Los de som tot 50 op

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

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