Erafsommen tot 100

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

Erafsommen tot 100
| ANTWOORDEN

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