Question

Who will answer me I will mark him as Brainliest

Answer 1

Answer:

1.-127

2.9

3.54

4.269

Step-by-step explanation:

first open the bracket in all the sums

1.-102+-56+31

=-102-56+31

=-158+31

=-127

2.67+-42+-16

=67-42-16

=67-58

=9

3.112+-42+-16

=112-42-16

=112-58

=54

4.312+-99+56

=312-99+56

=312-43

=269