Reken de erafsom tot 100 uit

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

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