如图,在梯形ABCD中,AD平行BC,AB=CD,分别以AB,CD为边向外作等边三角形ABE和等边三角形DCF,连接AF,DE...如图,在梯形ABCD中,AD平行BC,AB=CD,分别以AB,CD为边向外作等边三角形ABE和等边三角形DCF,连接AF,DE.(1),
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![如图,在梯形ABCD中,AD平行BC,AB=CD,分别以AB,CD为边向外作等边三角形ABE和等边三角形DCF,连接AF,DE...如图,在梯形ABCD中,AD平行BC,AB=CD,分别以AB,CD为边向外作等边三角形ABE和等边三角形DCF,连接AF,DE.(1),](/uploads/image/z/8622582-6-2.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%E5%B9%B3%E8%A1%8CBC%2CAB%3DCD%2C%E5%88%86%E5%88%AB%E4%BB%A5AB%2CCD%E4%B8%BA%E8%BE%B9%E5%90%91%E5%A4%96%E4%BD%9C%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2ABE%E5%92%8C%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2DCF%2C%E8%BF%9E%E6%8E%A5AF%2CDE...%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%E5%B9%B3%E8%A1%8CBC%2CAB%3DCD%2C%E5%88%86%E5%88%AB%E4%BB%A5AB%2CCD%E4%B8%BA%E8%BE%B9%E5%90%91%E5%A4%96%E4%BD%9C%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2ABE%E5%92%8C%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2DCF%2C%E8%BF%9E%E6%8E%A5AF%2CDE.%281%29%2C)
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