Oefen de erafsommen tot 100

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

Oefen de erafsommen tot 100
| ANTWOORDEN

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