三年级数学(上)计算题专项练习附答案集锦

三年级数学(上)计算题专项练习附答案集锦34×(346-343)=183+264+35=760×3=515+888+880=813×3=477-237=884-46×8=846-802=730+788+727=777+169+572=290+(715-630)=264-(62+39)=55×9-171=428+(765-33)=122×6+226=73+303=444+775=269+107=642×4-937=2/8-1/8=364+267×2=136×3=563+203=717+(821-441)=159+279=961-763=463-90-156=358+(986-254)=474+179×4=477-177-49=3/6-2/6=293×(506-498)=818×5-133=204+770=757-622+439=51×9+260=299-(367-247)=938-455-219=362+(118-49)=739-234+286=69×(203-199)=167+279-410=417-232=350+308=776×6=645+877=1/3+2/3=442+217+139=516+932-821=112-20×2=639-65×7=333-(543-520)=33×(995-986)=368+691+243=396+(383-53)=851+642-339=104+69×3=501+580=183+376+271=215+163×4=179+209-324=197×(95-92)=492-85×3=546+528=178+160+46=195-93+339=386×4-476=432-(159+224)=823+906-854=961-717-95=154+983-496=852-113×6=422+748=486+(741-256)=215-30+254=523+(421-220)=276-179=165+857+778=970-513-40=371-316+134=377+749+376=263-173+352=696+29×6=213+42=839-219×2=250+191=199×5=569-(710-500)=167+223=863+557-797=20×5=783-(31+605)=5/9+4/9=309+944+900=861-306-410=3/6+2/6=580-403+492=5/7+2/7=779×(310-302)=2/4-1/4=67-10×2=423-(95+284)=619×6-445=46+211=188×(469-466)=464+943-647=114+322=490-(287-134)=323-(491-486)=859-508=594×3-594=181×2-305=604×2-351=381-29+101=333-197+292=472-(444-37)=193+772-712=330×2=940-748=856×8-922=398+18+146=450-200=17+97=452-421+26=919-(299-222)=189-12×8=499-158=113×7-676=741-227=545+(799-318)=509+100×3=242+219-415=216+168×4=229+552=15×(441-432)=192×6=7/9-1/9=955-(854-691)=215+137=265×(78-75)=715+842-569=841-(245-121)=10+(390-210)=530×(458-449)=827-490=490-82×5=419-10×4=670-403-126=222+241+78=960-819-37=864-(434+142)=162×4=355-(114+39)=80-(133-106)=255×7-341=93×(166-157)=457-20-270=308-113=112×(442-437)=442-96×2=858-373+866=360+(242-214)=225-77+81=475-89×2=82+(177-49)=108×7=331+729=46×9+406=818-(88-23)=456×4-599=950-907=42×3=376-216-106=133×(851-847)=361-(171+65)=224+(458-319)=275-254=344-(171+108)=436-21×4=148+507=674-(250+209)=396-(346-331)=957-300×3=493-159×3=123-(209-169)=131+786+972=731-138×4=31+355+358=321-114-41=753+52×7=567+772-292=437-307+52=798-140+203=271×3=389×4-533=584-59-501=907-(342-338)=963-400-139=515×(153-148)=107+30+509=154×3-395=57×2+201=570+595-749=89×4+582=13×5=237×(549-542)=383-117-47=949-549=405-(159-127)=251-30×5=456-(546-491)=266+(247-245)=117-(352-330)=45+134×5=88+(562-485)=171+230=587+(445-304)=410+329-457=28+125×8=52+297=37×5=768-13×2=291+(569-193)=420+122×4=743-127+386=337+(645-448)=89×2=946×(371-363)=232+159-381=62+437+125=665-50×4=235+(918-643)=438-(302-66)=735-(373+175)=365-(173+14)=993-120×5=874-(191+270)=637×(205-200)=999+(545-34)=324×7-939=64×7-400=940-54-523=274×(757-752)=391×2-39=426-(188+60)=361+327=122+725+75=488-(396-314)=256-(229-153)=372+(956-562)=759-(143+15)=902-(760+72)=137+101=166+125-138=334×(626-618)=934-(112+30)=985+(499-206)=290-(62+124)=967-(265-87)=486-265+224=308-199-19=320×2+268=458-(634-476)=474-31×4=200+97×6=169+225-236=378+234+693=71+327-228=116+(234-97)=173-19-30=645+337+789=389+(484-453)=326-49×6=456+236-674=186×(738-730)=437-53=237×(633-624)=4/10-2/10=153+152=26+499+444=335-19-300=349+147-183=403-(26+191)=778-210-377=107+470+357=708-85=295-16×3=238-106=888-75-701=748-120×3=702×7=381-(493-206)=636-275=390-363+333=86×4=639-72×7=388+90-276=195×5=90×(335-327)=111+32-101=773+842-513=49+(403-381)=750×(846-840)=151×3+420=583+137=780-435-342=482-377=853×(437-428)=872-508+195=408-249+187=716+210+46=194×3=249×(697-693)=324+164-361=52+(323-265)=457-(147+219)=994-700=207×6=228+366+113=96×(422-416)=474-(133+250)=864-632-50=497×(577-570)=271-196-50=405×4=534+18×3=933-62-844=28+143-132=858+916+535=940×(733-724)=740-522=47×3+100=79+386=977×5=242-20×7=355+(893-741)=198-25=127+(423-279)=484-388+280=494×6-79=262-(375-138)=130+(66-36)=17×6+458=355-264+286=138×(261-256)=555-(402+110)=286-(195+52)=498-(168+241)=312×8-397=109×(337-334)=98+352-361=991×3=422-(18+180)=339-(474-349)=890-270×2=814×3=867-(56+500)=64+(597-321)=964×4=701-(805-504)=484-196-21=786-71×6=327-(72+10)=215+538+465=77+(263-95)=400-(62+48)=948-138-52=344×(601-598)=11+(485-244)=409-141-112=117×8-491=584+349=84+(488-75)=913-(122+266)=37×6+240=129+(484-202)=324-(279+23)=857×4-28=94+174-126=344-279-19=521-159×2=364-140=155-89=186+(412-235)=287×(714-706)=426×2-342=292-62×2=246+27-172=289+(275-137)=283×5=32+562-291=187×5=106+166×2=261-222+86=496-194×2=642-(198+441)=939×8=3/7+2/7=183+222-34=687-667=435-312=311-(432-277)=147×4+643=37×4+586=470-169×2=993-(871-604)=821×4-392=383-(44+152)=423-30×9=194-71-55=431-12=234+76-188=576-210-13=930+699-277=80+210-152=704+150+97=79+416=204+93=262+(473-339)=695-33-470=114×(389-383)=61×6+902=97+309-236=351-323=255-40+32=471-(39+117)=753-510=215+645+68=466-(119-111)=185×2=317-125=132×4-315=294-34×4=39+214=33×5=323-172+107=317-(96+39)=184×5=34+242+40=827+31+970=893-84-741=425-81-44=158+69-194=115×3-295=109×2=484-(384-267)=439+108×5=188+205=587-558+578=910-(392+243)=386+180+151=445×(719-715)=532-(297+39)=963-(173+574)=120×(176-170)=678-(17+243)=386-(653-394)=274-253+124=784-23+89=77+205=3/8-2/8=163+284×2=199-115=490-(177+30)=481+755=5/8-1/8=495×2-562=410+(480-97)=461-(33+17)=23×3+292=144×(46-43)=905-31×8=317-260+169=69+273-272=81×2+359=101×(404-397)=241+247=263×(390-387)=870-194-383=971-916+643=442-(312-299)=562+29-206=260-119+293=876×7-763=868-10×6=468-(88+142)=210-(214-168)=106-80=673-(191+264)=202+92+278=225×4-609=522+224=431+(252-39)=177-43×3=224×9-887=160×5=225+34+242=363+(357-249)=350+(207-91)=407+70×4=360+76=940+(913-251)=349+22-22=132+493=408-87=723-608=991+407-512=206-(63+83)=832-535+21=921×2=600+864-314=345-(425-169)=91×(416-408)=471+(267-16)=328+60=351+(75-72)=110-(470-368)=147-12×5=425×2-756=808-(571-386)=77×9=639-58×4=849×7-633=433-296=926+437+594=157×4=161×(305-302)=327×2-250=306-(353-303)=296×(835-832)=674-(320+235)=667-81+950=204+115-36=1/6+3/6=587-568+222=579-49=644+569-909=712-123=221+429+470=801+738+668=706-(561+10)=877-(557-23)=139×7=197×3=495-348+108=334-16×5=439-101×2=362-47-116=300+386×2=782-39×6=3/6-1/6=994-289-151=945+97-739=370-343=437-(183-50)=79×9-671=601+(358-220)=204-68-25=110×9=377-112×3=236-(104+68)=162×(114-109)=396-35+94=188+663+137=382×2=431×3-68=464×2-461=201+58-74=575×9=608+356+495=542-56×6=859×9=90+39=148-14+32=799×9=484+13×6=126+(390-249)=742-115×2=975-118+109=418+26×4=97+98=525-320=329-236+73=761+179×5=396×2=308-51×2=354×2-270=695-515=794×2=466-162-35=1/4+2/4=651+258×2=278×3-170=330-40-148=972+(643-33)=409-(210+45)=777+931-67=817-747+206=772-(192+327)=218+234=5/9+2/9=882-(131-109)=490-235-253=483-74-104=323-188+360=461-240-127=315×2-361=491-119=473+49+271=430-(345-72)=296-98-193=708-28×7=10+389×2=459-(402-167)=251×2=140+(240-61)=262-(254-83)=183-(355-263)=335+130-251=137+448+402=987-486×2=933-205-402=607+46×5=423-210=302-267=141-14×3=465×(521-515)=89×6=491-(243-215)=661-(662-68)=127+353+461=109×3=351+(284-271)=2/6+3/6=774-(618-383)=458-(311+83)=504-490=253+92=641-335=442-220=614-178-84=263+29-290=353×4-179=722+818+117=191×(417-413)=97-52+131=176×3-95=427-349=150+92+226=387+209+230=10×3+334=90×8+964=5/7-1/7=284×9=937-472=265×8-858=140+77=126×(483-478)=4/8-2/8=87×7-544=69×6+207=161+78=306-34=921×(550-547)=502-(123+35)=459-24-331=181+(315-101)=144-(29+101)=257+275+369=716+338=798-(380+287)=476+(794-246)=22×7+992=531+88+745=971×6=738+436+132=969-(299+202)=306+163×3=75×(327-321)=201+452+301=89×7+160=806-(685-379)=209+954+528=102+(428-408)=227+48-138=161×3+647=875×7-323=956-76+382=34×7+166=160+(368-306)=875+477×2=223-180+109=348-99-212=404+303=662-455=130×4=293-230+119=446-169-58=283-128×2=636+905+604=958+(852-585)=240-(15+12)=2/3-1/3=640+721-180=344-113-118=99×5=619-158+779=807-214-101=128×3+51=63-(116-103)=738×3-646=778-144×2=285+913=596+(471-428)=733-500=191+118=618-459-138=172×5+58=138×2=113×(458-454)=498-250-143=330-80+36=443-242+72=317+90-168=476-(305-188)=548-219=750×(275-271)=997-71-447=739-(334+195)=292-59×3=298-19-57=295-(383-361)=467×2-307=273+(839-501)=113+(717-212)=70×3=179×(56-52)=86×(198-192)=281+412-316=930-472=418-122-162=893-150+892=2/6+4/6=296×7=328-(311-58)=697-315+553=51+29=901-247×3=28×3+97=352-25×4=135×(157-151)=123+552=999+518-406=173-87=816+321=474-(15+213)=79+298+416=167+20+494=480+15-364=178+106=655-585+20=667-211+968=234×2-291=280+110=44×(345-337)=230×3-515=376-(109+13)=661+732-307=159×4-337=808×(576-573)=275+32+675=591+167=982-73×8=770×(482-475)=83×9+524=485+(581-520)=535-(239-169)=207×3=683+492+465=697-671+439=476-158=995-37=62×2=947-455-246=591-295+779=384+61-398=148×3-63=1/10+3/10=405-(503-249)=741+478-978=72+105+590=753-100×7=892-50+665=730×4=385×2-705=422-38×9=451-75-215=302-25=90+342-299=128×4-11=573×4-200=4/8+2/8=783+519=456-423+324=116-(722-634)=27+57=118×7+335=133+80×4=3/5-1/5=66×9-92=165×2-196=503-141-352=629-(66+76)=165+671+755=390-56×4=423×6-649=82×7=775-423+316=320-(232+45)=697+121+988=61-17=478-346+246=91+261-335=655+867-746=865-(982-684)=99+109×2=789-172×4=121+265=456×8-625=497+(482-361)=106×(300-294)=31×(401-397)=451-131-238=393×3=99×(424-419)=202×2+312=121×3-316=273-89×2=315×(407-398)=109×2+261=187-25=392-(330-10)=508+246=223×2-148=384+428+19=215+230×2=801+930+86=646+87×5=550-(80-31)=325-234+307=124×3+745=696-(626-304)=708×7-745=843-574-56=198-174+182=475×(753-750)=570-252+209=200-(402-304)=367+(458-195)=929+795+121=388×2-692=422-(102+274)=58+722-592=381-(49+90)=参考答案34×(346-343)=102183+264+35=482760×3=2280515+888+880=2283813×3=2439477-237=240884-46×8=516846-802=44730+788+727=2245777+169+572=1518290+(715-630)=375264-(62+39)=16355×9-171=324428+(765-33)=1160122×6+226=95873+303=376444+775=1219269+107=376642×4-937=16312/8-1/8=1/8364+267×2=898136×3=408563+203=766717+(821-441)=1097159+279=438961-763=198463-90-156=217358+(986-254)=1090474+179×4=1190477-177-49=2513/6-2/6=1/6293×(506-498)=2344818×5-133=3957204+770=974757-622+439=57451×9+260=719299-(367-247)=179938-455-219=264362+(118-49)=431739-234+286=79169×(203-199)=276167+279-410=36417-232=185350+308=658776×6=4656645+877=15221/3+2/3=1442+217+139=798516+932-821=627112-20×2=72639-65×7=184333-(543-520)=31033×(995-986)=297368+691+243=1302396+(383-53)=726851+642-339=1154104+69×3=311501+580=1081183+376+271=830215+163×4=867179+209-324=64197×(95-92)=591492-85×3=237546+528=1074178+160+46=384195-93+339=441386×4-476=1068432-(159+224)=49823+906-854=875961-717-95=149154+983-496=641852-113×6=174422+748=1170486+(741-256)=971215-30+254=439523+(421-220)=724276-179=97165+857+778=1800970-513-40=417371-316+134=189377+749+376=1502263-173+352=442696+29×6=870213+42=255839-219×2=401250+191=441199×5=995569-(710-500)=359167+223=390863+557-797=62320×5=100783-(31+605)=1475/9+4/9=1309+944+900=2153861-306-410=1453/6+2/6=5/6580-403+492=6695/7+2/7=1779×(310-302)=62322/4-1/4=1/467-10×2=47423-(95+284)=44619×6-445=326946+211=257188×(469-466)=564464+943-647=760114+322=436490-(287-134)=337323-(491-486)=318859-508=351594×3-594=1188181×2-305=57604×2-351=857381-29+101=453333-197+292=428472-(444-37)=65193+772-712=253330×2=660940-748=192856×8-922=5926398+18+146=562450-200=25017+97=114452-421+26=57919-(299-222)=842189-12×8=93499-158=341113×7-676=115741-227=514545+(799-318)=1026509+100×3=809242+219-415=46216+168×4=888229+552=78115×(441-432)=135192×6=11527/9-1/9=6/9955-(854-691)=792215+137=352265×(78-75)=795715+842-569=988841-(245-121)=71710+(390-210)=190530×(458-449)=4770827-490=337490-82×5=80419-10×4=379670-403-126=141222+241+78=541960-819-37=104864-(434+142)=288162×4=648355-(114+39)=20280-(133-106)=53255×7-341=144493×(166-157)=837457-20-270=167308-113=195112×(442-437)=560442-96×2=250858-373+866=1351360+(242-214)=388225-77+81=229475-89×2=29782+(177-49)=210108×7=756331+729=106046×9+406=820818-(88-23)=753456×4-599=1225950-907=4342×3=126376-216-106=54133×(851-847)=532361-(171+65)=125224+(458-319)=363275-254=21344-(171+108)=65436-21×4=352148+507=655674-(250+209)=215396-(346-331)=381957-300×3=57493-159×3=16123-(209-169)=83131+786+972=1889731-138×4=17931+355+358=744321-114-41=166753+52×7=1117567+772-292=1047437-307+52=182798-140+203=861271×3=813389×4-533=1023584-59-501=24907-(342-338)=903963-400-139=424515×(153-148)=2575107+30+509=646154×3-395=6757×2+201=315570+595-749=41689×4+582=93813×5=65237×(549-542)=1659383-117-47=219949-549=400405-(159-127)=373251-30×5=101456-(546-491)=401266+(247-245)=268117-(352-330)=9545+134×5=71588+(562-485)=165171+230=401587+(445-304)=728410+329-457=28228+125×8=102852+297=34937×5=185768-13×2=742291+(569-193)=667420+122×4=908743-127+386=1002337+(645-448)=53489×2=178946×(371-363)=7568232+159-381=1062+437+125=624665-50×4=465235+(918-643)=510438-(302-66)=202735-(373+175)=187365-(173+14)=178993-120×5=393874-(191+270)=413637×(205-200)=3185999+(545-34)=1510324×7-939=132964×7-400=48940-54-523=363274×(757-752)=1370391×2-39=743426-(188+60)=178361+327=688122+725+75=922488-(396-314)=406256-(229-153)=180372+(956-562)=766759-(143+15)=601902-(760+72)=70137+101=238166+125-138=153334×(626-618)=2672934-(112+30)=792985+(499-206)=1278290-(62+124)=104967-(265-87)=789486-265+224=445308-199-19=90320×2+268=908458-(634-476)=300474-31×4=350200+97×6=782169+225-236=158378+234+693=130571+327-228=170116+(234-97)=253173-19-30=124645+337+789=1771389+(484-453)=420326-49×6=32456+236-674=18186×(738-730)=1488437-53=384237×(633-624)=21334/10-2/10=2/10153+152=30526+499+444=969335-19-300=16349+147-183=313403-(26+191)=186778-210-377=191107+470+357=934708-85=623295-16×3=247238-106=132888-75-701=112748-120×3=388702×7=4914381-(493-206)=94636-275=361390-363+333=36086×4=344639-72×7=135388+90-276=202195×5=97590×(335-327)=720111+32-101=42773+842-513=110249+(403-381)=71750×(846-840)=4500151×3+420=873583+137=720780-435-342=3482-377=105853×(437-428)=7677872-508+195=559408-249+187=346716+210+46=972194×3=582249×(697-693)=996324+164-361=12752+(323-265)=110457-(147+219)=91994-700=294207×6=1242228+366+113=70796×(422-416)=576474-(133+250)=91864-632-50=182497×(577-570)=3479271-196-50=25405×4=1620534+18×3=588933-62-844=2728+143-132=39858+916+535=2309940×(733-724)=8460740-522=21847×3+100=24179+386=465977×5=4885242-20×7=102355+(893-741)=507198-25=173127+(423-279)=271484-388+280=376494×6-79=2885262-(375-138)=25130+(66-36)=16017×6+458=560355-264+286=377138×(261-256)=690555-(402+110)=43286-(195+52)=39498-(168+241)=89312×8-397=2099109×(337-334)=32798+352-361=89991×3=2973422-(18+180)=224339-(474-349)=214890-270×2=350814×3=2442867-(56+500)=31164+(597-321)=340964×4=3856701-(805-504)=400484-196-21=267786-71×6=360327-(72+10)=245215+538+465=121877+(263-95)=245400-(62+48)=290948-138-52=758344×(601-598)=103211+(485-244)=252409-141-112=156117×8-491=445584+349=93384+(488-75)=497913-(122+266)=52537×6+240=462129+(484-202)=411324-(279+23)=22857×4-28=340094+174-126=142344-279-19=46521-159×2=203364-140=224155-89=66186+(412-235)=363287×(714-706)=2296426×2-342=510292-62×2=168246+27-172=101289+(275-137)=427283×5=141532+562-291=303187×5=935106+166×2=438261-222+86=125496-194×2=108642-(198+441)=3939×8=75123/7+2/7=5/7183+222-34=371687-667=20435-312=123311-(432-277)=156147×4+643=123137×4+586=734470-169×2=132993-(871-604)=726821×4-392=2892383-(44+152)=187423-30×9=153194-71-55=68431-12=419234+76-188=122576-210-13=353930+699-277=135280+210-152=138704+150+97=95179+416=495204+93=297262+(473-339)=396695-33-470=192114×(389-383)=68461×6+902=126897+309-236=170351-323=28255-40+32=247471-(39+117)=315753-510=243215+645+68=928466-(119-111)=458185×2=370317-125=192132×4-315=213294-34×4=15839+214=25333×5=165323-172+107=258317-(96+39)=182184×5=92034+242+40=316827+31+970=1828893-84-741=68425-81-44=300158+69-194=33115×3-295=50109×2=218484-(384-267)=367439+108×5=979188+205=393587-558+578=607910-(392+243)=275386+180+151=717445×(719-715)=1780532-(297+39)=196963-(173+574)=216120×(176-170)=720678-(17+243)=418386-(653-394)=127274-253+124=145784-23+89=85077+205=2823/8-2/8=1/8163+284×2=731199-115=84490-(177+30)=283481+755=12365/8-1/8=4/8495×2-562=428410+(480-97)=793461-(33+17)=41123×3+292=361144×(46-43)=432905-31×8=657317-260+169=22669+273-272=7081×2+359=521101×(404-397)=707241+247=488263×(390-387)=789870-194-383=293971-916+643=698442-(312-299)=429562+29-206=385260-119+293=434876×7-763=5369868-10×6=808468-(88+142)=238210-(214-168)=164106-80=26673-(191+264)=218202+92+278=572225×4-609=291522+224=746431+(252-39)=644177-43×3=48224×9-887=1129160×5=800225+34+242=501363+(357-249)=471350+(207-91)=466407+70×4=687360+76=436940+(913-251)=1602349+22-22=349132+493=625408-87=321723-608=115991+407-512=886206-(63+83)=60832-535+21=318921×2=1842600+864-314=1150345-(425-169)=8991×(416-408)=728471+(267-16)=722328+60=388351+(75-72)=354110-(470-368)=8147-12×5=87425×2-756=94808-(571-386)=62377×9=693639-58×4=407849×7-633=5310433-296=137926+437+594=1957157×4=628161×(305-302)=483327×2-250=404306-(353-303)=256296×(835-832)=888674-(320+235)=119667-81+950=1536204+115-36=2831/6+3/6=4/6587-568+222=241579-49=530644+569-909=304712-123=589221+429+470=1120801+738+668=2207706-(561+10)=135877-(557-23)=343139×7=973197×3=591495-348+108=255334-16×5=254439-101×2=237362-47-116=199300+386×2=1072782-39×6=5483/6-1/6=2/6994-289-151=554945+97-739=303370-343=27437-(183-50)=30479×9-671=40601+(358-220)=739204-68-25=111110×9=990377-112×3=41236-(104+68)=64162×(114-109)=810396-35+94=455188+663+137=988382×2=764431×3-68=1225464×2-461=467201+58-74=185575×9=5175608+356+495=1459542-56×6=206859×9=773190+39=129148-14+32=166799×9=7191484+13×6=562126+(390-249)=267742-115×2=512975-118+109=966418+26×4=52297+98=195525-320=205329-236+73=166761+179×5=1656396×2=792308-51×2=206354×2-270=438695-515=180794×2=1588466-162-35=2691/4+2/4=3/4651+258×2=1167278×3-170=664330-40-148=142972+(643-33)=1582409-(210+45)=154777+931-67=1641817-747+206=276772-(192+327)=253218+234=4525/9+2/9=7/9882-(131-109)=860490-235-253=2483-74-104=305323-188+360=495461-240-127=94315×2-361=269491-119=372473+49+271=793430-(345-72)=157296-98-193=5708-28×7=51210+389×2=788459-(402-167)=224251×2=502140+(240-61)=319262-(254-83)=91183-(355-263)=91335+130-251=214137+448+402=987987-486×2=15933-205-402=326607+46×5=837423-210=213302-267=35141-14×3=99465×(521-515)=279089×6=534491-(243-215)=463661-(662-68)=67127+353+461=941109×3=327351+(284-271)=3642/6+3/6=5/6774-(618-383)=539458-(311+83)=64504-490=14253+92=345641-335=306442-220=222614-178-84=352263+29-290=2353×4-179=1233722+818+117=1657191×(417-413)=76497-52+131=176176×3-95=433427-349=78150+92+226=468387+209+230=82610×3+334=36490×8+964=16845/7-1/7=4/7284×9=2556937-472=465265×8-858=1262140+77=217126×(483-478)=6304/8-2/8=2/887×7-544=6569×6+207=621161+78=239306-34=272921×(550-547)=2763502-(123+35)=344459-24-331=104181+(315-101)=395144-(29+101)=14257+275+369=901716+338=1054798-(380+287)=131476+(794-246)=102422×7+992=1146531+88+745=1364971×6=5826738+436+132=1306969-(299+202)=468306+163×3=79575×(327-321)=450201+452+301=95489×7+160=783806-(685-379)=500209+954+528=1691102+(428-408)=122227+48-138=137161×3+647=1130875×7-323=5802956-76+382=126234×7+166=404160+(368-306)=222875+477×2=1829223-180+109=152348-99-212=37404+303=707662-455=207130×4=520293-230+119=182446-169-58=219283-128×2=27636+905+604=2145958+(852-585)=1225240-(15+12)=2132/3-1/3=1/3640+721-180=1181344-113-118=11399×5=495619-158+779=1240807-214-101=492128×3+51=43563-(116-103)=50738