Oplossen van erafsommen tot 100

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

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