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1、681+102=649+107=163+387=115+597=267-211=369+360=815-600=238+148=313-283=716-362=467+145=339+103=109+136=438+218=735-270=264-130=365+615=754-317=927-559=857-740=768+128=803+187=604-438=207+144=811-280=409+126=950-562=495+252=546-273=304+658=323+512=742+182=199+530=814-499=835-764=832-633=333+149=749+
2、173=359+241=167+643=655-259=758-469=583+221=970-207=943-674=940-253=138+276=988-134=934-219=299+242=886-687=862-804=533-185=289+648=913-234=346+408=622-549=143+178=526-268=721-562=932-478=354+482=315+623=624-131=428+389=609+395=193+518=309+267=841-679=621-235=953-689=607-418=807+157=347+381=806+107=
3、278+176=275+236=326+494=490+310=755-267=744-457=856-748=300-176=915-347=169+836=172+729=168+893=189+511=169+135=910-413=145+866=530-515=479+121=133+360=520-183=940-660=344-198=800-781=260+649=166+775=369+373=259+671=982-276=296+325=377+274=664-456=945-647=272+758=435-177=178+187=895-607=149+269=363+398=454+288=409+503=151+869=625-589=745-158=912-128=528-444=825-360=685-259=763-189=586-402=726-678=880-348=527-333=400-283=189+122=821-858=264+558=139+697=952-556=290-191=398+453=945-458=404+496=592+338=930-280=299+308=
