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| Math Central | Quandaries & Queries |
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Question from mark, a parent: How many three number combinations can I get using 1,2,3,4,5? I can use a number more than once. |
Mark,
Try a simpler version of the same problem: list all the two number combinations with 1,2,3. Remember that you can use a number more than once.
Now list all the three number combinations with 1,2.
See the pattern?
Good Hunting!
RD
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