Erafsommen oplossen tot 50

Erafsommen
1.
35
–
35
=
2.
5
–
5
=
3.
10
–
10
=
4.
10
–
10
=
5.
15
–
5
=
6.
50
–
35
=
7.
50
–
15
=
8.
10
–
10
=
9.
50
–
15
=
10.
15
–
0
=
11.
40
–
0
=
12.
10
–
5
=
13.
20
–
0
=
14.
15
–
15
=
15.
25
–
25
=
16.
20
–
20
=
17.
5
–
5
=
18.
45
–
0
=
19.
30
–
0
=
20.
15
–
15
=
21.
30
–
30
=
22.
20
–
10
=
23.
20
–
15
=
24.
20
–
5
=
25.
45
–
20
=
26.
10
–
0
=
27.
20
–
15
=
28.
20
–
20
=
29.
25
–
25
=
30.
35
–
15
=
31.
50
–
45
=
32.
40
–
25
=
33.
45
–
10
=
34.
25
–
20
=
35.
5
–
5
=
36.
50
–
40
=
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Erafsommen oplossen tot 50
| ANTWOORDEN

Erafsommen
1.
35
–
35
=
0
2.
5
–
5
=
0
3.
10
–
10
=
0
4.
10
–
10
=
0
5.
15
–
5
=
10
6.
50
–
35
=
15
7.
50
–
15
=
35
8.
10
–
10
=
0
9.
50
–
15
=
35
10.
15
–
0
=
15
11.
40
–
0
=
40
12.
10
–
5
=
5
13.
20
–
0
=
20
14.
15
–
15
=
0
15.
25
–
25
=
0
16.
20
–
20
=
0
17.
5
–
5
=
0
18.
45
–
0
=
45
19.
30
–
0
=
30
20.
15
–
15
=
0
21.
30
–
30
=
0
22.
20
–
10
=
10
23.
20
–
15
=
5
24.
20
–
5
=
15
25.
45
–
20
=
25
26.
10
–
0
=
10
27.
20
–
15
=
5
28.
20
–
20
=
0
29.
25
–
25
=
0
30.
35
–
15
=
20
31.
50
–
45
=
5
32.
40
–
25
=
15
33.
45
–
10
=
35
34.
25
–
20
=
5
35.
5
–
5
=
0
36.
50
–
40
=
10
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Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen