Oefen de erafsommen tot 100

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

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