Supersnelle sommen tot 50

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

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