如图,直角梯形abcd中,ad//bc,角abc=90度,已知ad=ab=3,bc=4,动点p从b点出发,沿线段bc向点C做匀速运动:动点Q从点D出发,沿线段da向点a 做匀速运动.过点Q垂直于ad的射线交ac于点M,交bc于点N,p,Q 两点同时
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![如图,直角梯形abcd中,ad//bc,角abc=90度,已知ad=ab=3,bc=4,动点p从b点出发,沿线段bc向点C做匀速运动:动点Q从点D出发,沿线段da向点a 做匀速运动.过点Q垂直于ad的射线交ac于点M,交bc于点N,p,Q 两点同时](/uploads/image/z/8644331-11-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E7%9B%B4%E8%A7%92%E6%A2%AF%E5%BD%A2abcd%E4%B8%AD%2Cad%2F%2Fbc%2C%E8%A7%92abc%3D90%E5%BA%A6%2C%E5%B7%B2%E7%9F%A5ad%3Dab%3D3%2Cbc%3D4%2C%E5%8A%A8%E7%82%B9p%E4%BB%8Eb%E7%82%B9%E5%87%BA%E5%8F%91%2C%E6%B2%BF%E7%BA%BF%E6%AE%B5bc%E5%90%91%E7%82%B9C%E5%81%9A%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%EF%BC%9A%E5%8A%A8%E7%82%B9Q%E4%BB%8E%E7%82%B9D%E5%87%BA%E5%8F%91%2C%E6%B2%BF%E7%BA%BF%E6%AE%B5da%E5%90%91%E7%82%B9a+%E5%81%9A%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8.%E8%BF%87%E7%82%B9Q%E5%9E%82%E7%9B%B4%E4%BA%8Ead%E7%9A%84%E5%B0%84%E7%BA%BF%E4%BA%A4ac%E4%BA%8E%E7%82%B9M%2C%E4%BA%A4bc%E4%BA%8E%E7%82%B9N%2Cp%2CQ+%E4%B8%A4%E7%82%B9%E5%90%8C%E6%97%B6)
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