Oefen de erafsommen tot 100

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

Oefen de erafsommen tot 100
| ANTWOORDEN

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