Reken de erafsom tot 100 uit

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

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