Question

{+10-[-15+30+(-15+16)1}

Answer 1

Explicação passo-a-passo:

+10-[-15+30+(-15+16)1

+10-[-15+30+1]

+10+-[15-1]

+10+16

26.

☆regra de sinais.

Answer 2

$[+10-[-15+30+(-15+16)1]$

$[10-[-15+30+1*1]$

$10-[-15+30+1]$

$10-[15+1]$

$10-16$

$-6$