Промежуточные таблицы истинности:
Z∨D:

¬D:

X∧Y:

(X∧Y)∧(¬D):

¬Y:

X∧(¬Y):

(X∧(¬Y))∧Z:

¬X:

(¬X)∧(¬Y):

((¬X)∧(¬Y))∧Z:

(((¬X)∧(¬Y))∧Z)∧D:

¬(Z∨D):

X∧Z:

(X∧Z)∧(¬D):

(¬(Z∨D))∨((X∧Y)∧(¬D)):

((¬(Z∨D))∨((X∧Y)∧(¬D)))∨((X∧(¬Y))∧Z):

(((¬(Z∨D))∨((X∧Y)∧(¬D)))∨((X∧(¬Y))∧Z))∨((((¬X)∧(¬Y))∧Z)∧D):

((((¬(Z∨D))∨((X∧Y)∧(¬D)))∨((X∧(¬Y))∧Z))∨((((¬X)∧(¬Y))∧Z)∧D))∨((X∧Z)∧(¬D)):

Общая таблица истинности:

Логическая схема:

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Совершенная дизъюнктивная нормальная форма (СДНФ):

По таблице истинности:
F_сднф = ¬Z∧¬D∧¬X∧¬Y ∨ ¬Z∧¬D∧¬X∧Y ∨ ¬Z∧¬D∧X∧¬Y ∨ ¬Z∧¬D∧X∧Y ∨ Z∧¬D∧X∧¬Y ∨ Z∧¬D∧X∧Y ∨ Z∧D∧¬X∧¬Y ∨ Z∧D∧X∧¬Y
Логическая cхема:

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Совершенная конъюнктивная нормальная форма (СКНФ):

По таблице истинности:
F_скнф = (Z∨¬D∨X∨Y) ∧ (Z∨¬D∨X∨¬Y) ∧ (Z∨¬D∨¬X∨Y) ∧ (Z∨¬D∨¬X∨¬Y) ∧ (¬Z∨D∨X∨Y) ∧ (¬Z∨D∨X∨¬Y) ∧ (¬Z∨¬D∨X∨¬Y) ∧ (¬Z∨¬D∨¬X∨¬Y)
Логическая cхема:

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Построение полинома Жегалкина:

По таблице истинности функции
Построим полином Жегалкина:
F_ж = C₀₀₀₀ ⊕ C₁₀₀₀∧Z ⊕ C₀₁₀₀∧D ⊕ C₀₀₁₀∧X ⊕ C₀₀₀₁∧Y ⊕ C₁₁₀₀∧Z∧D ⊕ C₁₀₁₀∧Z∧X ⊕ C₁₀₀₁∧Z∧Y ⊕ C₀₁₁₀∧D∧X ⊕ C₀₁₀₁∧D∧Y ⊕ C₀₀₁₁∧X∧Y ⊕ C₁₁₁₀∧Z∧D∧X ⊕ C₁₁₀₁∧Z∧D∧Y ⊕ C₁₀₁₁∧Z∧X∧Y ⊕ C₀₁₁₁∧D∧X∧Y ⊕ C₁₁₁₁∧Z∧D∧X∧Y

Так как F_ж(0000) = 1, то С₀₀₀₀ = 1.

Далее подставляем все остальные наборы в порядке возрастания числа единиц, подставляя вновь полученные значения в следующие формулы:
F_ж(1000) = С₀₀₀₀ ⊕ С₁₀₀₀ = 0 => С₁₀₀₀ = 1 ⊕ 0 = 1
F_ж(0100) = С₀₀₀₀ ⊕ С₀₁₀₀ = 0 => С₀₁₀₀ = 1 ⊕ 0 = 1
F_ж(0010) = С₀₀₀₀ ⊕ С₀₀₁₀ = 1 => С₀₀₁₀ = 1 ⊕ 1 = 0
F_ж(0001) = С₀₀₀₀ ⊕ С₀₀₀₁ = 1 => С₀₀₀₁ = 1 ⊕ 1 = 0
F_ж(1100) = С₀₀₀₀ ⊕ С₁₀₀₀ ⊕ С₀₁₀₀ ⊕ С₁₁₀₀ = 1 => С₁₁₀₀ = 1 ⊕ 1 ⊕ 1 ⊕ 1 = 0
F_ж(1010) = С₀₀₀₀ ⊕ С₁₀₀₀ ⊕ С₀₀₁₀ ⊕ С₁₀₁₀ = 1 => С₁₀₁₀ = 1 ⊕ 1 ⊕ 0 ⊕ 1 = 1
F_ж(1001) = С₀₀₀₀ ⊕ С₁₀₀₀ ⊕ С₀₀₀₁ ⊕ С₁₀₀₁ = 0 => С₁₀₀₁ = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
F_ж(0110) = С₀₀₀₀ ⊕ С₀₁₀₀ ⊕ С₀₀₁₀ ⊕ С₀₁₁₀ = 0 => С₀₁₁₀ = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
F_ж(0101) = С₀₀₀₀ ⊕ С₀₁₀₀ ⊕ С₀₀₀₁ ⊕ С₀₁₀₁ = 0 => С₀₁₀₁ = 1 ⊕ 1 ⊕ 0 ⊕ 0 = 0
F_ж(0011) = С₀₀₀₀ ⊕ С₀₀₁₀ ⊕ С₀₀₀₁ ⊕ С₀₀₁₁ = 1 => С₀₀₁₁ = 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
F_ж(1110) = С₀₀₀₀ ⊕ С₁₀₀₀ ⊕ С₀₁₀₀ ⊕ С₀₀₁₀ ⊕ С₁₁₀₀ ⊕ С₁₀₁₀ ⊕ С₀₁₁₀ ⊕ С₁₁₁₀ = 1 => С₁₁₁₀ = 1 ⊕ 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 1 = 1
F_ж(1101) = С₀₀₀₀ ⊕ С₁₀₀₀ ⊕ С₀₁₀₀ ⊕ С₀₀₀₁ ⊕ С₁₁₀₀ ⊕ С₁₀₀₁ ⊕ С₀₁₀₁ ⊕ С₁₁₀₁ = 0 => С₁₁₀₁ = 1 ⊕ 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 1
F_ж(1011) = С₀₀₀₀ ⊕ С₁₀₀₀ ⊕ С₀₀₁₀ ⊕ С₀₀₀₁ ⊕ С₁₀₁₀ ⊕ С₁₀₀₁ ⊕ С₀₀₁₁ ⊕ С₁₀₁₁ = 1 => С₁₀₁₁ = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 1 = 0
F_ж(0111) = С₀₀₀₀ ⊕ С₀₁₀₀ ⊕ С₀₀₁₀ ⊕ С₀₀₀₁ ⊕ С₀₁₁₀ ⊕ С₀₁₀₁ ⊕ С₀₀₁₁ ⊕ С₀₁₁₁ = 0 => С₀₁₁₁ = 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 = 0
F_ж(1111) = С₀₀₀₀ ⊕ С₁₀₀₀ ⊕ С₀₁₀₀ ⊕ С₀₀₁₀ ⊕ С₀₀₀₁ ⊕ С₁₁₀₀ ⊕ С₁₀₁₀ ⊕ С₁₀₀₁ ⊕ С₀₁₁₀ ⊕ С₀₁₀₁ ⊕ С₀₀₁₁ ⊕ С₁₁₁₀ ⊕ С₁₁₀₁ ⊕ С₁₀₁₁ ⊕ С₀₁₁₁ ⊕ С₁₁₁₁ = 0 => С₁₁₁₁ = 1 ⊕ 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 0 ⊕ 1 ⊕ 1 ⊕ 0 ⊕ 0 ⊕ 0 = 0

Таким образом, полином Жегалкина будет равен:
F_ж = 1 ⊕ Z ⊕ D ⊕ Z∧X ⊕ Z∧D∧X ⊕ Z∧D∧Y
Логическая схема, соответствующая полиному Жегалкина: