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