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