省略加号的和的形式 的算式怎么写?就是比如(-20)+3-(-2)-(+5)=-20+3-2-5之类的,我不清楚的就是内个 +3-(-2) 这段里面的-(-2)怎么省略?还有说一下原理谢谢TAT感觉我的错了,老师说
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 06:19:17
![省略加号的和的形式 的算式怎么写?就是比如(-20)+3-(-2)-(+5)=-20+3-2-5之类的,我不清楚的就是内个 +3-(-2) 这段里面的-(-2)怎么省略?还有说一下原理谢谢TAT感觉我的错了,老师说](/uploads/image/z/656610-42-0.jpg?t=%E7%9C%81%E7%95%A5%E5%8A%A0%E5%8F%B7%E7%9A%84%E5%92%8C%E7%9A%84%E5%BD%A2%E5%BC%8F+%E7%9A%84%E7%AE%97%E5%BC%8F%E6%80%8E%E4%B9%88%E5%86%99%3F%E5%B0%B1%E6%98%AF%E6%AF%94%E5%A6%82%EF%BC%88-20%EF%BC%89%2B3-%EF%BC%88-2%EF%BC%89-%EF%BC%88%2B5%EF%BC%89%3D-20%2B3-2-5%E4%B9%8B%E7%B1%BB%E7%9A%84%EF%BC%8C%E6%88%91%E4%B8%8D%E6%B8%85%E6%A5%9A%E7%9A%84%E5%B0%B1%E6%98%AF%E5%86%85%E4%B8%AA+%2B3-%EF%BC%88-2%EF%BC%89+%E8%BF%99%E6%AE%B5%E9%87%8C%E9%9D%A2%E7%9A%84-%EF%BC%88-2%EF%BC%89%E6%80%8E%E4%B9%88%E7%9C%81%E7%95%A5%EF%BC%9F%E8%BF%98%E6%9C%89%E8%AF%B4%E4%B8%80%E4%B8%8B%E5%8E%9F%E7%90%86%E8%B0%A2%E8%B0%A2TAT%E6%84%9F%E8%A7%89%E6%88%91%E7%9A%84%E9%94%99%E4%BA%86%EF%BC%8C%E8%80%81%E5%B8%88%E8%AF%B4)
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