AMC 8 2005 Problem 3
AMC8 2005 年第 3 题
变换与对称★★☆☆☆
What is the minimum number of small squares that must be colored black so that a line of symmetry lies on the diagonal \overlineBD of square ABCD?
要使得正方形 ABCD 的一条对称轴位于对角线上，则至少需要将多少个小正方形涂成黑色？
- A.1
- B.2
- C.3
- D.4
- E.5
正确答案 · Correct Answer
D
解析 · Solution
解析整理中
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