Question

2/1/5+1/3/6

4/6-1/5

4/6.3/2.3/3

Answer 1

Resposta:

2 1

---- -----

1 + 3 =

---- ------

5 6

2 · 5 + 1 · 6/3 =

10 + 2 =

12

4/6 - 1/5 =

20/30 - 6/30 =

14/30 =

7/15

4/6 · 3/2 ·3/3 =

36/36 =

1