20以内的加法口算练习题4000题时间：错误率：14＋2=7＋10=5＋12=10＋10=15＋4=6＋2=5＋11=7＋3=4＋7=8＋4=1＋7=15＋3=11＋2=4＋5=3＋16=2＋...
Heuristicreasoningandcognitivebiases:Aretheyhindrancestojudgmentsanddecisionmakinginorthodontics?E.PrestonHicksaandG.ThomasKluempe...
EDITORIALDoctors,notcompanypolicies,decidehowtotreatDavidL.Turpin,Editor-in-ChiefSeattle,WashMye-mailsdroppedtoanewlowoverthesum-m...
