Question

11.(+67) -(+20) - (-61) + (-29) - (+20 ) - (- 28) =

12. ( + 65 ) - ( -72) + ( - 13 ) - ( - 50 ) =

13. ( + 99 ) - ( -18) - ( + 73 ) + ( - 24 )- (-8) =

14. ( +91 ) - ( - 10 ) - ( - 59 ) + ( +35 )- (+7) =

15. ( - 15 ) - ( - 80 ) + ( +23 ) - ( + 79 ) =

Answer 1

11) 90

12) 174

13) 28

14) 188

15) 9