0.37×2点5 0点63×2点五简便运算你怎么运算的

2024-11-25 00:04:07
推荐回答(1个)
回答1:

0.37×2.5+0.63×2.5
= (0.37+0.63)×2.5
= 1×2.5
= 2.5