110乘37.8减1.25乘37.8乘8怎样简便
第1个回答 2016-11-24
110x37.8-1.25x37.8x8
=110x37.8-1.25x8x27.8
=110x37.8-10x37.8
=100x37.8
=110x37.8-1.25x8x27.8
=110x37.8-10x37.8
=100x37.8
第2个回答 2016-11-24
110乘37.8减1.25乘37.8乘8简便如下:
110×37.8-1.25×37.8×8
=37.8×(110-1.25×8)
=37.8×(110-10)
=37.8×100
=3780本回答被网友采纳
110×37.8-1.25×37.8×8
=37.8×(110-1.25×8)
=37.8×(110-10)
=37.8×100
=3780本回答被网友采纳