几道数学填空题,急!在线等!(-x+4y+z)(-x+4y-z)=_______(3a-1)(_______)=1-6a+9a²(-x-y)·(x-y)=______4x²+9y²=(2x+3y)² - _______=(2x-3y)²+________.(x+1)²(x-1)²(x²+1)²=________(x+y)²·(x
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![几道数学填空题,急!在线等!(-x+4y+z)(-x+4y-z)=_______(3a-1)(_______)=1-6a+9a²(-x-y)·(x-y)=______4x²+9y²=(2x+3y)² - _______=(2x-3y)²+________.(x+1)²(x-1)²(x²+1)²=________(x+y)²·(x](/uploads/image/z/15234843-3-3.jpg?t=%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E5%A1%AB%E7%A9%BA%E9%A2%98%2C%E6%80%A5%21%E5%9C%A8%E7%BA%BF%E7%AD%89%21%28-x%2B4y%2Bz%29%28-x%2B4y-z%29%3D_______%EF%BC%883a-1%29%28_______%29%3D1-6a%2B9a%26%23178%3B%EF%BC%88-x-y%29%C2%B7%28x-y%29%3D______4x%26%23178%3B%2B9y%26%23178%3B%3D%282x%2B3y%29%26%23178%3B++%EF%BC%8D+_______%3D%282x-3y%29%26%23178%3B%2B________.%EF%BC%88x%2B1%29%26%23178%3B%EF%BC%88x-1%29%26%23178%3B%28x%26%23178%3B%2B1%29%26%23178%3B%3D________%28x%2By%29%26%23178%3B%C2%B7%28x)
几道数学填空题,急!在线等!(-x+4y+z)(-x+4y-z)=_______(3a-1)(_______)=1-6a+9a²(-x-y)·(x-y)=______4x²+9y²=(2x+3y)² - _______=(2x-3y)²+________.(x+1)²(x-1)²(x²+1)²=________(x+y)²·(x
几道数学填空题,急!在线等!
(-x+4y+z)(-x+4y-z)=_______
(3a-1)(_______)=1-6a+9a²
(-x-y)·(x-y)=______
4x²+9y²=(2x+3y)² - _______=(2x-3y)²+________.
(x+1)²(x-1)²(x²+1)²=________
(x+y)²·(x²-2xy+y²)=_________
几道数学填空题,急!在线等!(-x+4y+z)(-x+4y-z)=_______(3a-1)(_______)=1-6a+9a²(-x-y)·(x-y)=______4x²+9y²=(2x+3y)² - _______=(2x-3y)²+________.(x+1)²(x-1)²(x²+1)²=________(x+y)²·(x
(-x+4y+z)(-x+4y-z)=___x²-8xy+16y²-z²____
(3a-1)(__3a-1_____)=1-6a+9a²
(-x-y)·(x-y)=-x²-2xy-y²______
4x²+9y²=(2x+3y)² - __12xy_____=(2x-3y)²+__12xy______.
(x+1)²(x-1)²(x²+1)²=_x^8-2x^4+1_______
(x+y)²·(x²-2xy+y²)=__x^4-2x²y²+y_^4______