Question

–15 + {+ 3 – [ 2 – (– 7 + 10)]} =

Answer 1

Resposta:

$\sf \displaystyle -15+ \{+ 3- [ 2- (-7 + 10)] \} =$

$\sf \displaystyle -15+\{+ 3- [ 2- (+3)] \} =$

$\sf \displaystyle -15+ \{+ 3- [ 2-3]\} =$

$\sf \displaystyle -15+\{+ 3- [ - 1]\} =$

$\sf \displaystyle -15+ \{+ 3+1 \} =$

$\sf \displaystyle -15+ \{+4 \} =$

$\sf \displaystyle -15+4 =$

$\boldsymbol{ \sf \displaystyle -\: 11}$

Explicação passo-a-passo: