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3.2:5/8化简比

3.2:5/8化简比128:25 3.2:5/8 =(3.2x40):(5/8x40) =128:25 谢谢,请采纳

2分之3:5分之8 =(2分之3×10):(5分之8×10) =15:16 求比值: 2分之3:5分之8 =2分之3÷5分之8 =2分之3×8分之5 =16分之15

5/8:2.5 = (5/8x8) :(2·5x8) =5:20=1:4 13/28:3.9 =13/28x10/39 =5/42=5:42

8/7:2/5 =8/7÷2/5 =20:7

(5/8):(5/9) =9:8

1/8:5/32 =1/8×32/5 =4/5 =4:5

(1) 5 8 :15=( 5 8 × 8 5 ):(15× 8 5 )=1:24; 5 8 :15= 5 8 ÷15= 1 24 ;(2)0.8: 3 4 =(0.8×20):( 3 4 ×20)=16:15;0.8: 3 4 =0.8÷ 3 4 = 16 15 ;(3)1.5: 3 5 =(1.5× 10 3 ):( 3 5 × 10 3 )=5:2;1.5: 3 5 =1....

请采纳,谢谢

你等等,我正再算

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