x+y+z=123 x/y=2/5 x=2y/5 y/z=3/4 z=4y/3 2y/5+y+4y/3=123 (6y+15y+20y)/15=123 (*15) 41y=1845 y=1845/41=45 x=45*2/5=90/5=18 z=4*45/3=180/3=60 проверка... 18+45+60=123 123=123 18/45=2/5 45/60=3/4
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x+y+z=123 x/y=2/5 x=2y/5 y/z=3/4 z=4y/3 2y/5+y+4y/3=123 (6y+15y+20y)/15=123 (*15) 41y=1845 y=1845/41=45 x=45*2/5=90/5=18 z=4*45/3=180/3=60 проверка... 18+45+60=123 123=123 18/45=2/5 45/60=3/4
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