Help me to solve the question below.

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/07/11 18:16:33

Help me to solve the question below.
Show me the step of question no.2 and no.3, because I saw that you guy came out with difference answer.

我会这些题,你翻译吗?
1、-11/6
2、x-y=40°
3、（p^5q^17）/2

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