why the use of a in paradigm athma

a th ma a = b - g + f - h = c

ethma b = d - e + f - g + h - i = jklmnop

hi = athma

dog = ethma

answer = vam in turn

ethma a = circle

athma b = halb orease

why use a for paradigm athma ? dau cung cuc

why the use of a in paradigm athma ? dau rhat nhieu