Rekensommen met erbij tot 50

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

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