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