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