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