(1)-9x(k+1)次方-4x(k次方)+12x(k+1次方)+5x(k次方)+x(k+1)次方(2)已知m—二分之一的绝对值等于0,求代数式4m的平方-【6m-2(3m+2)—2m的平方】(3)1.5(a+b)n次方—三分之二(a—b
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![(1)-9x(k+1)次方-4x(k次方)+12x(k+1次方)+5x(k次方)+x(k+1)次方(2)已知m—二分之一的绝对值等于0,求代数式4m的平方-【6m-2(3m+2)—2m的平方】(3)1.5(a+b)n次方—三分之二(a—b](/uploads/image/z/1788892-52-2.jpg?t=%EF%BC%881%EF%BC%89-9x%EF%BC%88k%2B1%EF%BC%89%E6%AC%A1%E6%96%B9-4x%EF%BC%88k%E6%AC%A1%E6%96%B9%EF%BC%89%2B12x%EF%BC%88k%2B1%E6%AC%A1%E6%96%B9%EF%BC%89%2B5x%EF%BC%88k%E6%AC%A1%E6%96%B9%EF%BC%89%2Bx%EF%BC%88k%2B1%EF%BC%89%E6%AC%A1%E6%96%B9%EF%BC%882%EF%BC%89%E5%B7%B2%E7%9F%A5m%E2%80%94%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E7%AD%89%E4%BA%8E0%2C%E6%B1%82%E4%BB%A3%E6%95%B0%E5%BC%8F4m%E7%9A%84%E5%B9%B3%E6%96%B9-%E3%80%906m-2%EF%BC%883m%2B2%EF%BC%89%E2%80%942m%E7%9A%84%E5%B9%B3%E6%96%B9%E3%80%91%EF%BC%883%EF%BC%891.5%EF%BC%88a%2Bb%EF%BC%89n%E6%AC%A1%E6%96%B9%E2%80%94%E4%B8%89%E5%88%86%E4%B9%8B%E4%BA%8C%EF%BC%88a%E2%80%94b)
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