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1、600+600=,600-30=,900+90=,550-500=,1000+800=,8400+600=,160-40=,819=,9000-800=,91=,309=,351=,304=,33=,6(54-50)=,73+11=,14+71=,28+44=,4232=,500+100=,800-30=,900+40=,510-100=,100+900=,6700+400=,150-30=,426=,7000-100=,59=,903=,22=,705=,51=,7(54-48)=,26+23=,16+82=,45+26=,1222=,200+500=,300-10=,800+10=,520
2、-400=,1600+800=,4400+200=,160-50=,147=,5000-500=,39=,406=,11=,709=,153=,2(52-49)=,72+13=,16+63=,21+62=,2424=,600+800=,800-20=,600+70=,590-100=,600+100=,4300+600=,150-20=,455=,7000-200=,55=,208=,73=,101=,213=,8(51-49)=,93+28=,14+91=,28+42=,3242=,500+400=,500-50=,900+80=,590-100=,1700+600=,3900+500=,1
3、70-30=,546=,8000-500=,35=,607=,71=,205=,84=,2(51-50)=,45+26=,10+244=,20+47=,1823=,400+100=,600-40=,200+20=,590-400=,1700+100=,7900+700=,110-80=,105=,1000-200=,87=,605=,173=,205=,243=,5(53-49)=,97+14=,15+488=,12+32=,8434=,500+800=,100-90=,300+30=,560-400=,800+200=,2000+700=,190-80=,42=,5000-300=,73=,
4、908=,363=,504=,729=,3(51-46)=,95+12=,13+41=,27+45=,6333=,600+800=,700-80=,900+70=,590-400=,700+200=,4300+400=,150-70=,51=,9000-900=,43=,905=,141=,902=,183=,2(53-48)=,41+23=,14+328=,31+54=,4842=,400+800=,200-60=,600+90=,580-400=,900+300=,4400+500=,170-10=,61=,4000-800=,52=,901=,53=,901=,405=,6(51-46)
5、=,92+25=,12+162=,26+32=,8434=,400+800=,400-80=,500+30=,540-400=,700+600=,3300+600=,180-80=,364=,2000-500=,37=,706=,33=,202=,243=,4(55-46)=,67+23=,18+62=,16+73=,3623=,400+400=,900-60=,200+70=,560-100=,800+800=,3700+700=,160-90=,77=,4000-300=,16=,908=,153=,802=,568=,5(53-48)=,28+22=,10+217=,35+54=,12844=,700+900=,100-20=,700+70=,550-100=,1000+600=,6300+400=,190-90=,105=,9000-900=,66=,802=,101=,709=,41=,6(53-49)=,68+23=,14+488=,45+37=,4842=,400+200=,200-70=,300+60=,560-200=,300+600=,8700+400=,150-50=,546=,8000-500=,34=,901=,61=,609=,22=,7(54-50)=,65+19=,16+11=,29+34=,5624=,600+800=,
