Oplossen van erafsommen tot 100

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

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