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在如图所示的韦恩图中,AB均是非空集合,则阴影部分表示的集合为(   )
figure
A.eqIdc3994e420e294751951182eb13211762B.eqId577ef9501a184d3cb435e2d2d38d2cfeC.eqIdb71ef7a644a14cc4a369ba7c2b5aac29D.eqId770382c4032b422c8440570158970b9c
更新:2020/2/21难度:0.85题型:单选题组卷:43
设函数eqIda7da5ad8692c447fb3bea0d5e24d900d,若互不相等的实数eqIdd8882cc38d9946b3b8610cc683558a7a满足eqIddb2326b0b60f4023b4a5ff7f04dcd6e0,则eqIdce93eabac654497a9768129015f06061的取值范围是(   )
A.eqId4f31fc79faab4ad0940878e848b0bd99B.eqIdd058826b94324464bf62f282764b165eC.eqId7fd67e0cc2de4fd3ac79eaa6e4e20ca5D.eqId50bbf70196ce4c6084d8b1b7bdc7c902
更新:2020/2/21难度:0.4题型:单选题组卷:0
已知函数eqId4837c94ef0ff4dcf9b1dda4df363275a为定义在eqIdbf1b09db3731430e9bf69c2302ba9075上的偶函数,在eqId3a38395f01e941a8ba443c73b054ff57上单调递减,并且eqId3fa396f1b6484457b6fde9ccab4b602feqId5ff0de25d7574ea29c0e606ddf2b2c3f,求实数eqId3a4208e0040c42ed8b09de2cae9d562e的取值范围.
更新:2020/2/21难度:0.85题型:解答题组卷:0
已知函数eqId28c527cfa426418cb25285040f77d05ceqId7dcd2312d0bf4bb1befdfcc170e45791上的增函数,则eqId70a27b6ddf6b478285353abb3b1f3741的取值范围是(   )
A.eqId943d72baf5fe4962a7e03c847608020aB.eqIda204a138ac3b49f2b40c9933a653a451C.eqIdc6b7277be3b14b2397374397aa174740D.eqId41f04097a07d4d03941921a18fc42004
更新:2020/2/21难度:0.85题型:单选题组卷:0
已知全集eqIdffc98c6243b14037a5a4f546dc73c9b4,集合eqId901995d3f3fc40408216706d633d8a1b,集合eqIdf1d3c1684ccd4b2591e3526bacf57bd4.则下图的阴影部分表示的集合为(    )
figure
A.eqIdbdbd83dd07134985bcddc63d90046465B.eqId592bab35ba4441d78ca86828478b5a6bC.eqId35a7ed4ee2dd42a696c873e52917495cD.eqIde3c0689f9b9c42828a481d202b644bab
更新:2020/2/21难度:0.94题型:单选题组卷:0
已知集合eqId56cb0a9bbbd84ff7b97465a4cbb49699,eqIda023cbf2ea5348249200c4a2384e5e7d,若eqId90a84546341d4089b8f2f6b4f398f4ec,则实数eqId32454977564e4ee18da36bd51156c509的取值范围是(    )
A.eqIde327c47000b04c6daee727c47be19120B.eqId9b743ccafd2447b586cb682d77c8be2cC.eqId2634038e67f543e0a725ee3f8941f5eaD.eqId48aefe6d0c5145799fbe96897eab4bb6
更新:2020/2/21难度:0.94题型:单选题组卷:0
已知eqId5a4123404e054bdbab7bfccf4aa274e7则方程eqId4e7bbe8c4d6e46e0b927dd64ecbeaaf8的根为_________.
更新:2020/2/21难度:0.94题型:填空题组卷:0
已知集合eqId9ea67b9940454264995d52be9d991ed8,eqIdf37d7163e9fb4e369524e3465030ac3b
(1)当eqIdd78df7c3aa4747a4b868757aa0e4e3f5时,求eqId672f6a959ca046e1ac193e8e6d66be50.
(2)是否存在实数eqId70a27b6ddf6b478285353abb3b1f3741,使得eqIdc7ab4bc798a74d82a7e684bf09c505c0,说明你的理由;
(3)记eqIda158db0b17b743a595dcc479c27ba172eqId3fe482e0408e40cdba7a4140eb4be8d9中恰好有3个元素,求所有满足条件的实数eqId70a27b6ddf6b478285353abb3b1f3741的值.(直接写出答案即可)
更新:2020/2/21难度:0.85题型:解答题组卷:0
eqId4e47aa7b8f2b4853a8a6d49c01985b48,eqIda44c684229e3432faf023456753f76a2,eqIde0cf70c86f054fb98c8522bacea9c08a,则(    )
A.eqIdde23c9bee5f2497a98f967afa9b73a7aB.eqId45615ef0900647268b98d1d5eeb28a58C.eqIde20b3cdceb054975bbbb3a4598602bafD.eqId98df60d61acf40a38ea6e88af8316379
更新:2020/2/21难度:0.85题型:单选题组卷:0
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