8.8/(2.2*0.25)的简便算法

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8.8/(2.2*0.25)的简便算法

8.8/(2.2*0.25)的简便算法
8.8/(2.2*0.25)的简便算法

8.8/(2.2*0.25)的简便算法
=[8.8/2.2]/0.25=16

8.8/(2.2*0.25)
=8.8/2.2*0.25
=4*0.25
=1

8.8/(2.2*0.25)=8.8/2.2 * 4=16

8.8/(2.2*0.25)
=8.8/[2.2*(1/4)]
=(8.8/2.2)*4
=4*4
=16

8.8/(2.2×0.25)
=4×2.2/(2.2×1/4)
=4×4
=16