5.9*9.9+0.59怎么简便算
答案:3 悬赏:50 手机版
解决时间 2021-12-03 20:46
- 提问者网友:城市野鹿
- 2021-12-02 21:31
5.9*9.9+0.59怎么简便算
最佳答案
- 五星知识达人网友:胯下狙击手
- 2021-12-02 22:48
5.9*9.9+0.59
=0.59*99+0.59
=0.59*(99+1)
=0.59*100
=59
=0.59*99+0.59
=0.59*(99+1)
=0.59*100
=59
全部回答
- 1楼网友:梦中风几里
- 2021-12-03 01:15
5.9*9.9+0.59
=5.9*9.9+5.9*0.1
=5.9*(9.9+0.1)
=5.9*10
=59
=5.9*9.9+5.9*0.1
=5.9*(9.9+0.1)
=5.9*10
=59
- 2楼网友:孤独入客枕
- 2021-12-03 00:06
=5.9*9.9+5.9*0.1=5.9*(9.9+0.1)=5.9*10=59追问谢谢啊
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