145 B
145 B
1 + 2 = x
\frac{3x^2}{12x}
$$\begin{gathered}
\sum\limits_{x\rightarrow10}^{x}x+2x \
\frac{1}{2} = 1/2 = 1\div2 \
x \in
\end{gathered} $$
1 + 2 = x
\frac{3x^2}{12x}
$$\begin{gathered}
\sum\limits_{x\rightarrow10}^{x}x+2x \
\frac{1}{2} = 1/2 = 1\div2 \
x \in
\end{gathered} $$