Odpowiedzi

2010-04-14T15:31:10+02:00
A) mE₂O = 2x + 16
mEO₂ = x + 32
2x + 16 < x + 32
2x - x < 32 - 16
x < 16

b) mE₂O = 2x + 16
mEO₂ = x + 32
2x + 16 > x + 32
2x - x > 32 - 16
x > 16
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