Question

(-12) + 83 + (- 48) + 17

Answer 1

(-12) + 83 + (-48) + 17

= 83 - 12 + (-48) + 17

= 71 - 48 + 17

= 23 + 17

= 40

Answer 2

= -12 + 83 - 48 + 17

= 40

Answer 3

(-12)+83+(-48)+17

=[(-12)+(-48)]+(83+17)

=(-60)+100

=40

Answer 4

(-12)+83+(-48)+17

=83-12+(-48)+17

=71-48+17

23+17

=40

K CHO MIK NHA