Răspunsuri

2014-06-06T10:08:12+03:00
A, b ip cu 0.1(6), 0.2

0.1(6)=16-1/90=15/90=1/6
0.2=2/10=1/5

a=k/6
b=k/5

a+b/2=22
a+b=44
k/6+k/5=55
5k+6k=1650
11k=1650
k=150

a=150/6
a=25

b=150/5
b=30

Media geometrica=radical din axb
Media geom= radical din 30*25
media geom= rad din 750
media geom=5 radical din 30