587/70= 1980/500= 2190/800 = 35285/50= 312600/800= 426907/700
578/70 = 8,2 1980/500 = 3,96 2190/800 = 2,7374 35285/50 = 705,2 312600/800 = 390,75 426907/700 = 609,86
спасибо