👤

sa se afle a,b si bb,stiind ca 43-27+a=bb

Răspuns :

a+b==43-27 a=43+27=70 b=43-27=16
[tex]43-27+a=bb\\ a+16=b^2 \\ \boxed{a=y^2-16} \\ 16=b^2-a \\ -b^2+16=-a \\ -b^2=-a-16 \\ b^2=a+16 \\ b=\pm \sqrt{a+16} \\ \boxed{b= \sqrt{b+16} \ sau \ b=- \sqrt{a+16} }[/tex]