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Mathematics, 12.07.2019 20:00 alexis3744
Arestaurant has 60 plates. one night, 9 groups of 6 people ate dinner at the restaurant at the same time. how many plates were not used by these dinners
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Arestaurant has 60 plates. one night, 9 groups of 6 people ate dinner at the restaurant at the same...
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