数学分式通分与约分约分 (x²+xy)/(x+y)² x²-y²/(x²-y²)通分2xy/(x+y)²与x/x²-y² x-y/2x+2y与xy/(x+y)²
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![数学分式通分与约分约分 (x²+xy)/(x+y)² x²-y²/(x²-y²)通分2xy/(x+y)²与x/x²-y² x-y/2x+2y与xy/(x+y)²](/uploads/image/z/202850-26-0.jpg?t=%E6%95%B0%E5%AD%A6%E5%88%86%E5%BC%8F%E9%80%9A%E5%88%86%E4%B8%8E%E7%BA%A6%E5%88%86%E7%BA%A6%E5%88%86+%28x%26sup2%3B%2Bxy%29%2F%28x%2By%29%26sup2%3B+x%26sup2%3B-y%26sup2%3B%2F%EF%BC%88x%26sup2%3B-y%26sup2%3B%EF%BC%89%E9%80%9A%E5%88%862xy%2F%28x%2By%29%26sup2%3B%E4%B8%8Ex%2Fx%26sup2%3B-y%26sup2%3B+x-y%2F2x%2B2y%E4%B8%8Exy%2F%28x%2By%29%26sup2%3B)
数学分式通分与约分约分 (x²+xy)/(x+y)² x²-y²/(x²-y²)通分2xy/(x+y)²与x/x²-y² x-y/2x+2y与xy/(x+y)²
数学分式通分与约分
约分 (x²+xy)/(x+y)²
x²-y²/(x²-y²)
通分2xy/(x+y)²与x/x²-y²
x-y/2x+2y与xy/(x+y)²
数学分式通分与约分约分 (x²+xy)/(x+y)² x²-y²/(x²-y²)通分2xy/(x+y)²与x/x²-y² x-y/2x+2y与xy/(x+y)²
约分
(x²+xy)/(x+y)²
=x(x+y)/(x+y)²
=x/(x+y)
x²-y²/(x²-y²)=1
通分
2xy/(x+y)²与x/x²-y²
2xy/(x+y)²=2xy(x-y)/[(x+y)²(x-y)]
x/(x²-y²)=x(x+y)/[(x+y)²(x-y)]
x-y/2x+2y与xy/(x+y)²
(x-y)/(2x+2y)=(x-y)(x+y)[2(x+y)²]=(x²-y²)/[2(x+y)²]
xy/(x+y)²=2xy/[2(x+y)²]
你那个是2次方还是Z?
数学分式通分与约分约分 (x²+xy)/(x+y)² x²-y²/(x²-y²)通分2xy/(x+y)²与x/x²-y² x-y/2x+2y与xy/(x+y)²
分式的约分与通分问题约分 (x²+xy)/(x+y)² x²-y²/(x²-y²)通分2xy/(x+y)²与x/x²-y² x-y/2x+2y与xy/(x+y)²
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