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