1
quanto é 10+60 =
70
20
2
12+60=
73
72
3
20+70=
90
40
4
100+200=
300
400
5
400-100=
300
403
6
50-10=
40
41
7
104-60
27
44
8
199-20
179
15
9
158-120
38
13
10
24-22=
2
1
11
17-10=
6
7
12
19-15=
4
5
13
12-10=
8
2
14
999-111=
333
888
15
963-712=
251
167
16
854-722=
132
123