将1.2323循环改写成分数
答案:1 悬赏:30
解决时间 2021-01-19 02:26
- 提问者网友:焚苦与心
- 2021-01-18 09:08
将1.2323循环改写成分数
最佳答案
- 二级知识专家网友:山河有幸埋战骨
- 2021-01-18 10:23
1.2323······
=(1.2323······X99)/99
=1.2323······X(100-1)/99
=(1.2323······X100-1.2323······X1)/99
=(123.2323······-1.2323······)/99
=122/99
=(1.2323······X99)/99
=1.2323······X(100-1)/99
=(1.2323······X100-1.2323······X1)/99
=(123.2323······-1.2323······)/99
=122/99
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