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