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