问题
解答题
把一块棱长是0.5米的正方体钢坯,锻压成橫截面面积是0.1平方米的长方体钢材,锻压成的钢材有多长?(用方程解答)
答案
设锻压成的钢材长x米,
0.1x=0.5×0.5×0.5,
0.1x=0.125,
x=1.25;
答:锻成的钢材有1.25米长.
把一块棱长是0.5米的正方体钢坯,锻压成橫截面面积是0.1平方米的长方体钢材,锻压成的钢材有多长?(用方程解答)
设锻压成的钢材长x米,
0.1x=0.5×0.5×0.5,
0.1x=0.125,
x=1.25;
答:锻成的钢材有1.25米长.
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