Question

1- Efetue as expressões numéricas:
a) 2 +4 – 2 = 4
b) 2 {3+ 1 [5 – 4 (3. 2)] - 8}=
c) - 2 + 6 - 10 - 4 =
.
Ger​

Answer 1

a) 2 +4 – 2 = 4

6-2 = 4

4= 4

b) 2 {3+ 1 [5 – 4 (3. 2)] - 8}=

2 {3+1 [1.6] -8}

2 {4+6-8}

2+2 = 4

c) - 2 + 6 - 10 - 4 =

-16+6= -10