6和7的组成优质公开课6和7的组成算一算:2+3=3+1=2+1=1+4=3+2=1+3=1+2=4+1=554433552422填一填1211323522144522256516156642246337617167527257743341.找规律,填一填。431523647324257我最棒61117237542432.分一分。感谢你们的到来语大义之方,论万物之理。受益终生Ontheprincipleofallthings.Benefitforlife!Toeveryonewhoisdoingit,Ihopeyoucanchaseth...