-
9 +
9
= 9 + 8 =
9 + 7
=
9 + 6 =
9 + 5 = 9 + 4
=
9 + 3 =
9 + 2 = 8 + 9
8 + 8 = 8 + 7
8 + 5 = 8 + 4
= 8 + 3 =
7
+ 9 = 7 + 8 =
7 + 7 =
7
+
6 = 7 + 5 =
7 + 4
6 + 9 =
6 + 8 = 6 + 7 =
6 + 6 = 6 + 5
= 5 + 9 =
= 8 + 6
=
=
=
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-
-
-
-
-
-
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