1.5,6,19,17,( ),-55;2.3,-1,8,9,73,( );3.13,22,37,58,( );4.15,7,17,( ),22,112;5.2,9,82,1025,( );6.6,7,19,33,71,( );7.0,5,

1.5,6,19,17,( ),-55;2.3,-1,8,9,73,( );3.13,22,37,58,( );4.15,7,17,( ),22,112;5.2,9,82,1025,( );6.6,7,19,33,71,( );7.0,5,8,17,24,( );8.3,8/9,7/27,2/27( );9.12,17,18,19,( )10.1220,1232,1244,1256,1272,1280,( );问题补充没有选项(因为是朋友用短信发给我的),1.344;2.154;3.75;4.20;5.15626;6.137;7.36;8.5/243;9.20;10.1296.