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