About de cuong giua hk 1 toan 10

(start off array l Rightarrow sin Acos C + sin Ccos A = 2cos Asin C Leftrightarrow sin Acos C = cos Asin C;(*)conclusion array )T?t C?200 ?? Thi Th? T?t Nghi?p V?t Lí 2025V?t Lí 12V?t Lí 11V?t Lí 10V?t Lí L?p 9V?t Lí L?p 8V?t Lí L?p 7V?t Lí L?p sixT?t C?two hundred ?? Thi Th? Môn Sinh 2025Sinh H?c L?p 12Sinh H?c L?p 11Sinh H?c L?p 10Sinh H

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