1 50 - 28 =
2 79 - 76 =
3 21 - 16 =
4 77 - 52 =
5 98 + 33 =
6 92 + 45 =
7 36 + 21 =
8 49 + 45 =
9 61 + 90 =
10 31 + 78 =
0%