3+(-1 1/5)=
2 3/8+(-1/24)=
-12-(-6 1/7)=
8-у=-7 2/3
-7 7/8+(-7 1/16)=
-5/6+а, если а=-15,3
У+(-0,5)=-165
ПОМОГИТЕ СРОЧНО ООО

3+(-1 1/5)= 3-1 1/5=2 5/5-1 1/5= 1 4/52 3/8+(-1/24)= 2 3/8-1/24=2 9/24-1/ 24==1 8/24==1 1/3-12-(-6 1/7)=-12+6 1/7=-11 7/7+6 1/7=-5 1/78-у=-7 2/3-y=-7 2/3-8-y=-7 2/3-7 3/3-y=-14 5/3-y=-15 2/3y=15 2/3-7 7/8+(-7 1/16)=-7 7/8-7 1/16=-7 2/16-7 1/16==-14 3/16-5/6+а=-5,6+(-15.3)=-5,6-15.3=-20.9 если а=-15,3У+(-0,5)=-165y-0,5=-165y=-165+0,5y=-154,5