(x+y)^2-x^2y^2 因式分解
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(x+y)^2-x^2y^2因式分解(x+y)^2-x^2y^2因式分解(x+y)^2-x^2y^2因式分解原式=(x+y+xy)(x+y-xy)(x+y-xy)*(x+y-xy)你好,(x+y)&s
(x+y)^2-x^2y^2 因式分解
(x+y)^2-x^2y^2 因式分解
(x+y)^2-x^2y^2 因式分解
原式=(x+y+xy)(x+y-xy)
(x+y-xy)*(x+y-xy)
你好,
(x+y)²-x²y²
=(x+y)²-(xy)²
=(x+y+xy)(x+y-xy)(利用平方差公式)
(x+y)^2-x^2y^2=(x+y-XY)(x+y+XY)
(x+y)²-x²y²
=(x+y)²-(xy)²
=(x+y+xy)(x+y-xy)
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