Los de erbijsom tot 50 op

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

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