2-Digit Addition (Regrouping)

Solve the addition problems below.

1) Solve
64+49=
2) Solve
52+45=
3) Solve
64+82=
4) Solve
51+65=
5) Solve
33+62=
6) Solve
19+71=
7) Solve
79+55=
8) Solve
78+45=
9) Solve
48+46=
10) Solve
34+61=
11) Solve
16+79=
12) Solve
20+39=
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