Reken de erbijsom tot 50 uit

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

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