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        1. 9.5展開(kāi)式中各項(xiàng)系數(shù)絕對(duì)值之和是 查看更多

           

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          (2x-1)5展開(kāi)式中各項(xiàng)系數(shù)絕對(duì)值之和是________

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          求(2x-1)5的展開(kāi)式中
          (1)各項(xiàng)系數(shù)之和;
          (2)各項(xiàng)的二項(xiàng)式系數(shù)之和;
          (3)偶數(shù)項(xiàng)的二項(xiàng)式系數(shù)之和;
          (4)各項(xiàng)系數(shù)的絕對(duì)值之和;
          (5)奇次項(xiàng)系數(shù)之和.

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          求(2x-1)5的展開(kāi)式中

          (1)各項(xiàng)系數(shù)之和;

          (2)各項(xiàng)的二項(xiàng)式系數(shù)之和;

          (3)偶數(shù)項(xiàng)的二項(xiàng)式系數(shù)之和;

          (4)各項(xiàng)系數(shù)的絕對(duì)值之和;

          (5)奇次項(xiàng)系數(shù)之和.

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          求(2x-1)5的展開(kāi)式中
          (1)各項(xiàng)系數(shù)之和;
          (2)各項(xiàng)的二項(xiàng)式系數(shù)之和;
          (3)偶數(shù)項(xiàng)的二項(xiàng)式系數(shù)之和;
          (4)各項(xiàng)系數(shù)的絕對(duì)值之和;
          (5)奇次項(xiàng)系數(shù)之和.

          查看答案和解析>>

          求(2x-1)5的展開(kāi)式中
          (1)各項(xiàng)系數(shù)之和;
          (2)各項(xiàng)的二項(xiàng)式系數(shù)之和;
          (3)偶數(shù)項(xiàng)的二項(xiàng)式系數(shù)之和;
          (4)各項(xiàng)系數(shù)的絕對(duì)值之和;
          (5)奇次項(xiàng)系數(shù)之和.

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