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2019年黑龙江省东南联合体高二下学期期末考试数学(文)试题
适用年级:高二 试卷类型:期末 试题总数:23 浏览次数:46 上传日期:2019-09-26
1 . 设集合eqIdd0e10ee43781436ba143cfc902b507e5eqId5a6ce7e3247c4cc58f03f5135fcf1cc8 ,eqIdb9573b46e1ce476c8d0d00bf05bbf9da ,则eqIdfe056b66e8ff4cd08291953caef7273c
A.{2}B.{2,3}C.{-1,2,3}D.{1,2,3,4}
更新:2020/07/14难度:0.94题型:单选题组卷:5266
2 . 已知复数eqId7bb402c3b96d4274ad40619aa2779445,则eqId2cd9e2fe3d6540df9399dbefe49ada54的共轭复数eqIdc4f6339df5e94be1af1552f2b014e86b()
A.eqIde941f065d752479c9ce3a92ab47f59b3B.eqId0a52358b494c45a4a53e40dacaedb6a3C.eqId944c95e7bccb470f8d476af35df96462D.eqIdf53c00546ca647bd9f5c80dfaef0fbbb
更新:2020/06/18难度:0.85题型:单选题组卷:344
3 . 已知平面向量eqId5f0309c1cd474ff8872b1b453dcbd5a9eqId70c471a2d2214a65bef11303f288dbe9,若向量eqId324e7abfe8094825a8d1af58cca25cf9与向量eqId26d0383ebc3f44c2984e80b88390a5f5共线,则x=( )
A.eqIda8012d5322b240128851ebf3cd086e12B.eqId767acf51abfd4d97a757561d1a882151C.eqIdaf22e0e393474044907f7074dad72e76D.eqId7c98f34b1960465fb918fa701b1c9ee7
更新:2020/08/01难度:0.94题型:单选题组卷:919