1,3,3,5,7,9,13,15(),()相邻奇数差为2,公差为2的等差数列
问题描述:
1,3,3,5,7,9,13,15(),()相邻奇数差为2,公差为2的等差数列
答
1,3,3,5,7,9,13,15(21),(23)
1,3,3,5,7,9,13,15(),()相邻奇数差为2,公差为2的等差数列
1,3,3,5,7,9,13,15(21),(23)