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数学
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已知abc都是自然数都不等于0,A*20分之19=B*20分之20=c*20分之21,按从大到小的顺序排列ABC?
人气:398 ℃ 时间:2019-08-18 16:05:16
解答
A\B=20\19
∴A>B
B\C=21\20
∴B>C
∴从大到小顺序是ABC
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