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