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Bluebook试题5 · 第 20 题

Bluebook试题5 · 原库模块 1 · Q20 原库参考解析


\( \left(x+4\right)^2+\left(y-19\right)^2=121 \) 
The graph of the given equation is a circle in the \( xy \)-plane. The point (a, b) lies on the circle. Which of the following is a possible value for a?
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