Oplossen van erafsommen tot 100

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

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