(2.5+0.125)乘0.8的简便计算

2024-12-19 01:48:36
推荐回答(2个)
回答1:

2.5*0.8+0.125*0.8=2+0.1=2.1

回答2:

(2.5+0.125)*0.8
=2+0.1
=2.1