Oefen de erafsommen tot 100

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

Oefen de erafsommen tot 100
| ANTWOORDEN

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