Supersnelle sommen tot 50

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

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