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246×4=784-117+133=990-832+223=417-59=58+(296-194)=638-146+733=580×(642-636)=299-124=447×2-148=584-292=597-362=945-(51+794)=25+12×7=115+46=299+401-257=920+90×7=94+444-85=417-(416-316)=3/8+2/8=4/8-2/8=169+180+13=805×4-626=400-141-105=230-(136+47)=242+61=388-34-110=517+95+530=778+228+639=697+84+34=777×3-94=646-(605-167)=236×(320-317)=254×(142-135)=440×4-542=871-424=828+858+625=430-14×3=957-(68+631)=472-314=417×2+32=742+171-526=542×9-315=278-38×7=166×4-106=315+357=207-93+352=826-(750-517)=6/8-2/8=346+46+343=364-(268+83)=478-360-70=221+193=89+(237-100)=141-96=93-23+101=63+181=898+(693-260)=528-370=824-(136+182)=154+276=169×2-252=881-86×7=315-152×2=61×(408-401)=928+(483-249)=55+153=416×(232-225)=18+266-184=200-63+275=96+214×2=399-149-213=355×8-496=179+144=303+123+483=363-66×5=917-474-239=333-175-92=142-(352-256)=776+(354-298)=72×(119-116)=671+(872-580)=222+(289-214)=469-126-220=33+299+776=79+56=247+93=313+34-295=339-177=335-259+22=258-(209-49)=95-50+435=713-403-26=425-31-234=331×(969-963)=202+631+566=48×3+808=906-647+409=746-417=403×2=631×(634-626)=286+70×6=125×(358-351)=324+167=968+348=486-219-127=455-297=39×4+151=459-(95+199)=835-518=201-26×5=561×8=391+708+134=347-91-239=6/10+4/10=262×2=532-(491-470)=277+465+233=396+(168-85)=315+145-33=265×2=70×(530-524)=489-(24-15)=373+286=143+(125-18)=830-(812-236)=823-218-426=96+392+585=414×2=274-(85+14)=281+711=407-224+474=240+91=435×7-464=928-105×8=773-715+311=427-(12+209)=207×3-447=554×(26-20)=338-(283-252)=341-25×5=306+288×2=298-(388-229)=418×3-903=5/7+2/7=442-(305-178)=108×(241-237)=857+428+783=273+118-280=440-130-101=404+619-645=631-496+138=236×2=572-461=80×9=333-11×6=491-58×7=309-97-35=72×7-159=56×2=168-28+167=499+794+574=53+198=229+219-348=481+462=21+(176-85)=168-77+318=899-(208+443)=957-(271+134)=46+(170-107)=550+64+37=248+(471-31)=694-(127+547)=385×(60-53)=232×3+840=959-505-290=465+(328-198)=440-(87+200)=820-616+178=36+61-69=158×6+140=956-288×3=432+(866-295)=83+240+343=358+(418-122)=480-(249-156)=211-30+174=106×6+276=138-61×2=626+369+228=229×5-129=198+135=35+396-99=460-387=262+(114-105)=505-(641-571)=663-324+310=819+103-673=907×2=373-205=592-494=424-48+526=886-316×2=394-273=281-183+688=141-22+48=220-42×5=75×5=30+957-800=272-96-158=893+759+681=741+871-767=299-25×2=260+409-451=833+122×5=471-301+171=503+(173-166)=903+634=351-(426-102)=987+(965-827)=424-154-236=384+289-340=361+797+118=541+21-164=100×9-37=444-(174+34)=692-(683-177)=209+165×3=835-79-335=284-(77+57)=45×9+338=492-(96+378)=827-(94+185)=922-(203+174)=373-66-243=365+165=624+(551-30)=481-(298-135)=659-(459+46)=349+51-222=420-298-73=169+808+402=401+95-256=464-(151+68)=677-(414-336)=400-152-94=90×4=154-45+84=569×5=620×(901-892)=36×2+321=276+178=477-114×4=906-616+138=45+(478-120)=140×2=768-92+16=978-35×4=64+240=409+(470-336)=53+215×4=642-(137-54)=767+(297-69)=172-(68+38)=334-73=51×3=323+10×4=122×3-169=119×(294-289)=948-(167+164)=348-68-128=395-69=207+(463-450)=433+192+367=418-60×5=269×2+317=482-18×2=483-226-183=408+579=340×6=895-133+598=409×6-481=637+292+71=634×9-918=2/8+5/8=412-30×3=229+220-107=130+251+951=265+(370-224)=40+28-57=902-19×2=3/4-1/4=224-180+384=422-148-90=505-258=599+369-741=635×3=732-106×2=638-388=57+27=160+307-151=879-238×2=435+878=387+76=613×8=338-309+355=306×2-257=168×(979-972)=73+190-130=736×(527-519)=439-43-310=34×(193-187)=679×9-658=324×3=147+220=937+174=360+(452-342)=372+96=102×8-700=974-403-356=456×(391-385)=171×4+273=176×3=302×2+260=361-32×3=119×(145-139)=609-309+128=110×6-178=366+146+271=433-(220+29)=455+374=107×7-422=699-412=631-315-94=334+36×2=362-36×4=498-389-100=196-51-63=885-(14+191)=387-214+306=441-326+219=7/8-1/8=748+464-192=603-316=420-274+654=115+295×3=171+110-20=369+63×6=435+118×2=680×(661-657)=354+716-383=964×(402-393)=669-78=337-(440-305)=472-(375+97)=174+49×4=166×(223-219)=159-17+38=11×5+146=421-(20+138)=688+790=663+24+58=864-15×4=990-495=366-25×6=601+154-464=499+(316-166)=315-51=500-146-196=182×(543-534)=895+53+553=995-(176+434)=686-(613+41)=157-(295-231)=553×(827-824)=810+566+919=815×6=407+79-292=939-604-173=232-(277-180)=153+115-172=587-520+172=456-282+264=2/8+3/8=128×(287-283)=796+(763-407)=460-(279+22)=375+(309-27)=779+17-399=696×3=819×4=706-52-491=330-(389-360)=479+267=775-(236+210)=408×2=50×8-179=333-(47+33)=559×9-468=294-(432-271)=288×2-103=461-330+73=342-249=68+238-37=344+121=402+98×7=75×9=223-27×7=192+(664-520)=72+253=724-(491+58)=276×2-511=38+(260-43)=978+567=100+363=113+86=163×4+258=273+50×4=13+445+351=179×5-146=3/6-2/6=44×3=951-111+179=345+431+244=15+11=756-(271-241)=815-355-424=489-445-21=496-374+163=983-128-525=100+317-299=634-252+521=113-22×5=933-775+42=853+829-632=446-29+267=456+(117-91)=107×7+160=5/9+2/9=355-281+258=832+236×3=822+235+925=4/8-3/8=879-219=414×8-976=155+26+493=498-31-34=85×8+231=124-(189-162)=378×4-467=910-50-97=648+(913-663)=397×4-839=749-159-436=313-259=811+150-71=230+210+205=529×3=429-(245-240)=371-(105+201)=772-(762-137)=923-733=224-(114-45)=237+957-222=164+165-107=310-157+68=420-(139+33)=299+(755-418)=873-111-406=614×(390-382)=989-85-397=153×(23-17)=271+48×3=758+277=331-178=67+(227-143)=114×2+193=483-205-264=76+245+319=523-206×2=876+945=136×3+37=558+867-884=894+81-191=279×9=223-175+91=68×(111-105)=435-194-26=352-120×2=947-(249+107)=97×5+613=89+123+429=67+213+427=70+307=972-(388+14)=98-64+182=75×(447-440)=767-87=90×(440-437)=960-(356+568)=100×7-217=315-(17+196)=107×2=485-(34+294)=438-56×4=948-(898-863)=714+129×4=437-47-197=419-103+167=880-105+296=922-237=6/9-3/9=426-20×3=638-169-16=176+104=662+814=405-167×2=259×6-550=319+(993-320)=443-307-110=75+(409-338)=305-13×8=220×4-393=116×(337-333)=577-94×3=235×(244-241)=2/3-1/3=837-46×7=287+(305-159)=562-(819-652)=441-(241-74)=102×(286-280)=400-51×7=104×8-85=393-(584-396)=114+675+157=237+395+62=121×(457-451)=672-245=138+285=708-23×6=262-48=12×7=236-122-71=14×4=234-46×4=64×8-507=83×7-196=86+75=433-293=926×(971-963)=890+(526-430)=597-71=815-(798-258)=51×7-123=34+82=258-(97+80)=45×(144-140)=910-(852-548)=706+(990-505)=361+406=835-363=698-(240+381)=763+833-292=973×3=936-(389+283)=394-164×2=2/5-1/5=71-(77-58)=610+(895-249)=335-(578-435)=168×5-138=565-(770-258)=970+(324-241)=488-157=724-362-100=88×9=51×8=860+246×3=826-548+596=229+247-321=287+48×8=528+(849-335)=622+209+99=686-(738-365)=616×(753-746)=107×5+744=876+(301-230)=667×9=57×4=960-(101+551)=939-836+290=607-(959-365)=620×3=343+(335-291)=70+105=121-(61-51)=556-67×2=828-144×2=64×7+279=354+183×3=751-(542-511)=76+165×6=32+228+404=380×2-273=417×4-847=349-189=153×5=792+599-707=121-10×3=842+534-992=382×5-891=900-(324-33)=471×2-515=818+237+316=743×8-807=17×(30-21)=230-122=862-68×9=96×7=199×(222-217)=464-(250+10)=3/9+6/9=804-143×5=121×(172-167)=16×9+99=364+115=923-(641+224)=245-(19-17)=420×6-603=247+212-451=276×(911-908)=291+89=453-358-71=175+182+512=658-299-295=27+34×4=119×(496-493)=322×3-800=50+244+429=602+74+77=434-(135+223)=121×7-342=242×4=760+240+138=366-(315-36)=96-13×6=27+180-189=400+(869-81)=839+95-541=718-49-448=588×(20-15)=296-34=185+55=672+130×5=230-25=468-174-50=364-113×2=565×2=5/8-2/8=190×(594-588)=368×2=355×5-328=380+(444-33)=1/5+3/5=15×9+990=80×8-160=450-435+249=447-(37+285)=435-(277+133)=154-(258-244)=391+37-168=108-(336-303)=846+798-840=610+(370-19)=241×(220-216)=153+261=306-200+205=161+691-656=487-39-304=473-(327-224)=52×4=95+219-88=384-56=484-(189+14)=862-558+454=774-219-283=253+23+686=869-641-216=143×(858-849)=482+220+278=249-(125+32)=16+456-44=299×(255-252)=996-(526+303)=481-(139-76)=70-(183-172)=981+306+41=25×5+933=304+400+130=29×2=637×(523-514)=455-115=487-(438-368)=20+(462-352)=965-73-849=852×5-843=963+800+148=735+631+581=420-220+196=58×6=205+(371-268)=346-(395-64)=972-112×4=534×2=156+112+586=1/6+4/6=473-352=249×(385-381)=48×6-98=754-(827-299)=53×6-10=14+529+155=56-(363-346)=259+(675-118)=434-300=64×2+32=363-(272-189)=156+75+723=292×2=22×3=12+134×7=211+112-168=410+(329-291)=410-119=961-150=394-242+219=916+16×9=423×7=999-103=107+258+749=222+(252-32)=229×2=165×5-434=892-(150+590)=354-16×5=493-(481-398)=973-205×3=2/4-1/4=471×2=454-75-78=513-435=670×(718-714)=436-37×7=470-457=339-32×3=165×(48-43)=270+(233-70)=364-95×2=317+(288-187)=67+263+623=324×2+680=271+(429-352)=484-105-379=476×6-753=149-(599-461)=485-414=41×8+394=54×3+274=600-112=124+(459-127)=176+(274-40)=105×3=477×2=808×3=78×9+24=326+161-260=323-(21+211)=952-(70-64)=848+(812-292)=313×4-556=435×4=311-172=287+149-164=484-(38+137)=361+290=982-168+624=205-35+597=372+834=27+(355-191)=664+430=895-(173+158)=384-33×6=663-177×2=281-215+218=221-207+232=242×(257-250)=477-(149-43)=666+423-619=794-(384-46)=513-29-86=338-62-80=400-99×3=334+56-160=318×3=437-(269-43)=73×4-23=484-399=692×8=395-(159+110)=819+808+410=57×5+64=5/7-1/7=881×9-931=330+711-592=98+232-153=248+88×6=442×9=959-397+869=3/6+2/6=76×(469-460)=983+137+415=261×3-298=526-58=8/10+2/10=891×5=317-40=293+50=101×7+571=845+724-285=669×3-593=569+(398-360)=941+255+194=582-267=112×(398-393)=332×4-12=139×(704-698)=213+717=29+254+538=147×(36-29)=998+436+423=342+153-131=302+456=786-661+615=527-(315+206)=379-184×2=637+216=478-(63+21)=160-20×5=81×(337-330)=185+204×2=493×2=336×(314-311)=80×8-184=517-(22+384)=310+48×4=144×(322-318)=818-135×4=185+171=477-69=982-(121+348)=735-271-358=1/6+2/6=328-324+165=428-(141+227)=参考答案246×4=984784-117+133=800990-832+223=381417-59=35858+(296-194)=160638-146+733=1225580×(642-636)=3480299-124=175447×2-148=746584-292=292597-362=235945-(51+794)=10025+12×7=109115+46=161299+401-257=443920+90×7=155094+444-85=453417-(416-316)=3173/8+2/8=5/84/8-2/8=2/8169+180+13=362805×4-626=2594400-141-105=154230-(136+47)=47242+61=303388-34-110=244517+95+530=1142778+228+639=1645697+84+34=815777×3-94=2237646-(605-167)=208236×(320-317)=708254×(142-135)=1778440×4-542=1218871-424=447828+858+625=2311430-14×3=388957-(68+631)=258472-314=158417×2+32=866742+171-526=387542×9-315=4563278-38×7=12166×4-106=558315+357=672207-93+352=466826-(750-517)=5936/8-2/8=4/8346+46+343=735364-(268+83)=13478-360-70=48221+193=41489+(237-100)=226141-96=4593-23+101=17163+181=244898+(693-260)=1331528-370=158824-(136+182)=506154+276=430169×2-252=86881-86×7=279315-152×2=1161×(408-401)=427928+(483-249)=116255+153=208416×(232-225)=291218+266-184=100200-63+275=41296+214×2=524399-149-213=37355×8-496=2344179+144=323303+123+483=909363-66×5=33917-474-239=204333-175-92=66142-(352-256)=46776+(354-298)=83272×(119-116)=216671+(872-580)=963222+(289-214)=297469-126-220=12333+299+776=110879+56=135247+93=340313+34-295=52339-177=162335-259+22=98258-(209-49)=9895-50+435=480713-403-26=284425-31-234=160331×(969-963)=1986202+631+566=139948×3+808=952906-647+409=668746-417=329403×2=806631×(634-626)=5048286+70×6=706125×(358-351)=875324+167=491968+348=1316486-219-127=140455-297=15839×4+151=307459-(95+199)=165835-518=317201-26×5=71561×8=4488391+708+134=1233347-91-239=176/10+4/10=1262×2=524532-(491-470)=511277+465+233=975396+(168-85)=479315+145-33=427265×2=53070×(530-524)=420489-(24-15)=480373+286=659143+(125-18)=250830-(812-236)=254823-218-426=17996+392+585=1073414×2=828274-(85+14)=175281+711=992407-224+474=657240+91=331435×7-464=2581928-105×8=88773-715+311=369427-(12+209)=206207×3-447=174554×(26-20)=3324338-(283-252)=307341-25×5=216306+288×2=882298-(388-229)=139418×3-903=3515/7+2/7=1442-(305-178)=315108×(241-237)=432857+428+783=2068273+118-280=111440-130-101=209404+619-645=378631-496+138=273236×2=472572-461=11180×9=720333-11×6=267491-58×7=85309-97-35=17772×7-159=34556×2=112168-28+167=307499+794+574=186753+198=251229+219-348=100481+462=94321+(176-85)=112168-77+318=409899-(208+443)=248957-(271+134)=55246+(170-107)=109550+64+37=651248+(471-31)=688694-(127+547)=20385×(60-53)=2695232×3+840=1536959-505-290=164465+(328-198)=595440-(87+200)=153820-616+178=38236+61-69=28158×6+140=1088956-288×3=92432+(866-295)=100383+240+343=666358+(418-122)=654480-(249-156)=387211-30+174=355106×6+276=912138-61×2=16626+369+228=1223229×5-129=1016198+135=33335+396-99=332460-387=73262+(114-105)=271505-(641-571)=435663-324+310=649819+103-673=249907×2=1814373-205=168592-494=98424-48+526=902886-316×2=254394-273=121281-183+688=786141-22+48=167220-42×5=1075×5=37530+957-800=187272-96-158=18893+759+681=2333741+871-767=845299-25×2=249260+409-451=218833+122×5=1443471-301+171=341503+(173-166)=510903+634=1537351-(426-102)=27987+(965-827)=1125424-154-236=34384+289-340=333361+797+118=1276541+21-164=398100×9-37=863444-(174+34)=236692-(683-177)=186209+165×3=704835-79-335=421284-(77+57)=15045×9+338=743492-(96+378)=18827-(94+185)=548922-(203+174)=545373-66-243=64365+165=530624+(551-30)=1145481-(298-135)=318659-(459+46)=154349+51-222=178420-298-73=49169+808+402=1379401+95-256=240464-(151+68)=245677-(414-336)=599400-152-94=15490×4=360154-45+84=193569×5=2845620×(901-892)=558036×2+321=393276+178=454477-114×4=21906-616+138=42845+(478-120)=403140×2=280768-92+16=692978-35×4=83864+240=304409+(470-336)=54353+215×4=913642-(137-54)=559767+(297-69)=995172-(68+38)=66334-73=26151×3=153323+10×4=363122×3-169=197119×(294-289)=595948-(167+164)=617348-68-128=152395-69=326207+(463-450)=220433+192+367=992418-60×5=118269×2+317=855482-18×2=446483-226-183=74408+579=987340×6=2040895-133+598=1360409×6-481=1973637+292+71=1000634×9-918=47882/8+5/8=7/8412-30×3=322229+220-107=342130+251+951=1332265+(370-224)=41140+28-57=11902-19×2=8643/4-1/4=2/4224-180+384=428422-148-90=184505-258=247599+369-741=227635×3=1905732-106×2=520638-388=25057+27=84160+307-151=316879-238×2=403435+878=1313387+76=463613×8=4904338-309+355=384306×2-257=355168×(979-972)=117673+190-130=133736×(527-519)=5888439-43-310=8634×(193-187)=204679×9-658=5453324×3=972147+220=367937+174=1111360+(452-342)=470372+96=468102×8-700=116974-403-356=215456×(391-385)=2736171×4+273=957176×3=528302×2+260=864361-32×3=265119×(145-139)=714609-309+128=428110×6-178=482366+146+271=783433-(220+29)=184455+374=829107×7-422=327699-412=287631-315-94=222334+36×2=406362-36×4=218498-389-100=9196-51-63=82885-(14+191)=680387-214+306=479441-326+219=3347/8-1/8=6/8748+464-192=1020603-316=287420-274+654=800115+295×3=1000171+110-20=261369+63×6=747435+118×2=671680×(661-657)=2720354+716-383=687964×(402-393)=8676669-78=591337-(440-305)=202472-(375+97)=0174+49×4=370166×(223-219)=664159-17+38=18011×5+146=201421-(20+138)=263688+790=1478663+24+58=745864-15×4=804990-495=495366-25×6=216601+154-464=291499+(316-166)=649315-51=264500-146-196=158182×(543-534)=1638895+53+553=1501995-(176+434)=385686-(613+41)=32157-(295-231)=93553×(827-824)=1659810+566+919=2295815×6=4890407+79-292=194939-604-173=162232-(277-180)=135153+115-172=96587-520+172=239456-282+264=4382/8+3/8=5/8128×(287-283)=512796+(763-407)=1152460-(279+22)=159375+(309-27)=657779+17-399=397696×3=2088819×4=3276706-52-491=163330-(389-360)=301479+267=746775-(236+210)=329408×2=81650×8-179=221333-(47+33)=253559×9-468=4563294-(432-271)=133288×2-103=473461-330+73=204342-249=9368+238-37=269344+121=465402+98×7=108875×9=675223-27×7=34192+(664-520)=33672+253=325724-(491+58)=175276×2-511=4138+(260-43)=255978+567=1545100+363=463113+86=199163×4+258=910273+50×4=47313+445+351=809179×5-146=7493/6-2/6=1/644×3=132951-111+179=1019345+431+244=102015+11=26756-(271-241)=726815-355-424=36489-445-21=23496-374+163=285983-128-525=330100+317-299=118634-252+521=903113-22×5=3933-775+42=200853+829-632=1050446-29+267=684456+(117-91)=482107×7+160=9095/9+2/9=7/9355-281+258=332832+236×3=1540822+235+925=19824/8-3/8=1/8879-219=660414×8-976=2336155+26+493=674498-31-34=43385×8+231=911124-(189-162)=97378×4-467=1045910-50-97=763648+(913-663)=898397×4-839=749749-159-436=154313-259=54811+150-71=890230+210+205=645529×3=1587429-(245-240)=424371-(105+201)=65772-(762-137)=147923-733=190224-(114-45)=155237+957-222=972164+165-107=222310-157+68=221420-(139+33)=248299+(755-418)=636873-111-406=356614×(390-382)=4912989-85-397=507153×(23-17)=918271+48×3=415758+277=1035331-178=15367+(227-143)=151114×2+193=421483-205-264=1476+245+319=640523-206×2=111876+945=1821136×3+37=445558+867-884=541894+81-191=784279×9=2511223-175+91=13968×(111-105)=408435-194-26=215352-120×2=112947-(249+107)=59197×5+613=109889+123+429=64167+213+427=70770+307=377972-(388+14)=57098-64+182=21675×(447-440)=525767-87=68090×(440-437)=270960-(356+568)=36100×7-217=483315-(17+196)=102107×2=214485-(34+294)=157438-56×4=214948-(898-863)=913714+129×4=1230437-47-197=193419-103+167=483880-105+296=1071922-237=6856/9-3/9=3/9426-20×3=366638-169-16=453176+104=280662+814=1476405-167×2=71259×6-550=1004319+(993-320)=992443-307-110=2675+(409-338)=146305-13×8=201220×4-393=487116×(337-333)=464577-94×3=295235×(244-241)=7052/3-1/3=1/3837-46×7=515287+(305-159)=433562-(819-652)=395441-(241-74)=274102×(286-280)=612400-51×7=43104×8-85=747393-(584-396)=205114+675+157=946237+395+62=694121×(457-451)=726672-245=427138+285=423708-23×6=570262-48=21412×7=84236-122-71=4314×4=56234-46×4=5064×8-507=583×7-196=38586+75=161433-293=140926×(971-963)=7408890+(526-430)=986597-71=526815-(798-258)=27551×7-123=23434+82=116258-(97+80)=8145×(144-140)=180910-(852-548)=606706+(990-505)=1191361+406=767835-363=472698-(240+381)=77763+833-292=1304973×3=2919936-(389+283)=264394-164×2=662/5-1/5=1/571-(77-58)=52610+(895-249)=1256335-(578-435)=192168×5-138=702565-(770-258)=53970+(324-241)=1053488-157=331724-362-100=26288×9=79251×8=408860+246×3=1598826-548+596=874229+247-321=155287+48×8=671528+(849-335)=1042622+209+99=930686-(738-365)=313616×(753-746)=4312107×5+744=1279876+(301-230)=947667×9=600357×4=228960-(101+551)=308939-836+290=393607-(959-365)=13620×3=1860343+(335-291)=38770+105=175121-(61-51)=111556-67×2=422828-144×2=54064×7+279=727354+183×3=903751-(542-511)=72076+165×6=106632+228+404=664380×2-273=487417×4-847=821349-189=160153×5=765792+599-707=684121-10×3=91842+534-992=384382×5-891=1019900-(324-33)=609471×2-515=427818+237+316=1371743×8-807=513717×(30-21)=153230-122=108862-68×9=25096×7=672199×(222-217)=995464-(250+10)=2043/9+6/9=1804-143×5=89121×(172-167)=60516×9+99=243364+115=479923-(641+224)=58245-(19-17)=243420×6-603=1917247+212-451=8276×(911-908)=828291+89=380453-358-71=24175+182+512=869658-299-295=6427+34×4=163119×(496-493)=357322×3-800=16650+244+429=723602+74+77=753434-(135+223)=76121×7-342=505242×4=968760+240+138=1138366-(315-36)=8796-13×6=1827+180-189=18400+(869-81)=1188839+95-541=393718-49-448=221588×(20-15)=2940296-34=262185+55=240672+130×5=1322230-25=205468-174-50=244364-113×2=138565×2=11305/8-2/8=3/8190×(594-588)=1140368×2=736355×5-328=1447380+(444-33)=7911/5+3/5=4/515×9+990=112580×8-160=480450-435+249=264447-(37+285)=125435-(277+133)=25154-(258-244)=140391+37-168=260108-(336-303)=75846+798-840=804610+(370-19)=961241×(220-216)=964153+261=414306-200+205=311161+691-656=196487-39-304=144473-(327-224)=37052×4=20895+219-88=226384-56=328484-(189+14)=281862-558+454=758774-219-283=272253+23+686=962869-641-216=12143×(858-849)=1287482+220+278=980249-(125+32)=9216+456-44=428299×(255-252)=897996-(526+303)=167481-(139-76)=41870-(183-172)=59981+306+41=132825×5+933=1058304+400+130=83429×2=58637×(523-514)=5733455-115=340487-(438-368)=41720+(462-352)=130965-73-849=43852×5-843=3417963+800+148=1911735+631+581