Răspuns:
Explicație pas cu pas:
a)x/1/2=y/1/4=z/1/8=(x+y+z)/(1/2+1/4+1/8)=14/7/8=8×2=16
x/1/2=16 ⇒x=8
y/1/4=16 ⇒y=4
z/1/8=16 ⇒z=2
b) x/1/2=y/1/4=z/1/8=(x+y+z)/7/8=21×8/7=24
x/1/2=24 ⇒x=12
y/1/4=24 ⇒y=6
z/1/8=24 ⇒z=3
c) x/1/2=y/1/4=z/1/8=(x+y+z)/7/8=28×8/7=32
x/1/2=32 ⇒x=16
y/1/4=32 ⇒y=8
z/1/8=32 ⇒z=4
