找规律填数0.1.4.15.64.( )添
问题描述:
找规律填数0.1.4.15.64.( )
添
答
255
答
325
答
是325;
(0+1)*1=1
(1+1)*2=4;
(4+1)*3=15;
(15+1)*4=64;
(64+1)*5=325;
答
最后一个数是325;
(0+1)*1;
(1+1)*2=4;
(4+1)*3=15;
(15+1)*4=64;
(64+1)*5=325;