Supersnelle sommen tot 50

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

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