三年級數(shù)學(上)計算題專項練習附答案集錦

三年級數(shù)學(上)計算題專項練習附答案集錦841+(989-399)=698×(599-594)=483-70=43×(443-438)=781+989+887=123+77×2=54×8-128=475-58×6=190-(277-160)=143×2+36=445×3-99=893+638+24=646-(650-337)=61×3+464=460+48×3=163+61=5/7-1/7=871+608+700=671×8-577=207×3+258=982-(85+869)=454-87-365=726-108-361=156×3=430-(924-647)=821+847=208-51-124=239×5-145=608×(172-166)=969×7=208+214=3/9-1/9=876-105-352=627-68×8=896-(297+450)=225×2+433=288-15+184=599-178+585=4/6-2/6=407-(30+64)=620×4-135=3/7+2/7=475-(229+87)=1/4+2/4=209×4-225=191-(486-323)=44+252+483=607+(927-186)=443-102×4=32×9+178=3/6+2/6=85+390-154=67+146=354-343+482=4/8-2/8=857+(226-97)=190×9-649=574+315-60=283+75×6=853-(452-274)=602+18×9=632-211=346×(363-359)=228+398-256=441-(486-320)=158+(104-21)=375-(288-197)=408+(388-26)=660-185-33=58×(909-900)=442+228=330+146=318-(144+132)=49×8=295×3-766=148+639=702+70-420=327×2-180=793-433=462+59×4=489-(350-38)=618+443+549=874+231-814=263+162×3=303-247=766×(829-826)=25+67+53=967+903+940=12×6+180=709-48×8=116+412=587×7-849=421-73=18+131+377=433×6=228-(80+42)=342×7-491=582×(776-773)=290-27×2=194+665=190+965-818=108+107+267=324-75=55+55=81-(180-136)=108+(480-295)=412×2=735×(760-751)=79+241-181=220-(26+72)=152×5+222=442×(977-972)=103+34+131=155×3=285-(40+236)=548-446=232×5=390-(212+174)=632+(354-209)=116+118+722=882-467=287+473=609-65×6=214+194-346=84×9=163×4=638+816=964-(99+270)=28+162×4=366-15×4=432+113+317=188×(411-408)=25+(455-262)=287-279+55=122×8-129=940-384-39=65×7+674=248-24×5=266+121-76=284-10×4=390×4-479=307×(485-481)=154+78=85+44×7=92×9=968+190-792=180+487+271=135+94=734+476-524=221×9-399=30×4-114=142-141+101=168+222+74=488-308-177=236+87+210=868-(417-11)=314-(305-270)=825-405=416-108×3=490×2+859=468-(432-293)=221×(655-649)=418-68×4=42+175=82×(64-55)=366-124+75=751+(282-256)=14×2+457=313-252=432+38×4=864-484-321=463+(180-23)=371+75-245=253+91=963-(774-576)=717-208=231+54+549=873+(460-298)=897-104=277-12-141=832-616-48=943-932+733=982-606=228×2-374=356-(382-375)=710×2=326-(86+218)=846-(827-108)=605-188-59=705-288-195=868+990+742=8/10+2/10=33×2=1/3+2/3=138+413×2=474-66-231=72×(903-900)=80×2=946-118+952=423+(240-206)=493×(379-371)=145+539=880-46×4=927-23×6=815-16×8=220-(69+48)=217×3=797+(963-478)=48×9-221=205-39=408-(12+127)=520+989-841=78+371-51=870×3=114×(140-134)=873+818+37=862-(670-640)=298×2-497=827+(975-155)=877-(284+119)=187+871+918=443-16-294=991×2=81×(351-346)=798-743+626=171-(129-106)=749-48×2=113×7-475=96+35=13+232+694=13×(405-400)=315-(357-250)=422×2-817=301+(323-125)=149+315-405=370-39×2=262-(445-309)=834-75×7=452-(176+132)=807×5=492+333-324=104×2=455-(62-29)=356-185+155=604-(695-593)=219+143×4=394+(468-373)=740-141-257=293×4=124+512=490-321-114=243+162=664-94×2=418+57-419=581-21×3=195+194-343=201+281=28+335-84=5/9-1/9=151×(44-38)=645-371+762=328-(53+122)=756×(450-447)=24+143=243×2-481=349×6=206×4=97×9=927-817-94=310-27×5=376-43×2=412+425+309=779×(796-789)=52×7+219=381+162+216=239-87-81=359-333+225=276-40×4=100×3=432+849+548=492×9-32=457×9=174+(122-41)=442-(323+15)=298-20×3=669-459+402=443-331+13=84-(344-312)=563×9=634-70×5=413+(995-838)=466-62-278=951-548=675-(230+419)=918+893-146=257+70=13×(454-451)=414-(12+308)=202×(157-150)=443-(59+298)=719-135-395=25×8=56+(128-109)=75×5=581-481+189=745+(305-39)=235×2+361=174+113=758-20-218=740-257-176=225+541=125×4-217=441-14×5=215×4=5/8+2/8=824-624=180×2+481=263+(399-395)=140+(849-229)=843-664-152=339-44+281=694-(308-80)=93+184-13=229-14+144=431×(479-475)=103×8=98-31+995=7/10-1/10=358-234+154=108+251+44=428-(105-83)=196+12-93=148-69+193=756-45=714×4-810=538+132×2=467-(234+153)=242×3=100×(400-393)=301×(14-11)=356-307-13=48×6-39=911+429-745=717+916=359×2=965-629+635=305-10×9=920-695-108=2/4-1/4=534-(502-243)=48+15×2=758-(304-150)=470-102-186=277×3+614=164+313-390=158×5-128=337-(29+265)=322-(181+33)=341-(22+30)=284+293+320=458×7-657=464-363=357-18×8=616+157×3=660-374=607-41-124=761-145×5=152+427-365=932+188-169=352+119-441=496-432=645+831+404=80+(77-58)=364+83+513=66×(383-380)=290+784-237=67+190=782-85×5=327-(129+195)=836-327=219-26=252+(210-147)=254-(422-240)=634×7-590=565-(774-325)=454-297=183×(167-162)=197+456×2=58+173=390+147+432=818-(813-800)=597×5=574-(961-390)=692+28×2=8/9-1/9=756+128-367=163×(253-246)=2/8+3/8=278×5-138=564×5-722=718×(956-947)=258+(941-591)=464-377=193+354+450=283+128=924-(572+37)=987×(433-430)=625×(278-274)=258+271+272=549-17×4=376×8-942=105×5+498=340+43×7=345-48+150=4/6-1/6=277+191=485×9=73+(310-76)=442-326-72=727-209-54=160-13×6=176-109=148×5-23=177×(473-470)=603+52+257=548-152+462=285+957=279-(49+173)=246×4+115=415+201×2=252+19-225=452-310+143=919-442=171×4-446=561+(975-803)=440-(120+71)=277-79+97=254+(900-36)=398-291-45=61-41=315+402+412=178-172+121=192+(476-154)=216-30+25=482×4=638-82×5=635-(49+222)=430-85=17+(442-432)=818-24×3=729-719=39×9-119=831+33×3=130×(486-479)=482-(348+110)=723-(821-797)=167+39=68+(234-112)=822-363-425=577-22=536-68×7=780+(934-186)=533+870=525-(526-283)=10+185+664=228×2+259=80+89=373×8=563+262+13=445×8-764=304+136+459=263-43×6=364×2-228=96×9+619=14+(125-83)=94+123+538=18×4=209×4=263+133-371=589+837+742=764+462=491-(500-418)=252-(390-319)=147+821=520+208=53×6+62=288×2-281=496-137=372-(347+11)=517×6-771=396-219-119=407-(327+71)=541+271-363=299-158+25=269+61=276-13+165=149×4-42=424-351=478-137-296=157+517-362=161+183=489-90×2=249×2-204=354+(377-100)=787-(595+19)=808×6-261=311×4=596-105-292=192×(188-184)=427+351×2=885-(13+433)=385-299+298=32×9+584=714-581+891=337-163=634×3-511=246+(993-576)=465-(297-290)=5/8-2/8=683-(692-138)=72+157×6=337-204+263=442×(486-477)=335+146-180=444-368+347=322+55-290=119×2+451=473-67×6=431-144-158=373+28-398=83×5+447=804-189×2=783-667+595=485-64×2=4/7-2/7=996+194=90-60+401=3/8+4/8=145-12×7=941-(68+210)=496-38×3=1/8+2/8=352-337+377=107+41×9=422+77+693=609+639-505=1/6+4/6=289+149+890=490-(516-131)=93×(263-256)=419×(205-197)=404-(161-144)=766×5=254×(453-450)=895-(848-457)=275-16×3=337-(170+131)=512+229=141×7=328+(380-234)=897-764-16=579+(558-92)=455-270-51=599-101×5=437-126-263=968×(826-819)=160+277-418=795-(86+685)=109+195=771+194+774=91+330-254=302×(129-126)=110×5+846=117-(121-78)=289-146=105×3-227=363-193=411+(444-369)=301-71-168=690-237-369=263×2-344=634-521=349-(41+234)=440-152=437-(406-189)=640-161×3=449×2+873=502+(737-496)=988-244=430+(775-766)=431+225=185+483+148=785+243×2=218+126=158+192=513×(882-877)=413-135×2=261-71-139=33×4=88+293=375+997-40=370-246+227=794-(751-537)=217×4=91+961+19=383-39-160=211+99=990+373×2=179×4=38+957-465=24×5=935-(351+373)=33+26×7=34×(194-190)=385-73+116=174+(367-251)=883-217=63+818+28=40×4=917-563+897=443×4=975-918=472-136×3=90×(410-403)=972-(241+569)=156×4+60=172-21=230×5=263×8=253×(89-86)=190×5-805=302-66×3=170-79+348=900-429-410=319×3+492=167×2+382=280-148+160=989-17×9=187+(647-326)=349-326-12=898-628-84=147+169×3=103+99=517+612+237=392-277=928×3=361-176+247=1/5+3/5=207×3-400=120×(479-472)=457-106=293+43-293=474-274=138-(460-444)=216×(363-360)=413-29×6=395-284=242+157+496=890-31×2=853+399=193-11×7=756-(758-122)=452-221+95=119×(237-229)=54-(173-135)=152×(298-292)=606-410+387=295+400-335=227+89-176=637-(237+210)=920-(899-453)=731-646=421-(75+119)=80+12+805=194+110+488=2/6-1/6=299+92=808×(818-809)=332-93+965=163×2-321=393-28×3=92-39×2=875+552-20=434-152=741×3-817=371-(348-13)=15+(379-87)=309+(231-18)=41×8=72+(434-161)=798-(800-68)=787+330-274=403-(600-551)=677-(451-441)=459-22×6=285+189-203=275+425=356+23+130=169+320-156=398-(402-229)=517+858+881=150+806-85=509-(322+135)=374+94-458=484-257=116×3=459-407=274+(401-385)=666×9-25=2/7+3/7=77+120×6=435+(289-221)=329-214+343=103×2-36=914-105+299=444-(633-340)=480-(225+154)=997-741-231=80+(400-83)=16×8+627=497+(617-311)=900×6-450=176+393+127=68+175=205+(213-23)=246+369×2=685-(450+89)=40×8=412-(64+249)=386+863-302=275-134=283-(196-28)=754×(978-974)=532-(131+147)=97×5=314-(394-100)=772-710+338=258+173-340=694-647=294-195+204=693×8-701=86×9-106=930-220-521=550-444=21×(268-260)=394×2-757=269+(380-320)=727-154+14=12×(74-65)=379-(472-334)=122×2-151=951-171-774=46×(299-292)=40×(285-277)=933-302=31×(186-181)=290-100-178=471-409+906=853-(47+778)=807+(216-35)=377-199-96=379+333-105=607-31×9=502-(578-118)=456-(242+21)=88×4+272=267+(391-67)=341-98=285+976+541=452-399+73=72×(368-361)=363-16×5=994-(371+428)=722-(684-226)=498-77=116+338-370=380-(20+326)=640-64×9=315+96=881×8=18+219+714=239+(874-275)=655-650+432=963-912+151=533-304+708=498+404=69×4+452=498-243-22=418-276-133=786-(207+393)=322-45×6=473-109-42=492-(284+84)=779+(208-105)=288×2=105+100=282+43×6=336+322-612=220×4=150+328-333=179-167+973=948-672=41×(171-164)=51+594+81=868-292=920-39×6=283-(737-675)=306+283=329+(103-61)=739×7-131=539+430-254=682-55=161×5-554=365-55-136=381-370+110=311×3=415+96×4=15×8=287+404+366=339+544+57=242-120+985=186×(295-291)=929-61-288=169+475+80=144-(14+42)=323-124-15=251+(201-43)=27+95+783=505-117+240=405-(83+108)=348-134=285+(715-704)=891-89-394=363-(79+280)=678+34+200=823×7-944=813+168-517=34×(846-842)=373-16-177=393+104-163=410-100×4=917-659+238=890+972+58=472-258-171=712-(50+317)=253+64=810+(961-233)=188+(193-58)=231+45-258=120+116=509×9-636=82-(288-229)=619-(49+219)=281+71=304×9-516=469-122=102×8=239+171+421=792+735=988-(292+631)=396-158-189=678×4=875-(455+195)=317-(932-820)=參考答案841+(989-399)=1431698×(599-594)=3490483-70=41343×(443-438)=215781+989+887=2657123+77×2=27754×8-128=304475-58×6=127190-(277-160)=73143×2+36=322445×3-99=1236893+638+24=1555646-(650-337)=33361×3+464=647460+48×3=604163+61=2245/7-1/7=4/7871+608+700=2179671×8-577=4791207×3+258=879982-(85+869)=28454-87-365=2726-108-361=257156×3=468430-(924-647)=153821+847=1668208-51-124=33239×5-145=1050608×(172-166)=3648969×7=6783208+214=4223/9-1/9=2/9876-105-352=419627-68×8=83896-(297+450)=149225×2+433=883288-15+184=457599-178+585=10064/6-2/6=2/6407-(30+64)=313620×4-135=23453/7+2/7=5/7475-(229+87)=1591/4+2/4=3/4209×4-225=611191-(486-323)=2844+252+483=779607+(927-186)=1348443-102×4=3532×9+178=4663/6+2/6=5/685+390-154=32167+146=213354-343+482=4934/8-2/8=2/8857+(226-97)=986190×9-649=1061574+315-60=829283+75×6=733853-(452-274)=675602+18×9=764632-211=421346×(363-359)=1384228+398-256=370441-(486-320)=275158+(104-21)=241375-(288-197)=284408+(388-26)=770660-185-33=44258×(909-900)=522442+228=670330+146=476318-(144+132)=4249×8=392295×3-766=119148+639=787702+70-420=352327×2-180=474793-433=360462+59×4=698489-(350-38)=177618+443+549=1610874+231-814=291263+162×3=749303-247=56766×(829-826)=229825+67+53=145967+903+940=281012×6+180=252709-48×8=325116+412=528587×7-849=3260421-73=34818+131+377=526433×6=2598228-(80+42)=106342×7-491=1903582×(776-773)=1746290-27×2=236194+665=859190+965-818=337108+107+267=482324-75=24955+55=11081-(180-136)=37108+(480-295)=293412×2=824735×(760-751)=661579+241-181=139220-(26+72)=122152×5+222=982442×(977-972)=2210103+34+131=268155×3=465285-(40+236)=9548-446=102232×5=1160390-(212+174)=4632+(354-209)=777116+118+722=956882-467=415287+473=760609-65×6=219214+194-346=6284×9=756163×4=652638+816=1454964-(99+270)=59528+162×4=676366-15×4=306432+113+317=862188×(411-408)=56425+(455-262)=218287-279+55=63122×8-129=847940-384-39=51765×7+674=1129248-24×5=128266+121-76=311284-10×4=244390×4-479=1081307×(485-481)=1228154+78=23285+44×7=39392×9=828968+190-792=366180+487+271=938135+94=229734+476-524=686221×9-399=159030×4-114=6142-141+101=102168+222+74=464488-308-177=3236+87+210=533868-(417-11)=462314-(305-270)=279825-405=420416-108×3=92490×2+859=1839468-(432-293)=329221×(655-649)=1326418-68×4=14642+175=21782×(64-55)=738366-124+75=317751+(282-256)=77714×2+457=485313-252=61432+38×4=584864-484-321=59463+(180-23)=620371+75-245=201253+91=344963-(774-576)=765717-208=509231+54+549=834873+(460-298)=1035897-104=793277-12-141=124832-616-48=168943-932+733=744982-606=376228×2-374=82356-(382-375)=349710×2=1420326-(86+218)=22846-(827-108)=127605-188-59=358705-288-195=222868+990+742=26008/10+2/10=133×2=661/3+2/3=1138+413×2=964474-66-231=17772×(903-900)=21680×2=160946-118+952=1780423+(240-206)=457493×(379-371)=3944145+539=684880-46×4=696927-23×6=789815-16×8=687220-(69+48)=103217×3=651797+(963-478)=128248×9-221=211205-39=166408-(12+127)=269520+989-841=66878+371-51=398870×3=2610114×(140-134)=684873+818+37=1728862-(670-640)=832298×2-497=99827+(975-155)=1647877-(284+119)=474187+871+918=1976443-16-294=133991×2=198281×(351-346)=405798-743+626=681171-(129-106)=148749-48×2=653113×7-475=31696+35=13113+232+694=93913×(405-400)=65315-(357-250)=208422×2-817=27301+(323-125)=499149+315-405=59370-39×2=292262-(445-309)=126834-75×7=309452-(176+132)=144807×5=4035492+333-324=501104×2=208455-(62-29)=422356-185+155=326604-(695-593)=502219+143×4=791394+(468-373)=489740-141-257=342293×4=1172124+512=636490-321-114=55243+162=405664-94×2=476418+57-419=56581-21×3=518195+194-343=46201+281=48228+335-84=2795/9-1/9=4/9151×(44-38)=906645-371+762=1036328-(53+122)=153756×(450-447)=226824+143=167243×2-481=5349×6=2094206×4=82497×9=873927-817-94=16310-27×5=175376-43×2=290412+425+309=1146779×(796-789)=545352×7+219=583381+162+216=759239-87-81=71359-333+225=251276-40×4=116100×3=300432+849+548=1829492×9-32=4396457×9=4113174+(122-41)=255442-(323+15)=104298-20×3=238669-459+402=612443-331+13=12584-(344-312)=52563×9=5067634-70×5=284413+(995-838)=570466-62-278=126951-548=403675-(230+419)=26918+893-146=1665257+70=32713×(454-451)=39414-(12+308)=94202×(157-150)=1414443-(59+298)=86719-135-395=18925×8=20056+(128-109)=7575×5=375581-481+189=289745+(305-39)=1011235×2+361=831174+113=287758-20-218=520740-257-176=307225+541=766125×4-217=283441-14×5=371215×4=8605/8+2/8=7/8824-624=200180×2+481=841263+(399-395)=267140+(849-229)=760843-664-152=27339-44+281=576694-(308-80)=46693+184-13=264229-14+144=359431×(479-475)=1724103×8=82498-31+995=10627/10-1/10=6/10358-234+154=278108+251+44=403428-(105-83)=406196+12-93=115148-69+193=272756-45=711714×4-810=2046538+132×2=802467-(234+153)=80242×3=726100×(400-393)=700301×(14-11)=903356-307-13=3648×6-39=249911+429-745=595717+916=1633359×2=718965-629+635=971305-10×9=215920-695-108=1172/4-1/4=1/4534-(502-243)=27548+15×2=78758-(304-150)=604470-102-186=182277×3+614=1445164+313-390=87158×5-128=662337-(29+265)=43322-(181+33)=108341-(22+30)=289284+293+320=897458×7-657=2549464-363=101357-18×8=213616+157×3=1087660-374=286607-41-124=442761-145×5=36152+427-365=214932+188-169=951352+119-441=30496-432=64645+831+404=188080+(77-58)=99364+83+513=96066×(383-380)=198290+784-237=83767+190=257782-85×5=357327-(129+195)=3836-327=509219-26=193252+(210-147)=315254-(422-240)=72634×7-590=3848565-(774-325)=116454-297=157183×(167-162)=915197+456×2=110958+173=231390+147+432=969818-(813-800)=805597×5=2985574-(961-390)=3692+28×2=7488/9-1/9=7/9756+128-367=517163×(253-246)=11412/8+3/8=5/8278×5-138=1252564×5-722=2098718×(956-947)=6462258+(941-591)=608464-377=87193+354+450=997283+128=411924-(572+37)=315987×(433-430)=2961625×(278-274)=2500258+271+272=801549-17×4=481376×8-942=2066105×5+498=1023340+43×7=641345-48+150=4474/6-1/6=3/6277+191=468485×9=436573+(310-76)=307442-326-72=44727-209-54=464160-13×6=82176-109=67148×5-23=717177×(473-470)=531603+52+257=912548-152+462=858285+957=1242279-(49+173)=57246×4+115=1099415+201×2=817252+19-225=46452-310+143=285919-442=477171×4-446=238561+(975-803)=733440-(120+71)=249277-79+97=295254+(900-36)=1118398-291-45=6261-41=20315+402+412=1129178-172+121=127192+(476-154)=514216-30+25=211482×4=1928638-82×5=228635-(49+222)=364430-85=34517+(442-432)=27818-24×3=746729-719=1039×9-119=232831+33×3=930130×(486-479)=910482-(348+110)=24723-(821-797)=699167+39=20668+(234-112)=190822-363-425=34577-22=555536-68×7=60780+(934-186)=1528533+870=1403525-(526-283)=28210+185+664=859228×2+259=71580+89=169373×8=2984563+262+13=838445×8-764=2796304+136+459=899263-43×6=5364×2-228=50096×9+619=148314+(125-83)=5694+123+538=75518×4=72209×4=836263+133-371=25589+837+742=2168764+462=1226491-(500-418)=409252-(390-319)=181147+821=968520+208=72853×6+62=380288×2-281=295496-137=359372-(347+11)=14517×6-771=2331396-219-119=58407-(327+71)=9541+271-363=449299-158+25=166269+61=330276-13+165=428149×4-42=554424-351=73478-137-296=45157+517-362=312161+183=344489-90×2=309249×2-204=294354+(377-100)=631787-(595+19)=173808×6-261=4587311×4=1244596-105-292=199192×(188-184)=768427+351×2=1129885-(13+433)=439385-299+298=38432×9+584=872714-581+891=1024337-163=174634×3-511=1391246+(993-576)=663465-(297-290)=4585/8-2/8=3/8683-(692-138)=12972+157×6=1014337-204+263=396442×(486-477)=3978335+146-180=301444-368+347=423322+55-290=87119×2+451=689473-67×6=71431-144-158=129373+28-398=383×5+447=862804-189×2=426783-667+595=711485-64×2=3574/7-2/7=2/7996+194=119090-60+401=4313/8+4/8=7/8145-12×7=61941-(68+210)=663496-38×3=3821/8+2/8=3/8352-337+377=392107+41×9=476422+77+693=1192609+639-505=7431/6+4/6=5/6289+149+890=1328490-(516-131)=10593×(263-256)=651419×(205-197)=3352404-(161-144)=387766×5=3830254×(453-450)=762895-(848-457)=504275-16×3=227337-(170+131)=36512+229=741141×7=987328+(380-234)=474897-764-16=117579+(558-92)=1045455-270-51=134599-101×5=94437-126-263=48968×(826-819)=6776160+277-418=19795-(86+685)=24109+195=304771+194+774=173991+330-254=167302×(129-126)=906110×5+846=1396117-(121-78)=74289-146=143105×3-227=88363-193=170411+(444-369)=486301-71-168=62690-237-369=84263×2-344=182634-521=113349-(41+234)=74440-152=288437-(406-189)=220640-161×3=157449×2+873=1771502+(737-496)=743988-244=744430+(775-766)=439431+225=656185+483+148=816785+243×2=1271218+126=344158+192=350513×(882-877)=2565413-135×2=143261-71-139=5133×4=13288+293=381375+997-40=1332370-246+227=351794-(751-537)=580217×4=86891+961+19=1071383-39-160=184211+99=310990+373×2=1736179×4=71638+957-465=53024×5=120935-(351+373)=21133+26×7=21534×(194-190)=136385-73+116=428174+(367-251)=290883-217=66663+818+28=90940×4=160917-563+897=1251443×4=1772975-918=57472-136×3=6490×(410-403)=630972-(241+569)=162156×4+60=684172-21=151230×5=1150263×8=2104253×(89-86)=759190×5-805=145302-66×3=104170-79+348=439900-429-410=61319×3+492=1449167×2+382=716280-148+160=292989-17×9=836187+(647-326)=508349-326-12=11898-628-84=186147+169×3=654103+99=202517+612+237=1366392-277=115928×3=2784361-176+247=4321/5+3/5=4/5207×3-400=221120×(479-472)=840457-106=351293+43-293=43474-274=200138-(460-444)=122216×(363-360)=648413-29×6=239395-284=111242+157+496=895890-31×2=828853+399=1252193-11×7=116756-(758-122)=120452-221+95=326119×(237-229)=95254-(173-135)=16152×(298-292)=912606-410+387=583295+400-335=360227+89-176=140637-(237+210)=190920-(899-453)=474731-646=85421-(75+119)=22780+12+805=897194+110+488=7922/6-1/6=1/6299+92=391808×(818-809)=7272332-93+965=1204163×2-321=5393-28×3=30992-39×2=14875+552-20=1407434-152=282741×3-817=1406371-(348-13)=3615+(379-87)=307309+(231-18)=52241×8=32872+(434-161)=345798-(800-68)=66787+330-274=843403-(600-551)=354677-(451-441)=667459-22×6=327285+189-203=271275+425=700356+23+130=509169+320-156=333398-(402-229)=225517+858+881=2256150+806-85=871509-(322+135)=52374+94-458=10484-257=227116×3=348459-407=52274+(401-385)=290666×9-25=59692/7+3/7=5/777+120×6=797435+(289-221)=503329-214+343=458103×