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9÷0.125的简便运算怎么做?

9÷0.125 =(9x8)÷(0.125x8) =72÷1 =72

9÷0.125 =9x (1000/125) =9x 8 =72

1.2÷0.125 =(1.2×8)÷(0.125×8) =9.6÷1 =9.6

9/0.125 =9*8 =72 =0.93×(1+0.01) =0.93×1+0.93

解:依题意得算式, 9÷0.125 =9×1÷0.125 =9×(1÷0.125) =9×8

0.8÷0.125 =(0.8×8)÷(0.125×8) =6.4÷1 =6.4

利用0.125×8=1,

5.4/0.125 = 43.2

8.25÷0.125 =8.25/(1/8) =8.25*8 =8.25*4*2 =33*2

用简便方法计算3.91÷0.125+6.09÷0.125 =3.91÷1/8+6.09÷1/8 =3

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