27 + 32 =
36 + 43 =
71 + 26 =
45 + 31 =
83 + 16 =
52 + 42 =
84 + 15 =
63 + 26 =
15 + 63 =
75 + 13 =
47 + 32 =
59 – 27 =
- -
+
78 – 43 =
- -
+
87 – 71 =
- -
+
76 – 45 =
- -
+
99 – 83 =
- -
+
94 – 42 =
- -
+
99 – 84 =
- -
+
89 – 26 =
- -
+
78 – 15 =
- -
+
87 – 55 =
- -
+
99 – 75 =
- -
+
67 – 24 =
- -
+
77 – 56 =
- -
+
99 – 32 =
- -
+