小刚家刚装修,准备安装照明灯,他和爸爸到市场调查,了解到一盏40瓦白炽灯1.5元,一盏瓦节能灯22.38元,
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/10 12:52:31
![小刚家刚装修,准备安装照明灯,他和爸爸到市场调查,了解到一盏40瓦白炽灯1.5元,一盏瓦节能灯22.38元,](/uploads/image/z/2417411-11-1.jpg?t=%E5%B0%8F%E5%88%9A%E5%AE%B6%E5%88%9A%E8%A3%85%E4%BF%AE%2C%E5%87%86%E5%A4%87%E5%AE%89%E8%A3%85%E7%85%A7%E6%98%8E%E7%81%AF%2C%E4%BB%96%E5%92%8C%E7%88%B8%E7%88%B8%E5%88%B0%E5%B8%82%E5%9C%BA%E8%B0%83%E6%9F%A5%2C%E4%BA%86%E8%A7%A3%E5%88%B0%E4%B8%80%E7%9B%8F40%E7%93%A6%E7%99%BD%E7%82%BD%E7%81%AF1.5%E5%85%83%2C%E4%B8%80%E7%9B%8F%E7%93%A6%E8%8A%82%E8%83%BD%E7%81%AF22.38%E5%85%83%2C)
xTR@[A,Ӿ[ !R!EAhG ?< (}w&sɹ;0as2Gg=mye:!7\|,;Ex+~:)"8$LaB3"+%d*|EbG`&I3HpZSyv?WeQ
l£`[qe &gϡZ
nnKx1I)3}sH]Oq
xLJZ~PͻGpk=tz*8>C
+.gBǤ2-
]v?
>*"pnocp6@єV,>أ)v"W Bi˭M+#