👤

DAU COROANA!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!PRIMELE 3 EXERCITII!!!!!!!!!!

DAU COROANAPRIMELE 3 EXERCITII class=

Răspuns :

10. A=L•l=>L=A•l, L=12•2/5•80•3/5=12•5+2/5•80•5+3/5=62/5•403/5=5•62+5•403/25=310+2015/25=2325/25=93 m

11. p1=x; x•3•1/2=105=>x=105:3,5=30
p2=105