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