Maak de erbijsom tot 50

Erbijsommen
1.
30
+
15
=
2.
50
+
0
=
3.
45
+
5
=
4.
25
+
25
=
5.
15
+
5
=
6.
50
+
0
=
7.
40
+
0
=
8.
15
+
5
=
9.
35
+
15
=
10.
45
+
0
=
11.
15
+
15
=
12.
15
+
10
=
13.
35
+
0
=
14.
45
+
5
=
15.
15
+
5
=
16.
30
+
15
=
17.
20
+
15
=
18.
15
+
0
=
19.
35
+
10
=
20.
35
+
10
=
21.
25
+
20
=
22.
40
+
0
=
23.
30
+
0
=
24.
15
+
10
=
25.
50
+
0
=
26.
45
+
5
=
27.
35
+
10
=
28.
30
+
0
=
29.
25
+
5
=
30.
50
+
0
=
31.
10
+
10
=
32.
45
+
0
=
33.
35
+
15
=
34.
40
+
5
=
35.
30
+
5
=
36.
5
+
0
=
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Maak de erbijsom tot 50
| ANTWOORDEN

Erbijsommen
1.
30
+
15
=
45
2.
50
+
0
=
50
3.
45
+
5
=
50
4.
25
+
25
=
50
5.
15
+
5
=
20
6.
50
+
0
=
50
7.
40
+
0
=
40
8.
15
+
5
=
20
9.
35
+
15
=
50
10.
45
+
0
=
45
11.
15
+
15
=
30
12.
15
+
10
=
25
13.
35
+
0
=
35
14.
45
+
5
=
50
15.
15
+
5
=
20
16.
30
+
15
=
45
17.
20
+
15
=
35
18.
15
+
0
=
15
19.
35
+
10
=
45
20.
35
+
10
=
45
21.
25
+
20
=
45
22.
40
+
0
=
40
23.
30
+
0
=
30
24.
15
+
10
=
25
25.
50
+
0
=
50
26.
45
+
5
=
50
27.
35
+
10
=
45
28.
30
+
0
=
30
29.
25
+
5
=
30
30.
50
+
0
=
50
31.
10
+
10
=
20
32.
45
+
0
=
45
33.
35
+
15
=
50
34.
40
+
5
=
45
35.
30
+
5
=
35
36.
5
+
0
=
5
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen