⊙A,⊙B的圆心A,B在直线l上,两圆半径都为1cm,开始时圆心距AB=11cm,现⊙A以每秒2cm的速度自左向右运动,同时⊙B的半径也在不断增大,其半径r{cm}与时间t{s}之间的关系式为r=1+t{t大于等于0}1,求A,B
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![⊙A,⊙B的圆心A,B在直线l上,两圆半径都为1cm,开始时圆心距AB=11cm,现⊙A以每秒2cm的速度自左向右运动,同时⊙B的半径也在不断增大,其半径r{cm}与时间t{s}之间的关系式为r=1+t{t大于等于0}1,求A,B](/uploads/image/z/13349935-55-5.jpg?t=%E2%8A%99A%2C%E2%8A%99B%E7%9A%84%E5%9C%86%E5%BF%83A%2CB%E5%9C%A8%E7%9B%B4%E7%BA%BFl%E4%B8%8A%2C%E4%B8%A4%E5%9C%86%E5%8D%8A%E5%BE%84%E9%83%BD%E4%B8%BA1cm%2C%E5%BC%80%E5%A7%8B%E6%97%B6%E5%9C%86%E5%BF%83%E8%B7%9DAB%3D11cm%2C%E7%8E%B0%E2%8A%99A%E4%BB%A5%E6%AF%8F%E7%A7%922cm%E7%9A%84%E9%80%9F%E5%BA%A6%E8%87%AA%E5%B7%A6%E5%90%91%E5%8F%B3%E8%BF%90%E5%8A%A8%2C%E5%90%8C%E6%97%B6%E2%8A%99B%E7%9A%84%E5%8D%8A%E5%BE%84%E4%B9%9F%E5%9C%A8%E4%B8%8D%E6%96%AD%E5%A2%9E%E5%A4%A7%2C%E5%85%B6%E5%8D%8A%E5%BE%84r%EF%BD%9Bcm%7D%E4%B8%8E%E6%97%B6%E9%97%B4t%7Bs%7D%E4%B9%8B%E9%97%B4%E7%9A%84%E5%85%B3%E7%B3%BB%E5%BC%8F%E4%B8%BAr%3D1%2Bt%7Bt%E5%A4%A7%E4%BA%8E%E7%AD%89%E4%BA%8E0%EF%BD%9D1%2C%E6%B1%82A%2CB)
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