把一个棱长4厘米的正方体钢坯,锻造成一个底面积是5平方厘米的长方体钢块,能锻造多厚?(用方程解)
人气:151 ℃ 时间:2019-08-18 12:05:26
解答
设锻造成的长方体钢块的厚有x厘米,
5x=4×4×4
5x=64,
x=12.8,
答:锻造成的长方体钢块的厚有12.8厘米.
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