A.224/56
B.14/32
C.20/48
D.16/40
[单选题]2/5,3/7,4/10,6/14,8/20,12/28,( )。A.224/56B.14/32C.20/48D.16/40
[单选题]2/5, 3/7, 4/10, 6/14, 8/20, 12/28, ( )A.224/56B.14/32C.20/48D.16/40
[单选题]2/5, 3/7, 4/10, 6/14, 8/20, 12/28,______ ( )A.224/56B.14/32C.20/48D.16/40
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
1 2 3 4 5 6 7 8 9 10 11 12 13 14
[单选题]2,1,6/7,4/5,10/13,( )A.4/3 B.3/4C.7/15 D. 7/16
4 5 6 = 8 10 12-|||-7 8 9 14 16 18 ( ) ( )
填数-|||-0 1 2 3 4 5 6 7 8 9 10 11 12 13-|||-8 9 10 11 12 13 14 15 16 17 18 19 20
找100以内的素数。 1 2 3 4 5 6 7 8 9 10 11