选择题

2024 AMC 8 Problem 7: Tiling a Rectangle

A 3 × 7 rectangle is covered without overlap by 3 shapes of tiles: 2 × 2, 1 × 4, and 1 × 1, shown below. What is the minimum possible number of 1 × 1 tiles used?

2024 AMC 8 第7题:平铺矩形

3 × 7 的矩形被 3 种形状的图块覆盖且没有重叠:2 × 2、1 × 4 和 1 × 1,如下所示。使用的 1 × 1 块的最小可能数量是多少

A.
1
B.
2
C.
3
D.
4
E.
5