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