如图,在三角形ABC中,AB=AC,角BAC=120°,D,E是边BC上的点,角DAE=60°问DE,BD,EC是否能组成三角形?为什么?
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![如图,在三角形ABC中,AB=AC,角BAC=120°,D,E是边BC上的点,角DAE=60°问DE,BD,EC是否能组成三角形?为什么?](/uploads/image/z/4014884-20-4.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2CAB%3DAC%2C%E8%A7%92BAC%3D120%C2%B0%2CD%2CE%E6%98%AF%E8%BE%B9BC%E4%B8%8A%E7%9A%84%E7%82%B9%2C%E8%A7%92DAE%3D60%C2%B0%E9%97%AEDE%2CBD%2CEC%E6%98%AF%E5%90%A6%E8%83%BD%E7%BB%84%E6%88%90%E4%B8%89%E8%A7%92%E5%BD%A2%3F%E4%B8%BA%E4%BB%80%E4%B9%88%3F)
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