[narongratp]

ข้อ 1
$1\odot 1 = 1 + \frac{1\times 1}{{1^2}+1} $

$2\odot 1 = 2 + \frac{2\times 1}{{2^2}+1} $(มั้ง)

$3\odot 6 = 3 + \frac{3\times 6}{{3^2}+6} = \frac{21}{5}$(มั้ง)