AMC 8 2000 Problem 20
AMC8 2000 年第 20 题
特殊数与不定方程★★★☆☆
You have nine coins: a collection of pennies, nickels, dimes, and quarters having a total value of $ $1.02$, with at least one coin of each type. How many dimes must you have?
你有 9 枚硬币：若干便士，五分镍币，一角硬币和 25 分硬币，总价值是 1.02 美元，并且每种硬币都至少有一枚。那么你肯定有多少枚一角硬币？
- A.1
- B.2
- C.3
- D.4
- E.5
正确答案 · Correct Answer
A
解析 · Solution
解析整理中
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