關於A61的百科

• 設等比數列的前項和為，若，，則（  ）A.61                 B.62           ...

• 問題詳情：設等比數列的前項和為，若，，則（  ）A.61                 B.62                 C.63                 D.75【回答】C【解析】分析：利用等比數列*質求.詳解：由題得成等比數列，所以3,12，成等比數列，所以知識點：數列題型：...
• 2020-06-198357

• 閱讀短文，掌握其大意，從每題所給的A、B、C、D四個選項中，選出最佳選項。WangFengqin,a61-ye...

• 問題詳情：閱讀短文，掌握其大意，從每題所給的A、B、C、D四個選項中，選出最佳選項。WangFengqin,a61-year-oldwomaninBeijing,volunteerstosort(分類)rubbishinherlivingareainBeijing’sChaoyangDistrict.At6:30everymorning,whilehalfofBeijingisstillinsleepingdreamsinbedo...
• 2019-04-3012317

• Tosupporthissickwifeandearnapaycheck,a61-year-oldIowama...

• 問題詳情：Tosupporthissickwifeandearnapaycheck,a61-year-oldIowamannamedSteveSimoffsometimeswalks35milestohisjobasanovernightgatekeeper.Simofsaidthatheleaveshisbasementapartmentinasmalltownatabout3:30p.m.togettotheLakessidehotelandCasinoinOsceolawherehe...
• 2019-04-216111