如图,AB=AC,AD=AE,BE=CD,(1)求证:∠BAC=∠EAD;(2)求证∠BDC=∠EAD(3)写出∠1、∠2、∠3之间的数量关系,并证明
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![如图,AB=AC,AD=AE,BE=CD,(1)求证:∠BAC=∠EAD;(2)求证∠BDC=∠EAD(3)写出∠1、∠2、∠3之间的数量关系,并证明](/uploads/image/z/10155106-10-6.jpg?t=%E5%A6%82%E5%9B%BE%2CAB%3DAC%2CAD%3DAE%2CBE%3DCD%2C%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9A%E2%88%A0BAC%3D%E2%88%A0EAD%EF%BC%9B%282%29%E6%B1%82%E8%AF%81%E2%88%A0BDC%3D%E2%88%A0EAD%283%EF%BC%89%E5%86%99%E5%87%BA%E2%88%A01%E3%80%81%E2%88%A02%E3%80%81%E2%88%A03%E4%B9%8B%E9%97%B4%E7%9A%84%E6%95%B0%E9%87%8F%E5%85%B3%E7%B3%BB%2C%E5%B9%B6%E8%AF%81%E6%98%8E)
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