Question

1.(-72)-(-37)-(-22)-17

Answer 1

1.(-72)-(-37)-(-22)-17

=-72+37+22-17

=-30

2.(-16)-(-12)-24-(-18)

=-16+12-24+18

=-10

3.23-(-76)-36-(-105)

=23+76-36+105

=168

4.(-32)-(-27)-(72)-87

=-32+27-72-87

=-164

计算机也按了,对的.

本人读初一.呃