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