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