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