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