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