Erafsommen tot 20
Erafsommen
|
1.
17 – 0 =
7
17
|
2.
3 – 0 =
5
3
|
3.
3 – 1 =
2
6
|
4.
19 – 16 =
8
3
|
|
5.
18 – 2 =
3
16
|
6.
11 – 10 =
1
2
|
7.
20 – 2 =
22
18
|
8.
15 – 4 =
1
11
|
|
9.
18 – 13 =
2
5
|
10.
2 – 1 =
1
3
|
11.
13 – 13 =
3
0
|
12.
18 – 14 =
4
2
|
|
13.
4 – 3 =
3
1
|
14.
14 – 13 =
1
4
|
15.
8 – 6 =
2
3
|
16.
10 – 5 =
10
5
|
|
17.
11 – 7 =
4
6
|
18.
19 – 17 =
2
1
|
19.
12 – 4 =
7
8
|
20.
17 – 9 =
8
11
|