1
/
2
+
1
/
3
=
____________________
/
6
1
/
2
-
1
/
3
=
1
/
____________________
1
/
2
·
1
/
3
=
____________________
/
6
1
/
2
:
1
/
3
=
____________________
/
____________________
2
/
5
+
3
/
5
=
____________________
/
5
=
1
1
/
2
·
1
/
2
·
1
/
2
=
____________________
/
8
