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文 [1 ]对 2 0 0 2年高招文史类第 2 2题的解法和答案展示了自己的见解 ,其中有一个图 1 三角形说法欠妥 .原文是 :“按题目要求 ,图 1剪拼成正三棱锥模型 ,其方法是唯一的 ,即沿正三角形之三条中位线折起 ,可拼一个正三棱锥 (如图 1 ) .”实际上按要求剪拼成的正三棱锥不是唯
The paper [1] showed his own opinions on the solutions and answers to the 2002 question of the high-probation history class in 2002. One of them is a triangle statement saying that it is not proper. The original text is: The regular triangular pyramid model is unique in that it is folded along the three median lines of the equilateral triangle and can be used to spell a regular triangular pyramid (Figure 1).