59x72简便计算

2025-12-25 05:45:52
推荐回答(2个)
回答1:

(60一1)x72=4320一72=4248

回答2:

(60-1)*(70+2)
=60*70+60*2-70+2
=4200+120-70+2
=4320-70+2
=4250+2
=4252