括号(33-18)括号乘以(24 +34)括号的简便算法是?

2025-02-25 22:12:47
推荐回答(2个)
回答1:

(33-18)x(24+34)
=15x58
=15x50+15x8
=750+120
=870

回答2:

1585365565453