1.Which letter comes next?A,C ,F ,J .2.Which number comesnext?2 ,5 ,11 ,23 .

问题描述:

1.Which letter comes next?A,C ,F ,J .2.Which number comesnext?2 ,5 ,11 ,23 .

A(B)C(DE)F(GHI)J(KLMN)O 所以应该是O
2+3=5 5+6=11 11+12=23 23+(2*12)=47 所以应该是47