Reken de erafsom tot 100 uit

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

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