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