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数学:第三章《数系的扩充与复数的引入》测试(1)(新人教A版选修1-2)-(10440)_图文

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1-2

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2
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1 3 i 44

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3

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- 1 - 4

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2
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2
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( 21) (24)

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(3 4) 2

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15

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-2- 4
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x

2 y
2

72
2 -3-

4

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z

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2 72 i
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-4- 4
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