If k is a positive integer,which of the following must represent an even integer that is twice the value of an odd integer答案是4k+2

If k is a positive integer,which of the following must represent an even integer that is twice the value of an odd integer答案是4k+2
If k is a positive integer,which of the following must represent an even integer that is twice the value of an odd integer
答案是4k+2

If k is a positive integer,which of the following must represent an even integer that is twice the value of an odd integer答案是4k+2
两倍奇数 2（2k+1）