作业帮英语奥数,谁能告诉我它的翻译及答案?A small country prints only two kinds of stamps,7 cent stamps and 13 cent stamps.One letter requires66cents postage.How many of each stamp should you ask for so that you can mail the letter and spend
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英语奥数,谁能告诉我它的翻译及答案?A small country prints only two kinds of stamps,7 cent stamps and 13 cent stamps.One letter requires66cents postage.How many of each stamp should you ask for so that you can mail the letter and spend
英语奥数,谁能告诉我它的翻译及答案?
A small country prints only two kinds of stamps,7 cent stamps and 13 cent stamps.One
letter requires66cents postage.How many of each stamp should you ask for so that you can mail the letter and spend the least amount of money
英语奥数,谁能告诉我它的翻译及答案?A small country prints only two kinds of stamps,7 cent stamps and 13 cent stamps.One letter requires66cents postage.How many of each stamp should you ask for so that you can mail the letter and spend
有个小国家只生产两种邮票,7美分的和13美分的.一封信寄出去邮费要66美分.请问你需要每种邮票各买几张,才能在花最少钱的情况下寄出一封信?
答案是7美分的邮票买两张,13美分的邮票买4张.
7*2=14
13*4=52
14+52=66
正好够一封信邮费,不多不少.
一个小国家输出只有两种邮票,7分的邮票和13分的邮票。一个字母需要66美分的邮票。邮票上有多少你应该征得你可以寄这封信,花最少的钱吗
一个小国家只打印两种邮票，7美分的邮票和13美分的邮票。一封信的邮资多少requires66cents。每个印章应你要求，你可以寄一封信，花最少的钱
一个小镇印两种邮票，7分的和13分的. 有一封信需要66分邮票.每种邮票你各需要几张才能把信寄出并且花费最少？