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