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共找到 458 与Ix-1I 相关的结果，耗时0 ms
复数z=1+1i的共轭复数是（）A．-1-iB．-1+iC．1-iD．1+i
其他
设复数z=1-1i（其中i为虚数单位），则z2为（）A．1+iB．2iC．2+2iD．-2i
其他
复数i−1i+1（i为虚数单位）等于（）A．1B．-1C．iD．-i
其他
若i为虚数单位，1i+1i3+1i5+1i7+1i9=（）A.0B.-5iC.-2iD.-i
数学
如何求复数的逆矩阵?比如A=[1i][-i2]A的逆怎么求呢?用行初等变换法求出来结果不对呀.
数学
1I,mverytiredthesedaysbecauseofstudyingforphysics.Alistento;realxingBlisten;relax2I,vejustborrowedaCDplayer,butIdon,tknowYOUcanreadthe
英语
I don,t know
1I'mhungry.I'dlike(eat)somefood.2Whatabout(have)somehotdogs?3therearesome(fish)inthebottle.4Howmany(piece)ofbreaddoyouhave?5He'dlikeano
英语
many ______(pi
使句子完整1I'mverybusyonSundays.Iharetohaveaguitarl()outside.2BillGatesthinkstherichpeopleneedtohelptheP()people.3-Worldyoulikesomepotatochi
英语
-World you lik
根据句意用适当单词填空.1I'dlikeahumburgerwithpotatochips.What[]you?2Pleasegivemesomething[]drink.3How[]greenpeppersinthefridge.4How[]icedteadoweha
英语
4 How []iced t
一1I'dlikeapizzalemoncurdonit.AhasBhaveCandDwith2Weeatandeveryday.Aonions,hotdog.Bonions,hotdogs.Conion,hotdogsDonionhotdog3Theyhavepota
英语
s.C onion,hot
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