AMC 8 2024 Problem 16
AMC8 2024 年第 16 题
鸽巢原理与策略★★★☆☆
Minh enters the numbers 1 through 81 into the cells of a 9 × 9 grid in some order. She calculates the product of the numbers in each row and column. What is the least number of rows and columns that could have a product divisible by 3?
Minh按照某种顺序将数字1到81填入一个9×9的网格中,并计算出每行每列的数字之积。请问至少有多少行和列的乘积可以被3整除?
- A.8
- B.9
- C.10
- D.11
- E.12
正确答案 · Correct Answer
D
解析 · Solution
解析整理中
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