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