 9. Class 6 (1) has less than 50 people. In one exam, 7 1 student got excellent, 3 1 student got excellent and 2 1 student passed. So how many students failed? How many students are there in Class Six (1)? 10, there are two teams of students, and there are 30 students in team A. If 10 1 students are transferred from team A to team B, the number of students in team A and team B is equal. How many students are there in Team B? There are two warehouses, 1 1 and A&B. Warehouse A stores 30 tons of grain. If you take out 1 10 from warehouse A and put it into warehouse B, the two warehouses will store the same amount of grain. How many Jin of grain are stored in two warehouses and one * *? 12, the road team plans to build 5 kilometers of roads, and 52 kilometers have been built so far. The whole journey is 52 kilometers. How many kilometers does it take? Fractional division can improve the exercise 1 and fill in the blanks: 85 ÷ _ _ _ _ ○ 85 (options include: 53, 175, 1,1,0,87,5.5). ( )。 (2) when "

1. Point out the two quantities in each group below, who should be regarded as the unit "1". (1) The number of boys accounts for 4/5 of the number of girls. () (2) 6/7 of A is equivalent to B. (3) 5/9 of B is equivalent to A .(4) There are fewer male employees than female employees 1/8. () 2. A number is 56, and its 4/7 is (); Two-thirds and four-fifths of 120 are (). 3.A number is 720, B number is 0/6 of 65438+A number, C number is 4/3 times of B number, and C number is (). The school bought 240 new books, two thirds of which were given to the fifth grade. Here, () is regarded as the unit "1". How many books will you get in the fifth grade? The formula is (). There are 40 students in Class One of Grade Five, and the number of students in Class Two of Grade Five is 4/5 of that of Class One. Here, () is regarded as the unit "1". If you want to know how many people will attend Class Two in five years, the formula is (). 6. Xiaohong has 36 stamps, Xiao Xin's stamps are six fifths of Xiaohong's, and Xiaoming's stamps are three fourths of Xiao Xin's. If you want to know how many new stamps there are, the unit is "1" and the formula is (). If you want to know how many Xiao Ming has, take () as the unit "1" and the formula is (). 7. Buy 30 Jin of rice, eat 4/5 Jin and have () Jin left; I bought 30 Jin of rice, ate 4/5, and ate () Jin. Second, judge. 1.3 tons of steel is equivalent to 3/4 of 1 ton of cotton. () 2. What is the ratio of 12× 2/5 to12? () 3. The product of1.2× 4/15 is less than the multiplicand. () 4. Only two scores are greater than 4/9 and less than 7/9. () 2/ 15 of 5.3/4 tons is110 tons. () 6.5× 2/9 refers to the addition of five 2/9. ( )

Three. choose 1. How much does it cost to buy 3/5 kilograms of scented tea per kilogram of 50 yuan? () 150× 3/5250+3/52. The school bought 200 Jin of radish. How many kilograms are left after eating one kilogram? () ① 200× 3/5② 200-3/53. Two students kicked shuttlecock, Xiaoming kicked 130 and Xiao Qiang kicked Xiaoming's12. How many times did they kick * *? () ①130×1/2+130 ②130×1/2③130+/24. There are 240 in the orchard. () ① 240× 3/4+240× 4/5 ② 240× 3/4× 4/5 ③ 240+3/4× 4/5 IV. Application problems. 1. A barrel of oil is 10 kg, and 4/5 of this barrel of oil is used. How many kilograms did you use? 2. There are 840 boys and 4/7 girls in Yumin Primary School. How many girls are there in this school? 3. A pile of coal is 12 tons, and14 is shipped out. How many tons of coal were shipped? 4. There are 65,438+080 three-bedroom teacher apartments, 2/3 two-bedroom teacher apartments and 65,438+0/4 one-bedroom teacher apartments. How many one-bedroom apartments are there for teachers? There are 750 boys and 4/5 girls in Sunshine Primary School. How many girls are there in this school? How many students are there? 6. There are 320 hectares of wheat fields in Lizhuang * *, and there are more rice fields than wheat fields 1/4. How many hectares are there more rice fields than wheat fields in this village? How many acres of rice fields are there? 7. Build a road with a length of 1000 meters. Team A has repaired 2/5 of this road, and team B has repaired the rest. How many meters will team B need to repair?

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