試解

回答: 找等差數列貧論貧論2025-11-10 07:48:10

Let b=2025!
a1= 1/b, a2=2/b, ... a2025=2025/b

obviously, any item can reduce to the form of a(n)= 1/xxx.

所有跟帖: 

厲害 -貧論貧論- 給 貧論貧論 發送悄悄話 (0 bytes) () 11/11/2025 postreply 06:38:51

請您先登陸,再發跟帖!