Oefen de erafsommen tot 100

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

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