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文科班的数学难上,讲台上教师讲得热火朝天,下面不慍不火,瞪着一双无辜而又疑惑的眼神看着你,一副启而不发、呼而不应的模样。确实,如何提高文科生
The mathematics classes in liberal arts classes are difficult. The teachers on the podium talk about it in full swing. The following are not ignorant. They stare at you with a pair of innocent and puzzled eyes. Indeed, how to improve liberal arts students