Los de erafsommen tot 20 op
Erafsommen
|
1.
17 – 4 =
13
6
|
2.
6 – 3 =
3
7
|
3.
10 – 8 =
2
5
|
4.
4 – 1 =
1
3
|
|
5.
17 – 5 =
12
3
|
6.
20 – 1 =
8
19
|
7.
12 – 12 =
1
0
|
8.
1 – 0 =
1
5
|
|
9.
16 – 1 =
1
15
|
10.
6 – 5 =
4
1
|
11.
20 – 8 =
12
8
|
12.
2 – 1 =
1
3
|
|
13.
13 – 12 =
3
1
|
14.
4 – 1 =
8
3
|
15.
20 – 1 =
21
19
|
16.
11 – 8 =
2
3
|
|
17.
18 – 3 =
5
15
|
18.
2 – 0 =
2
1
|
19.
15 – 11 =
4
6
|
20.
2 – 2 =
5
0
|