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数学
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如图,∠BDA=∠CEA,AE=AD.求证:AB=AC.
人气:262 ℃ 时间:2020-02-24 00:32:37
解答
证明:在△ABD和△ACE中,
∠A=∠A
AD=AE
∠BDA=∠CEA
,
∴△ABD≌△ACE(ASA),
∴AB=AC.
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