【評論主題】34 請化簡布林運算式(X’.Y+Y’)=?(X’為 X 之反相,Y’為 Y 之反相)(A)X+Y (B)X’+Y’ (C)X+Y’ (D)X’+Y
【評論內容】用到兩個定理》(X+Y)Z=(X+Z)(Y+Z),X+X”=1