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