Reken de erbijsom tot 50 uit

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

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