Los de erbijsom tot 50 op

Erbijsommen
1.
0
+
45
=
30
45
25
40
2.
0
+
50
=
40
35
30
50
3.
5
+
25
=
20
25
30
40
4.
0
+
45
=
35
45
40
30
5.
5
+
20
=
25
20
35
15
6.
5
+
45
=
35
50
30
45
7.
5
+
40
=
25
35
30
45
8.
25
+
25
=
30
40
45
50
9.
0
+
35
=
45
35
40
30
10.
0
+
35
=
45
35
25
40
11.
0
+
30
=
35
25
30
40
12.
15
+
35
=
50
40
45
30
13.
25
+
25
=
40
50
35
45
14.
20
+
25
=
25
30
40
45
15.
5
+
45
=
50
35
30
40
16.
5
+
30
=
40
35
45
30
17.
15
+
35
=
30
35
45
50
18.
20
+
25
=
25
35
30
45
19.
15
+
20
=
45
35
25
30
20.
0
+
45
=
45
25
40
35
21.
15
+
25
=
20
25
30
40
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Los de erbijsom tot 50 op
| ANTWOORDEN

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