分解公因式2题(x-2y+3y)²(-x+y)(-y-x)(-2x²+1/2)(-2x²-
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分解公因式2题
(x-2y+3y)²
(-x+y)(-y-x)
(-2x²+1/2)(-2x²-1/2)
(x-2y+3y)²
(-x+y)(-y-x)
(-2x²+1/2)(-2x²-1/2)
![分解公因式2题(x-2y+3y)²(-x+y)(-y-x)(-2x²+1/2)(-2x²-](/uploads/image/z/2429906-50-6.jpg?t=%E5%88%86%E8%A7%A3%E5%85%AC%E5%9B%A0%E5%BC%8F2%E9%A2%98%EF%BC%88x-2y%2B3y%EF%BC%89%26sup2%3B%EF%BC%88-x%2By%EF%BC%89%28-y-x%29%EF%BC%88-2x%26sup2%3B%2B1%2F2%EF%BC%89%EF%BC%88-2x%26sup2%3B-)
(x-2y+3y)²=(x+y)²=x²+2xy+y²
(-x+y)(-y-x)=xy+x²-y²-xy=x²-y²
(-x+y)(-y-x)=xy+x²-y²-xy=x²-y²
分解公因式2题(x-2y+3y)²(-x+y)(-y-x)(-2x²+1/2)(-2x²-
化简:1.2x²-y²+(2y²-3x²)-(2y²+x²)
(x+y)²-2(x²-y²)+(y-x)²
(3x-2y)²(3x-2y)²(9x²+4y²)²
求一道计算题,{(2\3x²)-(2\x²+y²)*[(x²+y²\3
1、x²+4y²+_______=(x-2y)²
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再求代数式(4x²-7x+6y-1)-(-2x²+3y²+2y+2x)+(-6x²
1-x²+2xy-y²
计算:(1).(-2xy²)*(3x²y)²
y=(x²+1)²/[(3x²+2)(2x²+3)],求最小值
分解因式:9x²-16(a+b)² 1/2x⁴y²-1/8x²y