MrSmithgavehiswifemoneyeveryFridayevening. Hiswifeal...
問題詳情： MrSmithgavehiswifemoneyeveryFridayevening. HiswifealwaysspentitallthenextWednesday,sothatforthenextthreedaysshehadnomoneytospendatall.OnedayMrSmithaskedher,“Buthowdidyouspendallthatmon...