名著阅读,按要求答题。
定义运算a⊗b为执行如图所示的程序框图输出的s值,则2cos5π3⊗2tan5π4的值为( )
—Yes, of course. The small town I used to live in now has grown into a new city.
读中国地势三级阶梯示意图,完成下列问题。