数学五年级上册课本124页第6题答案(用方程解答)
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数学五年级上册课本124页第6题答案(用方程解答)
一条公路长360m,甲乙两支施工队同时从公路的两端往中间铺柏油。甲队的施工速度是乙队的1.25倍,4天后这条公路全部铺完。甲乙两队每天分别铺柏油多少米?(用方程解答)急急急············································································································
一条公路长360m,甲乙两支施工队同时从公路的两端往中间铺柏油。甲队的施工速度是乙队的1.25倍,4天后这条公路全部铺完。甲乙两队每天分别铺柏油多少米?(用方程解答)急急急············································································································
![数学五年级上册课本124页第6题答案(用方程解答)](/uploads/image/z/7056141-69-1.jpg?t=%E6%95%B0%E5%AD%A6%E4%BA%94%E5%B9%B4%E7%BA%A7%E4%B8%8A%E5%86%8C%E8%AF%BE%E6%9C%AC124%E9%A1%B5%E7%AC%AC6%E9%A2%98%E7%AD%94%E6%A1%88%EF%BC%88%E7%94%A8%E6%96%B9%E7%A8%8B%E8%A7%A3%E7%AD%94%EF%BC%89)
设乙队每天速度为X则甲队为1.25X 方程为4X+5X=360解X=40
再问: 5X在哪来的?
再答: 4乘1.25x
再问: 5X在哪来的?
再答: 4乘1.25x