登入
Mathematics for IGCSE & O level - Sequences (Section 4 - No. 45)
The sequence has a first term of 1 and the term-to-term rule is 'add 6'. What is the fourth term?
19
20
22
23
解释
The sequence is 1, 7, 13, 19. The fourth term is 19.
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面