AMC 8 1993 Problem 22

AMC8 1993 年第 22 题

基本计数原理★★★★☆

Problem Pat Peano has a collection of numbers to label the pages of his scrapbook. He has an infinite number of 0's, 1's, 3's, 4's, 5's, 6's, 7's, 8's and 9's, but only twenty-two 2's. How far can he number the pages of his scrapbook with these digits?

有一批数字用于给他的剪贴簿页码编号。他有无限多个 0、1、3、4、5、6、7、8 和 9，但只有二十二个 2。用这些数字他最多能将剪贴簿页码编到多少？

A.22
B.99
C.112
D.119
E.199

正确答案 · Correct Answer

D

解析 · Solution

解析整理中

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