Oplossen van erafsommen tot 50

Erafsommen
1.
20
-
0
=
25
15
30
20
2.
45
-
45
=
5
20
15
0
3.
25
-
10
=
10
5
15
25
4.
10
-
10
=
15
20
10
0
5.
30
-
10
=
15
20
30
10
6.
45
-
0
=
35
40
45
25
7.
40
-
0
=
20
35
40
30
8.
35
-
0
=
35
40
30
45
9.
15
-
0
=
20
10
15
5
10.
40
-
15
=
20
15
35
25
11.
50
-
10
=
40
25
30
20
12.
5
-
5
=
15
10
0
20
13.
30
-
5
=
20
25
35
15
14.
30
-
20
=
5
10
15
0
15.
50
-
5
=
25
40
30
45
16.
35
-
25
=
0
10
15
5
17.
5
-
0
=
15
20
10
5
18.
15
-
5
=
15
0
20
10
19.
30
-
30
=
5
20
0
15
20.
15
-
15
=
15
5
0
20
21.
30
-
10
=
25
15
20
10

Oplossen van erafsommen tot 50
| ANTWOORDEN

Erafsommen
1.
20
-
0
=
25
15
30
20
2.
45
-
45
=
5
20
15
0
3.
25
-
10
=
10
5
15
25
4.
10
-
10
=
15
20
10
0
5.
30
-
10
=
15
20
30
10
6.
45
-
0
=
35
40
45
25
7.
40
-
0
=
20
35
40
30
8.
35
-
0
=
35
40
30
45
9.
15
-
0
=
20
10
15
5
10.
40
-
15
=
20
15
35
25
11.
50
-
10
=
40
25
30
20
12.
5
-
5
=
15
10
0
20
13.
30
-
5
=
20
25
35
15
14.
30
-
20
=
5
10
15
0
15.
50
-
5
=
25
40
30
45
16.
35
-
25
=
0
10
15
5
17.
5
-
0
=
15
20
10
5
18.
15
-
5
=
15
0
20
10
19.
30
-
30
=
5
20
0
15
20.
15
-
15
=
15
5
0
20
21.
30
-
10
=
25
15
20
10