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