раскройте скобки
(-10)*(2+х+y)=
(-7)*(a+b+5)=
-9*(x+7+y)=
2*(5-x-y)=
(-3)*(a+10-b)=
7*(x-1+y)=
(-15)*(c-d-3)=
4*(a-b+8)=
(-12)*(-x-y+2)=
(-10)*(2+х+y)=-20-10x-10y (-7)*(a+b+5)=-7a-7b-35 -9*(x+7+y)=-9x-63-9y 2*(5-x-y)=10-2x-2y (-3)*(a+10-b)=-3a-30+3b 7*(x-1+y)=7x-7+7y (-15)*(c-d-3)=-15c+15d+45 4*(a-b+8)=4a-4b-32 (-12)*(-x-y+2)=12x+12y-144