括号1.25加1.1乘以0.8的简便算法

括号1.25加1.1乘以0.8的简便算法
2024-11-25 07:46:24
推荐回答(2个)
回答1:

(1.25+1.1)×0.8
=1.25×0.8+1.1×0.8
=1+0.88
=1.88

回答2:

(1.25+1.1)x0.8
=1.25x0.8+1.1x0.8
=1+0.88
=1.88