6.4除以0.25的简便算法

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6.4除以0.25的简便算法6.4除以0.25的简便算法6.4除以0.25的简便算法=640/25=640/(5*5)=(640/5)/5=128/5=25.6(6.4*4)÷(0.25*4)=25.

6.4除以0.25的简便算法
6.4除以0.25的简便算法

6.4除以0.25的简便算法
=640/25
=640/(5*5)
=(640/5)/5
=128/5
=25.6

(6.4*4)÷(0.25*4)=25.6

二者都乘以100:640/25

640/25