(5.28+5.28+5.28+5.28)乘0.25
问题描述:
(5.28+5.28+5.28+5.28)乘0.25
答
5.28简便(5.28+5.28+5.28+5.28)×0.25=21.12×0.25=5.28
(5.28+5.28+5.28+5.28)乘0.25
5.28简便(5.28+5.28+5.28+5.28)×0.25=21.12×0.25=5.28