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