Rekensommen met erbij tot 50

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

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