(A) (7, 10, 2, 5, 4)->(7, 10, 2, 5, 4)->(2, 7, 10, 5, 4)->(2, 5, 7, 10, 4)->(2, 4, 5, 7, 10)
(B) (7, 10, 2, 5, 4)->(2, 7, 10, 5, 4)->(2, 4, 7, 10, 5)->(2, 4, 5, 7, 10)->(2, 4, 5, 7, 10)
(C) (7, 10, 2, 5, 4)->(7, 10, 2, 4, 5)->(2, 4, 5, 7, 10)
(D) (7, 10, 2, 5, 4)->(7, 2, 5, 4, 10)->(2, 4, 5, 7, 10)
答案:A
点点赞赏,手留余香
给TA打赏
評論0