Los de erbijsom en erafsom tot 20 op
In de mix
|
1.
14 – 5 =
2
3
9
1
|
2.
1 – 0 =
2
3
4
1
|
3.
20 – 20 =
3
2
0
4
|
4.
10 – 4 =
3
1
2
6
|
|
5.
14 + 1 =
2
15
3
1
|
6.
7 – 0 =
7
3
2
1
|
7.
6 – 0 =
1
3
2
6
|
8.
3 – 3 =
0
2
4
3
|
|
9.
20 + 0 =
2
4
20
3
|
10.
20 – 17 =
2
3
1
4
|
11.
10 + 2 =
3
12
2
1
|
12.
6 – 0 =
3
6
2
1
|
|
13.
18 + 2 =
2
3
4
20
|
14.
6 – 6 =
3
0
4
2
|
15.
16 + 2 =
2
3
18
4
|
16.
1 – 0 =
2
1
3
4
|
|
17.
17 – 2 =
1
3
15
2
|
18.
12 – 3 =
1
2
3
9
|
19.
5 – 4 =
4
3
2
1
|
20.
20 + 0 =
4
20
3
2
|