👤

Ultimele doua ex
Plz!


Ultimele Doua Ex Plz class=

Răspuns :

Primul exercitiu: a+b=248 a+13=b:2 inmultim cu 2 2a+26=b a+2a+26=248 3a+26=248 3a=248-26 3a=222 a=222:3 a=74 b=74*2+26=148+26 b=174