一个长方体玻璃鱼缸,长50厘米,宽40厘米,(1)做这个鱼缸至少需要玻璃多少平方厘米?(2)在鱼缸里注入40升水,水深大多少厘米?(玻璃厚度忽略不计)(3)如果再往水里放入鹅卵石,水草和鱼,水面上升2.5
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![一个长方体玻璃鱼缸,长50厘米,宽40厘米,(1)做这个鱼缸至少需要玻璃多少平方厘米?(2)在鱼缸里注入40升水,水深大多少厘米?(玻璃厚度忽略不计)(3)如果再往水里放入鹅卵石,水草和鱼,水面上升2.5](/uploads/image/z/1774196-44-6.jpg?t=%E4%B8%80%E4%B8%AA%E9%95%BF%E6%96%B9%E4%BD%93%E7%8E%BB%E7%92%83%E9%B1%BC%E7%BC%B8%2C%E9%95%BF50%E5%8E%98%E7%B1%B3%2C%E5%AE%BD40%E5%8E%98%E7%B1%B3%2C%281%29%E5%81%9A%E8%BF%99%E4%B8%AA%E9%B1%BC%E7%BC%B8%E8%87%B3%E5%B0%91%E9%9C%80%E8%A6%81%E7%8E%BB%E7%92%83%E5%A4%9A%E5%B0%91%E5%B9%B3%E6%96%B9%E5%8E%98%E7%B1%B3%3F%282%29%E5%9C%A8%E9%B1%BC%E7%BC%B8%E9%87%8C%E6%B3%A8%E5%85%A540%E5%8D%87%E6%B0%B4%2C%E6%B0%B4%E6%B7%B1%E5%A4%A7%E5%A4%9A%E5%B0%91%E5%8E%98%E7%B1%B3%3F%28%E7%8E%BB%E7%92%83%E5%8E%9A%E5%BA%A6%E5%BF%BD%E7%95%A5%E4%B8%8D%E8%AE%A1%29%283%29%E5%A6%82%E6%9E%9C%E5%86%8D%E5%BE%80%E6%B0%B4%E9%87%8C%E6%94%BE%E5%85%A5%E9%B9%85%E5%8D%B5%E7%9F%B3%2C%E6%B0%B4%E8%8D%89%E5%92%8C%E9%B1%BC%2C%E6%B0%B4%E9%9D%A2%E4%B8%8A%E5%8D%872.5)
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