0.94*2.5+0.094*75用简便方法怎样做?
问题描述:
0.94*2.5+0.094*75用简便方法怎样做?
答
0.94*2.5+0.094*75
=0.94×2.5+0.94×7.5
=0.94×(2.5+7.5)
=0.94×10
=9.4是0.94*2.5+0.094*75可能是你把0.094看成了094。谢了。呵呵,我没看错啊我运用了积不变的规律0.094×75=0.94×7.5你的,明白?