Question

-a+(m-2.6)

-(80-16)+84

-a+(m-2.6)

c+(-a-b)

a-(b-k-n)

-(a-b+c)

(m-n)-(p-k)

раскройте скобки

Answer 1

-a+(m-2.6)=-a+m-2.6
-(80-16)+84=-80+16+84
c+(-a-b)=c-a-b
a-(b-k-n)=a-b+k+n
-(a-b+c)=-a+b-c
(m-n)-(p-k)=m-n-p+k

Answer 2

-a+(m-2.6)=-а+m-2.6
-(80-16)+84=-80+16+84=20
c+(-a-b)=c-a-b
a-(b-k-n)=a-b+k+n
-(a-b+c)=-a+b-c
(m-n)-(p-k)=m-n-p+k