A survey of 500 foreign exchange students has determined that: 72 read French 40 read German 41 read Spanish 18 read French and German 16 read French and Spanish 7 read German and Spanish 4 read all three languages How many students read exactly 2 of these 3 languages? How many read at least 1 of the 3 languages? How many read exactly 1 of the 3 languages? How many do not read any of the 3 languages?

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