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