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The total number of ways could be found by innumerating all the possible cases, | The total number of ways could be found by innumerating all the possible cases, | ||
which are | which are | ||
| + | |||
B1 B2 B3 | B1 B2 B3 | ||
Revision as of 14:30, 28 September 2008
The total number of ways could be found by innumerating all the possible cases, which are
B1 B2 B3
[5 0 0] [4 1 0] [3 2 0] [3 1 1] [2 2 1]
Hence 5 is the answer.
