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