题目内容：
在平面直角坐标系中，已知△ABC顶点A(-4，0)和C(4，0)，顶点B在椭圆 
参考答案：
答案解析：
填空题：在平面直角坐标系中，已知△ABC顶点A(-4，0)和C(4，0)，顶点B在椭圆
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