题库搜索>问题求解PS-12522
According to the table above, what was the total number of watts of electricity used for the four appliances in the household on May 1?
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总用电量=145*4+155*3+45*2+109*2=1353
189332d
省时间可以只算个位，0+5+0+8，答案个位应为3，所以选1353
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2020-09-12 19:10:26
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2018-05-14 09:49:25
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