Oefen de erafsommen tot 100

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

Oefen de erafsommen tot 100
| ANTWOORDEN

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