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