221、 【sedna】DS r是(m+1)(m-1)除以24的余数,问r (1)m不能被2整除 (2)m不能被3整除 【我有可能把几个DS的条件记岔了也不一定】 【jujugaoyan】221考到,答案确认C V2【yvonne0517】数学:m is an positive integer,r is the remainder of (m-1)(m+1) divided by 24,what is the value of r. (1) m is odd (2) m can not be divided by 3.