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