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