Supersnelle sommen tot 50

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

Erbijsommen
1.
50
+
0
=
50
45
35
40
2.
45
+
0
=
35
45
30
40
3.
30
+
10
=
20
40
25
35
4.
20
+
10
=
40
35
30
20
5.
45
+
5
=
35
50
30
40
6.
30
+
20
=
40
50
45
35
7.
35
+
0
=
40
45
35
25
8.
40
+
10
=
35
45
40
50
9.
30
+
10
=
40
35
30
20
10.
25
+
20
=
35
30
25
45
11.
40
+
0
=
35
25
30
40
12.
40
+
10
=
50
35
40
30
13.
15
+
0
=
15
25
20
5
14.
45
+
0
=
45
25
35
40
15.
15
+
0
=
10
15
25
20
16.
35
+
0
=
35
30
25
45
17.
40
+
10
=
45
50
30
40
18.
25
+
15
=
30
20
35
40
19.
50
+
0
=
40
30
35
50
20.
10
+
5
=
20
5
15
25
21.
30
+
20
=
50
40
30
35
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen