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