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