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