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