计算 (-13)+(+12)+(-7)+(+38)= 1/3-1/2-3/4+2/3= (-7.4)+2.6+(-0.6)+(-0.5)+5.9=(-0.5)+2又1/4+2.75+(-5又1/2)= 急 写过程和结果
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 04:12:58
![计算 (-13)+(+12)+(-7)+(+38)= 1/3-1/2-3/4+2/3= (-7.4)+2.6+(-0.6)+(-0.5)+5.9=(-0.5)+2又1/4+2.75+(-5又1/2)= 急 写过程和结果](/uploads/image/z/603339-51-9.jpg?t=%E8%AE%A1%E7%AE%97+%EF%BC%88-13%EF%BC%89%2B%EF%BC%88%2B12%EF%BC%89%2B%EF%BC%88-7%EF%BC%89%2B%EF%BC%88%2B38%EF%BC%89%3D+1%2F3-1%2F2-3%2F4%2B2%2F3%3D+%EF%BC%88-7.4%EF%BC%89%2B2.6%2B%EF%BC%88-0.6%EF%BC%89%2B%EF%BC%88-0.5%EF%BC%89%2B5.9%3D%EF%BC%88-0.5%EF%BC%89%2B2%E5%8F%881%2F4%2B2.75%2B%EF%BC%88-5%E5%8F%881%2F2%EF%BC%89%3D+%E6%80%A5+%E5%86%99%E8%BF%87%E7%A8%8B%E5%92%8C%E7%BB%93%E6%9E%9C)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 04:12:58