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