Maak de erbijsom tot 50

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

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