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Topic:
循环小数
哪个小数等于分数 7/9
0.777…
0.78
0.7
0.777
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0.777...
把循环小数 0.666… 表示为最简分数。
2/3
6/9
1/3
3/5
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2/3
把循环小数0.666…(6循环)化为最简分数。
2/3
6/9
3/5
1/2
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2/3