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