1. 10,2n+4
2. 16,4,5,n
3. 画图略。37,201,4n — 3(答案不唯一)
4. (1) 16,22,等差 (2) 192,384,等比
5. (1) 8,16 (2) 30,300 (3) 121,161051,1771561