Question

3) Elimine os parentes e calcule:

a) 5 + (3 - 2) =
b) 15 + (-23 + 12) =
c) 2+(-5+8)-(-9+4 - 12) =
d) 0 + (-6+3) =​

Answer 1

Resposta:

a) 5+(3-2)

5+1

6

b)15+(-23+12)

15-11

4

c)2+(-5+8)-(-9+4-12)

2+3-17

-12

d) 0+(-6+3)

0+(-3)

0-3

-3