Maak de erbijsom tot 50

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

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