Los de erafsommen tot 50 op

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

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