Question

7) Efetue:
a) 1/5 + 7/5 =                   
 b) 2/3 + 1/6 =                
 c) 2/5 – 1/10 =                     
d) 1 + 1/3 – 1/4 =
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Answer 1

Resposta:

Explicação passo-a-passo:

a.

1/5+7/5=

8/5

b.

2/3+1/6=

4/6 +1/6=

5/6

c.

2/5-1/10=

4/10-1/10=

3/10

d.

1 + 1/3 -1/4=

12/12 + 4/12 - 3/12 =

16/12 -3/12=

13/12