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