-
100-39
what is 61?
100+30
what is 130?
10 x 10
what is 100?
40+20
what is 60?
56-30
what is 26?
40-12
what is 28?
20+30
what is 50?
8 x 9
what is 72?
70-12
what is 58?
1x5
what is 5?
70-50
what is 20?
70+37
what is 107?
6 x 5
30
9x4
what is 36?
35+20
what is 55?
400-20
what is 380?
10+60
what is 70?
80 x 9
what is 720?
12-4
what is 8?
12x9
what is 108?
300-108
what is 192?
800+10
what is 810?
4 x 7
what is 28?
10-5
what is 5?
40-30
what is 10?