Column Addition (2-Digit)

Find the sum of the numbers below. Use regrouping where necessary.

1) Solve
23
+35
2) Solve
49
+58
3) Solve
80
+17
4) Solve
71
+17
5) Solve
78
+95
6) Solve
83
+49
7) Solve
87
+98
8) Solve
35
+86
9) Solve
27
+14
10) Solve
55
+18
11) Solve
89
+11
12) Solve
74
+69
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