Oplossen van erafsommen tot 100

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

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