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