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