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