Reken de erafsom tot 100 uit

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

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