Reken de erafsom tot 100 uit

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

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