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你在原点。敌人在 (10, 0) 。射击轨迹: y = mx 。敌人可以沿直线 x + y = 10 移动。 m 取何值时他刚好能拦截?
你在原点。敌人在 (10, 0) 。射击轨迹: y = mx 。敌人可以沿直线 x + y = 10 移动。 m 取何值时他刚好能拦截?
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