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