※ 引述《u04fup (u04fup)》之銘言：
: https://i.imgur.com/2vi2JaR.jpg
: 請問(b)小題是求什麼？
: 想不太通題目的意思
Truth Table for xyx would be 01001001
x y z E
0 0 0 0
0 0 1 1
0 1 0 0
0 1 1 0
1 0 0 1
1 0 1 0
1 1 0 0
1 1 1 1
from this truth table, it is obvious that:
E = x'y'z + xy'z' + xyz

感謝！