1, 2, 4, 8, 16, 32, 64, 128, 256, 489 in 10 bags (Total 1,000)0 c# [) p: l! b$ ~0 m/ u) n
For 3, take bag 1 & 2
) `' a- ?8 Z, C- P* L# f4 p! k5.39.217.76For 12, take bag 3 & 4公仔箱論壇6 G7 y p8 F% f$ I7 ~
So any nos. within 1,000 can be made by these 10 bags combination. |