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What is the sum of 3 consecutive integers？
(1) The sum of the 3 integers is less than the greatest of the 3 integers.
(2)Of the 3 integers, the ratio of least to the greatest is 3.
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连续三个数
n-1,n,n+1
最小和最大的比值是3
(n-1)/(n+1)=3
可求出n值
可求出和 充分
194871n
2: x/(x+2) = 3 => x = -3
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2021-10-04 01:05:07
ZiraoLi
-3、-2、-1； -3/-1=3
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2020-07-15 19:28:52
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数据充分DS
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难题300
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