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