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