Maak de erbijsom tot 50

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

Maak de erbijsom tot 50
| ANTWOORDEN

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