|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/25 14:57:29
![|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!](/uploads/image/z/68219-35-9.jpg?t=%26%238203%3B%7C1%2F14%EF%BC%8D1%2F13%7C%EF%BC%8B%7C1%2F15-1%2F14%7C%EF%BC%8D%7C1-1%2F15%7C%E6%80%8E%E6%A0%B7%E8%AE%A1%E7%AE%97%3F%E7%AE%80%E4%BE%BF%21%7C1%2F14%EF%BC%8D1%2F13%7C%EF%BC%8B%7C1%2F15-1%2F14%7C%EF%BC%8D%7C1-1%2F15%7C%E6%80%8E%E6%A0%B7%E8%AE%A1%E7%AE%97%3F%E7%AE%80%E4%BE%BF%21)
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|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!
|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!
|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!
|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!|1/14-1/13|+|1/15-1/14|-|1-1/15|怎样计算?简便!
把绝对值去掉
变成
1/13-1/14+1/14-1/15-1+1/15
=1/13-1
=-12/13