Los de erbijsom tot 50 op

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

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