If k is a multiple of 5, what is the remainder when k is divided by 6? 1). When k is divided by 4, the remainder is 3 2). When k is divided by 12, the remainder is 3 讨论:B;k=5n, 条件1,K=4k+3,
so k=20m+15,
不成立,条件2,k=12b+3, so k=60a+15, 余数是3 像着一类so k=20m+15的通项公式都是怎么求得的?????请求大家指点!!!
像着一类so k=20m+15的通项公式都是怎么求得的?????请求大家指点!!! |