一、王叔叔买回一箱啤酒.共12瓶,商店规定7个空瓶又可换3瓶啤酒.算一算王叔叔最多能喝到多少瓶啤酒?二、一根钢管长3m,外圆半径为10cm,内圆半径为8cm,每立方厘米的钢重7.8克.这根钢管重多少
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![一、王叔叔买回一箱啤酒.共12瓶,商店规定7个空瓶又可换3瓶啤酒.算一算王叔叔最多能喝到多少瓶啤酒?二、一根钢管长3m,外圆半径为10cm,内圆半径为8cm,每立方厘米的钢重7.8克.这根钢管重多少](/uploads/image/z/3020235-51-5.jpg?t=%E4%B8%80%E3%80%81%E7%8E%8B%E5%8F%94%E5%8F%94%E4%B9%B0%E5%9B%9E%E4%B8%80%E7%AE%B1%E5%95%A4%E9%85%92.%E5%85%B112%E7%93%B6%2C%E5%95%86%E5%BA%97%E8%A7%84%E5%AE%9A7%E4%B8%AA%E7%A9%BA%E7%93%B6%E5%8F%88%E5%8F%AF%E6%8D%A23%E7%93%B6%E5%95%A4%E9%85%92.%E7%AE%97%E4%B8%80%E7%AE%97%E7%8E%8B%E5%8F%94%E5%8F%94%E6%9C%80%E5%A4%9A%E8%83%BD%E5%96%9D%E5%88%B0%E5%A4%9A%E5%B0%91%E7%93%B6%E5%95%A4%E9%85%92%3F%E4%BA%8C%E3%80%81%E4%B8%80%E6%A0%B9%E9%92%A2%E7%AE%A1%E9%95%BF3m%2C%E5%A4%96%E5%9C%86%E5%8D%8A%E5%BE%84%E4%B8%BA10cm%2C%E5%86%85%E5%9C%86%E5%8D%8A%E5%BE%84%E4%B8%BA8cm%2C%E6%AF%8F%E7%AB%8B%E6%96%B9%E5%8E%98%E7%B1%B3%E7%9A%84%E9%92%A2%E9%87%8D7.8%E5%85%8B.%E8%BF%99%E6%A0%B9%E9%92%A2%E7%AE%A1%E9%87%8D%E5%A4%9A%E5%B0%91)
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