143×37+57×32用简便方法怎么做？

Question

如题所述

Answer 1

等于143×（32+5）+57×32=143×32+143×5+57×32=143×5+（143+57）×32=715+200×32=7115
所以结果等于7115

Answer 2

143×37+57×32
=143x（32+5）+57×32
=143x32+715+57×32
=32×（143+57）+715
=32x200+715
=6400+715
=7115本回答被网友采纳

Answer 3

143×37+57×32
=(32+5)×143+57×32
=32×(143+57)+143×5
=32×200+715
=6400+715
=7115

Answer 4

这题变换一下看能不能简算追答

简算没啥作用。