2. 外语
  3. Two diagonals have been drawn on two faces of the cube. Using logical reasoning and lateral thinking, work out the angle between

Two diagonals have been drawn on two faces of the cube. Using logical reasoning and lateral thinking, work out the angle between

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问题 Two diagonals have been drawn on two faces of the cube. Using logical reasoning and lateral thinking, work out the angle between the two diagonals AB and AC.
选项
答案60
解析 (连接BC，AB、BC、Ac等长，等边三角形内角为60度。)
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本试题收录于： C类竞赛（非英语专业本科）题库大学生英语竞赛（NECCS）分类
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C类竞赛（非英语专业本科）

大学生英语竞赛（NECCS）

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