Supersnelle sommen tot 50

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

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