用简便运算 六十四乘百分之三十七点五加三点七五乘三点六

2024-11-22 23:38:06
推荐回答(1个)
回答(1):

64x37.5%+3.75x3.6
=6.4x3.75+3.75x3.6
=3.75x(6.4+3.6)
=37.5