Question

aflati 3 nr invers proporționale cu 0,0 (3),1/2si0,(3),stiind ca media lor aritmetica este 175

Answer 1

{x;y;z}ip{0,0(3);1/2;0,(3)}
(x+y+z):3=175
{x;y;z}ip{1/30;1/2;1/3}
{x;y;z}dp{30;2;3}
x/30=y/2=z/3=K
x=30K
y=2K
z=3K
(30K+2K+3K):3=175
35K÷3=175
35K=175×3
35K=525
K=15
x=450
y=30
z=45