用简便运算计算

(1)35*27+11*35+38*65 (2)27*48+27*154
2024-12-02 07:07:13
推荐回答(2个)
回答1:

35x27+11x35+38x65=35x38+38x65=38x(35+65)=38x100=3800

27x48+27x154=27x(48+154)=27x202=27x(200+2)=5400+54=5454

回答2: