k取何值时,代数式k+1/3的值比3k+1/2的值小一
人气:177 ℃ 时间:2020-01-30 04:29:09
解答
根据题意得方程:
(K+1)/3=(3K+1)/2-1
2K+2=9K+3-6
7K=5
K=5/7
或K+1/3=3K+1/2-1
6K+2=18K+3-6
12K=5
K=5/12
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