Supersnelle sommen tot 50

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

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