Question

Va rog exercitiul 3 va rog nu știu cum să-l va rog dau COROANA

Answer 1

(a,b,c)-------d.p.(2,3,4)=180
a/2+b/3+c/4=180
a/2=k=>a=2K
b/3=k=>b=3k
c/4=k=>b=4k
2k+3k+4k=180
k=180:9=20
k=20
a=20k•2=40]
b=20k•3=60]=>180
c=20k•4=80]
verificare:
40+60+80=100+80=180