8.9x100.1简便计算

8.9x100.1简便计算
2024-12-03 21:01:47
推荐回答(2个)
回答1:

8.9x100.1=8.9x(100+0.1)=8.9x100+8.9x0.1=490+0.89=890.89

回答2:

8.9x(100+0.1)
=890+0.89
=890.89