12.5×0.56×0.4×0.8×250能不能简便计算
问题描述:
12.5×0.56×0.4×0.8×250能不能简便计算
答
先12.5*0.4=5 再5*0.8=4 然后4*250=1000 最后1000*0.56=560
答
12.5×0.56×0.4×0.8×250
=(12.5×0.8)×0.56×(0.4×250)
=10×0.56×100
=10×56
=560
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答
可以.
12.5×0.56×0.4×0.8×250
=(12.5×0.8)×(250×0.4)×0.56
=10×100×0.56
=1000×0.56
=560