从高考谈解题速度的提高江苏省徐州市第六中学丁宏参加１９９７年高考文史类数学考试的监考，偶见考生对四道题的解答，感触颇多，暗暗为考生缓慢的解题速度而着急．这四道题及考生的解法如下：题１：函数ｙ＝ｓｉｎ（π３－２ｘ）＋ｓｉｎ２ｘ的最小正周期是（）．Ａ．π... From the college entrance examination to improve the speed of problem solving, Xuzhou No. 6 Middle School in Xuzhou, Jiangsu province participated in the proctored examination of the 1997 college mathematics and history mathematics exam. Occasionally, the candidate’s answers to the four questions are quite numerous, and it is slow for the candidates to solve problems slowly. And anxious. The four questions and candidates’ solutions are as follows: Question 1: The minimum positive period of the function y=sin(π3-2x)+sin2x is (). A. π...