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