This year's output is more than last year's 1 1, and this year's output is equivalent to last year's (1 1).
An orchard covers an area of 20 hectares, including 2 kinds and 5 kinds of apple trees and 6.5438+0 kinds of pear trees. How many hectares of apple books and pear trees are planted?
Apple trees =20×(2/5)=8 hectares;
Pear tree =20×( 1/4)=5 hectares;
A shoe store came in with 600 pairs of leather shoes, accounting for 1 of the total sales in the first week and 3/8 of the total sales in the second week. How many pairs have been sold in two weeks? How many pairs are left?
A ***=600×( 1/5+3/8)
= 120+225
=345 pairs;
Remaining =600-345=255 pairs;
Two warehouses, warehouse A and warehouse B, have 30 tons of grain. If 1 0 of1is taken out from warehouse A and put into warehouse B, the inventories of the two warehouses are equal. How many Jin of grain are stored in two warehouses and one * *?
a * * * = 30×( 1+ 1- 1/ 10- 1)÷( 1)
=30× 18/ 10
=54 tons
Simple operation: 12+03 of 65438 times 3+4 of 7 times 13 times 12+03 of 65438.
=( 12/ 13)×(3/7+4/7+ 1)
=( 12/ 13)×2
=24/ 13;
Boys account for 5/9 of the class, (class size) times 5/9 = (number of boys)
Two-sevenths of the index of Ya is equal to chickens, and (the number of ducks) times two-sevenths = (the number of chickens).
2/3 ton means 1 ton (), which means 2 stew ().
Uncle Wang made six parts in 3/4 hours. How many parts did he make in 1 hour? How many hours does it take to make a part?
1 hour = 6×1÷ (3/4) = 8;
Time to do it once =3/4÷6= 1/8 hours;
From road A to road B, it takes 90 minutes for trucks and 80 minutes for buses. The truck travels 5 kilometers per minute, and the bus travels how many kilometers per minute?
Bus speed =(5/3)×90÷80
= 150÷80
=1.875km/min
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