Supersnelle sommen tot 50

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

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