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1/2m-2/3n-5/6n-1/6m其中m=6n=2
人气:246 ℃ 时间:2020-03-16 06:12:38
解答
m=2
n=1/3
(1/2m)-(2/3n)-(5/6n)-(1/6m)=
1-(2/9)-(5/18)-(1/3)=
(18/18)-(4/18)-(5/18)-(6/18)=
3/18=
1/6
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