1. Which of the following fractions expressed in the form P/Q is most nearly approximated by the decimal. PQ, where p is the tenths' digit and Q is the hundredths' digit? Ans:8/9 (老实说我真的看不懂题目的意思?) 2. What is the maximum number of cubes with sides of a length that could fit inside a cube with sides of lengths 2s? Ans:64 (我个人觉得题目应该有地方有误吧?! length 2s means what?) 3. L: The greatest prime factor of 243 R: The greatest prime factor of 180 Ans: D(请告诉我答案错了 XD) Best Regards -- 　　　　　╭─╮╭─╮╭────╮╭────╮╭────╮╭────╮ 　　　　　│█╰╯█││███◤││◥███││███◣││◥███│ 　　　　　│◥ █ █││█▄▄ │╰╮◥█╭╯│█▄▄◤││█ █│ 　　　　　│█ █ █││█ │╭╯█◥╰╮│█ █││█ █│ 　　　　　╰ █◥█ ╯│◤███││███◥││◤███││███◥│ 　　　　　 ╰───╯ ╰────╯╰────╯╰────╯╰────╯ --

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