(125+1.25+12.5)x0.8 的简便计算

2025-04-02 01:10:57
推荐回答(2个)
回答1:

你好:

(125+1.25+12.5)x0.8
=125×0.8+1.25×0.8+12.5×0.8
=100+1+10
=111

回答2:

(125-1.25)X0.8
=125×0.8-1.25×0.8
=100-1
=99