1x1-Addition
2+4
6
5-4
1
10+12
22
23-11
12
$3.00 - $0.55
$2.45
4+5
9
6-0
6
50+50
100
30-16
14
$4.50+$4.50
$9.00
6+5
11
7-4
3
23+32
55
45-32
13
$12.00-$9.50
$2.50
8+6
14
9-2
7
16+18
34
90-60
30
$7.00+$25.00
$32.00
9+9
18
9-7
2
45+36
81
99-77
22
$50.00-$46.00
$4.00