Column Addition (4-Digit)

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

1) Solve
3687
+4249
2) Solve
4822
+7813
3) Solve
1794
+7564
4) Solve
6659
+5078
5) Solve
7223
+4455
6) Solve
7975
+6607
7) Solve
3174
+3262
8) Solve
9800
+4101
9) Solve
8548
+3277
10) Solve
4285
+5066
11) Solve
4465
+3689
12) Solve
8297
+3209
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