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36瓦一天耗电为0.864度电。36瓦一小时耗电为0.036度电左右,电功率为36w,1度=1kw/h,即W=Pt,P=0.036kw;W=Pt=0.036kw×1h=0.036kw/h,36瓦一小时耗电为0.036度左右,一天24小时用0...