→ suhorng :(1) (a_{n+1}-1) = 3(a_n - 1) 11/24 23:07
→ suhorng :(2) 2a_{n+1}-4=a_n-2 => 2(a_{n+1} - 1) = a_n - 2 11/24 23:08
→ a21802 :高一喔 就直接列出來找規律阿@@ 11/24 23:08
→ suhorng : - 2, 打錯 11/24 23:08
推 PaulErdos :方法已經寫在 3. (2) 了 11/24 23:44