2.4,3/2,20/27,7/16,36/125,( )A.39/144 B.11/54 C.68/196 D.7

2.4,3/2,20/27,7/16,36/125,( )A.39/144 B.11/54 C.68/196 D.7 4,3/2,20/27,7/16,36/125,( 数列分析 怎么去思考 4,3/2,20/27,7/16,36/125 4,3/2,20/27,7/16,36/125,( A.39/144 B.11/54 C.68/196 D.7 4,3/2,20/27,7/16,36/125,()A.39/144 B.11/54 C.68/196 D.7 六年级的《探索规律》题1.1/3,2/3,）8/3,16/3,）2.4/5,2/5,1/5,1/10,）,）3.5,1,）,1/25,1/125,）4.1/2,3/4,9/8,27/16,）,）二.计算1.1/2+1/6+1/12+1+20+1/30+1/42+1/562.1×1/3+1/3×1/5+1/5×1/7+1/7×1/9+1/9×1/11三.把下列数字按某 4,3/2,20/27,7/16,36/125,( )4,3/2,20/27,7/16,36/125,( A.39/144 B.11/54 C.68/196 D.7 1.按规律在（）里填上适当的数（最好说出规律）1/6,1/2,( ),9/2,27/2,( ).4 ,1 ,( ),1/16,1/64,( ).1/2,3/4,9/8,27/16,( ),( ),( ).1/4,4./9,7/16,10/25,( ),( ),( ).还有一道我自己做.1.1/6,1/2,( ),9/2,27/2,( ).2.4 ,1 ,( ),1/16,1/64, 4, 3/2, 20/27, 7/16, 36/125,()A.39/144 B11/54 C.68/196 D.7答案是B怎么得出来的? 4.4,3/2,20/27,7/16,36/125,( )A.39/144 B.11/54 C.68/196 D.7 选几 为什么? (9/20+6/7+15/16)/(3/20+2/7+5/16) (9/20+6/7+15/16)/(3/20+2/7+5/16) 计算9^20/27^10/3^7 数字推理 4,3/2,20/27,7/16,36/125,( ) 1,4,13,40,121,( )主要是把过程写清楚 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27=? 数字找规律4,3/2,20/27,7/16,36/125,11/54如题 11/54是答案,征求其中的规律 16+3+7+62+22+9+4+2+24+27+2+32+14=多少? 27,16,5,,1/7(2)1,2,2,3,4,6,(3)3,4,6,12,36,