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