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