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