Reken de erbijsom tot 50 uit

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

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