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