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