1、28*(1/251+1/223)-223*(1/28-1/251)+251*(1/28-1/223)2、解方程:1/8X+1=2X-0.2注意:/为分数线,不是除号__________________________________________________________________科学:1、小明家上月5日自来水表的读数为244平
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![1、28*(1/251+1/223)-223*(1/28-1/251)+251*(1/28-1/223)2、解方程:1/8X+1=2X-0.2注意:/为分数线,不是除号__________________________________________________________________科学:1、小明家上月5日自来水表的读数为244平](/uploads/image/z/7066773-45-3.jpg?t=1%E3%80%8128%2A%EF%BC%881%2F251%2B1%2F223%EF%BC%89-223%2A%281%2F28-1%2F251%29%2B251%2A%281%2F28-1%2F223%292%E3%80%81%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A1%2F8X%2B1%3D2X-0.2%E6%B3%A8%E6%84%8F%EF%BC%9A%2F%E4%B8%BA%E5%88%86%E6%95%B0%E7%BA%BF%2C%E4%B8%8D%E6%98%AF%E9%99%A4%E5%8F%B7__________________________________________________________________%E7%A7%91%E5%AD%A6%EF%BC%9A1%E3%80%81%E5%B0%8F%E6%98%8E%E5%AE%B6%E4%B8%8A%E6%9C%885%E6%97%A5%E8%87%AA%E6%9D%A5%E6%B0%B4%E8%A1%A8%E7%9A%84%E8%AF%BB%E6%95%B0%E4%B8%BA244%E5%B9%B3)
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