A.把一块棱长是9dm的正方体钢柸锻造成一个横截面积是9平方分米的钢材,这根钢材长是多少米?B.一个长方体鱼缸,长50cm,宽24cm,高40cm,如果装有42升的水,水面距上口有多少厘米?附加题下图是由64
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![A.把一块棱长是9dm的正方体钢柸锻造成一个横截面积是9平方分米的钢材,这根钢材长是多少米?B.一个长方体鱼缸,长50cm,宽24cm,高40cm,如果装有42升的水,水面距上口有多少厘米?附加题下图是由64](/uploads/image/z/11383374-30-4.jpg?t=A.%E6%8A%8A%E4%B8%80%E5%9D%97%E6%A3%B1%E9%95%BF%E6%98%AF9dm%E7%9A%84%E6%AD%A3%E6%96%B9%E4%BD%93%E9%92%A2%E6%9F%B8%E9%94%BB%E9%80%A0%E6%88%90%E4%B8%80%E4%B8%AA%E6%A8%AA%E6%88%AA%E9%9D%A2%E7%A7%AF%E6%98%AF9%E5%B9%B3%E6%96%B9%E5%88%86%E7%B1%B3%E7%9A%84%E9%92%A2%E6%9D%90%2C%E8%BF%99%E6%A0%B9%E9%92%A2%E6%9D%90%E9%95%BF%E6%98%AF%E5%A4%9A%E5%B0%91%E7%B1%B3%3FB.%E4%B8%80%E4%B8%AA%E9%95%BF%E6%96%B9%E4%BD%93%E9%B1%BC%E7%BC%B8%2C%E9%95%BF50cm%2C%E5%AE%BD24cm%2C%E9%AB%9840cm%2C%E5%A6%82%E6%9E%9C%E8%A3%85%E6%9C%8942%E5%8D%87%E7%9A%84%E6%B0%B4%2C%E6%B0%B4%E9%9D%A2%E8%B7%9D%E4%B8%8A%E5%8F%A3%E6%9C%89%E5%A4%9A%E5%B0%91%E5%8E%98%E7%B1%B3%3F%E9%99%84%E5%8A%A0%E9%A2%98%E4%B8%8B%E5%9B%BE%E6%98%AF%E7%94%B164)
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