B easy simplify 3/6 and it’s 1/2 half of 6 is 3 so B is the answer
Answer:

Step-by-step explanation:
Complete question is given below
Add:-
ab-bc+ac,bc-ca+ab,ca-ab-2bc
We have to find the result after addition
Now, adding all expression
We get

Combine like terms then, we get


Hence,
It would be positive 4/3 or the inverse would be -3/4