7.6×0.82+0.24×8.2简便计算 要托式计算
问题描述:
7.6×0.82+0.24×8.2简便计算 要托式计算
答
7.6×0.82+0.24×8.2
=0.76×8.2+0.24×8.2
=(0.76+0.24)×8.2
=1×8.2
=8.2