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