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Assuming that the only permitted operation is addition, then there are 4 combinations.

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โˆ™ 2015-06-02 11:11:55
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Q: How many combinations to make 40 by using the numbers 12 and 4?
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How many combinations can you make out of 3 letters and 3 numbers?

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How many 4-number combinations using numbers 0-9?


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