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