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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
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2023-10-16
26
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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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