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