课件17张PPT。6和7的加减法复习题626451327534674663271复习3+2=52+3=55+1=61+5=64+3=73+4=74+3=73+4=77-3=47-4=37-3 = 47-4 = 34 + 3 = 73 + 4 = 74+2=62+4=66 - 4 = 26 – 2 = 47-2=57-5=25 + 2 = 72 + 5 = 7摆一摆。644642255757想一想。363找朋友7-24+36-37-46-21+65-07-3367576174智慧乐园 4+2=( ) 4+3=( )
( )+2=7 3+( )=6
7-( )=4 6-( )=1
6-4=( ) 7-5=( )
0+( )=6 ( )-6=16753352267