Question

Efetue os cálculos a seguir:
a) 3/9 + 5/9
b) 10/7 – 4/7
c) 6/11 + 1/11
d) 7/15 – 4/15 + 2/15
e) 8/12 – 1/5
f) 1/4 + 2/3

Answer 1

As respostas corretas são:

a)8/9

b)6/7

c)7/11

d)1/3

e)7/15

f)11/12