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