Snelle erafsommen tot 100

Erafsommen
1.
30
-
25
=
20
10
5
25
2.
85
-
75
=
20
10
15
0
3.
25
-
25
=
5
20
0
10
4.
10
-
0
=
10
15
0
5
5.
10
-
5
=
10
20
25
5
6.
5
-
5
=
0
10
15
5
7.
95
-
75
=
15
10
20
30
8.
60
-
5
=
45
50
60
55
9.
70
-
15
=
45
55
60
65
10.
35
-
30
=
5
15
25
20
11.
5
-
5
=
10
15
0
20
12.
40
-
10
=
40
30
25
20
13.
90
-
20
=
70
60
80
75
14.
35
-
35
=
10
0
5
20
15.
95
-
10
=
90
95
85
80
16.
15
-
15
=
0
20
5
10
17.
25
-
25
=
0
10
5
20
18.
5
-
5
=
15
0
10
20
19.
70
-
25
=
40
35
55
45
20.
100
-
65
=
40
30
25
35
21.
50
-
35
=
10
25
15
5
© JuniorEinstein.nl
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Snelle erafsommen tot 100
| ANTWOORDEN

Erafsommen
1.
30
-
25
=
20
10
5
25
2.
85
-
75
=
20
10
15
0
3.
25
-
25
=
5
20
0
10
4.
10
-
0
=
10
15
0
5
5.
10
-
5
=
10
20
25
5
6.
5
-
5
=
0
10
15
5
7.
95
-
75
=
15
10
20
30
8.
60
-
5
=
45
50
60
55
9.
70
-
15
=
45
55
60
65
10.
35
-
30
=
5
15
25
20
11.
5
-
5
=
10
15
0
20
12.
40
-
10
=
40
30
25
20
13.
90
-
20
=
70
60
80
75
14.
35
-
35
=
10
0
5
20
15.
95
-
10
=
90
95
85
80
16.
15
-
15
=
0
20
5
10
17.
25
-
25
=
0
10
5
20
18.
5
-
5
=
15
0
10
20
19.
70
-
25
=
40
35
55
45
20.
100
-
65
=
40
30
25
35
21.
50
-
35
=
10
25
15
5
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen