Question

{(7)-(8)}-{(3)-(4)}​

Answer 1

Answer:

Question :

{(7)-(8)}-{(3)-(4)}

Answer :

{(7)-(8)}-{(3)-(4)}

$= - 1 - ( - 1) \\ \\ = - 1 + 1 \\ \\ = 0$

Answer :

Answer 2

{(7)}-(8)}-{3)-(4)}

+7-8-3-4

-1-3-4

-4-4

0

0is your right answer