20以内三连减口算练习题(已排版)时间:错误率:12-1-1=18-16-1=8-5-1=7-2-5=9-7-1=13-3-8=17-2-7=16-11-3=19-5-4=19-6...
20以内加减法口算练习题时间:错误率:2+7=3+14=2+18=8-5=5+2=20-10=15-6=9+4=9-3=15+2=9-8=1+18=15-4=19-3=17-2=2+2=7+3...
ORIGINALARTICLELong-termdevelopmentofmalocclusiontraitsinorthodonticallytreatedanduntreatedsubjectsTeiturJonsson,aKarlOrnKarlsson,...
CLINICIAN’SCORNERThree-dimensionalanalysisofmaxillaryprotractionwithintermaxillaryelasticstominiplatesGavinC.Heymann,aLuciaCevida...