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