-
9
+
2
=
(
)
9
+
3
=
(
)
9
+
4
=(
)
9
+
5
=
(
)
9
+
6
=
(
9
+
8
=
(
6
+
9
=
(
8
+
3
=
(
8
+
5
=(
8
+
7
=
(
)
9
+
7
=
(
)
9
+
9
=
(
)
5
+
9
=
(
)
8
+
4
=
(
)
8
+
6
=
(
)
8
+
8
=
(
)
)
)
)
)
)
1
8
+
9
=
(
)
6
+
8
=
(
)
7
+
8
=
(
)
3
+
8
=
(
)
7
+
4
=
(
7
+
6
=(
7
+
9
=
(
4
+
7
=
(
6
+
7
=
(
8
+
7
=
(
)
7
+
5
=
(
)
7
+
8
=
(
)
7
+
7
=
(
)
5
+
7
=
(
)
7
+
7
=
(
)
9
+
7
=
(
)
)
)
)
)
)
2
-
-
-
-
-
-
-
-
-
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