一根铁丝剪成若干段,每段长8分之5分米,铁丝刚好焊成一个正方体框架,铁丝原长多少分米?
一根铁丝剪成若干段,每段长8分之5分米,铁丝刚好焊成一个正方体框架,铁丝原长多少分米?
数学人气：529 ℃时间：2020-04-09 06:20:55
优质解答
12× 5/8=15/2 分米
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