脱式计算能简便运算的要简便运算437-37×2+8

2024-12-21 01:58:04
推荐回答(2个)
回答1:

437-37✘2+8
=437-74+8
=437-37-37+8
=400-37+8
=363+8
=371

回答2:

原式=400+37-37×2+8
=400-37+8
=363+8
=371