1003097006

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: \[ \begin{aligned} a_1+a_5+a_{10}&=40 \\ a_{10}-a_5-a_1&=24 \end{aligned} \]
\( 140 \)
\( 180 \)
\( 160 \)
\( 320 \)
\( 200 \)