Oefen de erafsommen tot 100

Erafsommen
1.
85
–
45
=
2.
65
–
40
=
3.
75
–
70
=
4.
55
–
10
=
5.
55
–
5
=
6.
55
–
55
=
7.
65
–
50
=
8.
90
–
30
=
9.
85
–
20
=
10.
95
–
20
=
11.
85
–
5
=
12.
55
–
55
=
13.
20
–
15
=
14.
80
–
75
=
15.
75
–
55
=
16.
100
–
75
=
17.
65
–
0
=
18.
35
–
25
=
19.
30
–
10
=
20.
10
–
0
=
21.
85
–
55
=
22.
15
–
15
=
23.
45
–
25
=
24.
35
–
30
=
25.
100
–
15
=
26.
10
–
5
=
27.
90
–
25
=
28.
60
–
45
=
29.
75
–
15
=
30.
15
–
5
=
31.
40
–
30
=
32.
40
–
40
=
33.
60
–
5
=
34.
50
–
30
=
35.
85
–
50
=
36.
65
–
5
=
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Oefen de erafsommen tot 100
| ANTWOORDEN

Erafsommen
1.
85
–
45
=
40
2.
65
–
40
=
25
3.
75
–
70
=
5
4.
55
–
10
=
45
5.
55
–
5
=
50
6.
55
–
55
=
0
7.
65
–
50
=
15
8.
90
–
30
=
60
9.
85
–
20
=
65
10.
95
–
20
=
75
11.
85
–
5
=
80
12.
55
–
55
=
0
13.
20
–
15
=
5
14.
80
–
75
=
5
15.
75
–
55
=
20
16.
100
–
75
=
25
17.
65
–
0
=
65
18.
35
–
25
=
10
19.
30
–
10
=
20
20.
10
–
0
=
10
21.
85
–
55
=
30
22.
15
–
15
=
0
23.
45
–
25
=
20
24.
35
–
30
=
5
25.
100
–
15
=
85
26.
10
–
5
=
5
27.
90
–
25
=
65
28.
60
–
45
=
15
29.
75
–
15
=
60
30.
15
–
5
=
10
31.
40
–
30
=
10
32.
40
–
40
=
0
33.
60
–
5
=
55
34.
50
–
30
=
20
35.
85
–
50
=
35
36.
65
–
5
=
60
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen