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四分之三乘以十二分之五乘以九分之八的简便计算怎么写

3/4×5/12×8/9 =5/16×8/9 =5/18

4分之3×12分之5×9分之8 =16分之5×9分之8 =18分之5 你好,本题已解答,如果满意 请...

12x9/4x8/57x2/3 =(12x2/3)x(9/4x8/57) =8x6/19 =48/1...

=5/12 *(3/4+5/4) =5/12*2 =5/6

2又3/4÷1又5/8×13/22 =11/4×(8/13×13/22) =11/4×4/11 =1

写成四分之一乘四乘八乘八分之一,结果是五

(5/9+3/4+7/12)×36 =5/9×36+3/4×36+7/12×36 =20+27+...

额(⊙o⊙)…

解:原式=36x(2+2/9)-(1+3/4)+5/12 =36x2+36x2/9-1-3/4+5/...

(5/9+1+7/12)乘36

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