|
8
1⁄7
−
2
1⁄4
=
|
9
7⁄10
−
4
5⁄6
=
|
7
3⁄7
−
3⁄9
=
|
10
3⁄7
−
4
6⁄9
=
|
||||
|
6
2⁄8
−
5
1⁄4
=
|
9
1⁄3
−
4
3⁄4
=
|
8
2⁄8
−
3
8⁄10
=
|
8
5⁄6
−
6
1⁄2
=
|
||||
|
10
8⁄10
−
4
2⁄6
=
|
1
1⁄2
−
4⁄10
=
|
6
2⁄5
−
3
2⁄6
=
|
6
1⁄8
−
5
4⁄5
=
|
||||
|
2
1⁄2
−
1
1⁄5
=
|
7
4⁄7
−
2
3⁄4
=
|
7
4⁄9
−
4
1⁄5
=
|
5
1⁄4
−
4
1⁄7
=
|
||||
|
9
2⁄3
−
8
7⁄9
=
|
9
4⁄9
−
5
2⁄8
=
|
8
4⁄6
−
6
1⁄3
=
|
9
3⁄6
−
7
5⁄6
=
|
||||
|
7
2⁄4
−
2
7⁄9
=
|
3
3⁄9
−
3⁄8
=
|
8
4⁄7
−
5
7⁄10
=
|
4
1⁄4
−
3
3⁄8
=
|
||||
| 24 sommen | |||||||