()+5=1211+()=19 20-()=15 10+()=20 16-()=0
()+7=17
()2=18 9+()=17 19-()=7
13+()=16 ()4=10 ()+2=11 ()5=9 ()+7=15 6+()=12 9+()=15 3+()=11 ()+8=14 17-()=7()-5=10
13( )=10
( )+6=11 10+( )=16 7+( )=15 17-( )=17
( )+12=12 13+( )=16 18-( )=9 5+( )=14
11-( )=5 17-( )=10 14+( )=18 ( )+8=12 ( )-12=3 ( )-8=8 ( )+5=18 2+( )=10 4+( )=8 5+( )=10 9+( )=18
3+( )=17
( )+6=10
( )+3=9
( )+1=20
( )+7=10
( )+9=20 13+( )=16 14-( )=10 12+( )=18
15-( )=11 ( )+5=13 19-( )=5 ( )+2=16 18-( )=4 ( )+2=14 4+( )=20 19-( )=14 ( )-5=13 15+( )=17 ( )-15=5
19-( )=4
( )-15=2 9+( )=18 15-( )=10
( )-6=13
( )+9=19 20-( )=4 19-( )=3
( )+11=15
( )-6=12 18-( )=11 17-( )=10 ( )+6=15 ( )-7=11 13+( )=14 17-( )=10 ( )-8=11 10+( )=17 ( )+5=12 18-( )=9
5+( )=14 11-( )=5 17-( )=10 14+( )=18
( )+8=12
( )-12=3
( )-8=8
( )+5=18 12-( )=9
15-( )=7 12-( )=3 17-( )=9 ( )-6=7 12-( )=5 13-( )=8 ( )-7=7 14-( )=6 15-( )=9 11-( )=7 17-( )=8
( )-5=7 13-( )=7 13-( )=5 15-( )=8 12-( )=9 17-( )=7 12-( )=6 16-( )=9
( )-4=7
( )-6=5 14-( )=6 18-( )=9 6+( )=14 ( )+6=14 14-( )=8 9+（ ）=13 ()+8=13 ()+5=12 ( )+8=15 ()-4=11
( )-9=9
()-8=5 14-()=6 6+( )=9 2+( )=11 7+()=15 8+( )=13
()+7=12
()+5=11
( )+10=10 15-( )=15 15-()=5 15-( )=10 15-( )=0 8+( )=16 ()+7=12 ( )+5=14 16-( )=10 7+( )=14 0+( )=12
5( )=11
()+6=14 8-( )=0 8-( )=8 15-( )=6
( )+13=13 19-( )=9 6+()=14 0+( )=0
13-( )=5 8+( )=15 10+( )=18 15+( )=20 0-()=0 6+( )=14 12-( )=8 6+( )=15 ( )-10=7 ( )+5=19 20-( )=15
9-( )= 1 5-( )= 2 5+( )= 14 5-( )= 1 7+( )= 16 5+( )= 14 16-( 10-( 5-( 8-( 11-( 9+( 11-( )= 6 )= 4 )= 3 )= 7 )= 6 )= 11 )= 3
12-( 10-( 18-( 14-( 12-( 3-( 12-( )= 6 )= 3 )= 8 )= 5 )= 4 )= 2 )= 7
8-（ ）= 1 1+( )= 6 8+( )= 9 1+( )= 9 9+( )= 18 5+( )= 14 4+( 9+( 8-( 3+( 11-( 10-( 8+( )= 14 )= 19 )= 7 )= 13 )= 1 )= 2 )= 9
18-( 12-( 3+( 3+( 14-( 4+( 15-( )= 9 )= 6 )= 4 )= 5 )= 6 )= 12 )= 6
14-( )= 9 15-( )= 5 8+( )= 14 6+( )= 9 4+( )= 14 5-( )= 5 13-( 16-( 4+( 2-( 16-( 1+( 10-( )= 6 )= 7 )= 6 )= 2 )= 10 )= 2
)= 10 12-( 3+( 7+( 14-( 9-( 3+( 4-( )= 3 )= 9 )= 14 )= 4 )= 7 )= 5
)= 4
15-( )= 7 2+( )= 8 3-( )= 3 6+( )= 16 1+( )= 9 13-( )= 5 6-( 3-( 8+( 7+( 6+( 8+( 8-( )= 2 )= 3 )= 15 )= 14 )= 11 )= 15 )= 8
9-( 13-( 4+( 1+( 17-( 6-( 4+( )= 9 )= 4 )= 12 )= 7 )= 7 )= 4 )= 12
10-( )= 10 9-( )= 2 5+( )= 6 14-( )= 7 8-( )= 7 5-( )= 1 9-( 1+( 17-( 6-( 4+( 14-( 5+( )= 5 )= 7 )= 7 )= 4 )= 12 )= 6 )= 13
3-( 1+( 8+( 11-( 4+( 4-( 1+( )= 2 )= 5 )= 15 )= 1 )= 5 )= 2 )= 7
6-( )= 6 14-( )= 5 13-( )= 9 2+( )= 6 5+( )= 14 1+( )= 8 7-( 9+( 8-( 3+( 11-( 14-( 3-( )= 7 )= 19 )= 7 )= 13 )= 1 )= 7 )= 3
1+( 9-( 17-( 5+( 4+( 8-( 2+( )= 4 )= 9 )= 10 )= 11 )= 12 )= 1 )= 6
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