Oefen de erafsommen tot 100

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

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