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