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初一数学上册方程应用题用什么方法解废话当然用方程解最好举例题并解并说明认真回答的就给分行程问题、工程问题等问题的等量关系整理不清
初一数学上册方程应用题用什么方法解
废话当然用方程解最好举例题并解并说明认真回答的就给分行程问题、工程问题等问题的等量关系整理不清
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2020-01-16 22:28
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蔡旭东
画线段图,有位数学家说画线段图是解题的桥十一期间,工程队准备用三天时间修路,第一天修了这条路的四分之三,第二天完成了剩下的三分之一,还剩4题.问,这条路有几米?
4/（1-3/1）=6m6/(1-4/3)=24m
2020-01-16 22:30:42
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