专题一 复数测试卷
一、选择题
1.复数word/media/image1_1.png(word/media/image2_1.png是虚数单位)的虚部是( )
A.word/media/image3_1.png B.word/media/image4_1.png C. word/media/image5_1.png D.word/media/image6_1.png
2.定义运算(word/media/image7_1.png,word/media/image8_1.png)※(c,d)=word/media/image9_1.png-bd,则符合条件(z,1+2word/media/image10_1.png)※(1+word/media/image11_1.png,1-word/media/image12_1.png)=0的复数z的所对应的点在( )
A.第一象限 B.第二象限 C.第三象限 D.第四象限
3.复数word/media/image13_1.png等于( )
A. word/media/image14_1.png B.word/media/image15_1.png C.word/media/image16_1.png D.word/media/image17_1.png
4.复数word/media/image18_1.png的实部与虚部之和为( )
A.word/media/image19_1.png B.0 C.1 D.2
5.复数word/media/image20_1.png满足word/media/image21_1.png,其中word/media/image22_1.png为虚数单位,则word/media/image23_1.png( )
A. word/media/image24_1.png B. 1 C. word/media/image25_1.png D. word/media/image26_1.png
6.若复数word/media/image28_1.png(i是虚数单位)的实部和虚部相等,则实数a等于( )
A.-1 B.word/media/image29_1.png C.word/media/image30_1.png D.3
7.复数word/media/image31_1.png等于( )
A.3-4i B.5-4i C.3-2i D.5-2i
8.word/media/image32_1.png是虚数单位,复数word/media/image33_1.png等于( )
A.word/media/image34_1.png B.word/media/image35_1.png C.word/media/image36_1.png D.word/media/image37_1.png
9.word/media/image38_1.png为虚数单位,复平面内表示复数word/media/image39_1.png的点在( )
A.第一象限 B.第二象限 C.第三象限 D.第四象限
二、填空题
10.复数word/media/image40_1.png的值=____________.
11.已知word/media/image41_1.png是虚数单位,复数word/media/image42_1.png,则word/media/image43_1.png等于____________.
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