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martiancva2005
2 năm trước
CHO GIẢ THIẾT KẾT LUẬT LÀM BÀI SAU GT TAM GIÁC ABC M,N TRUNG ĐIỂM AB,AC QUA A KẺ ĐƯỜNG THẲNG d SONG SONG BC BM, CN CẮT ĐƯỜNG THẲNG d TẠI K,H KL A, MK = MB? B, AK=AH? C, AB = KC ? ( NÊU ĐC THÌ VẼ HÌNH LUÔN, AI VẼ HÌNH CHO CTLHN )
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