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