三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦643-128=475+755-53=191×5-75=871-533-217=233-51×3=32×(226-219)=194+91-167=532-374+146=331+408=458-(229+97)=31×3=614×4-249=120+136×5=220+564+204=814×9-323=242-113=422-223+79=770-(151+225)=825-(218+319)=65×7-112=112+121=187-19-54=595+801+539=109-71+156=460-106=630-252+919=695+262-733=416+(199-33)=870-(821-202)=946+(917-631)=310-274=693-203+569=275×(998-994)=560+(615-449)=400-(473-105)=30+105-27=4/6+2/6=779-440-223=386+(276-26)=610-31-554=402-222=368-170=484×3-107=134+217+159=1/7+2/7=621×5-220=996+265×2=410-42×8=67×6+919=189×9=423+895-896=594-39×3=196×(359-355)=227+248=270×(345-342)=2/8+3/8=15×(406-398)=133×(129-125)=299-(86-68)=409-75+121=442-(266+120)=984-165+230=113-(187-134)=98-80=683+(861-502)=174+312=200+125=333+329×2=132×4+171=821-124×2=42-30=23+76+870=672+167×5=192×(295-290)=753-(882-704)=269×3+139=665×(370-366)=177-52=442-145-59=680+887-599=49×(44-41)=83×(205-198)=955-(111+601)=282×2-389=366+57+32=113×8=21×(422-418)=494-33=475-217=670-(898-271)=602-268-150=369+(169-138)=903-(165+404)=183-83=819-162×5=677+426+53=173+184=453-23×4=499-56=870+(969-599)=293-132×2=49+32=219-34-20=527-(81+177)=158-28+262=419+(273-153)=181×4-425=690×5-574=38×7-260=81+97+376=411+417+458=3/7+4/7=675+(494-314)=247×4=879-215=684-22=434-269-153=300-158+542=746-404+987=246×4-416=53+257-136=348-89-19=25×3=98×(864-855)=277-(238-151)=89+(675-483)=425-(60+79)=287×7-400=385+976=170-43=60+27×3=368-(70+158)=527+310-772=128-58+837=313×3-181=886+(376-255)=71×6+41=82+236-81=90-38+76=30+314+598=670-293=793-420+861=3/7-1/7=116+622+44=609-69×8=82+372-94=343×5=562-240=290-(375-273)=347-(231+54)=37×5=513+325+977=400×8-114=100+(632-10)=82×4=813-(63+481)=22+343+135=42×(314-310)=245+146×2=431-(264+154)=831-(426+270)=259-31+629=199-(68+93)=815+(905-51)=594+(374-368)=190-(497-487)=747-(268+108)=801-(227+452)=448×2+73=446-(379-70)=360-(278-127)=73+375-245=3/5-2/5=437-(19+205)=146×2-110=358+(902-392)=433-339=779-16-451=228+169+445=16×7=413-79×3=195+223-305=164×5-325=125×(284-281)=908+577-565=953-158×6=429+(466-346)=338-(82+210)=500-249-152=378+171=860-729=560-524+811=261-53+261=459-(311+120)=297+61=458-370-66=185+15×9=398-28×5=352-106+38=776×(403-395)=497-179-185=4/8+2/8=96-(576-517)=265+983-615=4/7-2/7=546-(246+241)=198+456=987+(732-627)=375-108=661×6-696=145+178=78+(549-22)=404-364+440=28+20+742=231+(498-493)=379×7-302=733+476+312=409-270+148=309×3=602×7-698=13×6-42=371+192=3/4-1/4=856-700=255×(683-674)=247+(354-214)=343-(153+150)=774×(350-344)=90+220=203×2-112=482-187×2=492-346=871-(433-255)=96+(424-60)=157×6-722=71×(213-205)=95×(444-436)=983-534=98-54+360=598×(293-290)=754-676=778+504-191=314-(179+16)=291-244+86=130+31-111=260×8=529+522+614=265×2=135×4-351=380×5-238=289+411+270=880+430-871=277-31×3=365-52-188=5/7+2/7=3/6-2/6=156+(143-10)=496-109-219=798-(479+304)=406-155+80=91+408=969+717-343=394-106=499-105=289-104+250=614-163×3=712-(920-713)=367-(603-250)=426+804-654=5/8+2/8=901-779=354-19×9=614-233+869=476-15×5=343+125-316=978×8=111×3+185=295-252=869-87=590+193+96=139×(365-362)=171×3-433=394×2-498=22×7+444=954+660+893=28+80×5=370-(31+28)=62×(267-261)=308×3-749=499+(652-108)=241×3=192-87×2=78+194=130×(129-122)=901-187×4=372+60+99=49+218×4=105×(418-411)=18+98=933-(660+157)=780-(211-155)=167+279=208+(148-77)=548+143=159×3+123=701-227-467=727+(804-74)=905+(516-343)=483-99×4=467-(312-101)=2/5-1/5=439-30×4=260×2+318=819×5-96=239-101-99=749×8-259=114×3=115+338-82=187+624+97=445×2+826=61×6+81=834×(603-596)=282+369=740×8-754=727+(731-699)=776-775+864=154×5=41×4=463×2-492=121×(459-451)=246-48-103=122×6=194×7=638-395+643=654-60-279=525+223-96=3/5-1/5=267+97-46=739×4=301-176=344+651+348=214+(367-267)=277+126=324-41+20=475-421+316=620+140+130=692×8=270-38×6=637-345=437-(328-174)=349-(69+160)=295-19×5=83+(480-460)=451-349+78=984-(458+355)=483-(461-123)=63×2+221=304×3=363-18×2=614+(804-562)=281×(72-69)=264+414=60×9=760+21×4=56×(145-137)=730-604=979-50-134=125+265+948=393×2-673=389-(123+238)=73+379=466×3=12+336+306=45×7+330=39+127+19=175+33=681×6-425=351-129=232+576+13=947+(762-474)=95+566+574=965-136=201+134=331+61×3=767-(833-690)=866+737-684=970×3=395+118×5=297-91-156=102×4+53=29×5-56=464-107-72=89-23×2=294+(569-443)=341+982+424=592+397-871=287+210=270×3=300-47=381+200+417=64×(542-538)=891+(803-106)=136+83=31×2+309=888-121-551=265-25×2=456-97-339=110×3=441+430-37=500-95×2=968-141×5=79+355=758-(546-123)=607×6-678=1/9+8/9=92×5=305-212+174=246×4-256=379-26-181=672-20×9=697×(321-312)=471×7-673=40×7+774=68+59×4=314-190+113=239-81-27=951-215×3=785-125-68=948-(828-39)=852×(312-303)=494-(402-196)=360+118=20+(279-178)=390-50×6=703×3-829=66+(495-471)=998-290+614=70+135=89+56=976+(775-302)=15+221+90=322+561+761=666-17×5=845-727=902-399+948=892+570=1/5+3/5=75×(664-658)=62×6-298=18×(549-542)=848×(806-801)=118×5=517-(108+228)=90×(183-180)=36×(398-395)=133-53+362=593+624-846=431-(352-265)=304-240+356=137-19×3=446-(331-311)=147+105-158=187×4=702-172×2=956-(603-179)=679×6=935+771=628-323-254=808-506+162=101-17×5=982-769-77=459-(348-142)=321-33=441×2-834=274+(261-231)=16×4+128=477-(79+357)=122×8-854=26+271+217=922+882+518=915-(620-210)=422-382=552-(246+109)=364-149=682+260-885=357-315+21=11+457-156=71×2=27×(175-171)=486-104-140=420+40-418=273+205-244=169+(379-123)=476×8=46+143×5=147+53+606=524×4=61×8+822=797×(511-507)=112-29+343=415-(953-940)=150+385=183+305=588+348-417=944-(312+182)=48×5+355=301-108×2=423+164=975-(428-349)=203-(303-158)=142×2+876=366+19+87=467-117-69=914+864-113=96×3+359=107-52+370=789-610-77=51+103+761=939-18-252=13+56×6=334+129=75×4-265=3/6-1/6=325+235+400=724+321=168×3+39=784+388=330×2-89=210+186=769-210+262=406-43×6=866-509-21=892-14×9=2/6-1/6=831-(120+416)=301+63×4=36×(319-312)=969-19×7=918-103×6=346-12×2=795×3-913=277+57-138=136+215=259+(316-141)=4/8-3/8=965+943+78=432-(132+48)=204×4-567=433-243=770+424=302×3=828-(316+128)=647+873-421=348×6=145+133×3=350-23-303=488-(968-577)=366-59=552-(711-460)=477+54×4=173+903-269=147+346=99+426×2=195+329=101+176+206=417-326+935=54+417-417=740-120×2=922×(175-166)=787×7=658-315-274=422-(215-170)=348-224-97=861-(181+238)=103+20+103=96×(274-266)=104+(400-49)=727-(971-915)=437-(113+169)=851×9=640+22×2=145+307-369=591-446+232=780×(145-137)=673-124×3=468-160=499+(220-28)=194+207=109-(357-290)=58×(159-150)=478-15-393=599-221-282=155-(429-332)=303-(50+103)=161+94=4/7-1/7=875-(59+55)=696-444+927=817+238×2=744-(262-39)=650×(178-170)=132+(398-28)=912-533-242=644-(38+252)=710-28×8=416-227-112=231-(152-105)=109-40×2=320-16×5=157-25×5=241-11+54=720-(720-139)=752+506+136=311-94-18=460-(382-78)=446+(287-67)=401-52-174=269-214=88×5=211×(470-467)=817×3=705+297-48=291-235+240=469-(388+25)=267-(204-141)=916-(775-118)=585+203=607+39+576=846×(797-791)=514-(809-525)=401+(473-260)=250+90-50=846×(267-261)=802-546=904-307+464=436-(295+63)=828-71-744=813+882-55=53+(986-14)=104+182=702+301+718=105+325+727=242-200=294-(115+113)=441-18×8=7/10+2/10=111×4=797×(413-405)=429-114-153=82+339=471-195=65×6+432=499-(154+247)=243-10-195=683×2-146=273-48×2=177+269-365=31×(247-241)=439-370+76=2/4-1/4=486-231=451-201+53=337+(204-34)=79+205-54=495-48×3=359-154-94=250-13=372+111×4=119×6=922-436-70=101×(946-940)=294-22×3=300+(913-311)=109-(38+35)=247+135+245=350-154+117=479+856=173×(752-744)=398-(176+63)=3/6+2/6=424+793=74+438+155=2/8+4/8=820+953+223=106×2-107=24+752+832=340+(486-443)=146+(60-58)=450-16-29=629-(635-520)=121-(142-76)=183+690=239+(302-56)=17+701+265=80×7+163=270+186+163=795-(724-425)=550+19-463=132-(63+28)=20×(901-895)=423-(129+99)=618-(870-759)=921×8=34×5+158=273+212+793=508+22-463=120×6+623=890-859+700=25+465-322=119+332=495+246×2=548×4=191+56×8=400×(368-364)=235+127×2=571×8-78=321+735=103+(140-46)=100×7-306=341-50×6=380-96-223=159+(411-117)=419-50+43=325-30-105=281-(498-407)=172+38+108=189×4=750×4=590+395=873-449-145=449×2-21=866-129×2=611+(160-157)=982+500-156=190×5-159=449-(365-359)=72×4=250×2=718+869+529=937-(175-109)=692×6=54×4+511=453×9-901=71×5-322=449-306=798-505+370=248+984-260=275+90+252=186+282-47=431+(397-123)=213×2+499=45×6=396-35×2=516-295+656=947+(801-406)=926-(93+235)=920-747=211×8-80=974-290×3=478-458+468=514-160=683-639=470+(172-77)=713×(796-788)=39×(166-163)=335×3=256+115=183-90=368-(354-220)=530+481-759=694-240×2=119+141×3=796-264-384=627-108×3=663-(828-806)=932-622=273-(199+59)=168-(175-143)=777-(603+149)=188×5-335=377-(442-238)=373-295=839-49×8=695×(717-710)=154×4-558=128×(28-21)=60+173-178=91×2=962-174+792=458+831-758=212+812-556=359×2=105×2+924=371+72=303×2=389×6=682-(454-280)=563-367-96=397-(355+38)=84×5-407=427-(197+93)=412-99+61=458-(114+184)=63-54+257=44+111-48=415-276-81=323+117-322=90×7=208-97-64=496+842+506=439-233-29=723+24×7=283-244=197+44×5=916×6=244+53+245=171+64=770+(987-598)=455-(435-379)=667-148=396-65×5=313-(165+106)=262+870+481=452-151=144+73-44=399-26×6=160×2=48×(69-62)=373-19-63=397-15×4=231×(216-207)=596×7=219-163+363=493-(306+42)=939-(392+449)=519×9-996=162×(913-904)=401-283-58=976-425+341=433+(170-147)=246-23-75=276+111=65+430-192=370×8=848+(735-324)=473-441=402×5-122=146+57×8=282-(37+191)=319+169=40×5+368=197-(384-280)=350+332+239=103+368-432=417-(85+270)=289-(300-23)=491-(438-230)=754+(833-380)=421×2-267=216-208+104=420-(130+102)=94+37×7=31+357-143=367+581+307=參考答案643-128=515475+755-53=1177191×5-75=880871-533-217=121233-51×3=8032×(226-219)=224194+91-167=118532-374+146=304331+408=739458-(229+97)=13231×3=93614×4-249=2207120+136×5=800220+564+204=988814×9-323=7003242-113=129422-223+79=278770-(151+225)=394825-(218+319)=28865×7-112=343112+121=233187-19-54=114595+801+539=1935109-71+156=194460-106=354630-252+919=1297695+262-733=224416+(199-33)=582870-(821-202)=251946+(917-631)=1232310-274=36693-203+569=1059275×(998-994)=1100560+(615-449)=726400-(473-105)=3230+105-27=1084/6+2/6=1779-440-223=116386+(276-26)=636610-31-554=25402-222=180368-170=198484×3-107=1345134+217+159=5101/7+2/7=3/7621×5-220=2885996+265×2=1526410-42×8=7467×6+919=1321189×9=1701423+895-896=422594-39×3=477196×(359-355)=784227+248=475270×(345-342)=8102/8+3/8=5/815×(406-398)=120133×(129-125)=532299-(86-68)=281409-75+121=455442-(266+120)=56984-165+230=1049113-(187-134)=6098-80=18683+(861-502)=1042174+312=486200+125=325333+329×2=991132×4+171=699821-124×2=57342-30=1223+76+870=969672+167×5=1507192×(295-290)=960753-(882-704)=575269×3+139=946665×(370-366)=2660177-52=125442-145-59=238680+887-599=96849×(44-41)=14783×(205-198)=581955-(111+601)=243282×2-389=175366+57+32=455113×8=90421×(422-418)=84494-33=461475-217=258670-(898-271)=43602-268-150=184369+(169-138)=400903-(165+404)=334183-83=100819-162×5=9677+426+53=1156173+184=357453-23×4=361499-56=443870+(969-599)=1240293-132×2=2949+32=81219-34-20=165527-(81+177)=269158-28+262=392419+(273-153)=539181×4-425=299690×5-574=287638×7-260=681+97+376=554411+417+458=12863/7+4/7=1675+(494-314)=855247×4=988879-215=664684-22=662434-269-153=12300-158+542=684746-404+987=1329246×4-416=56853+257-136=174348-89-19=24025×3=7598×(864-855)=882277-(238-151)=19089+(675-483)=281425-(60+79)=286287×7-400=1609385+976=1361170-43=12760+27×3=141368-(70+158)=140527+310-772=65128-58+837=907313×3-181=758886+(376-255)=100771×6+41=46782+236-81=23790-38+76=12830+314+598=942670-293=377793-420+861=12343/7-1/7=2/7116+622+44=782609-69×8=5782+372-94=360343×5=1715562-240=322290-(375-273)=188347-(231+54)=6237×5=185513+325+977=1815400×8-114=3086100+(632-10)=72282×4=328813-(63+481)=26922+343+135=50042×(314-310)=168245+146×2=537431-(264+154)=13831-(426+270)=135259-31+629=857199-(68+93)=38815+(905-51)=1669594+(374-368)=600190-(497-487)=180747-(268+108)=371801-(227+452)=122448×2+73=969446-(379-70)=137360-(278-127)=20973+375-245=2033/5-2/5=1/5437-(19+205)=213146×2-110=182358+(902-392)=868433-339=94779-16-451=312228+169+445=84216×7=112413-79×3=176195+223-305=113164×5-325=495125×(284-281)=375908+577-565=920953-158×6=5429+(466-346)=549338-(82+210)=46500-249-152=99378+171=549860-729=131560-524+811=847261-53+261=469459-(311+120)=28297+61=358458-370-66=22185+15×9=320398-28×5=258352-106+38=284776×(403-395)=6208497-179-185=1334/8+2/8=6/896-(576-517)=37265+983-615=6334/7-2/7=2/7546-(246+241)=59198+456=654987+(732-627)=1092375-108=267661×6-696=3270145+178=32378+(549-22)=605404-364+440=48028+20+742=790231+(498-493)=236379×7-302=2351733+476+312=1521409-270+148=287309×3=927602×7-698=351613×6-42=36371+192=5633/4-1/4=2/4856-700=156255×(683-674)=2295247+(354-214)=387343-(153+150)=40774×(350-344)=464490+220=310203×2-112=294482-187×2=108492-346=146871-(433-255)=69396+(424-60)=460157×6-722=22071×(213-205)=56895×(444-436)=760983-534=44998-54+360=404598×(293-290)=1794754-676=78778+504-191=1091314-(179+16)=119291-244+86=133130+31-111=50260×8=2080529+522+614=1665265×2=530135×4-351=189380×5-238=1662289+411+270=970880+430-871=439277-31×3=184365-52-188=1255/7+2/7=13/6-2/6=1/6156+(143-10)=289496-109-219=168798-(479+304)=15406-155+80=33191+408=499969+717-343=1343394-106=288499-105=394289-104+250=435614-163×3=125712-(920-713)=505367-(603-250)=14426+804-654=5765/8+2/8=7/8901-779=122354-19×9=183614-233+869=1250476-15×5=401343+125-316=152978×8=7824111×3+185=518295-252=43869-87=782590+193+96=879139×(365-362)=417171×3-433=80394×2-498=29022×7+444=598954+660+893=250728+80×5=428370-(31+28)=31162×(267-261)=372308×3-749=175499+(652-108)=1043241×3=723192-87×2=1878+194=272130×(129-122)=910901-187×4=153372+60+99=53149+218×4=921105×(418-411)=73518+98=116933-(660+157)=116780-(211-155)=724167+279=446208+(148-77)=279548+143=691159×3+123=600701-227-467=7727+(804-74)=1457905+(516-343)=1078483-99×4=87467-(312-101)=2562/5-1/5=1/5439-30×4=319260×2+318=838819×5-96=3999239-101-99=39749×8-259=5733114×3=342115+338-82=371187+624+97=908445×2+826=171661×6+81=447834×(603-596)=5838282+369=651740×8-754=5166727+(731-699)=759776-775+864=865154×5=77041×4=164463×2-492=434121×(459-451)=968246-48-103=95122×6=732194×7=1358638-395+643=886654-60-279=315525+223-96=6523/5-1/5=2/5267+97-46=318739×4=2956301-176=125344+651+348=1343214+(367-267)=314277+126=403324-41+20=303475-421+316=370620+140+130=890692×8=5536270-38×6=42637-345=292437-(328-174)=283349-(69+160)=120295-19×5=20083+(480-460)=103451-349+78=180984-(458+355)=171483-(461-123)=14563×2+221=347304×3=912363-18×2=327614+(804-562)=856281×(72-69)=843264+414=67860×9=540760+21×4=84456×(145-137)=448730-604=126979-50-134=795125+265+948=1338393×2-673=113389-(123+238)=2873+379=452466×3=139812+336+306=65445×7+330=64539+127+19=185175+33=208681×6-425=3661351-129=222232+576+13=821947+(762-474)=123595+566+574=1235965-136=829201+134=335331+61×3=514767-(833-690)=624866+737-684=919970×3=2910395+118×5=985297-91-156=50102×4+53=46129×5-56=89464-107-72=28589-23×2=43294+(569-443)=420341+982+424=1747592+397-871=118287+210=497270×3=810300-47=253381+200+417=99864×(542-538)=256891+(803-106)=1588136+83=21931×2+309=371888-121-551=216265-25×2=215456-97-339=20110×3=330441+430-37=834500-95×2=310968-141×5=26379+355=434758-(546-123)=335607×6-678=29641/9+8/9=192×5=460305-212+174=267246×4-256=728379-26-181=172672-20×9=492697×(321-312)=6273471×7-673=262440×7+774=105468+59×4=304314-190+113=237239-81-27=131951-215×3=306785-125-68=592948-(828-39)=159852×(312-303)=7668494-(402-196)=288360+118=47820+(279-178)=121390-50×6=90703×3-829=128066+(495-471)=90998-290+614=132270+135=20589+56=145976+(775-302)=144915+221+90=326322+561+761=1644666-17×5=581845-727=118902-399+948=1451892+570=14621/5+3/5=4/575×(664-658)=45062×6-298=7418×(549-542)=126848×(806-801)=4240118×5=590517-(108+228)=18190×(183-180)=27036×(398-395)=108133-53+362=442593+624-846=371431-(352-265)=344304-240+356=420137-19×3=80446-(331-311)=426147+105-158=94187×4=748702-172×2=358956-(603-179)=532679×6=4074935+771=1706628-323-254=51808-506+162=464101-17×5=16982-769-77=136459-(348-142)=253321-33=288441×2-834=48274+(261-231)=30416×4+128=192477-(79+357)=41122×8-854=12226+271+217=514922+882+518=2322915-(620-210)=505422-382=40552-(246+109)=197364-149=215682+260-885=57357-315+21=6311+457-156=31271×2=14227×(175-171)=108486-104-140=242420+40-418=42273+205-244=234169+(379-123)=425476×8=380846+143×5=761147+53+606=806524×4=209661×8+822=1310797×(511-507)=3188112-29+343=426415-(953-940)=402150+385=535183+305=488588+348-417=519944-(312+182)=45048×5+355=595301-108×2=85423+164=587975-(428-349)=896203-(303-158)=58142×2+876=1160366+19+87=472467-117-69=281914+864-113=166596×3+359=647107-52+370=425789-610-77=10251+103+761=915939-18-252=66913+56×6=349334+129=46375×4-265=353/6-1/6=2/6325+235+400=960724+321=1045168×3+39=543784+388=1172330×2-89=571210+186=396769-210+262=821406-43×6=148866-509-21=336892-14×9=7662/6-1/6=1/6831-(120+416)=295301+63×4=55336×(319-312)=252969-19×7=836918-103×6=300346-12×2=322795×3-913=1472277+57-138=196136+215=351259+(316-141)=4344/8-3/8=1/8965+943+78=1986432-(132+48)=252204×4-567=249433-243=190770+424=1194302×3=906828-(316+128)=384647+873-421=1099348×6=2088145+133×3=544350-23-303=24488-(968-577)=97366-59=307552-(711-460)=301477+54×4=693173+903-269=807147+346=49399+426×2=951195+329=524101+176+206=483417-326+935=102654+417-417=54740-120×2=500922×(175-166)=8298787×7=5509658-315-274=69422-(215-170)=377348-224-97=27861-(181+238)=442103+20+103=22696×(274-266)=768104+(400-49)=455727-(971-915)=671437-(113+169)=155851×9=7659640+22×2=684145+307-369=83591-446+232=377780×(145-137)=6240673-124×3=301468-160=308499+(220-28)=691194+207=401109-(357-290)=4258×(159-150)=522478-15-393=70599-221-282=96155-(429-332)=58303-(50+103)=150161+94=2554/7-1/7=3/7875-(59+55)=761696-444+927=1179817+238×2=1293744-(262-39)=521650×(178-170)=5200132+(398-28)=502912-533-242=137644-(38+252)=354710-28×8=486416-227-112=77231-(152-105)=184109-40×2=29320-16×5=240157-25×5=32241-11+54=284720-(720-139)=139752+506+136=1394311-94-18=199460-(382-78)=156446+(287-67)=666401-52-174=175269-214=5588×5=440211×(470-467)=633817×3=2451705+297-48=954291-235+240=296469-(388+25)=56267-(204-141)=204916-(775-118)=259585+203=788607+39+576=1222846×(797-791)=5076514-(809-525)=230401+(473-260)=614250+90-50=290846×(267-261)=5076802-546=256904-307+464=1061436-(295+63)=78828-71-744=13813+882-55=164053+(986-14)=1025104+182=286702+301+718=1721105+325+727=1157242-200=42294-(115+113)=66441-18×8=2977/10+2/10=9/10111×4=444797×(413-405)=6376429-114-153=16282+339=421471-195=27665×6+432=822499-(154+247)=98243-10-195=38683×2-146=1220273-48×2=177177+269-365=8131×(247-241)=186439-370+76=1452/4-1/4=1/4486-231=255451-201+53=303337+(204-34)=50779+205-54=230495-48×3=351359-154-94=111250-13=237372+111×4=816119×6=714922-436-70=416101×(946-940)=606294-22×3=228300+(913-311)=902109-(38+35)=36247+135+245=627350-154+117=313479+856=1335173×(752-744)=1384398-(176+63)=1593/6+2/6=5/6424+793=121774+438+155=6672/8+4/8=6/8820+953+223=1996106×2-107=10524+752+832=1608340+(486-443)=383146+(60-58)=148450-16-29=405629-(635-520)=514121-(142-76)=55183+690=873239+(302-56)=48517+701+265=98380×7+163=723270+186+163=619795-(724-425)=496550+19-463=106132-(63+28)=4120×(901-895)=120423-(129+99)=195618-(870-759)=507921×8=736834×5+158=328273+212+793=1278508+22-463=67120×6+623=1343890-859+700=73125+465-322=16811