如图,直线AM垂直AN,AB平分角MAN,过点B作BC垂直BA交AN与点C如图,直线AM垂直AN,AB平分角MAN,过点B作BC垂直BA交AN与点C;两动点E,D同时从A点出发,其中动点E以2cm/s的速度沿射线AN方向运动,动点D以1cm/s的速
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![如图,直线AM垂直AN,AB平分角MAN,过点B作BC垂直BA交AN与点C如图,直线AM垂直AN,AB平分角MAN,过点B作BC垂直BA交AN与点C;两动点E,D同时从A点出发,其中动点E以2cm/s的速度沿射线AN方向运动,动点D以1cm/s的速](/uploads/image/z/10342113-33-3.jpg?t=%E5%A6%82%E5%9B%BE%2C%E7%9B%B4%E7%BA%BFAM%E5%9E%82%E7%9B%B4AN%2CAB%E5%B9%B3%E5%88%86%E8%A7%92MAN%2C%E8%BF%87%E7%82%B9B%E4%BD%9CBC%E5%9E%82%E7%9B%B4BA%E4%BA%A4AN%E4%B8%8E%E7%82%B9C%E5%A6%82%E5%9B%BE%2C%E7%9B%B4%E7%BA%BFAM%E5%9E%82%E7%9B%B4AN%2CAB%E5%B9%B3%E5%88%86%E8%A7%92MAN%2C%E8%BF%87%E7%82%B9B%E4%BD%9CBC%E5%9E%82%E7%9B%B4BA%E4%BA%A4AN%E4%B8%8E%E7%82%B9C%3B%E4%B8%A4%E5%8A%A8%E7%82%B9E%2CD%E5%90%8C%E6%97%B6%E4%BB%8EA%E7%82%B9%E5%87%BA%E5%8F%91%2C%E5%85%B6%E4%B8%AD%E5%8A%A8%E7%82%B9E%E4%BB%A52cm%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E6%B2%BF%E5%B0%84%E7%BA%BFAN%E6%96%B9%E5%90%91%E8%BF%90%E5%8A%A8%2C%E5%8A%A8%E7%82%B9D%E4%BB%A51cm%2Fs%E7%9A%84%E9%80%9F)
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