A lot of young people go togyms nowadays.They want to keep f________.

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• A lot of young people go togyms nowadays.They want to keep f________.
• A lot of young people go togyms nowadays.They want to keep f________.
• Mr.Smith works in a hospital.His medical skills（医术）are 46 and people like to go to see him,and he’s often 47 in the daytime,so he 48 to have a good rest at home.He lives in a building outside the city,all his neighbours keep 49 except Mike,who moved there last month.The young man lives just upstairs.He likes music and 50 a piano（钢琴）last week.He works in an office and always plays the piano after supper.He can’t play it at all and 51 a lot of noise.Mr.
• 已知函数f(x)=Asin(wx+4/π)(其中x属于R,A>0w>0)的最大值为2最小正周期为8
• 甲数的3分之1等于乙数的5分之2,乙数的3分之2等于丙数的的7分之3,那么甲乙丙三个数是最简比是多少?