4/5+9/10+
2.27.$10^{-6}$.45000
√(x+c)^2+y^2+√(x-c)^2+y^2=29
2/5+1/10=
3/9+1/3=
3 x 3 - 3 / 3 + 3
(6+3) 2
$$\int_{\Box}^{\Box}(\Box) d\Box$$
$\it_\Bx}{\ox(\ox dBo$$
4/8-1/4=