4.5×37+3.7×55简便计算

分类: 作业答案 • 2021-12-28 11:16:01

问题描述：

4.5×37+3.7×55简便计算

答

4.5×37+3.7×55
=4.5×37+37×5.5
=(4.5+5.5)×37
=1×37
=37是4.5×37+3.7×55哦，对不起
4.5×37+3.7×55
=4.5×37+37×5.5
=(4.5+5.5)×37
=10×37
=370