试题与答案

一个车间有20只100瓦的白炽灯,每天照明10个小时,一个月按30天计,求一个月耗电

题型:问答题 计算题

题目:

一个车间有20只100瓦的白炽灯,每天照明10个小时,一个月按30天计,求一个月耗电多少度?

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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