Supersnelle sommen tot 50
Erafsommen
1.
10
-
0
=
5
15
10
0
2.
30
-
15
=
25
15
20
5
3.
10
-
10
=
20
0
5
15
4.
45
-
0
=
35
40
45
30
5.
15
-
10
=
15
20
5
10
6.
20
-
20
=
0
15
5
10
7.
45
-
10
=
40
25
35
45
8.
40
-
35
=
25
5
15
20
9.
30
-
5
=
35
20
25
30
10.
35
-
35
=
20
10
15
0
11.
15
-
0
=
15
25
5
20
12.
10
-
0
=
0
5
10
15
13.
40
-
25
=
10
20
5
15
14.
20
-
0
=
30
25
10
20
15.
50
-
35
=
15
25
20
10
16.
30
-
25
=
10
20
15
5
17.
45
-
45
=
20
0
15
10
18.
15
-
15
=
20
15
0
10
19.
40
-
40
=
0
5
20
10
20.
20
-
15
=
5
25
10
20
21.
10
-
0
=
15
5
10
0
Supersnelle sommen tot 50
| ANTWOORDEN
Erafsommen
1.
10
-
0
=
5
15
10
0
2.
30
-
15
=
25
15
20
5
3.
10
-
10
=
20
0
5
15
4.
45
-
0
=
35
40
45
30
5.
15
-
10
=
15
20
5
10
6.
20
-
20
=
0
15
5
10
7.
45
-
10
=
40
25
35
45
8.
40
-
35
=
25
5
15
20
9.
30
-
5
=
35
20
25
30
10.
35
-
35
=
20
10
15
0
11.
15
-
0
=
15
25
5
20
12.
10
-
0
=
0
5
10
15
13.
40
-
25
=
10
20
5
15
14.
20
-
0
=
30
25
10
20
15.
50
-
35
=
15
25
20
10
16.
30
-
25
=
10
20
15
5
17.
45
-
45
=
20
0
15
10
18.
15
-
15
=
20
15
0
10
19.
40
-
40
=
0
5
20
10
20.
20
-
15
=
5
25
10
20
21.
10
-
0
=
15
5
10
0