Question

Помогите! Уберите скобки и упростите вырожения

Answer 1

(u+v)-(v-u)=u+v-v+u=u+u=2u
m-(n-p-m)=m-n+p+m=2m-n+p
(a+b)-(b+c)-(a-c)=a+b-b-c-a+c=-c+c=0
(10-a)*4=40-4a
12(a-b)=12a-12b
-3(x-y)=-3x+3y
-7(b+5)=-7b-35
y(x-y-z)=xy-y²-yz
(a-m+n)*(-5)=-5a+5m-5n