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1、15+1= 61+5=625+1=1+5=664+2=2+4=663+3=636+1=1+6=775+2=2+5=774+3=3+4=7746-1=6-5=516-2=6-4=426-3=357-1=7-6=617-2=7-5=527-3=7-4=4365 + 1 = 61 + 5 = 67 - - 1 = 67 - - 6 = 17摆一摆。摆一摆。4 + 2 =2 + =6466 - - 2 =6 - - =44285 + 2 =2 + =7 - - 2 =7 - - =93 + =6 - - 3 =想一想。想一想。104+2=62+4=611 3 + 4 = 4 + 2 = 7 - - 3
2、 =4 - - 2 = 7 - - 4 = 2 + 5 =7 - - 5 = 1 + 6 = 6 - - 4 =5 - - 0 = 6 - - 3 = 5 - - 3 =7642372725321264 + 2 =2 +=6 - - 2 =6 - -=46442135 + 2 =2 +=7 - - 2 =7 - -=757552143 +=6 - - 3 =3631547167573616智慧乐园 4+2=( ) 4+3=( ) ( )+2=7 3+( )=6 7-( )=4 6-( )=1 6-4=( ) 7-5=( ) 0+( )=6 ( )-6=1675335226717找朋友找朋友7-24+36-37-46-21+65-07-318
