2019-2020
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2-2
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(1)
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1
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2
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锛?/p>
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1
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2
銆佸鏁板姞銆佸噺娉曟硶鍒欙細
3
銆佸鏁扮殑涔樻硶锛?/p>
4
銆佷緥棰?/p>
渚?/p>
1
銆?/p>
璁＄畻
(1)
锛?/p>
5-6i
锛?/p>
+
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-2-i
锛?/p>
-
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3+4i
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(2)
(1-2i)(3+4i)(-2+i)
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2
銆?/p>
姹傦紟
灏忕粨锛?/p>
锛?/p>
1
锛?/p>
a
2
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2
鐨勫洜寮忓垎瑙?/p>
锛?/p>
2
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鍏辫江澶嶆暟
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3
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