2. 外语
  3. Each symbol (triangle, square, diamond and circle) in this table has a value. The total of these values in each row and column i

Each symbol (triangle, square, diamond and circle) in this table has a value. The total of these values in each row and column i

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问题 Each symbol (triangle, square, diamond and circle) in this table has a value. The total of these values in each row and column is written at the end of the corresponding row or column. Now write down the value of each symbol.
选项
答案Triangle=-4．2，Square=11．5，Diamond=-1．8，Circle=6．6
解析 通过设未知数解方程，可以得出四种几何图形所分别代表的数值。
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本试题收录于： A类竞赛（研究生）题库大学生英语竞赛（NECCS）分类
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A类竞赛（研究生）

大学生英语竞赛（NECCS）

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