Column Addition (Multiple 3-Digit)

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

1) Solve
227
144
+131
2) Solve
174
834
+130
3) Solve
334
808
+727
4) Solve
851
844
+614
5) Solve
504
651
+117
6) Solve
502
729
+256
7) Solve
775
830
+261
8) Solve
445
918
+492
9) Solve
680
733
+414
10) Solve
276
243
+184
11) Solve
622
107
+984
12) Solve
677
865
+859
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