\(a,42=2\cdot3\cdot7\\ 98=2\cdot7^2\\ \RightarrowƯCLN\left(42,98\right)=14\\ \RightarrowƯC\left(42,98\right)=Ư\left(14\right)=\left\{1;2;7;14\right\}\\ b,63=3^2\cdot7\\ 105=3\cdot5\cdot7\\ \RightarrowƯCLN\left(63,105\right)=21\\ \RightarrowƯC\left(63,105\right)=Ư\left(21\right)=\left\{1;3;7;21\right\}\)
Đúng 1
Bình luận (0)