the product of 7 and a number is more than the sum of 7 and the number ,what is the number what is the smallest integer than could be a solution for a number?
人气：256 ℃ 时间：2020-02-05 09:00:24
解答
题意如下：7和另一个数之积比7和这个数的和大.这个数是多少?最小整数解是多少?
解法如下：suppose this number is x
then 7x>7+x
6x>7
x>7/6
the smallest integer for this question is 2
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