把一块棱长是6分米的正方体钢坯,锻成横截面面积是12平方分米的长方体钢材,锻成的钢材有多少长
\u628a\u4e00\u5757\u68f1\u957f\u4e3a6\u5206\u7c73\u7684\u6b63\u65b9\u4f53\u94a2\u576f\u953b\u9020\u6210\u6a2a\u622a\u9762\u9762\u79ef\u662f8\u5e73\u65b9\u5206\u7c73\u7684\u957f\u65b9\u4f53\u94a2\u6750\uff0c\u953b\u9020\u6210\u7684\u94a2\u6750\u6709\u591a\u957f\uff1f6\u00d76\u00d76=216\u7acb\u65b9\u5206\u7c73
216\u00f78=27\u5206\u7c73
6分米=0.6米
0.6×0.6×0.6÷0.12
=0.36×0.6÷0.12
=0.216÷0.12
=1.8(米)
答:锻成的钢材长1.8米.
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