Reken de erbijsom tot 50 uit

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

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