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