X=8 $\sqrt{\X}$ +2
(-2²) - (-5²) =
5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 ^ 2 x 5 x 5
$$\sum_{a}^{b}{C}$$ 3 x 4
y=(0.03475*$a^{2}$)+(0.0937*a)
1 + 11 + 111 + 2222
4 + 44 + 444 + 4444 x 4 + 22222
3𝑃^3𝑄+18𝑃^2𝑄^2+6𝑃𝑄^3
3.6 x 4.1 + 6.2
4x - y =3 ; 2x+3y=5
