覆數中4數學問題

🎓 學業台教學

[匿名]

2010-09-17 5:39 am

我要步驟

(3-4i)+(1+4i)

(2-7i)-(1+3i)

(2+i)-(7+i)+(6-i)

(4m-3i)+(6-mi)

回答 (2)

匿名

2010-09-17 5:43 am

✔ 最佳答案

(3-4i)+(1+4i)
= 3+1 +(4-4)i
= 4

(2-7i)-(1+3i)
= 2-1+(3-7)i
= 1-4i

(2+i)-(7+i)+(6-i)
= 2-7+6+(1-1-1)i
= 1-1i

(4m-3i)+(6-mi)
= 4m+6-(3+m)i

參考: Hope the solution can help you^^”

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己式庚辛

2010-09-18 11:38 am

"覆數"係解 "查核答案"; "複數"係imaginary number, 即係你問嘅問題.

不過好驚訝中四syllabus 會有複數...

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