Los de erafsommen tot 50 op

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

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