Erbijsommen tot 50

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

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