Question

Qual é o resultado da adição: (-3) + (-10) + (+9) + (-8) + (-4) + (+8) + (+12) + (-2) + (-11)

Answer 1

-9

Resolução:

(-3) + (-10) + (+9) + (-8) + (-4) + (+8) + (+12) + (-2) + (-11)

-3 - 10 + 9 - 8 - 4 + 8 + 12 - 2 - 11

-13 + 9 - 8 - 4 + 8 + 12 - 2 - 11

-4 - 8 - 4 + 8 + 12 - 2 - 11

-12 - 4 + 8 + 12 - 2 - 11

-16 + 8 + 12 - 2 - 11

-8 + 12 - 2 - 11

4 - 2 - 11

2 - 11

-9

Espero ajudar.

Answer 2

$\red{ - 9}$

Explicação passo-a-passo:

$\orange{( -3) + ( - 10) + ( + 9) + ( - 8) + ( - 4) + ( + 8) + ( + 12) + ( - 2) + ( - 11)} \\ ( - 3) + ( - 10) + ( + 9) + ( - 8) + ( - 4) + ( + 8) + ( + 12) + ( - 2) + ( - 11) \\ ( - 3) + ( - 10) + 9 + ( - 4) + 12 + ( - 2) + ( - 11) \\ ( - 3) + ( - 10) + ( + 9) + ( - 8) + ( + 4) + ( + 8) + ( + 12) + ( - 2) + ( - 11) \\ - 3 + ( - 10) + 9 + ( - 4) + 12 + ( - 2) + ( - 11) \\ ( - 3) + ( - 10) + ( + 9) + ( - 8) + ( - 4) + ( + 8) + ( + 12) + ( - 2) + ( - 11) \\ - 3 - 10 + 9 + ( - 4) + 12 +( - 2) + ( - 11) \\( - 3) + ( - 10) + ( + 9) + ( - 8) + ( - 4) + ( + 8) + ( + 12) + ( - 2) + ( - 11) \\ - 3 - 10 + 9 - 4 + 12 + ( - 2) + ( - 11) \\ ( - 3) + ( - 10) + ( + 9) + ( - 8) + ( - 4) + ( + 8) + ( + 12) + ( - 2) + ( - 11) \\ - 3 - 10 + 9 - 4 + 12 - 2 + ( - 11) \\ ( - 3) + ( - 10) + ( + 9) + ( - 8) + ( - 4) + ( + 8) + ( + 12) + ( - 2) + ( - 11) \\ - 3 - 10 + 9 - 4 + 12 - 2 - 11 \\ - 30 + 9 + 12 \\ - 3 - 10 +9 - 4 + 12 - 2 - 11 \\ - 30 + 21 \\ - 9 \\ - 3 - 10 + 9 - 4 + 12 - 2 - 11 \\ - 9 \\ \green{resposta} \\ \red{ - 9}$