2-12/5-18/5+12/1-18/7-2又17/8=?-0.5-(-3又4/1)+2.75-(+7又2/1)=?6又4/1)+(-3.2)+(-3)+5+(-6又4/1)+(+3.2)=?做题做的脑子糊涂了一时想不起来怎么做了
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 03:10:42
![2-12/5-18/5+12/1-18/7-2又17/8=?-0.5-(-3又4/1)+2.75-(+7又2/1)=?6又4/1)+(-3.2)+(-3)+5+(-6又4/1)+(+3.2)=?做题做的脑子糊涂了一时想不起来怎么做了](/uploads/image/z/648720-0-0.jpg?t=2-12%2F5-18%2F5%2B12%2F1-18%2F7-2%E5%8F%8817%2F8%3D%3F-0.5-%EF%BC%88-3%E5%8F%884%2F1%29%2B2.75-%28%2B7%E5%8F%882%2F1%29%3D%3F6%E5%8F%884%2F1%29%2B%28-3.2%29%2B%28-3%29%2B5%2B%28-6%E5%8F%884%2F1%29%2B%28%2B3.2%29%3D%3F%E5%81%9A%E9%A2%98%E5%81%9A%E7%9A%84%E8%84%91%E5%AD%90%E7%B3%8A%E6%B6%82%E4%BA%86%E4%B8%80%E6%97%B6%E6%83%B3%E4%B8%8D%E8%B5%B7%E6%9D%A5%E6%80%8E%E4%B9%88%E5%81%9A%E4%BA%86)
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2-12/5-18/5+12/1-18/7-2又17/8=?-0.5-(-3又4/1)+2.75-(+7又2/1)=?6又4/1)+(-3.2)+(-3)+5+(-6又4/1)+(+3.2)=?做题做的脑子糊涂了一时想不起来怎么做了
2-12/5-18/5+12/1-18/7-2又17/8=?-0.5-(-3又4/1)+2.75-(+7又2/1)=?
6又4/1)+(-3.2)+(-3)+5+(-6又4/1)+(+3.2)=?做题做的脑子糊涂了一时想不起来怎么做了
2-12/5-18/5+12/1-18/7-2又17/8=?-0.5-(-3又4/1)+2.75-(+7又2/1)=?6又4/1)+(-3.2)+(-3)+5+(-6又4/1)+(+3.2)=?做题做的脑子糊涂了一时想不起来怎么做了
6又4/1)+(-3.2)+(-3)+5+(-6又4/1)+(+3.2)
6又4/1和-6又4/1抵消,-3.2和+3.2抵消
5-3=2
答案是2!