考试数学题,1.已知复数z=1-i,则z^2/z-1=(A)2 (B)-2 (C)2i (D)-2i2.已知全集U={-1,0,1,2},集合A={-2,2},B={0,2},则(CuA)交于B= (A){0} (B){2} (C){0,1,2} (D){空集}

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$考试数学题,1.已知复数z=1-i,则z^2/z-1=(A)2 (B)-2 (C)2i (D)-2i2.已知全集U={-1,0,1,2},集合A={-2,2},B={0,2},则(CuA)交于B= (A){0} (B){2} (C){0,1,2} (D){空集}$

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考试数学题,1.已知复数z=1-i,则z^2/z-1=(A)2 (B)-2 (C)2i (D)-2i2.已知全集U={-1,0,1,2},集合A={-2,2},B={0,2},则(CuA)交于B= (A){0} (B){2} (C){0,1,2} (D){空集}
考试数学题,
1.已知复数z=1-i,则z^2/z-1=
(A)2 (B)-2 (C)2i (D)-2i
2.已知全集U={-1,0,1,2},集合
A={-2,2},B={0,2},则(CuA)交于B=
(A){0} (B){2} (C){0,1,2} (D){空集}

考试数学题,1.已知复数z=1-i,则z^2/z-1=(A)2 (B)-2 (C)2i (D)-2i2.已知全集U={-1,0,1,2},集合A={-2,2},B={0,2},则(CuA)交于B= (A){0} (B){2} (C){0,1,2} (D){空集}
A A

一道数学题(复数)已知复数z满足:|z|-z=1-i,试求z. 已知复数Z满足|Z-2|=1,则|Z+2i|的最小值.求解一条简单数学题已知复数Z.=3+2i 复数z满足Z.*z=3z+Z.则复数z等于? 已知复数z+|z|=1+i,则1+z/1-z= 已知复数z=1-i,则z的平方-2z/z-1=? 已知复数z满足|z|-共轭复数z=1-2i,求复数z 已知Z-|Z|=-1+i,求复数Z 已知复数|z|=1+3i-z,求z? 复数z的共轭复数为-z,已知z=2i/1-i,则z×-z=?题中-z即z上加一横的表示! 已知复数z=1-i,则|z- z的共轭复数|的值为已知复数z满足z*z-3i*z=1+3i,求z 已知复数z满足z-1=2（z+2i）,则z*z（z“为z的公厄复数）的值为已知复数2/z=1-i,则复数z的共轭复数等于已知复数Z满足(1+i)Z=1+根号3i,则|Z|= 已知若复数z满足z=1+2i/i,则z= 已知复数z满足z*i=1-2i,则z= 已知复数z满足z*i=1+i,则z= 已知复数Z满足(1+√3i)Z=1+i,则|Z|等于?