来自董世民的问题
高分求一道GMAT数学题.TherateofachemicalisdirectlyproportionatetothesquareofAandinverselytoB,ifBincrease100%,whatisthechangeofpercentageof
高分求一道GMAT数学题.
TherateofachemicalisdirectlyproportionatetothesquareofAandinverselytoB,ifBincrease100%,whatisthechangeofpercentageof

