Oefen de erafsommen tot 100

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

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