找规律-6,6,30,78,······
找规律-6,6,30,78,······
找规律1,3,2,6,4,12,(),(),16,48·····的规律怎么找
找规律填数,1·6·7·13·20·33·( )
找规律填数字 3,-6,9,() ,() ,·····
找规律:15,6,10,3·····后面呢?
找规律-3.9,-27,81,·····
【找规律】一列数0,-1,3,-6,10,-15,21,···按此规律第n个数为?
找规律3,6,11,18,27·····第n个数是___
找规律,急,····3,6,9,15,24,39,63,102.问第N个数是多少
找规律1,-2,3,-4,5,-6,7,-8···用n表示出来
找规律填数2,6,12,( ),30,(36)和 4,9,16,(),36,().答不出来呀,汗·······
3,6,18,30,45,.找规律,找规律