Question

раскройте скобки
(t+s)+(-p-m)
(m-n)-(k-t)
(a-b)+(c-d)
(x+y)-(z+t)

Answer 1

(t+s)+(-p-m)

t+s-p-m

(m-n)-(k-t)

m-n-k+t

(a-b)+(c-d)

a-b+c-d

(x+y)-(z+t)

x+y-z-t