Erafsommen tot 20
Erafsommen
|
1.
10 – 9 =
1
5
|
2.
19 – 0 =
19
2
|
3.
7 – 7 =
5
0
|
4.
12 – 6 =
1
6
|
|
5.
13 – 11 =
2
5
|
6.
17 – 15 =
4
2
|
7.
3 – 2 =
2
1
|
8.
6 – 6 =
0
1
|
|
9.
13 – 3 =
10
11
|
10.
5 – 3 =
7
2
|
11.
14 – 13 =
1
2
|
12.
2 – 0 =
3
2
|
|
13.
9 – 5 =
4
6
|
14.
1 – 0 =
1
4
|
15.
12 – 6 =
6
10
|
16.
13 – 7 =
6
8
|
|
17.
7 – 2 =
5
8
|
18.
6 – 2 =
3
4
|
19.
2 – 1 =
1
3
|
20.
10 – 4 =
8
6
|