回複:ZT: 算21至27點(禾牛)

來源: 2009-05-03 06:56:04 [舊帖] [給我悄悄話] 本文已被閱讀:

3456:
21 = 3*(6+5-4)
22 = 4*6 +3-5
23 = 3*4 +5+6
24 = 6*(3+5-4)
25 = 3*5 +4+6
26 = 4*6 +5-3
27 = 3*6 +4+5

hao shu!