電力為鼓勵節約用電採分段計費如下表安安家上個月用了342度電費是多少元《答案》944元詳解:342-33012330-1102202.1×1102313.02×220664.44.05×1248.6231664.448.6944
電力為鼓勵節約用電採分段計費如下表平平家上個月用了160度電費是多少元《答案》382元詳解:160-110502.1×110233.02×50151231151382