化简(2xy-y)-(-y+yx)得多少?
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化简(2xy-y)-(-y+yx)得多少?
化简(2xy-y)-(-y+yx)得多少?
化简(2xy-y)-(-y+yx)得多少?
XY
化简(2xy-y)-(-y+yx)得多少?
(2xy-y)-(-y+yx) 怎么化简
x²y-3xy²+2yx²-y²x(列算式)
3xy+xy+2x²y+yx²+3x²y等于多少
已知2x^2-3xy+y^2=0(xy不等于0),则xy+yx的值是?
求代数式(2xy-y)-(-y+yx)其中x=10,y=3的值
xy*yx=3154xy*yx-----114304 -----3154x和y各等于多少?
(2yx³-3x²y+4xy³)÷(-2x)÷(-y)
(1)(2xy-y)-(-y+yx)(2)3x²-[7x-(4x-3)-2x²]
XY+Y=YX 问:XY是多少(两位数的数字)
XY+Y=YX 问:XY是多少
x^2y-3xy^2+2yx^2-y^2x化简
化简 x²y-3xy²+2yx²-y²x
x+y=xy 那 y+x能=yx嘛?x+y惹得祸!
-x^2y+5xy^2-yx^2合并同类项
xy^2-x-yx^2+y变为(y-x)(xy+1)xy^2-x-yx^2+y化为(y-x)(xy+1)感觉不像十字相乘法.
请高手化简以下整式(要过程)原式:-3xy-(-4xy+2x²-6y)+[-2(yx-x²+y)]
请高手化简以下整式(要过程)原式:-3xy-(-4xy+2x-6y)+[-2(yx-x+y)]