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