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