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