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