Quay lại câu hỏi

	2	sau		Sửa 24-06-16 08:22 PM Yêu Tatoo 1
típ câu c) nha c) CMR:$(AB.BC.CA) ^2\frac{a}{b}AA'^2$ . $CC'^2$ = 4ng minh r ng: ứằ4'CC'BB'AA)CABCAB( Giải tam giác típ câu c) nha c) CMR:(AB.BC.CA)^2\frac{a}{b}AA'^2 . CC'^2 = 4ng minh r ng: ứằ4'CC'BB'AA)CABCAB( Giải tam giác típ câu c) nha c) CMR:$(AB.BC.CA) ^2\frac{a}{b}AA'^2$ . $CC'^2$ = 4ng minh r ng: ứằ4'CC'BB'AA)CABCAB( Giải tam giác

	1	tạo mới
típ câu c) nha c) CMR:(AB.BC.CA)^2\frac{a}{b}AA'^2 . CC'^2 = 4ng minh r ng: ứằ4'CC'BB'AA)CABCAB(

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