Reken de erbijsom tot 50 uit

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

Reken de erbijsom tot 50 uit
| ANTWOORDEN

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