ONE QUESTION, ONE STEP
ZX-BFE641C3BAPSAT 8/9 P2 · 第 14 题
PSAT 8/9 P2 · 原库模块 3 · Q14 原库参考解析
A total of 2 squares each have side length r. A total of 6 equilateral triangles each have side length t. None of these squares and triangles shares a side. The sum of the perimeters of all these squares and triangles is 210. Which equation represents this situation?
参考答案:
解题思路
容易忽略的一步
