-1,5-3 4/5-8 3/20=-13 9/20
1) -1,5-3 4/5=-15/10-19/5=-15/10-38/10=-53/10
2) -53/10-8 3/20=-53/10-163/20=-106/20-163/20=-269/20=-13 9/20
-2 5/8-9,25-3/4=-12 5/8
1) -2 5/8-9,25=-21/8-25/100=-525/200-1850/200=-2375/200
2) -2375/200-3/4=-2375/200-150/200=-2525/200=-12 5/8