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已知复数eqIdff8999808e16446cac5ebce00feedf44i为虚数单位,eqIdca4ab76061b14cdfbb5b2cb8cf37b9c0),若eqId54288e62f28b46b39f7aed80b1075449,则eqId783c5f01aa1e49b29f88c27d2eca4354(   )
A.4B.2C.eqIdfb1a9e8b2c5e459285cb49c7286f3764D.eqId30c998d35a344d80a18e14a8c8f2d14f
更新:2020/07/08难度:0.85题型:单选题组卷:0
eqId70a27b6ddf6b478285353abb3b1f3741为实数,复数eqId4707919992eb48bdad740cc8f96bfde5在复平面上位于第四象限,且eqId29aa2a3d095c4e4ebd8f90e304af9ed4,则eqId783c5f01aa1e49b29f88c27d2eca4354(   )
A.eqId6a802b6dfc63409ea3b8e335120efdbaB.eqIdfca343da1efc413487359c1551da9dbeC.1D.2
更新:2020/07/07难度:0.85题型:单选题组卷:0
已知eqId6fc94f6e181444c6b809fb393eb8fae6,当复数eqId9a1ac7903d3241f0b04e1277fd08106d的模长最小时,eqId2cd9e2fe3d6540df9399dbefe49ada54的虚部为(   )
A.eqId65021072e3ee4edc934739d219c8c5e2B.2C.eqId30c998d35a344d80a18e14a8c8f2d14fD.eqId3cdb4106a42f4cd98ae0edb52199c45d
更新:2020/07/05难度:0.85题型:单选题组卷:0
复数eqId2cd9e2fe3d6540df9399dbefe49ada54满足:eqId5395e0d0ed1841f09cecfd709d7a5ef4(其中eqId982da3835b7946d999cc8604a2ece266eqIdb6e15e51d29a47a7aff44f98b1aafaee为虚数单位),eqIdbb1693cb2e9745bf96b22d099e4c39a7,则eqId783c5f01aa1e49b29f88c27d2eca4354________;复数eqId2cd9e2fe3d6540df9399dbefe49ada54的共轭复数eqId1908f85d97cd4b3cbaa7600548b5c464在复平面上对应的点在第________象限.
更新:2020/07/05难度:0.85题型:双空题组卷:0
已知eqId4f3b088061b74b91800ceb300f29522beqId4b143fb0b6bd48c3b8db24a8a95343f3均为复数,下列四个命题中,为真命题的是(   )
A.eqId4303dadeafb34277a44f5c2326f6bd2f
B.若eqId6fd04e8abd99494399f280d8bfd35461,则eqId4b143fb0b6bd48c3b8db24a8a95343f3的取值集合为eqIdb5627157b6ae490a912f9dac44f9fae2eqIdb6e15e51d29a47a7aff44f98b1aafaee是虚数单位)
C.若eqId5e475669d1e044aab9b90baffd58cf91,则eqId8759257d733d49eab406078acf229749eqId7d20771d20db4b41b78adf370d06b1b1
D.eqId582c5f05f75e4a44a8cdfa13873c9d85一定是实数
更新:2020/07/04难度:0.65题型:单选题组卷:248