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今年普通高考数学试题是一份受欢迎的好试题 ,真正体现出了数学作为基础学科的作用与价值 ,使学生对数学不再望而生畏———有章可依 ;使教师不再感慨“教数学是做无用功”———有本可教 .但也有美中不足之处 ,文科第 18题 (Ⅱ )中的等号害人不浅 !对于“证明 Sn·Sn+ 2S2 n+
This year’s ordinary college entrance examination mathematics question is a popular good question, truly embodies the role and value of mathematics as a basic discipline, so that students no longer daunted about mathematics—there is a chapter; teachers no longer have emotions “teaching mathematics It’s a useless work—there is something to teach. But there are also fly in the ointment. The equal question in the 18th question (II) of the liberal arts is not harmful to anyone! For "Prove Sn Sn + 2S2 n+