Maak de erbijsom tot 50

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

Maak de erbijsom tot 50
| ANTWOORDEN

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