(2xy-y)-(-y+yx) 怎么化简
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(2xy-y)-(-y+yx)怎么化简(2xy-y)-(-y+yx)怎么化简(2xy-y)-(-y+yx)怎么化简2xy-y+y-xy=xy
(2xy-y)-(-y+yx) 怎么化简
(2xy-y)-(-y+yx) 怎么化简
(2xy-y)-(-y+yx) 怎么化简
2xy-y+y-xy=xy
(2xy-y)-(-y+yx) 怎么化简
化简(2xy-y)-(-y+yx)得多少?
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)]
x²y-3xy²+2yx²-y²x(列算式)
已知2x^2-3xy+y^2=0(xy不等于0),则xy+yx的值是?
(1)化简求值:2x^2+14x+24分之x^2+16+8x,其中x=-6当x=3,y=-2,求x^2-(y-1)^2分之x^2-y^2乘以x^2+2yx+y^2分之(x-y)^2-1除以x^2+xy-x分之x^2-xy的值、怎么做,
求代数式(2xy-y)-(-y+yx)其中x=10,y=3的值
(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
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3xy+xy+2x²y+yx²+3x²y等于多少