Reken de erbijsom tot 50 uit

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

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