![](https://img.xkw.com/dksih/QBM/2011/10/17/1570318101053440/1570318106312704/STEM/f43d2849913a4a9dbb0686649064bd43.png?resizew=76)
10-11高三·贵州遵义·阶段练习 查看更多[1]
(已下线)2012届贵州省遵义四中高三第一次月考理科数学
更新时间:2016-12-01 00:43:16
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【推荐2】已知
展开式的二项式系数之和为32,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
____________ ,
展开式中
的系数是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35cbc2bba66668aab121d631cbe4a33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35cbc2bba66668aab121d631cbe4a33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f61526d17d59d9319fbebcb194da1910.png)
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