文档介绍：...wd...
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( )=245
474+( )=580
759-( )=42
570-( )=294
633+( )=887
536+( )=862
472-( )=178
876-( )=575
285+( )=941
814-( )=298
464-( )=16
737-( )=728
693-( )=675
701-( )=105
445-( )=214
348+( )=969
705-( )=678
556-( )=129
796-( )=283
908-( )=835
763+( )=985
200+( )=231
464-( )=38
227+( )=739
567-( )=324
605-( )=559
460+( )=572
207+( )=923
579+( )=850
993-( )=595
563-( )=363
829-( )=64
61+( )=671
6+( )=259
240+( )=353
318-( )=86
57+( )=364
692+( )=950
422+( )=677
822-( )=453
800-( )=511
91+( )=979
159+( )=408
516-( )=228
357+( )=886
450+( )=544
123+( )=560
422-( )=142
701-( )=458
354+( )=589
4+( )=98
515+( )=678
135+( )=811
789+( )=833
920-( )=449
270-( )=94
95+( )=798
937-( )=786
134+( )=922
942-( )=254
956-( )=129
294+( )=961
240+( )=681
768-( )=623
902-( )=311
671+( )=983
87+( )=687
420+( )=479
914-( )=828
347-( )=43
415-( )=414
560-( )=371
295+( )=873
606+( )=966
28+( )=846
420-( )=224
623+( )=933
795+( )=953
541-( )=472
130+( )=563
959-( )=538
333-( )=84
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964-( )=873
347+( )=760
748-( )=348
931-( )=690
37+( )=479
864+( )=999
841+( )=943
286+( )=493
728-( )=220
362-( )=203
860-( )=764
601+( )=997
433-( )=172
524+( )=684
13+( )=642
851-( )=177
540+( )=659
289+( )=697
397+( )=1000
128+( )=145
356-( )=65
118+( )=446
440+( )=484
372+( )=577
743-( )=107
519+( )=645
902-( )=21
239+( )=794
156+( )=284
150+( )=438
376+( )=604
641-( )=374
347+( )=422
161-( )=132
342-( )=182
442-( )=436
77+( )=85
764-( )=743
277+( )=297
413-( )=323
617+( )=796