Y=|X+3|+|X-2|,
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Y=|X+3|+|X-2|,Y=|X+3|+|X-2|,Y=|X+3|+|X-2|,
Y=|X+3|+|X-2|,
Y=|X+3|+|X-2|,
Y=|X+3|+|X-2|,
3x(2x+y)-2x(x-y),其中x=1,y=1/5
已知x和y满足x+3y+|3x-y|=19,2x+y=6,求x,y的值
设x,y满足x+3y+|3x-y|=19,2x+y=6则X= Y=
已知x-y=1,y≠0,求{(x+2y)²+(2x+y)(x+4y)-3(x+y)(x-y)}÷y的值.
(2/3x-2/x+y(x+y/3x-x-y))÷x-y/x,其中5x+3y=0
先化简再求值 [(x-y)²+(x+y)(x-y)]÷2x,其中x=3,y=1
求下列值域y=x^2-3x+2/x^2-1y=x^2+x+1/x^2-x+1
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y=0.5x(x+2)(3x-1) 求x轴交点.
Y=|X+3|+|X-2|,
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4.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)^2
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已知2x-y/x+3y=2,求代数式﹙4x-2y/x+3y﹚-﹙4x+12y/2x-y﹚的值
化简((X-2Y)的平方+(X-Y)(x+Y)-2(X-3Y)(X-Y))除以Y