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首页>高中数学综合库>数列>等差数列与等比数列综合应用
题型:填空题 难度:0.65 引用次数:2699 更新时间:2018/11/27 21:54:42 题号:7217910
已知数列eqId719aa8138fdd47cb91c4910b9b814cad满足:eqIdea27c662cc62421a85139e34d783367a,则eqIdc2a77a2bacf64626ab599d01fd8c18c8_______.

类题推荐

【推荐1】已知数列eqId93e38ecd74a24cb59da79181b95bfd3aeqIdeeb4ca98872f4e6d91cea28f43fc0b63的前n项和分别为eqIddb5481de79c946c0a760143297d5eadeeqId92ed363a54bd4a8a93df9463bb3af1f5,且eqId75770b7fe9b64269879882f91403c1caeqId81a63c2233b84d00be9a15cc343d5211,若两个数列的公共项按原顺序构成数列eqId74ef5fe5183946caaee41d8974816a20,若eqId8216687ef008430c913a011627ee1cc5,则n的最大值为______.
更新:2020/02/15难度:0.65题型:填空题组卷:110
【推荐2】是公差不为零的等差数列,成等比数列,则             .
更新:2014/06/12难度:0.65题型:填空题组卷:2133
【推荐3】已知等比数列eqId93e38ecd74a24cb59da79181b95bfd3a的前eqIdf458db68122849abb588feb2e682d9ac项和为eqIddb5481de79c946c0a760143297d5eade,满足eqIdccc85e6897c74e6fafcf460bf045c4eceqIdc36de5c6d722440e9911d9802c4068f8eqId46fe695ac1364e0b8f15ae7574b49c11的等差中项.设eqId3a4208e0040c42ed8b09de2cae9d562e是整数若存在eqIdc6eb064e585047869654a88d40b00923,使得等式eqIdd6816e2b96614131aec8bd5e6875867b成立,则eqId3a4208e0040c42ed8b09de2cae9d562e的最大值是______.
更新:2019/10/05难度:0.65题型:填空题组卷:202