Rekensommen met erbij tot 50

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

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