三组号码:(编程用数字,非投注号)
A{1,2,3,4,5,6,7,8,9,10}, 选5~6码
B{11,12,13,14,15,16,17,18},选2~5码
C{19,20,21,22,23},选2~3码
要求:
1、从A中任选5~6个号,缩水后组成x组
2、从B中任选2~5个号,缩水后组成y组
3、从C中任选2~3个号,缩水后组成z组
4、组成任9 或任10
B,8个选5个,共56组,缩水后5组:
11 12 13 15 18
11 12 14 16 17
11 13 14 16 18
12 13 15 16 17
14 15 16 17 18
8码选4,70组, 忽略
8码选3,56组,缩水后几注?
111213,111218,131415,141516,161718, 8码选2,28组,
1112,1113,1114,1115,1116,1117,1118,
1213,1214,1215,1216,1217,1218,
1314,1315,1316,1317,1318,
1415,1416,1417,1418,
1516,1517,1518,
1617,1618,
1718,
缩水后几注?
1112,1314,1516,1718,