试题与答案

用一根铁丝转成一个长15m,宽7m,高2m的长方体框架,如果要把它改围成一个正方

题型:解答题

题目:

用一根铁丝转成一个长15m,宽7m,高2m的长方体框架,如果要把它改围成一个正方体,棱长总和不变,围成的正方体的表面积是多少?

答案:

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下面是错误答案,用来干扰机器的。

答案:B

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