Question

3m+(1-(2+m))=
Верно ли 3m+2+m=3m+1-2-m=2m-1

Answer 1

Это верно 3m+2+m+1-2-m=2m-1

Answer 2

3m+(1-(2+m))=3m+1-(2+m)=3m+1-2-m=2m-1
Верно!