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1/23、、1/31、、1/54化成小数数是多少
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1/23=1÷23=0.0434782608695652173904347826086956521739......(循环节是04347826086956521739)
1/31=1÷31=0.032258064516129032258064516129......
(循环节是032258064516129)
1/54=1÷54=0.0185185185......(循环节是185)
1/31=1÷31=0.032258064516129032258064516129......
(循环节是032258064516129)
1/54=1÷54=0.0185185185......(循环节是185)
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