文档介绍：(  )+5=12 11+(  )=1920-(  )=1510+(  )=2016-(  )=0(  )+7=17 (  )2=189+(  )=1719-(  )=713+(  )=16(  )4=10(  )+2=11(  )5=9(  )+7=156+(  )=129+(  )=153+(  )=11(  )+8=1417-(  )=7 (  )-5=1013(  )=10(  )+6=1110+(  )=167+(  )=1517-(  )=17(  )+12=1213+(  )=1618-(  )=95+(  )=1411-(  )=517-(  )=1014+(  )=18(  )+8=12 (  )-12=3(  )-8=8(  )+5=182+(  )=104+(  )=85+(  )=109+(  )=183+(  )=17(  )+6=10(  )+3=9(  )+1=20(  )+7=10(  )+9=2013+(  )=1614-(  )=1012+(  )=1815-(  )=11(  )+5=1319-(  )=5(  )+2=1618-(  )=4(  )+2=144+(  )=2019-(  )=14(  )-5=1315+(  )=17(  )-15=519-(  )=4(  )-15=29+(  )=1815-(  )=10 (  )-6=13(  )+9=1920-(  )=419-(  )=3 (  )+11=15 (  )-6=1218-(  )=1117-(  )=10(  )+6=15(  )-7=1113+(  )=1417-(  )=10(  )-8=1110+(  )=17(  )+5=1218-(  )=95+(  )=1411-(  )=517-(  )=1014+(  )=18(  )+8=12(  )-12=3(  )-8=8(  )+5=1812-(  )=915-( )=712-(  )=317-(  )=9(   )-6=712-(  )=513-(  )=8(   )-7=714-(  )=615-(   )=911-(  )=717-( )=8(   )-5=713-( )=713-(   )=515-( )=812-( )=917-(   )=712-( )=616-(   )=9(   )-4=7( )-6=514-(  )=618-( )=96+(   )=14()+6=1414-()=89+(  )=13()+8=13()+5=12()+8=15()-4=11()-9=9()-8=514-()=66+()=92+()=117+()=15 8+()=13()+7=12()+5=11()+10=1015-()=1515-()=515-()=1015-()=08+()=16()+7=12()+5=1416-()=107+()=140+()=125()=11()+6=148-()=08-()=815-()=6()+13=1319-()=96+()=14   0+()=013-()=58+()=1510+()=1815+()=200-()=06+()=1412-(   )=86+(   )=15(   )-10=7(   )+5=1920-(   )=159-()=15-()=25+()=1416-()=610-()=45-()=38-()=711-()=69+()=1111-()=35-()=17+()=165+()=1412-()=610-()=318-()=814-()=512-()=43-()=212-()=78-()=11+()=68+()=94+()=149+()=198-()=73+()=1311-()=110-()=28+()=91+()=99+()=185+()=1418-()=912-()=63+()=43+()=514-()=64+()=1215-()=614-()=915-()=58+()=1413-()=616-()=74+()=62-()=216-()=101+()=210-()=106+()=94+()=145-()=512-()=33+()=97+()=1414-()=49-()=73+()=54-()=415-()=72+()=83-()=36-()=2