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  3. At a birthday party, half the guests drink cola, a quarter have lemonade, a sixt

At a birthday party, half the guests drink cola, a quarter have lemonade, a sixt

游客2024-08-13  54
问题 At a birthday party, half the guests drink cola, a quarter have lemonade, a sixth have orange juice, and the remaining three have water.How many guests are there at the party?
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答案 36
解析 题目问在一个生日宴会上，一半人喝可乐，四分之一喝柠檬汁，六分之一喝橙汁,剩下三人喝水，那么有多少人参加生日宴会?根据题目可以列出式子3/（1-1/2-1/4-1/6）=36（人）,即共有36人参加宴会。
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