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