因式分解:(1)x^4-9 (2)x^2-4√2x+8(3)若最简二次根式√3a-11与√2a-5是同类二次根式,则a值为(4)若√2a-1+/b-3/+(c+2)^2=0,a+b+c=(5)化简:√(2√7-3√3)^2(6)当X---时,x/√5-x在实数范围内有意义(7)当--
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![因式分解:(1)x^4-9 (2)x^2-4√2x+8(3)若最简二次根式√3a-11与√2a-5是同类二次根式,则a值为(4)若√2a-1+/b-3/+(c+2)^2=0,a+b+c=(5)化简:√(2√7-3√3)^2(6)当X---时,x/√5-x在实数范围内有意义(7)当--](/uploads/image/z/1348840-64-0.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A%281%29x%5E4-9+++%282%29x%5E2-4%E2%88%9A2x%2B8%283%29%E8%8B%A5%E6%9C%80%E7%AE%80%E4%BA%8C%E6%AC%A1%E6%A0%B9%E5%BC%8F%E2%88%9A3a-11%E4%B8%8E%E2%88%9A2a-5%E6%98%AF%E5%90%8C%E7%B1%BB%E4%BA%8C%E6%AC%A1%E6%A0%B9%E5%BC%8F%2C%E5%88%99a%E5%80%BC%E4%B8%BA%EF%BC%884%EF%BC%89%E8%8B%A5%E2%88%9A2a-1%2B%2Fb-3%2F%2B%28c%2B2%29%5E2%3D0%2Ca%2Bb%2Bc%3D%285%29%E5%8C%96%E7%AE%80%EF%BC%9A%E2%88%9A%EF%BC%882%E2%88%9A7-3%E2%88%9A3%EF%BC%89%5E2%286%29%E5%BD%93X---%E6%97%B6%2Cx%2F%E2%88%9A5-x%E5%9C%A8%E5%AE%9E%E6%95%B0%E8%8C%83%E5%9B%B4%E5%86%85%E6%9C%89%E6%84%8F%E4%B9%89%EF%BC%887%EF%BC%89%E5%BD%93--)
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