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