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