(4-10i)-(23-6i)?
回答 (3)
2008-01-17 9:18 pm
4 - 10 i - 23 + 6 i
- 19 - 4 i
- 19 - 4 i
2008-01-17 7:35 pm
(4 - 10i) - (23 - 6i)
= 4 - 10i - 23 + 6i
= 4 - 23 - 10i + 6i
= -19 - 10i + 6i
= -19 - (10i - 6i)
= -19 - 4i
= 4 - 10i - 23 + 6i
= 4 - 23 - 10i + 6i
= -19 - 10i + 6i
= -19 - (10i - 6i)
= -19 - 4i
收錄日期: 2021-05-01 01:31:35
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