Question

5. (+14) + (-9 ) + (- 7) =
6. (-12 ) + (- 6 ) + (+3 ) + (-1) =
7. (+5 ) + (-3 ) + (+14 ) + (-2 ) + (- 11) =

Answer 1

5. (+14) + (-9 ) + (- 7) =

Eliminar paréntesis

14−9−7

Simplifica  14−9 a 5

5−7

Simplifica

−2

6. (-12 ) + (- 6 ) + (+3 ) + (-1) =

Eliminar paréntesis

−12−6+3−1

Simplifica  −12−6 a −18

−18+3−1

Simplifica  −18+3 a −15

−15−1

Simplifica

−16

7. (+5 ) + (-3 ) + (+14 ) + (-2 ) + (- 11) =

Eliminar paréntesis

5−3+14−2−11

Simplifica  5−3 a 2

2+14−2−11

Simplifica  2+14 a 16

16−2−11

Simplifica  16−2 a 14

14−11

Simplifica

3