Reken de sommen tot 12 uit
Erbijsommen
|
1.
10 + 2 =
12
3
|
2.
1 + 11 =
13
12
|
3.
7 + 1 =
8
9
|
4.
1 + 11 =
12
4
|
|
5.
4 + 0 =
9
4
|
6.
9 + 2 =
11
13
|
7.
9 + 2 =
16
11
|
8.
5 + 2 =
7
8
|
|
9.
7 + 3 =
10
5
|
10.
2 + 3 =
5
1
|
11.
12 + 0 =
16
12
|
12.
9 + 2 =
3
11
|
|
13.
9 + 3 =
2
12
|
14.
11 + 0 =
11
10
|
15.
3 + 4 =
10
7
|
16.
6 + 1 =
10
7
|
|
17.
8 + 4 =
4
12
|
18.
1 + 11 =
3
12
|
19.
3 + 6 =
10
9
|
20.
10 + 0 =
10
14
|