Reken de erafsom tot 100 uit

Erafsommen
1.
20
–
10
=
2.
95
–
20
=
3.
5
–
0
=
4.
100
–
10
=
5.
40
–
30
=
6.
10
–
10
=
7.
30
–
25
=
8.
5
–
5
=
9.
75
–
35
=
10.
90
–
65
=
11.
50
–
15
=
12.
10
–
0
=
13.
90
–
80
=
14.
35
–
5
=
15.
90
–
20
=
16.
85
–
85
=
17.
80
–
10
=
18.
75
–
25
=
19.
25
–
15
=
20.
85
–
70
=
21.
100
–
40
=
22.
30
–
20
=
23.
60
–
20
=
24.
60
–
5
=
25.
60
–
20
=
26.
65
–
0
=
27.
25
–
10
=
28.
85
–
10
=
29.
75
–
5
=
30.
5
–
0
=
31.
80
–
30
=
32.
5
–
5
=
33.
100
–
50
=
34.
95
–
65
=
35.
35
–
20
=
36.
25
–
10
=
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Reken de erafsom tot 100 uit
| ANTWOORDEN

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