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