Oefen de erafsommen tot 100

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

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