Reken de erafsom tot 100 uit

Erafsommen
1.
80
–
65
=
2.
75
–
5
=
3.
70
–
35
=
4.
30
–
25
=
5.
20
–
10
=
6.
90
–
30
=
7.
70
–
40
=
8.
60
–
45
=
9.
100
–
10
=
10.
50
–
20
=
11.
50
–
15
=
12.
100
–
100
=
13.
60
–
5
=
14.
100
–
65
=
15.
25
–
0
=
16.
5
–
5
=
17.
5
–
0
=
18.
100
–
0
=
19.
30
–
20
=
20.
85
–
75
=
21.
5
–
0
=
22.
55
–
5
=
23.
100
–
15
=
24.
60
–
0
=
25.
80
–
15
=
26.
100
–
20
=
27.
80
–
5
=
28.
90
–
20
=
29.
15
–
5
=
30.
20
–
20
=
31.
45
–
15
=
32.
75
–
75
=
33.
35
–
25
=
34.
60
–
0
=
35.
30
–
10
=
36.
45
–
20
=
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Reken de erafsom tot 100 uit
| ANTWOORDEN

Erafsommen
1.
80
–
65
=
15
2.
75
–
5
=
70
3.
70
–
35
=
35
4.
30
–
25
=
5
5.
20
–
10
=
10
6.
90
–
30
=
60
7.
70
–
40
=
30
8.
60
–
45
=
15
9.
100
–
10
=
90
10.
50
–
20
=
30
11.
50
–
15
=
35
12.
100
–
100
=
0
13.
60
–
5
=
55
14.
100
–
65
=
35
15.
25
–
0
=
25
16.
5
–
5
=
0
17.
5
–
0
=
5
18.
100
–
0
=
100
19.
30
–
20
=
10
20.
85
–
75
=
10
21.
5
–
0
=
5
22.
55
–
5
=
50
23.
100
–
15
=
85
24.
60
–
0
=
60
25.
80
–
15
=
65
26.
100
–
20
=
80
27.
80
–
5
=
75
28.
90
–
20
=
70
29.
15
–
5
=
10
30.
20
–
20
=
0
31.
45
–
15
=
30
32.
75
–
75
=
0
33.
35
–
25
=
10
34.
60
–
0
=
60
35.
30
–
10
=
20
36.
45
–
20
=
25
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen