Đức Nguyễn
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Cho tam giác ABC.Tìm tập hợp các điểm M sao cho |format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22math12bba9f4124283edd644799e0ce%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%226.5%22%20y%3D%2224%22%3E%26%23x2192%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
MA+format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22math12bba9f4124283edd644799e0ce%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2210.5%22%20y%3D%2216%22%3E%26%23x2192%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
MB +format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22math15aaffbae8a48fc24f114ee4dcd%22%20font-size%3D%2212%22%20text-anchor%3D%22middle%22%20x%3D%226.5%22%20y%3D%228%22%3E%26%23x21C0%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2218.5%22%20y%3D%2219%22%3EM%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2231.5%22%20y%3D%2219%22%3EC%3C%2Ftext%3E%3C%2Fsvg%3E)
|=3
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15:05 21/09/2021
