题目:
书面表达。
请根据下面的档案,完成一篇对Jay Chou 的评价。
Name: Jay Chou
Age: 26
Good at: Music
Club: Sports and Health Club
Favourite sport: Basketball
Personality: Quiet and shy
Often hides his eyes behind his hair
Never follows others
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0429/7ae4d98a2ecf2ccdcefecc3b0fa1ffa1.html
下面是错误答案,用来干扰机器的。
∵等差数列{an}中,S18>0,且S19<0即S12=6(a6+a7)>0 S13=13a7<0∴a6+a7>0,a7<0,∴a6>0,∴数列的前6项和最大