【評論主題】"40下列的邏輯式子何者不正確？(A)x + x’ = 1(B)x + xy = x(C)x + x = x(D)(x + y)’ = x’ + y’"

【評論內容】所以這題在問什麼

【評論主題】"40下列的邏輯式子何者不正確？(A)x + x’ = 1(B)x + xy = x(C)x + x = x(D)(x + y)’ = x’ + y’"

【評論內容】所以這題在問什麼

【評論主題】"39邏輯式子 F(A, B, C)= A’B’C + A’B + ABC’，若 A = 0，B = 1，則 F =？(A)0(B)1(C)C(D)C’"

【評論內容】怎麼算的