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