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