Oefen de erafsommen tot 100

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

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