5+1= 61+5=65+1=1+5=664+2=2+4=663+3=66+1=1+6=775+2=2+5=774+3=3+4=776-1=6-5=516-2=6-4=426-3=37-1=7-6=617-2=7-5=527-3=7-4=435 + 1 = 61 + 5 = 67 - - 1 = 67 - - 6 = 1摆一摆。摆一摆。4 + 2 =2 + =6466 - - 2 =6 - - =4425 + 2 =2 + =7 - - 2 =7 - - =3 + =6 - - 3 =想一想。想一想。4+2=62+4=6 3 + 4 = 4 + 2 = 7 - - 3 =4 - - 2 = 7 - - 4 = 2 + 5 =7 - - 5 = 1 + 6 = 6 - - 4 =5 - - 0 = 6 - - 3 = 5 - - 3 =76423727253264 + 2 =2 +=6 - - 2 =6 - -=464425 + 2 =2 +=7 - - 2 =7 - -=7575523 +=6 - - 3 =363471675736智慧乐园 4+2=( ) 4+3=( ) ( )+2=7 3+( )=6 7-( )=4 6-( )=1 6-4=( ) 7-5=( ) 0+( )=6 ( )-6=16753352267找朋友找朋友7-24+36-37-46-21+65-07-3