Reken de erafsom tot 100 uit

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

Reken de erafsom tot 100 uit
| ANTWOORDEN

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