50×38.2×0.用简便方法计算
问题描述:
50×38.2×0.用简便方法计算
答
50×38.2×0.2
=(50×0.2)×38.2
=10×38.2
=382
50×38.2×0.用简便方法计算
50×38.2×0.2
=(50×0.2)×38.2
=10×38.2
=382