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