找规律:3,6,7,14,15,30,,.
找规律:3,6,7,14,15,30,,.
3,6,18,30,45,.找规律,找规律
找规律:0,1,2,3,6,7,14,15,30,,,63,64,128... ...
找规律0,1,2,3,6,7,14,15,30
1,2,3,6,7,14找数字规律
找规律;1-3-7-15-31-()
找规律:1,3,7,15,( ),63.
3、6、10、15、21找规律
1 3 6 10 15找规律
找规律填空1,3,6,( ),15,( )
找规律 1 2 2 5 3 14 4 30 5 55 6 91 7 140
找规律的数学题 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... ... 按此规律第N行有