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