Oefen de erafsommen tot 100

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

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