x分之x^2-y^2除以x^2+xy分之x-y
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x分之x^2-y^2除以x^2+xy分之x-yx分之x^2-y^2除以x^2+xy分之x-yx分之x^2-y^2除以x^2+xy分之x-y原式=(x²-y²)/x×(x²
x分之x^2-y^2除以x^2+xy分之x-y
x分之x^2-y^2除以x^2+xy分之x-y
x分之x^2-y^2除以x^2+xy分之x-y
原式=(x²-y²)/x×(x²+xy)/(x-y)
=(x+y)(x-y)/x×x(x+y)/(x-y)
=(x+y)²
x分之x^2-y^2除以x^2+xy分之x-y
=x分之x^2-y^2乘以x-y分之x^2+xy
=(x+y)(x-y)(x)(x+y)/(x)(x-y)
=(x+y)²
(xy-x^2)除以xy分之x-y
xy分之x^2-y^2除以(x-y)
x分之x^2-y^2除以x^2+xy分之x-y
(x+y分之x + x+y分之2y)除以x+2y分之xy除以(x分之1+y分之1)
(xy-x²)除以xy分之x²-2xy+y²乘以x²分之x-y
x平方+y平方+2xy分之x平方-4y平方除以x平方+xy分之2y+x
(X+Y分之X+X+Y分之2Y)乘X+2Y分之XY除以(X分之1+Y分之1)要有过程
X+Y分之X+X+Y分之2Y)乘X+2Y分之XY除以(X分之1+Y分之1)得?
计算[3x分之2-(x+y分之2)乘以[3x分之x+(y-x^2-xy)]除以x分之x-y
负3xy除以/3x分之2y^2
根号xy 除以 2倍根号x分之y^2
计算3xy除以-3x分之2y
x^2+xy分之x-y 除以x^2y^2-x^4分之xy-x^2*x-y分之1
x^2+xy分之x-y 除以x^2y^2-x^4分之xy-x^2*x-y分之1
若x.y满足x+=4和x-y=2,求xy分之2x-y+1除以-x分之y+y分之x的值
(x+y分之x + x+y分之2y)乘x+2y分之xy 除以(x分之1+y分之1)同样用两...(x+y分之x + x+y分之2y)乘x+2y分之xy 除以(x分之1+y分之1)同样用两种方式解答喔.
根号x(x+y)除以根号x+y分之xy^2
(1)x²+y²-2xy分之xy (分开的) 乘 3x²分之x-y (2)(x-y分之x - x-y分之2y) 乘 下面还有(1)x²+y²-2xy分之xy ( 分开的) 乘 3x²分之x-y(2)(x-y分之x - x-y分之2y) 乘 x-2y分之xy 除以(x分之1+y