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