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