初一下期完全平方公式的题.(1)计算6(7+1)(7^2+1)(7^4+1(7^8+1)+1(2)计算a^2(a+b)(a-b)+a^2b^2(3)计算(x+y)^2-9x-y)^2(4)计算(2x+y-3)^2(5)胜利公园有一块正方形草坪,需要修整成一块长方形草坪,在修整时一边加长了
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![初一下期完全平方公式的题.(1)计算6(7+1)(7^2+1)(7^4+1(7^8+1)+1(2)计算a^2(a+b)(a-b)+a^2b^2(3)计算(x+y)^2-9x-y)^2(4)计算(2x+y-3)^2(5)胜利公园有一块正方形草坪,需要修整成一块长方形草坪,在修整时一边加长了](/uploads/image/z/7088857-25-7.jpg?t=%E5%88%9D%E4%B8%80%E4%B8%8B%E6%9C%9F%E5%AE%8C%E5%85%A8%E5%B9%B3%E6%96%B9%E5%85%AC%E5%BC%8F%E7%9A%84%E9%A2%98.%281%29%E8%AE%A1%E7%AE%976%287%2B1%29%287%5E2%2B1%29%287%5E4%2B1%287%5E8%2B1%29%2B1%282%29%E8%AE%A1%E7%AE%97a%5E2%28a%2Bb%29%28a-b%29%2Ba%5E2b%5E2%283%29%E8%AE%A1%E7%AE%97%28x%2By%29%5E2-9x-y%29%5E2%284%29%E8%AE%A1%E7%AE%97%282x%2By-3%29%5E2%285%29%E8%83%9C%E5%88%A9%E5%85%AC%E5%9B%AD%E6%9C%89%E4%B8%80%E5%9D%97%E6%AD%A3%E6%96%B9%E5%BD%A2%E8%8D%89%E5%9D%AA%2C%E9%9C%80%E8%A6%81%E4%BF%AE%E6%95%B4%E6%88%90%E4%B8%80%E5%9D%97%E9%95%BF%E6%96%B9%E5%BD%A2%E8%8D%89%E5%9D%AA%2C%E5%9C%A8%E4%BF%AE%E6%95%B4%E6%97%B6%E4%B8%80%E8%BE%B9%E5%8A%A0%E9%95%BF%E4%BA%86)
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