Los de som tot 50 op

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

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