Maak de erbijsom tot 50

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

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