👤

Daca x supra 3 =y supra4, atunci x +y supra y -x


Răspuns :

Răspuns:

4x=3y;; x=3y/4; {(3y/4)+y}\y-(3y/4)={(3y+4y)/4}\(4y-3y)/4=(7y/4)/(y/4)=7y/4