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十五分之八除以[一减(五分之四减三分之二)],用简...

8/15÷[1-(4/5-2/3)] =8/15÷[1-(12/15-10/15)] =8/15÷(1-2/15) =8/15÷13/15 =8/15x15/13 =8/13

=3分之2除以15分之4 = 3分之2乘以4分之15 =2分之5 =2.5

(2-3/4×8/5)÷(1/12+4/15) =(2-6/5)÷21/60 =4/5÷21/60 =48/21

8/15-1/5x3/4 =8/15-3/20 =32/60-9/60 =23/60

【8/15-(4/5-3/10)】×15/14 =【8/15-1/2】×15/14 =1/15×15/14 =1/14

1减十五分之捌乘四分之三的积再除五分之三怎么简便 (1-7/15)*3/4÷3/5 =8/15*3/4*5/3 =2*1/3 =2/3

(4/5-1/2)/(2/5/ 1/10)=3/40

简便计算 5/8-1/4×(8/9÷2/3) =5/8-1/4×4/3 =5/8-1/3 =7/24

4/15-(4/5+2/3)/11/2=4/15-(22/15)*2/11=4/15-4/15=0

解:(十二分之五减八分之一)乘七分之四除以十八分之一 =(5/12-1/8)X4/7÷1/18 =(10/24-3/24)X4/7X18 =7/24X4/7X18 =18X4/24X7/7 =18X1/6X1 =3 七分之三加四分之一除以五分之二减四分之一 =3/7+1/4÷2/5-1/4 =3

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