Oplossen van erafsommen tot 100

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

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