Maak de erafsom tot 100

Erafsommen
1.
20
–
10
=
2.
100
–
50
=
3.
20
–
10
=
4.
85
–
70
=
5.
80
–
50
=
6.
5
–
5
=
7.
50
–
20
=
8.
90
–
55
=
9.
20
–
20
=
10.
15
–
15
=
11.
15
–
15
=
12.
10
–
5
=
13.
75
–
35
=
14.
90
–
70
=
15.
10
–
10
=
16.
100
–
80
=
17.
50
–
10
=
18.
90
–
30
=
19.
35
–
0
=
20.
75
–
35
=
21.
60
–
40
=
22.
40
–
35
=
23.
45
–
40
=
24.
5
–
0
=
25.
35
–
35
=
26.
60
–
25
=
27.
15
–
0
=
28.
30
–
5
=
29.
80
–
0
=
30.
85
–
80
=
31.
5
–
0
=
32.
20
–
0
=
33.
20
–
10
=
34.
20
–
10
=
35.
20
–
20
=
36.
55
–
40
=
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Maak de erafsom tot 100
| ANTWOORDEN

Erafsommen
1.
20
–
10
=
10
2.
100
–
50
=
50
3.
20
–
10
=
10
4.
85
–
70
=
15
5.
80
–
50
=
30
6.
5
–
5
=
0
7.
50
–
20
=
30
8.
90
–
55
=
35
9.
20
–
20
=
0
10.
15
–
15
=
0
11.
15
–
15
=
0
12.
10
–
5
=
5
13.
75
–
35
=
40
14.
90
–
70
=
20
15.
10
–
10
=
0
16.
100
–
80
=
20
17.
50
–
10
=
40
18.
90
–
30
=
60
19.
35
–
0
=
35
20.
75
–
35
=
40
21.
60
–
40
=
20
22.
40
–
35
=
5
23.
45
–
40
=
5
24.
5
–
0
=
5
25.
35
–
35
=
0
26.
60
–
25
=
35
27.
15
–
0
=
15
28.
30
–
5
=
25
29.
80
–
0
=
80
30.
85
–
80
=
5
31.
5
–
0
=
5
32.
20
–
0
=
20
33.
20
–
10
=
10
34.
20
–
10
=
10
35.
20
–
20
=
0
36.
55
–
40
=
15
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen