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Daca x:y=y:z=2
x+y+z=700


Răspuns :

x:y=y:z=2
y:z=2
y=2z
x:y=2
x:2z=2
x=4z
x+y+z=700
z+2z+4z=700
7z=700
z=700:7
z=100
y=2z=100*2=200
x=4z=100*4=400
x:y=y:z=2
y:z=2
y=2z
x:y=2
x:2z=2
x=4z
x+y+z=700
z+2z+4z=700
7z=700
z=700:7
z=100
y=2z
y=100*2
y=200
x=4z
x=100*4
x=400