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数学
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分式的通分和约分题目
最简公分母1/a-b,1/b-c,1/a-c
通分x/2(x+1),1/x²-x.
通分x+5/x²-x,6/x-1.
简答题 若2/2y²+3y+7的值为1/4,求1/4y²+6y-1的值
人气:375 ℃ 时间:2019-08-26 07:45:20
解答
1/(a-b),1/(b-c),1/(a-c)
最简公分母:[(a-b)(b-c)(a-c)]
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