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