Los de erbijsom tot 50 op

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

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