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