Tìm ƯC (9,15)7/17Tìm ƯC\(\left( {9,15} \right)\)ƯC\(\left( {9,15} \right) = \left\{ {1;3} \right\}\);ƯC\(\left( {9,15} \right) = \left\{ {0;3} \right\}\); ƯC\[\left( {9,15} \right) = \left\{ {1;5} \right\}\]; ƯC\(\left( {9,15} \right) = \left\{ {1;3;9} \right\}\).Giải thíchA. ƯC\(\left( {9,15} \right) = \left\{ {1;3} \right\}\);