Question

1. Calcule
a) 2
6
+
3
6
b) 4
7
−
1
7
c) 1
4
+
9
4
+
3
4

Answer 1

Resposta:

a) 2/6 + 3/6

↓

2+3/6

↓

5/6

b) 4/7 - 1/7

↓

4-1/7

↓

3/7

c) 1/4 + 9/4 + 3/4

↓

1+9+3/4

↓

13/4