工程队修一条公路.第一天修了四分之三千米,第二天比第一天多修了九分之二.第二天修了多少千米?我找出的答案是:四分之三 乘 (1+九分之二) 求为什么加 1.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 17:39:41
![工程队修一条公路.第一天修了四分之三千米,第二天比第一天多修了九分之二.第二天修了多少千米?我找出的答案是:四分之三 乘 (1+九分之二) 求为什么加 1.](/uploads/image/z/10203733-37-3.jpg?t=%E5%B7%A5%E7%A8%8B%E9%98%9F%E4%BF%AE%E4%B8%80%E6%9D%A1%E5%85%AC%E8%B7%AF.%E7%AC%AC%E4%B8%80%E5%A4%A9%E4%BF%AE%E4%BA%86%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%89%E5%8D%83%E7%B1%B3%2C%E7%AC%AC%E4%BA%8C%E5%A4%A9%E6%AF%94%E7%AC%AC%E4%B8%80%E5%A4%A9%E5%A4%9A%E4%BF%AE%E4%BA%86%E4%B9%9D%E5%88%86%E4%B9%8B%E4%BA%8C.%E7%AC%AC%E4%BA%8C%E5%A4%A9%E4%BF%AE%E4%BA%86%E5%A4%9A%E5%B0%91%E5%8D%83%E7%B1%B3%3F%E6%88%91%E6%89%BE%E5%87%BA%E7%9A%84%E7%AD%94%E6%A1%88%E6%98%AF%EF%BC%9A%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%89+%E4%B9%98+%EF%BC%881%2B%E4%B9%9D%E5%88%86%E4%B9%8B%E4%BA%8C%EF%BC%89+%E6%B1%82%E4%B8%BA%E4%BB%80%E4%B9%88%E5%8A%A0+1.)
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