1/3m-3/2n-6/5n-1/6m,其中m=6,n=2,求代数式的值
人气:257 ℃ 时间:2019-08-26 03:07:08
解答
1/3m-3/2n-6/5n-1/6m
=1/6m-3/10n
=1/6×6-3/10×2
=1-3/5
=2/5
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