16. Calculaa) ( + 2 - 10) + [ + 5 - ( + 8 + 2)]b) ( + 12 - 3) - [ + 1 - (2 - 6)]c) [ + 9 - ( + 5)] + [ + 7 + ( - 10)]d) [ + 10 - ( - 2)] - [ + 5 - ( + 12)]e) [ + 8 - ( + 6 + 4)] - ( + 5 - 7)f) [ + 1 +?
16. Calcula a) ( + 2 - 10) + [ + 5 - ( + 8 + 2)] b) ( + 12 - 3) - [ + 1 - (2 - 6)] c) [ + 9 - ( + 5)] + [ + 7 + ( - 10)] d) [ + 10 - ( - 2)] - [ + 5 - ( + 12)] e) [ + 8 - ( + 6 + 4)] - ( + 5 - 7) f) [ + 1 + ( + 6 - 9)] - ( + 8 - 12) ¡pd! : ho necessite jaaa! ❤.



