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