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