1, 2, 4, 8, 16, 32, 64, 128, 256, 489 in 10 bags (Total 1,000)公仔箱論壇: a9 ?! r9 y4 b& \
For 3, take bag 1 & 2$ Y* O1 ~1 A( Z2 k2 |) @
For 12, take bag 3 & 4
% L1 V! S0 Q3 P9 _9 gtvb now,tvbnow,bttvbSo any nos. within 1,000 can be made by these 10 bags combination. |