Question

Раскройте скобки
a+(b-c)= x-(y+2)= m-(-n-k)= 9-(a+b+c)= x-(-3+y-z)=
m+(8+n-k)=
a-(b-c+d)=
x+(y-z+8)
m-(-2+n+k)

Answer 1

a+b-c=x-y-2=m+n-k=9-a-b-c=x+3+y-z=
m+8+n-k=
a-b+c-d=
x+y-z+8
m+2+n+k

Вроде так