数学题:玉龙粮食加工厂生产一批面粉
- 时间:2020-05-13 15:05:48
- 分类:数学世界
- 阅读:160 次
数学题:玉龙粮食加工厂生产一批面粉,分三次运出,
第一次运出的比总数的四分之一还多一百袋,
第二次运出的是第一次的四分之三,
第三次运出九十五袋,
这批面粉共有多少袋?求解。
数学题解答:
等量关系:总量-三次运出的数量=0
解:设这批面粉共有x袋。
由题得:x-(1/4x+100)-3/4(1/4x+100)-95=0
解得:x=480
答:这批面粉共有480袋。

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