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