Question

Resolva as operações com armaçao


-10+(6-4)

2+(2+5-7)

10+(-10+5)-(1+11-4)

Answer 1

$- 10 + (6 - 4)$
$- 10 + 2$
$- 8$


$2 + (2 + 5 - 7)$
$2 + 0$
$2$


$10 + ( - 10 + 5) - (1 + 11 - 4)$
$10 + ( - 5) - 8$
$10 - 5 - 8$
$- 3$

Answer 2

6 - 4 = 2 -10 = -8
2+5 = 7 - 7 = 0 + 2 = 2
-10+5 = -5 1+11-4 = 8 10-5-8 = -3