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