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