人教版数学一上《20以内的进位加法》课件.ppt
,4,(),3,7,2,(),3,1,(),9,4,(),8,(),3,4,1,5,2,5,5,填():,9+()=10 8+()=10,6+()=10 5+()=10,1,2,3,4,5,7+()=10,2+()=10,8,9+4=13,10,20以内的进位加法,7+6=13,8+3=11,2,3,0,1,1,14,15,11,12,13,12,11,13,口算:,12,+,=,+,=,+,=,+,=,4,8,12,5,7,12,3,9,12,1,11,12,11,2,10,9,8,7,6,12,