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, 3.2.
3.2.
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3.3.
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3.3.
Y = A × B × C Y = A × B × C Y1 = A × B × C Y2 = A × B × C Y = A × B × C ∆Y(A) = Y1 Y ∆Y(B) = Y2 Y1 ∆Y(C) = Y Y2 ∆Y = Y Y = ∆Y() + ∆Y()+ ∆Y() | ∆Y(A) = Y1 Y ∆Y(C) = Y Y1 ∆Y = Y Y = ∆Y() + ∆Y() | ∆Y(A) = Y1 Y ∆Y(B) = Y2 Y1 ∆Y(C) = Y Y2 ∆Y = Y Y = ∆Y() + ∆Y()+ ∆Y() |