會考計分最高分6科,主科包括數學嗎?

只有中,英是主科
如果數學低於其他科目的話,就計最高4科加中英文

Main subjects do include math.

Basically, in admitting F.6, the minimum requirment for all school is that you must at least pass both Chinese and Engslih. However, almost schools will consider a pass in math as a factor of admission. (Note that nowadays even though if you want to repeat F.5, some school will required a certain total score (say ~10 marks) with a pass with math.