(1)1,7,12,24,31,47,50,( ),73,85,90,96 (2)3,6,21,42,84,69,291,483,( ),( )
问题描述：
(1)1,7,12,24,31,47,50,( ),73,85,90,96 (2)3,6,21,42,84,69,291,483,( ),( )
答
1+96=97
7+90=97
12+85=97
24+73=97
找到规律了吧!
3*2 6 6
6*2 12 21
12*2 24 42
24*2 48 84
48*2 96 69
96*2 192 291
192*2 384 483
可以了吧!自己解答吧!