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