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