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