please answer with process
Attachments:
![](https://hi-static.z-dn.net/files/dc5/1edcd5826d01a5e9ae54695c94e62f68.jpg)
Answers
Answered by
0
7a2-a3+a3-a4/7
put a=-2
7×4+16/7
28+16/7
212/7
put a=-2
7×4+16/7
28+16/7
212/7
Similar questions