(10.1)x8.5+0.15的简便算法怎么做

2024-11-21 21:40:24
推荐回答(1个)
回答1:

(10.1)x8.5+0.15
=(10+0.1)×8.5+0.15
=85+0.85+0.15
=85+(0.85+0.15)
=85+1
=86