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