2. 外语
  3. The figure above consists of 25 squares. If the figure were folded along the dotted diagonal to form a flat triangle, then 26 mi

The figure above consists of 25 squares. If the figure were folded along the dotted diagonal to form a flat triangle, then 26 mi

admin2009-05-19  73
问题
The figure above consists of 25 squares. If the figure were folded along the dotted diagonal to form a flat triangle, then 26 minus the number in the square that would coincide with the square containing 26 would be ?
选项 A、13
B、14
C、15
D、16
E、17
答案D
解析 左边的图形由25个正方形(square)组成。如果这个图形沿对角线(diagonal)(虚线)对折形成一个平的三角形，那么26减去与含26的正方形相对应的正方形内的数字应该是：
解：本题的正确答案是(D)。根据图形可知，对折后与含26的正方形相对应的正方形所含的数字是10，26-10=16。
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