急,已知集合M={x|1≤x≤10,x∈N},对它的非空子集A,将A中每个元素k,8.(2006•湖南邵阳模拟)已知集合M={x|1≤x≤10,x∈N},对它的非空子集A,将A中每个元素k,都乘以(-1)k,再求和(如A={1,3,6},可求得
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![急,已知集合M={x|1≤x≤10,x∈N},对它的非空子集A,将A中每个元素k,8.(2006•湖南邵阳模拟)已知集合M={x|1≤x≤10,x∈N},对它的非空子集A,将A中每个元素k,都乘以(-1)k,再求和(如A={1,3,6},可求得](/uploads/image/z/2724273-9-3.jpg?t=%E6%80%A5%2C%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88M%EF%BC%9D%7Bx%7C1%E2%89%A4x%E2%89%A410%2Cx%E2%88%88N%7D%2C%E5%AF%B9%E5%AE%83%E7%9A%84%E9%9D%9E%E7%A9%BA%E5%AD%90%E9%9B%86A%2C%E5%B0%86A%E4%B8%AD%E6%AF%8F%E4%B8%AA%E5%85%83%E7%B4%A0k%2C8.%282006%26%238226%3B%E6%B9%96%E5%8D%97%E9%82%B5%E9%98%B3%E6%A8%A1%E6%8B%9F%29%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88M%EF%BC%9D%7Bx%7C1%E2%89%A4x%E2%89%A410%2Cx%E2%88%88N%7D%2C%E5%AF%B9%E5%AE%83%E7%9A%84%E9%9D%9E%E7%A9%BA%E5%AD%90%E9%9B%86A%2C%E5%B0%86A%E4%B8%AD%E6%AF%8F%E4%B8%AA%E5%85%83%E7%B4%A0k%2C%E9%83%BD%E4%B9%98%E4%BB%A5%28%EF%BC%8D1%29k%2C%E5%86%8D%E6%B1%82%E5%92%8C%28%E5%A6%82A%3D%7B1%2C3%2C6%7D%2C%E5%8F%AF%E6%B1%82%E5%BE%97)
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