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