(х-1 15/16)+7 3/16=8 1/16+4 9/16       15 3/28-(4 11/28+у)=7-1 9/28

(х-1 15/16)+7 3/16=8 1/16+4 9/16 (х-1 15/16)+7 3/16=12 10/16х-1 15/16=12 10/16-7 3/16х-1 15/16=5 7/16x=5 7/16+1 15/16x=7 3/815 3/28-(4 11/28+у)=7-1 9/2815 3/28-(4 11/28+у)=5 19/28-(4 11/28+у)=15 3/28-5 19/284 11/28-y=9 12/28y=9 12/28-4 11/28y=5 1/28