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