这里有几道数学题,都是代数的,或者会做哪个做哪个1.8xM-40x²=6x²y³+N,已知M,N都是一个单项式,求M,N2.1+x+x²+x³=0,求x+x²+x³+.+x…x的2004次3.(x-1)(x+1)=x²-1(x-1)(x²
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![这里有几道数学题,都是代数的,或者会做哪个做哪个1.8xM-40x²=6x²y³+N,已知M,N都是一个单项式,求M,N2.1+x+x²+x³=0,求x+x²+x³+.+x…x的2004次3.(x-1)(x+1)=x²-1(x-1)(x²](/uploads/image/z/2765271-39-1.jpg?t=%E8%BF%99%E9%87%8C%E6%9C%89%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E9%83%BD%E6%98%AF%E4%BB%A3%E6%95%B0%E7%9A%84%2C%E6%88%96%E8%80%85%E4%BC%9A%E5%81%9A%E5%93%AA%E4%B8%AA%E5%81%9A%E5%93%AA%E4%B8%AA1.8xM-40x%26%23178%3B%3D6x%26%23178%3By%26%23179%3B%2BN%2C%E5%B7%B2%E7%9F%A5M%2CN%E9%83%BD%E6%98%AF%E4%B8%80%E4%B8%AA%E5%8D%95%E9%A1%B9%E5%BC%8F%2C%E6%B1%82M%2CN2.1%2Bx%2Bx%26%23178%3B%2Bx%26%23179%3B%3D0%2C%E6%B1%82x%2Bx%26%23178%3B%2Bx%26%23179%3B%2B.%2Bx%E2%80%A6x%E7%9A%842004%E6%AC%A13.%EF%BC%88x-1%EF%BC%89%EF%BC%88x%2B1%EF%BC%89%3Dx%26%23178%3B-1%EF%BC%88x-1%EF%BC%89%EF%BC%88x%26%23178%3B)
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