Answer these questions. Correct answers will be marked as brainlist.
Attachments:
![](https://hi-static.z-dn.net/files/d80/db88f911abbc101cc590211e76550599.jpg)
Answers
Answered by
1
Answer:
4)
a-(a-b)-b-(b-a)
a-a+b-b-b+a
-b-+a
a-b
Similar questions