职教组卷基于海量职教高考试题库建立的在线组卷及学习系统
职教组卷
  • 题型:解答题 题类:期中考试 难易度:较易

    设\((2x{-}1)^{5}{=}a_{0}{+}a_{1}x{+}a_{2}x^{2}{+…}a_{5}x^{5}\),求:
        \((1)a_{0}{+}a_{1}{+…+}a_{5}\);
        \((2){|}a_{0}{|+|}a_{1}{|+…+|}a_{5}{|}\);
        \((3)a_{1}{+}a_{3}{+}a_{5}\);
        \((4)(a_{0}{+}a_{2}{+}a_{4})^{2}{-}(a_{1}{+}a_{3}{+}a_{5})^{2}\).
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