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