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数学
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分式通分题,
1.-y/4x²,x²/3y²,2/5xy
2.3x/x²-y²,2y/xy-y²,5/2x+2y
3.a-b,1/a-b
人气:482 ℃ 时间:2020-05-28 09:05:29
解答
1.-15y3/60x²y² 20x4/60x²y² 24xy/60x²y² 2.6xy/2y(x+y)(x-Y) 4Y(X+Y)/2y(x+y)(x-Y) 5Y(X-Y)/2y(x+y)(x-Y)3.(a-b)2/a-b 1/a-b注:字母后面是次数...
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