3,4,7,11,18,( ),( ) | | | | | | | 3+4=7 | | | | | | | | | | 4+7=11 | | | | | | | | 7+11=18 | | | | | | 11+18 = 29 | | | | 18+ 29= 47 答案: 3,4,7,11,18,(29 ),( 47)