Question

by suitable groupings evaluate the following (c) 1083+(6239+ (-83))​

Answer 1

Answer:

= 1083+{6239+(-83)}

= 1083+(6239 - 83)

= 1083+6156

= 7239

explanation :-

1) -,- = +

2) +,+ = +

3) -,+ = -

4) +,- = -

Answer 2

Answer:

I again think that above is the correct answer.