Изменения

{| class="wikitablestandard" style="width:10cm" border=1|+-align="center" bgcolor=#F0F0F0! <tex>a</tex> || <tex>b</tex> ||style="background:#FFF"| <tex bgcolor=#FFF>a \oplus b</tex>

! <tex>ac</tex> || <tex>bd</tex> || <tex>a \oplus b</tex>|-alignstyle="centerbackground:#FFF" bgcolor=#F0F0F0! <tex>c</tex> || <tex>d</tex> || <tex>c \oplus d</tex>