首页>知识点选题>根据集合的包含关系求参数
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| 共计 2047 道试题
单选题 | 较易(0.85) | 2020·陕西省洛南中学月考(理)
已知集合eqIdcc8880e3c0774498ba84d602d37d4afeeqId514427b63e754854bc2dcc7cd6dfc7d6,若eqId5708183981f3453bbefb6b72d046bfb4,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围为(   )
A.eqId3c97a3ab3812488a9e5e850a30393644B.eqId5b2b2750d5bd440791655439eb448812C.eqId9b743ccafd2447b586cb682d77c8be2cD.eqId77d842f9f8f54154a330e3f1e36af13f
已知集合eqId6521e144417d49a3969caa71f69d4d07eqId5d925b2d533d4d0f8498cbceea6bcc99.
(1)当eqId06cc9b4949ce4809a05ce82e20fa6282时,求eqIde9996830b0b248aaa0c169e3f177206e
(2)若eqId6e0e6080e543409e84586bc262ef9164,求实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围.
填空题 | 容易(0.94) | 2020·平陆中学开学考试
已知eqId55d55b6bb174468fa5079f56459267a6ÜeqIdc719b7181f144bc08d294b71d5549e79,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是______.
eqIdd09cfd072a704139a0da54f261e9936feqIdf575a07e45ad4db2bea04c145428fa57,若eqId5708183981f3453bbefb6b72d046bfb4,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是(   )
A.eqId1158ac6c98224db891b00134c5a996d5B.eqIddd23986c0de649059b5879983edba779C.eqIda7a5d0cd20d1447fa5bb5ecf0cc44947D.eqIdba78a23edc8a4f839fb75506dcef287b
设集合eqId1fb8450a394542b6a60c81abd04cabb4eqId6fc08ab92ff54d678c6ec509a3f9fdaa,则使eqId4ba4d0833b3746cdac653347b9d6e75d成立的eqId70a27b6ddf6b478285353abb3b1f3741的值是(   )
A.eqIdfca343da1efc413487359c1551da9dbeB.eqIda86879ae304449a4a6e6461c485a1f13C.eqId37705e1ef6a84bbdbe88433e75932cdfD.eqIdfca343da1efc413487359c1551da9dbeeqId37705e1ef6a84bbdbe88433e75932cdf
填空题 | 一般(0.65) | 2020·四川仁寿一中开学考试
解题方法
|同步
已知集合eqIdcb1fd16f9a574b7dae7b4e9feae32c5f,若eqId4ba4d0833b3746cdac653347b9d6e75d,则实数eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是______.