Question

32x47+47x37+21x37

Answer 1

你好，这道题的简便算法如下：
32×47+47×37+21×37
=(32+37+21)×47-21×10
=90×47-210
=4230-210
=4020
望采纳。

Answer 2

可以这样计算
32×47+47×37+21×37
=32×（37+10）+47×37+21×37
=320+32×37+47×37+21×37
=320+（32+47+21）×37
=320+100×37
=320+3700
=4020