28 + 7 18 =



3 15 + 3 45 =



5 69 + 6 69 =



2 26 + 8 36 =



8 13 + 10 13 =



9 210 + 10 910 =



4 57 + 7 57 =



12 + 10 12 =



4 68 + 8 28 =



10 13 + 3 13 =



7 45 + 5 25 =



4 910 + 1 610 =



5 35 + 5 45 =



7 12 + 3 12 =



46 + 2 16 =



9 39 + 2 89 =



2 17 + 1 47 =



10 910 + 2 510 =



10 26 + 7 46 =



5 68 + 5 48 =



2 79 + 9 29 =



4 36 + 6 26 =



10 68 + 3 78 =



7 610 + 7 910 =