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chocotaco
2 năm trước
Cho tam giác ABC vuông tại A đườg phân giác BE. Kẻ EH vuông góc với BC (H thuộc BC) a) CM tam giác ABC= tam gíac HBE b) gọi k là giao điểm của AB và HE . CM EK=EC c) so sánh AE và EC Chỉ mik vs ạk có hình thì càg tốt
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