Question

Resposta
25-(-5-(2-5-1)+3]

Answer 1

$25-[-5-(2-5-1)+3]$

$25-[-5-(-3-1)+3]$

$25-[-5-(-4)+3]$

$25-[-5+4+3]$

$25-[-1+3]$

$25-2$

$23$