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