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Problem 1. Find three common multiples between 2 and 10. (Author nº20)
Problem 1 solution
1º) We take out the multiples of 2 and 10 and see which are the first three that they have in common.
-Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, ...
-Multiples of 10: 10, 20, 30, 40, ...
Solution: The first three common multiples are 10, 20 and 30
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