Reken de erafsom tot 100 uit

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

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