20
浠ュ唴甯︽嫭鍙峰姞鍑忔硶
鐝骇
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濮撳悕
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鐢ㄦ椂
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鎴愮哗
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1
12+( )=16
15+( )=20
( )+3=12
3+( )=20
16+( )=19
( )+12=18
3+( )=16
5+( )=14
8+( )=13
( )+4=16
5+( )=16
8+( )=16
( )+11=14
( )-6=13
( )+14=18
9+( )=17
7+( )=11
( )-8=9
( )-8=3
( )-14=3
( )+8=12
( )-11=6
( )-6=13
( )+9=15
( )-6=7
( )-5=7
( )-7=16
( )-9=9
6+( )=11
7+( )=11
19-( )=14
3+( )=16
2+( )=17
15-( )=5
12+( )=16
11-( )=6
9+( )=17
8+( )=16
8+( )=13
16+( )=19
3+( )=20
8+( )=15
6+( )=13
20-( )=12
( )-8=9
12+( )=16
6+( )=14
( )-5=7
15+( )=20
19-( )=12
( )+3=12
6+( )=11
( )-6=13
11+( )=14
3+( )=20
( )-8=3
2+( )=17
13-( )=6
8+( )=16
( )+13=13