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