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