23/99
16/990
2.1+45/990最后一个是什么意思？2.1是不循环的，只要后面的循环45化成分数。就可以了
1.23 23循环 化为分数,0.016 16循环 2.145 45循环
1.23 23循环 化为分数,0.016 16循环 2.145 45循环
化为分数.快!
化为分数.快!
其他人气：817 ℃时间：2020-03-21 16:33:24
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