Maak de erbijsom tot 50

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

Maak de erbijsom tot 50
| ANTWOORDEN

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