Supersnelle sommen tot 50

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

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