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