{a,b,c}i.p.{1\10;1/5;3/10} 2b+3a+5c=110aflati a,b,c=?


Răspuns :

A/10=b/5=3c/10=k

A=10k
B=5k
3c=10k
C=10/3k

2b=10k
3a=30k
5c=50/3k

10k+30k+50/3k=110 aducem tot la același numitor (amplificăm cu 3)
30k+90k+50k=330
170k=330
K=330/170=33/17

A=330/17
B=165/17
C=330/51

Răspuns

A=330/17

B=165/17

C=330/51

Explicație pas cu pas: