Maak de erbijsom tot 50

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

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