... (1) x := (1, 2)y := (1, 2, 3) rõ r t óx2 =1 2 32 1 31 2 32 1 3 =1 2 31 2 3= id y2 =1 2 32 3 11 2 32 3 1= 1 2 33 1 2 =1 3 2xy =1 2 32 1 31 2 32 3 1= 1 2 31 3 2=2 3yx =1 2 32 3 11 2 32 1 3 =1 2 33 2 1= 1 ... 1= 1 3S húa bi Trung tõm Hc liu i hc Thỏi Nguyờn http://www.Lrc-tnu.edu.vnxyx =1 2 32 1 31 2 32 3 11 2 32 1 3 =1 2 32 3 1= 1 2 3y3 =1 2 33 2 11 2 33 2 11 2 33 2 1= 1 2 31 ... ✶✳✸✳✹✳ ❈❤♦ n = 3 ✈×3 = 1 + 1 + 13 = 2 + 13 = 3♥➟♥ n = 3 ❝ã ♣❤➞♥ ❤♦➵❝❤ ❧➭ (1, 1, 1) ❀ (2, 1) ❀ (3)✳ ❙✉② r❛ S3❝ã ❜❛ ❧í♣ ❧✐➟♥❤î♣ ❧➭✿C1= {id}C2= { (1, 2), (2, 3), (3, 1) }C3= { (1, 2, 3), (1, 3, 2)}✳Số hóa...