Oefen de erafsommen tot 100

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

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