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