-
|
+
|
=8
|
|||
×
|
n
|
+
|
n
|
-
|
n
|
+
|
6
|
-
|
=4
|
||
-
|
n
|
:
|
n
|
×
|
n
|
×
|
-
|
=5
|
|||
=5
|
n
|
=4
|
n
|
=6
|
n
|
3
|
-
|
2
|
+
|
7
|
=8
|
×
|
n
|
+
|
n
|
-
|
n
|
3
|
+
|
6
|
-
|
5
|
=4
|
-
|
n
|
:
|
n
|
×
|
n
|
4
|
×
|
2
|
-
|
3
|
=5
|
=5
|
n
|
=4
|
n
|
=6
|
n
|