Дано:
V = 100 cм^3
ρ = 0,9 г/см^3
-------------------------
m - ?
m = ρ * V = 100 * 0,9 = 90 г
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Дано:
V = 100 cм^3
ρ = 0,9 г/см^3
-------------------------
m - ?
m = ρ * V = 100 * 0,9 = 90 г