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