A - ( - b - c - d ) + ( - c + f ) a+(-b-c-d)-(c-f) a-(-b+c-d)+(c-f) a+(b-c+d)-(-c+f)

Question

A - ( - b - c - d ) + ( - c + f )
a+(-b-c-d)-(c-f)
a-(-b+c-d)+(c-f)
a+(b-c+d)-(-c+f)

Answer 1

Незнаю даже A - ( - b - c - d ) + ( - c + f )
a+(-b-c-d)-(c-f)
a-(-b+c-d)+(c-f)
a+(b-c+d)-(-c+f)