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