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va rog am nevoie urgent dau coroana

Va Rog Am Nevoie Urgent Dau Coroana class=

Răspuns :

Vol.vas=12×8×10=960 cm^3
960 cm^3 _______ h=10 cm
864 cm^3 _______ h'
h'=8640/960=864/96=9 cm

960 cm^3 _____ 100%
864 cm^3 _______ p%
p=86400/960=8640/96=90%

10 cm^3 ____ 8 g
864 cm^3 ___ x
x=(864•8)/10=691,2 g