Level:
Project ID:
1003097006
Accepted:
1
Clonable:
0
Easy:
0
Find the sum of the first ten terms of an arithmetic sequence \( \left\{a_n\right\}_{n=1}^{\infty} \), if:
\[ \begin{aligned}
a_1+a_5+a_{10}&=40 \\
a_{10}-a_5-a_1&=24
\end{aligned} \]
\( 140 \)
\( 180 \)
\( 160 \)
\( 320 \)
\( 200 \)