摘要:练习1.已知:如图.AD∥BC,AD=CB. C B 求证: △ADC≌△CBA 练习2.已知:如图.AD∥BC,AD=BC,AE=CF. 求证:△AFD≌△CEB 练习3.已知:如图.AB=AC,AD=AE, ∠1=∠2. 求证:△ADB≌△ACE
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