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