()-2＝8 ()＋8＝8 3＋( )＝8 7=2+( )
5＋( )＝9 2＋()＝8 10=()+6 ()＋2＝9
()＋( 2＝7 8-()＝1 7-( )＝5 9=4+()
()-0=6 10-()=8 4+()=9 7-( )=6
()-3=0 ( )+7=8 5-( )=2 ( )-5=5
()+6=9 1+ ()=8 7-( )=7 6+()=10
()+2=8 ()-3=4 3+( )=4 9-()=0
()+6=7 4+()=8 ( )-9=1 ( )-3=5
()+1=4 ()-0=1 ( )+8=10 9-( )=4
( )-5=1 4+( )=10 ( )+5=5 ( )-2=5
10-( )=2 ( )-6=4 ( )-4=2 7-( )=2
10-( )=1 ( )+3=8 5+( )=7 ( )+3=9
2+( )=9 ( )-7=2 ( )-3=0 6-( )=2
3-( )=2 10-()=4 ( )-1=8 10+()=10
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