Question

помогите там ещё 4.)9-(a+b+c)
5.)x-(-3+y-z) 6.)m+(8+n-k) 7.) a-(b-c+d) 8.) x+(y-z+8) 9.) m-(-2+n+k)​

Answer 1

1)а+(b-c) =a +b-c
2)x-(y+2)=x-y-2
3)m-(-n-k) =m+n+k
4)9-(a+b+c)=9-a-b-c
5)x-(-3+y-z) =x+3-y+z
6)m+(8+n-k) =m+8+n-k
7)a-(b-c+d)=a-b+c-d
8)x+(y-z+8)=x+y-z+8
9)m-(-2+n+k)=m+2-n-k