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April 27, 20178科学记数法13 minutesPlay科学计数法,你说它不科学都不行。五个大字,科学计数法,中考必考一道题。...moreShareView all episodesBy 方先生侃数理化April 27, 20178科学记数法13 minutesPlay科学计数法,你说它不科学都不行。五个大字,科学计数法,中考必考一道题。...more