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