三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦241×3+980=448-149×2=439-(141+257)=495-433+268=380-240-61=216-44×3=717×(325-316)=4/8-2/8=54×8=215+(484-353)=37+31=934-873+896=312-165=416-12=295-202+149=709-(381+300)=253-(595-391)=209+123×5=26×(249-244)=67+170×2=179+865-852=221-156=405-184+526=24×(171-164)=41×2=484-204-257=433-(117+108)=835-(285+330)=865-106×4=758×7=278-148-16=116+346=875×9-570=74+42×5=438+165=845+364+172=117+483-483=118×2=290-233+414=943+952=455+454-189=565-444=910+538+215=420-30×8=681-71×2=944×2=619-465+575=701-446+955=27×(382-377)=85-(200-124)=142+116=203-(141-43)=6/8-1/8=420-389=749-362×2=933-(118+246)=779-89×2=53+821+113=195+839-728=491-340=99+209=45-(388-358)=860-(277+20)=126+332-111=225+261-138=959-509=127+409=817-(217+255)=616+962-519=257+176=491-305+308=950-448+340=365-108+137=1/5+2/5=515+156+140=215+23-16=181+99×8=57+253=880×4-108=946-400+175=724+716=203+889+779=129+(993-544)=174+(829-615)=465+195+129=978+(231-59)=459×2=538-(787-255)=404+(482-78)=870-22+836=189×2=491+88+295=54×(450-442)=357-(127+208)=986-(469+283)=820-(670-74)=932+(392-269)=290+136×4=919-(399+350)=985-(344+145)=536+338+740=317-(152+120)=563+110+313=174+442=202+284+87=143+297-270=288+(598-25)=937-(247+233)=755+770-922=379+49-116=898-299=125-(177-118)=475-29×4=607+594-520=420-232=211×8=203-69+227=290×2+809=18×(394-388)=358-288+329=496-(312+109)=481×6-709=483-(728-676)=41×(29-23)=655+100+918=428-(362-271)=239+(934-112)=864-603=422-(295+89)=297-46×2=935-114×7=462+(455-408)=495×2+290=376-84×4=332×8-169=833×2-741=300×2-62=155+38×3=887-41×7=439-(298-11)=876-(263+444)=236+115-94=3/7-1/7=760-172-88=434-135=962-31-281=848-91-604=201-(30+13)=970-(536-176)=308-190=902-880=154×(807-801)=923-32-371=29+(74-15)=974-128=568+263-444=380-173=133+55+28=924-102=333+565+906=298×3=70×9=907-243×2=146+178-303=167×4=403-17×7=432+366+175=258-231+511=919-10-553=893+(689-130)=162×(178-173)=263+156×2=4/8-1/8=266×2-370=982-155+926=494-446=415+79=864-11×8=146-(118-84)=205×3+435=931×(502-495)=281+177=271+82×3=257+(906-471)=3/8+4/8=844-809+897=10×8=2/8+3/8=473-341+312=264-15×6=36×6+495=987+(849-512)=503-17-324=222-43×5=186×4-275=317+108+107=475+515+723=353-(11+54)=764-(255+288)=28×(464-460)=171-(73+31)=33+278-238=126×(50-46)=807+(945-594)=455-283-128=781×6=978×8=173-99-39=743×(114-110)=275+216-256=13+130+736=11×9+534=387+(498-107)=531-390-109=583+191=974-785+23=386×(158-150)=485-(902-889)=401×2+966=438-10×2=816×6=474-75-327=72+141+510=227+53-54=89×9+596=246×6-893=174-(349-221)=467+(665-398)=969-(308+460)=480-12×2=941-25×9=165+409=408-36-277=251+226=381+415+111=361-(13+122)=297-287+239=498-439+68=46+414-13=601-(565-61)=490-449=302+163-391=316-11×3=573-220+663=661-487+784=259+(345-212)=991-593=166×3=480-(61+91)=490-130-330=4/7-2/7=430-70-242=484-276-55=187+143-60=234+203=430+970-400=988-379=799-117-493=427-(109+116)=462×2-518=476×2-435=535×7-915=286+421+176=237-166=234×4-265=120×(90-82)=310-79×2=676-219×3=159-79×2=368-277=129+295=599×(912-908)=71×5+561=437-(83+75)=481-(432+12)=851-(104+201)=318+178-267=347+(413-11)=122×3+120=80-(269-199)=227-123-75=35+341×2=195+589=719×2=339-(809-659)=75×6+346=156×(42-36)=83-(262-255)=448-325=187-(36+54)=472-40×6=104×5+152=25×(408-400)=92×(41-33)=813-156=46×3+104=142×(465-462)=306+452+568=203×(632-623)=158+(683-399)=198+196×5=373+108=237+675+82=147-(313-208)=33+(434-220)=125×4+22=221×4-836=727-(718-328)=509+934=278-(22+77)=401-(412-307)=350×2=263×3=852-789+131=534+120+426=4/7+3/7=102+17-18=852-801=256-(109+137)=202+47+72=253×8-660=241×(224-221)=725+945-878=2/7+5/7=394+(284-103)=895+695-910=820-286-158=50×7+55=448-247+239=360-177+313=143×5+151=77×(216-209)=223+246=784-551-156=264-31×2=48×2=786×3-467=222+(380-182)=633-215-151=155+(180-128)=605-(144+377)=330+18-44=295×6=461-86×5=817-154-552=741×2=89+721-715=119×4-440=342-(427-277)=30+72=756+519-22=217-188=239+(313-260)=485-391+110=305-(12+42)=444-(309+96)=355-(188+25)=56×(14-10)=211+(440-289)=202×2=917-285=143×2+301=57+321+470=421-366=171×5-136=46+128+810=540-46×6=297×(487-478)=185×2=770+768=423-(330-156)=406+(497-350)=140+428+422=866+768+24=98×2=350-140-166=456×7=933-(492-364)=379-374+267=836-801=912-20-794=449-(942-660)=181+628-763=604+795=465-42-196=404-185-72=92×9=237×(69-61)=127+(335-18)=757×2=173+107=402-12-314=414-(235+147)=734×(534-529)=955-(215+495)=297×6=754-(460-419)=930+221-257=196×7-792=669×9=480-137+127=362-98-180=54×(474-465)=340×2-514=322×(433-430)=124×(463-458)=60+15=713+706-645=534×(362-353)=101+242=564+953+561=338-(476-188)=117×7+686=302×6-571=594-280=226-(277-212)=704×(195-187)=339-11×6=245-16-52=313-35×4=342-(970-772)=356-329=2/4-1/4=338-60-165=340-242-93=721-296-174=897-343+978=13+(415-269)=85+(105-78)=29×6=423+578+784=881-(329+343)=705-334=336-156+20=28-13×2=140×5-577=935-91×5=4/6-1/6=293×2+72=39+316-294=44×7=205×6=679×6-556=260×2+526=368-219=174+223+531=463-139=480+54×6=385+46×3=208-(227-204)=333-147+594=45+(276-123)=153×6-25=673-37×6=959-401×2=75×(343-340)=384×2-362=172-(39+34)=881×7-279=498-(436-193)=225+264=252×3+967=573-(274-263)=535×(329-322)=231+462+153=433-(699-424)=651-615=201+716+17=548+174-391=409+533=76+376-79=727-(717-14)=199+160-273=351-128+212=52-(359-355)=184+221×2=12×6=293×2=381-83=291×3-33=360-249+659=598-(537-31)=191+732=422+391-721=921-325-530=44×(470-464)=141+203×3=491-31×9=560×7-907=928-481+946=407-362+324=266+610=130+(356-129)=163×3-256=124+(870-198)=53×6=56×9+404=920-(592-226)=869+799+671=779-317=92×(234-229)=725-221-168=367+463+21=512+114+20=142+447+228=362-(126+60)=829+151-231=400-160+85=86-66+277=453+930-118=90×(215-210)=104+437=393+128-135=87+(837-694)=180+921-725=3/6+2/6=639-(103+182)=631-130=54×(337-329)=182+136-211=377-215+231=173×3=505+968-250=557-62×6=435-74-195=495-64×6=72+(233-194)=667-(944-451)=206+811+378=238-(33+142)=798-(380+194)=945+209×4=652×(475-470)=118-102=304+216-35=1/7+6/7=654-(320+291)=97+421=436×(662-659)=283×2=643×2=313-261=513-(913-530)=458-98-165=427-(409+10)=758-521-82=946-314×2=311-31=347-40×4=274-59-209=770×7-857=683×9-498=401-171=94+630+80=88+358-62=207+(443-239)=478-61-190=581-78×7=77+(223-210)=449×6-443=376+41×5=182+84=436+(462-24)=906-44-503=26+(906-883)=422+(364-288)=154×6=209-26-59=987-15×5=177-105=903×6=285+900+471=355-(48+297)=184×8=360×2=131-18×7=234×(512-504)=780+(958-293)=775×8-312=469-(871-793)=67+74=116×3+461=568+888+505=434-56+60=381-(378-80)=617-550=141×4-137=197×3=5/9-2/9=29×(93-90)=2/8+5/8=106+(619-586)=199+94=777-545-188=344×3-208=835×(34-28)=316-220+793=816+(677-505)=290×(39-36)=849-524+212=192+239=751-53×9=368-(454-363)=990-(287-279)=125+82×3=48+(416-115)=467+228×2=993+(947-858)=178×(205-201)=500-(26+397)=320-(201+88)=870-(383-144)=5/7-1/7=967×(397-390)=371+(419-97)=255×2=378-305+374=401-21-23=934-51×3=606-289=168×3-302=480-(442-308)=437-83-295=3/5-1/5=62×3-100=45×(949-945)=333×4-581=173×4+631=103×(422-413)=709-675+194=924-(288+278)=784+(945-935)=810-(828-764)=700+220+211=384-246-67=2/6+3/6=371×7=286+172=237×(662-657)=664×(423-419)=338-200-44=321-76×4=101×5-279=378-72+789=384×(623-615)=22+291-88=318+69×6=171+26-71=728+21×7=426-(311+66)=830-432=734×(837-833)=333×(696-689)=241+105=845-(269+309)=118×(194-185)=128×4+479=135×7-771=858+870-746=126+36=390-83×4=230+75=243×(585-579)=808+(520-278)=770+305-409=326-126+208=419+395=470×2-451=234-24×7=966-(465+352)=263-134+270=351+298×3=263-89=488-268=739-(935-564)=235+201=427-84-137=361+482=144×3=686-163-364=76×5+260=184×(334-331)=190×5=325-(201-200)=191×4-338=486-122×3=298+169=88+225=425+(808-650)=174×3-418=87×4+210=98×7-238=398-340=598×3-344=875+574=179×7-375=276+125×7=2/8-1/8=770+299+549=344-14-297=662-(448-242)=20×7+61=126-(43+67)=446-22=3/5+2/5=519-(545-415)=360×2-521=39+(594-223)=615+513+463=983-(56+495)=790×7=474-39-316=181×5-645=364×2=810-86×7=512+123×5=397-(100+22)=699×(33-25)=90-42+272=814-194-144=363+(327-112)=34+304+340=492×2-571=44+817-540=281×3-540=565-(913-729)=444-64-264=360-111+202=351-28=118+28+38=115-(407-344)=26×(396-387)=111+367=3/8-2/8=389-33-308=155+178-48=281-52-175=175+(349-212)=407-(18+21)=264+216-192=982-(93+32)=388+100×5=279-227+74=395+(392-300)=388+(390-269)=382-191×2=848-(231+161)=639+(720-509)=489×2=44-(435-403)=379-358+67=256×2=224+278=308×2=406-38×5=460+109+409=190-147+383=833+700=171+63=396-(435-153)=867-220×3=73×3+220=365×9=203-109=218+48-36=279+79-185=68+597+85=382-(746-583)=298-94×3=945-469+654=279+60-141=393×6-811=216+13+491=53×5-219=25+(427-65)=138×2=178+33+83=415+(139-128)=579+113+141=10+905+32=742-(367+231)=410-55×5=292-41-84=145×(875-868)=487+103+198=417-292=477×4=468+181=240+208=805×5-500=231-210+245=498-429+331=259+102×6=143×6-519=245-176=98×4+205=352×7=397-(168+73)=708-90×5=456-140-211=175-10×7=811+834=590×6=274-(994-765)=163+(396-175)=69+104-98=361+915+998=353-(379-190)=652-91-324=93×3-126=864-407=438+955+337=584×5-502=737+611=276-79×2=866+264×3=928-621+119=147-(345-286)=440-334=541+(295-77)=481-218=653-113×4=253×3=786×7-29=350+930-72=362+43-360=83+238-156=535+261+135=188+439+243=46+57×7=827-705=873×4=288+40×3=89×2-67=837-562+577=322-312+480=782+(745-220)=393+400-273=244-36×3=306-(187+50)=984-790-129=86+(476-338)=250+210=988-223+671=220-(194-155)=464-350=731+185+748=388+96×9=495-223=4/7+2/7=394+84×4=446-(421-410)=567+239+117=883-48×2=173×4-408=1/4+2/4=573×9-894=499+853+529=607+843=163×(89-86)=965-74-460=37+102=224+150=516-142+868=參考答案241×3+980=1703448-149×2=150439-(141+257)=41495-433+268=330380-240-61=79216-44×3=84717×(325-316)=64534/8-2/8=2/854×8=432215+(484-353)=34637+31=68934-873+896=957312-165=147416-12=404295-202+149=242709-(381+300)=28253-(595-391)=49209+123×5=82426×(249-244)=13067+170×2=407179+865-852=192221-156=65405-184+526=74724×(171-164)=16841×2=82484-204-257=23433-(117+108)=208835-(285+330)=220865-106×4=441758×7=5306278-148-16=114116+346=462875×9-570=730574+42×5=284438+165=603845+364+172=1381117+483-483=117118×2=236290-233+414=471943+952=1895455+454-189=720565-444=121910+538+215=1663420-30×8=180681-71×2=539944×2=1888619-465+575=729701-446+955=121027×(382-377)=13585-(200-124)=9142+116=258203-(141-43)=1056/8-1/8=5/8420-389=31749-362×2=25933-(118+246)=569779-89×2=60153+821+113=987195+839-728=306491-340=15199+209=30845-(388-358)=15860-(277+20)=563126+332-111=347225+261-138=348959-509=450127+409=536817-(217+255)=345616+962-519=1059257+176=433491-305+308=494950-448+340=842365-108+137=3941/5+2/5=3/5515+156+140=811215+23-16=222181+99×8=97357+253=310880×4-108=3412946-400+175=721724+716=1440203+889+779=1871129+(993-544)=578174+(829-615)=388465+195+129=789978+(231-59)=1150459×2=918538-(787-255)=6404+(482-78)=808870-22+836=1684189×2=378491+88+295=87454×(450-442)=432357-(127+208)=22986-(469+283)=234820-(670-74)=224932+(392-269)=1055290+136×4=834919-(399+350)=170985-(344+145)=496536+338+740=1614317-(152+120)=45563+110+313=986174+442=616202+284+87=573143+297-270=170288+(598-25)=861937-(247+233)=457755+770-922=603379+49-116=312898-299=599125-(177-118)=66475-29×4=359607+594-520=681420-232=188211×8=1688203-69+227=361290×2+809=138918×(394-388)=108358-288+329=399496-(312+109)=75481×6-709=2177483-(728-676)=43141×(29-23)=246655+100+918=1673428-(362-271)=337239+(934-112)=1061864-603=261422-(295+89)=38297-46×2=205935-114×7=137462+(455-408)=509495×2+290=1280376-84×4=40332×8-169=2487833×2-741=925300×2-62=538155+38×3=269887-41×7=600439-(298-11)=152876-(263+444)=169236+115-94=2573/7-1/7=2/7760-172-88=500434-135=299962-31-281=650848-91-604=153201-(30+13)=158970-(536-176)=610308-190=118902-880=22154×(807-801)=924923-32-371=52029+(74-15)=88974-128=846568+263-444=387380-173=207133+55+28=216924-102=822333+565+906=1804298×3=89470×9=630907-243×2=421146+178-303=21167×4=668403-17×7=284432+366+175=973258-231+511=538919-10-553=356893+(689-130)=1452162×(178-173)=810263+156×2=5754/8-1/8=3/8266×2-370=162982-155+926=1753494-446=48415+79=494864-11×8=776146-(118-84)=112205×3+435=1050931×(502-495)=6517281+177=458271+82×3=517257+(906-471)=6923/8+4/8=7/8844-809+897=93210×8=802/8+3/8=5/8473-341+312=444264-15×6=17436×6+495=711987+(849-512)=1324503-17-324=162222-43×5=7186×4-275=469317+108+107=532475+515+723=1713353-(11+54)=288764-(255+288)=22128×(464-460)=112171-(73+31)=6733+278-238=73126×(50-46)=504807+(945-594)=1158455-283-128=44781×6=4686978×8=7824173-99-39=35743×(114-110)=2972275+216-256=23513+130+736=87911×9+534=633387+(498-107)=778531-390-109=32583+191=774974-785+23=212386×(158-150)=3088485-(902-889)=472401×2+966=1768438-10×2=418816×6=4896474-75-327=7272+141+510=723227+53-54=22689×9+596=1397246×6-893=583174-(349-221)=46467+(665-398)=734969-(308+460)=201480-12×2=456941-25×9=716165+409=574408-36-277=95251+226=477381+415+111=907361-(13+122)=226297-287+239=249498-439+68=12746+414-13=447601-(565-61)=97490-449=41302+163-391=74316-11×3=283573-220+663=1016661-487+784=958259+(345-212)=392991-593=398166×3=498480-(61+91)=328490-130-330=304/7-2/7=2/7430-70-242=118484-276-55=153187+143-60=270234+203=437430+970-400=1000988-379=609799-117-493=189427-(109+116)=202462×2-518=406476×2-435=517535×7-915=2830286+421+176=883237-166=71234×4-265=671120×(90-82)=960310-79×2=152676-219×3=19159-79×2=1368-277=91129+295=424599×(912-908)=239671×5+561=916437-(83+75)=279481-(432+12)=37851-(104+201)=546318+178-267=229347+(413-11)=749122×3+120=48680-(269-199)=10227-123-75=2935+341×2=717195+589=784719×2=1438339-(809-659)=18975×6+346=796156×(42-36)=93683-(262-255)=76448-325=123187-(36+54)=97472-40×6=232104×5+152=67225×(408-400)=20092×(41-33)=736813-156=65746×3+104=242142×(465-462)=426306+452+568=1326203×(632-623)=1827158+(683-399)=442198+196×5=1178373+108=481237+675+82=994147-(313-208)=4233+(434-220)=247125×4+22=522221×4-836=48727-(718-328)=337509+934=1443278-(22+77)=179401-(412-307)=296350×2=700263×3=789852-789+131=194534+120+426=10804/7+3/7=1102+17-18=101852-801=51256-(109+137)=10202+47+72=321253×8-660=1364241×(224-221)=723725+945-878=7922/7+5/7=1394+(284-103)=575895+695-910=680820-286-158=37650×7+55=405448-247+239=440360-177+313=496143×5+151=86677×(216-209)=539223+246=469784-551-156=77264-31×2=20248×2=96786×3-467=1891222+(380-182)=420633-215-151=267155+(180-128)=207605-(144+377)=84330+18-44=304295×6=1770461-86×5=31817-154-552=111741×2=148289+721-715=95119×4-440=36342-(427-277)=19230+72=102756+519-22=1253217-188=29239+(313-260)=292485-391+110=204305-(12+42)=251444-(309+96)=39355-(188+25)=14256×(14-10)=224211+(440-289)=362202×2=404917-285=632143×2+301=58757+321+470=848421-366=55171×5-136=71946+128+810=984540-46×6=264297×(487-478)=2673185×2=370770+768=1538423-(330-156)=249406+(497-350)=553140+428+422=990866+768+24=165898×2=196350-140-166=44456×7=3192933-(492-364)=805379-374+267=272836-801=35912-20-794=98449-(942-660)=167181+628-763=46604+795=1399465-42-196=227404-185-72=14792×9=828237×(69-61)=1896127+(335-18)=444757×2=1514173+107=280402-12-314=76414-(235+147)=32734×(534-529)=3670955-(215+495)=245297×6=1782754-(460-419)=713930+221-257=894196×7-792=580669×9=6021480-137+127=470362-98-180=8454×(474-465)=486340×2-514=166322×(433-430)=966124×(463-458)=62060+15=75713+706-645=774534×(362-353)=4806101+242=343564+953+561=2078338-(476-188)=50117×7+686=1505302×6-571=1241594-280=314226-(277-212)=161704×(195-187)=5632339-11×6=273245-16-52=177313-35×4=173342-(970-772)=144356-329=272/4-1/4=1/4338-60-165=113340-242-93=5721-296-174=251897-343+978=153213+(415-269)=15985+(105-78)=11229×6=174423+578+784=1785881-(329+343)=209705-334=371336-156+20=20028-13×2=2140×5-577=123935-91×5=4804/6-1/6=3/6293×2+72=65839+316-294=6144×7=308205×6=1230679×6-556=3518260×2+526=1046368-219=149174+223+531=928463-139=324480+54×6=804385+46×3=523208-(227-204)=185333-147+594=78045+(276-123)=198153×6-25=893673-37×6=451959-401×2=15775×(343-340)=225384×2-362=406172-(39+34)=99881×7-279=5888498-(436-193)=255225+264=489252×3+967=1723573-(274-263)=562535×(329-322)=3745231+462+153=846433-(699-424)=158651-615=36201+716+17=934548+174-391=331409+533=94276+376-79=373727-(717-14)=24199+160-273=86351-128+212=43552-(359-355)=48184+221×2=62612×6=72293×2=586381-83=298291×3-33=840360-249+659=770598-(537-31)=92191+732=923422+391-721=92921-325-530=6644×(470-464)=264141+203×3=750491-31×9=212560×7-907=3013928-481+946=1393407-362+324=369266+610=876130+(356-129)=357163×3-256=233124+(870-198)=79653×6=31856×9+404=908920-(592-226)=554869+799+671=2339779-317=46292×(234-229)=460725-221-168=336367+463+21=851512+114+20=646142+447+228=817362-(126+60)=176829+151-231=749400-160+85=32586-66+277=297453+930-118=126590×(215-210)=450104+437=541393+128-135=38687+(837-694)=230180+921-725=3763/6+2/6=5/6639-(103+182)=354631-130=50154×(337-329)=432182+136-211=107377-215+231=393173×3=519505+968-250=1223557-62×6=185435-74-195=166495-64×6=11172+(233-194)=111667-(944-451)=174206+811+378=1395238-(33+142)=63798-(380+194)=224945+209×4=1781652×(475-470)=3260118-102=16304+216-35=4851/7+6/7=1654-(320+291)=4397+421=518436×(662-659)=1308283×2=566643×2=1286313-261=52513-(913-530)=130458-98-165=195427-(409+10)=8758-521-82=155946-314×2=318311-31=280347-40×4=187274-59-209=6770×7-857=4533683×9-498=5649401-171=23094+630+80=80488+358-62=384207+(443-239)=411478-61-190=227581-78×7=3577+(223-210)=90449×6-443=2251376+41×5=581182+84=266436+(462-24)=874906-44-503=35926+(906-883)=49422+(364-288)=498154×6=924209-26-59=124987-15×5=912177-105=72903×6=5418285+900+471=1656355-(48+297)=10184×8=1472360×2=720131-18×7=5234×(512-504)=1872780+(958-293)=1445775×8-312=5888469-(871-793)=39167+74=141116×3+461=809568+888+505=1961434-56+60=438381-(378-80)=83617-550=67141×4-137=427197×3=5915/9-2/9=3/929×(93-90)=872/8+5/8=7/8106+(619-586)=139199+94=293777-545-188=44344×3-208=824835×(34-28)=5010316-220+793=889816+(677-505)=988290×(39-36)=870849-524+212=537192+239=431751-53×9=274368-(454-363)=277990-(287-279)=982125+82×3=37148+(416-115)=349467+228×2=923993+(947-858)=1082178×(205-201)=712500-(26+397)=77320-(201+88)=31870-(383-144)=6315/7-1/7=4/7967×(397-390)=6769371+(419-97)=693255×2=510378-305+374=447401-21-23=357934-51×3=781606-289=317168×3-302=202480-(442-308)=346437-83-295=593/5-1/5=2/562×3-100=8645×(949-945)=180333×4-581=751173×4+631=1323103×(422-413)=927709-675+194=228924-(288+278)=358784+(945-935)=794810-(828-764)=746700+220+211=1131384-246-67=712/6+3/6=5/6371×7=2597286+172=458237×(662-657)=1185664×(423-419)=2656338-200-44=94321-76×4=17101×5-279=226378-72+789=1095384×(623-615)=307222+291-88=225318+69×6=732171+26-71=126728+21×7=875426-(311+66)=49830-432=398734×(837-833)=2936333×(696-689)=2331241+105=346845-(269+309)=267118×(194-185)=1062128×4+479=991135×7-771=174858+870-746=982126+36=162390-83×4=58230+75=305243×(585-579)=1458808+(520-278)=1050770+305-409=666326-126+208=408419+395=814470×2-451=489234-24×7=66966-(465+352)=149263-134+270=399351+298×3=1245263-89=174488-268=220739-(935-564)=368235+201=436427-84-137=206361+482=843144×3=432686-163-364=15976×5+260=640184×(334-331)=552190×5=950325-(201-200)=324191×4-338=426486-122×3=120298+169=46788+225=313425+(808-650)=583174×3-418=10487×4+210=55898×7-238=448398-340=58598×3-344=1450875+574=1449179×7-375=878276+125×7=11512/8-1/8=1/8770+299+549=1618344-14-297=33662-(448-242)=45620×7+61=201126-(43+67)=16446-22=4243/5+2/5=1519-(545-415)=389360×2-521=19939+(594-223)=410615+51