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