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小測試
Author:
WMY_hk
1. 在下列各題中,根據已知圓心C和半徑r,寫出該圓的方程。
(a) C(1,2), r = 1 (b) C(-1, -2), r = 2 (c) C(0,0), r = 5
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2. 以下各式,哪些是圓的方程?
可使用下圖自行輸入方程驗證。(2次方:輸入^2)
Select all that apply
A
B
C
D
E
F
G
Check my answer (3)
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3. 寫下Q2各項圓的方程的圓心及半徑。
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