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2/3+x-1/4=5/6 x-2/7+1/3=5/6
人气:124 ℃ 时间:2020-05-23 00:25:33
解答
2/3+x-1/4=5/6 x-2/7+1/3=5/6
x=5/6-2/3+1/4 x=5/6-1/3+2/7
x=5/12 x=11/14
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