如图3,将长方体木块A和B黏合在一起,得到长方体木块C.(1)求长方体木块C的表面积.(2)设x=30,在长方体木块C的表面涂上油漆,设每平方米用油漆0.6kg,至少需要多少油漆?
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![如图3,将长方体木块A和B黏合在一起,得到长方体木块C.(1)求长方体木块C的表面积.(2)设x=30,在长方体木块C的表面涂上油漆,设每平方米用油漆0.6kg,至少需要多少油漆?](/uploads/image/z/10897533-45-3.jpg?t=%E5%A6%82%E5%9B%BE3%2C%E5%B0%86%E9%95%BF%E6%96%B9%E4%BD%93%E6%9C%A8%E5%9D%97A%E5%92%8CB%E9%BB%8F%E5%90%88%E5%9C%A8%E4%B8%80%E8%B5%B7%2C%E5%BE%97%E5%88%B0%E9%95%BF%E6%96%B9%E4%BD%93%E6%9C%A8%E5%9D%97C.%281%29%E6%B1%82%E9%95%BF%E6%96%B9%E4%BD%93%E6%9C%A8%E5%9D%97C%E7%9A%84%E8%A1%A8%E9%9D%A2%E7%A7%AF.%282%EF%BC%89%E8%AE%BEx%3D30%2C%E5%9C%A8%E9%95%BF%E6%96%B9%E4%BD%93%E6%9C%A8%E5%9D%97C%E7%9A%84%E8%A1%A8%E9%9D%A2%E6%B6%82%E4%B8%8A%E6%B2%B9%E6%BC%86%2C%E8%AE%BE%E6%AF%8F%E5%B9%B3%E6%96%B9%E7%B1%B3%E7%94%A8%E6%B2%B9%E6%BC%860.6kg%2C%E8%87%B3%E5%B0%91%E9%9C%80%E8%A6%81%E5%A4%9A%E5%B0%91%E6%B2%B9%E6%BC%86%3F)
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