Oefen de erafsommen tot 100

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

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