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题型:综合题 题类:常考题 难易度:困难
广东省汕头市澄海区2021-2022学年八年级上学期期末数学试题
求证:△AEC≌△BED;
①AB = DE, BC = EF, AC = DF; ②AB = DE, ∠B = ∠E, BC = EF;
③∠B = ∠E, BC = EF, ∠C = ∠F; ④AB = DE, AC = DF, ∠B = ∠E.
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