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