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8 years, 2 months ago
How many numbers between 1 and 1200 are not multiples of 2 or 3?
Mar 18, 2015 at 15:15
How many numbers between 1 and 1200 are a multiple of 2? And how many numbers between 1 and 1200 are a multiple of 3? What does it mean to be a multiple of both 2 and 3? Now try to draw a Venn diagram of this situation.
Mar 18, 2015 at 15:20
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