Rekensommen met erbij tot 50

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

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