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将数字1、2、3、4、5、6、7、8、9经过适当组合之后可形成两个数,其比值为1/3、1/4、1/5的数是?
如:7329/14658=1/2
人气:384 ℃ 时间:2020-05-19 20:18:05
解答
1/2 = 7293/14586 = 6729/13458 = 7269/145381/3 = 5823/17469 = 5832/174961/4 = 7956/31824 = 5796/23184 = 3942/15768 = 4392/175681/5 = 2697/134851/6 = 2943/17658 = 4653/27918 = 5697/341821/7 = 2394/16758...
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