抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10 B8 C4 D16
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![抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10 B8 C4 D16](/uploads/image/z/3815551-55-1.jpg?t=%E6%8A%9B%E7%89%A9%E7%BA%BFy%26%23178%3B%3D12x%E4%B8%8A%E4%B8%80%E7%82%B9M%E5%88%B0%E7%84%A6%E7%82%B9%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA8%E5%88%99M%E5%88%B0%E5%87%86%E7%BA%BF%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA%28+%29+A10%E6%8A%9B%E7%89%A9%E7%BA%BFy%26%23178%3B%3D12x%E4%B8%8A%E4%B8%80%E7%82%B9M%E5%88%B0%E7%84%A6%E7%82%B9%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA8%E5%88%99M%E5%88%B0%E5%87%86%E7%BA%BF%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA%28+%29+A10+B8+C4+D16)
抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10 B8 C4 D16
抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10
抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10 B8 C4 D16
抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10抛物线y²=12x上一点M到焦点的距离为8则M到准线的距离为( ) A10 B8 C4 D16
B
D
b