如图,在Rt三角形ABC中,AC=60cm,CB=80cm如图,在RT△ABC中,AC=60cm,CB=80cm,∠C=90°.点P从点C开始沿CA边向点A以每秒3cm的速度运动,同时另一点Q从点C开始沿CB边向点B以每秒4cm的速度运动,问经过几秒两点相距
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![如图,在Rt三角形ABC中,AC=60cm,CB=80cm如图,在RT△ABC中,AC=60cm,CB=80cm,∠C=90°.点P从点C开始沿CA边向点A以每秒3cm的速度运动,同时另一点Q从点C开始沿CB边向点B以每秒4cm的速度运动,问经过几秒两点相距](/uploads/image/z/1601801-17-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8Rt%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2CAC%3D60cm%2CCB%3D80cm%E5%A6%82%E5%9B%BE%2C%E5%9C%A8RT%E2%96%B3ABC%E4%B8%AD%2CAC%3D60cm%2CCB%3D80cm%2C%E2%88%A0C%3D90%C2%B0.%E7%82%B9P%E4%BB%8E%E7%82%B9C%E5%BC%80%E5%A7%8B%E6%B2%BFCA%E8%BE%B9%E5%90%91%E7%82%B9A%E4%BB%A5%E6%AF%8F%E7%A7%923cm%E7%9A%84%E9%80%9F%E5%BA%A6%E8%BF%90%E5%8A%A8%2C%E5%90%8C%E6%97%B6%E5%8F%A6%E4%B8%80%E7%82%B9Q%E4%BB%8E%E7%82%B9C%E5%BC%80%E5%A7%8B%E6%B2%BFCB%E8%BE%B9%E5%90%91%E7%82%B9B%E4%BB%A5%E6%AF%8F%E7%A7%924cm%E7%9A%84%E9%80%9F%E5%BA%A6%E8%BF%90%E5%8A%A8%2C%E9%97%AE%E7%BB%8F%E8%BF%87%E5%87%A0%E7%A7%92%E4%B8%A4%E7%82%B9%E7%9B%B8%E8%B7%9D)
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