Supersnelle sommen tot 50

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

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