Question

3) Calcule as expressões abaixo e simplifique o resultado quando possível.
a) 1/2 + 3/2=
b) 4/6 – 1/6=
c) 3/4 + 1=
d) 2/3 . 1/3 =
e) 2/9 . 2=
f) 1/4 : 1/5 =

Answer 1

Resposta:

a) 2

b) 1/2

c) 7/4

d) 2/9

e) 4/9

f) 5/4

Explicação passo-a-passo:

a)

1/2 + 3/2 = (1 + 3)/2 = 4/2 = 2

b)

4/6 - 1/6 = (4 - 1)/6 = 3/6 = 1/2

c)

3/4 + 1 = (3 + 4)/4 = 7/4

d)

2/3 × 1/3 = 2/9

e)

2/9 × 2 = 4/9

f)

1÷4/1÷5 = 1/4 × 5/1 = 5/4