[(2x+y)-(2x+y)(2x-y)]÷2y-二分之一y

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[(2x+y)-(2x+y)(2x-y)]÷2y-1/2y ＝(2x+y)[((2x+y))-(2x-y)]÷2y-1/2y ＝(2x+y)*2y÷2y-1/2y ＝2x+y-1/2y ＝2x+1/2y 同学,提醒一下,在获得答案后,别忘了及时采纳哦,采纳可获得2经验值奖励!请抽空采纳,新年快乐!在新的一年里,数学成绩节节高升

x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2 化简y(x+y)+(x+y)(x-y)-x^2 (x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2 【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y) 因式分解x(x+y)(x-y)-x(x+y)^2 [(x-y)^2-(x+2y)(x-2y)]/y 计算:y-x分之x+y+x-y分之y-y-x分之2x-y x^2(x-y)+(y-x) x(x-y)2-(y-x)3 【(x-y)^2+(x+y)(x-y)】除以 2x [(x-y)²+(x+y)(x-y)]除以2x [2/3x-2/x+y(x+y/3x-x-y)]/x-y/x 化简：{2/3x-2/(x+y)[(x+y)/3x-x-y]}/(x+y)/x 计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x 化简：[(x+y)(x-y)(x+y)^2-2y(x-2y)](-2y) 谢谢! 化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x 计算：[(x+y)(x-y)-(x-y)^2+2y(x-y)]/(-2y) [(-x-y)(-x+y)-(x+y)^2-x(y-y^2)}÷1/2y