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

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦777+139-470=253+75=442+130+978=774+77+36=612+565+504=111×7=452-280=290×3=424×5-863=75+361-22=70+771-838=242+195=96+432+470=221+104=193-(250-149)=128+28-80=405-(163+151)=824-93×3=464-378+123=437-187=897+80-715=158+34-107=864×9=309×2=165×6-624=200+(280-79)=151-126=954×9=864+277+688=945+803+400=112×3=652+998-102=139-98+295=374-80-216=587-154-87=434×(283-279)=246+(272-162)=3/7-2/7=579×(843-840)=885-418+986=162-57=692-376=22+406×2=288-51-197=257×3-193=617-(916-837)=555-(791-482)=439-(498-393)=197×7-335=394-(131+58)=595+802+922=572-78+169=231-(54-31)=143×6-216=991-247×4=360-(274+28)=946-(242+174)=249×(47-44)=288×3-782=122+145=440-12×3=620×3=946+535-826=204-153+81=373-72×4=642+742=733-133×4=75+338-237=417-111-139=658-419-209=203+205-307=939-(497-257)=315+98=452-343+40=440-(156+235)=957-(455+232)=2/3-1/3=442-(130+298)=715-(806-162)=522+769+713=266×(157-150)=65×9=257+230-65=67×8+330=167+144-61=495-(383-189)=793-(470+272)=47+223=209+745=422+32-436=487-(190+83)=12×8+29=144+165+495=344×4-455=510+383+788=639-(974-549)=633-123-69=837×8-324=915×(61-52)=426-(242+71)=438-282-32=423-177=160×(278-272)=1/6+3/6=233+786-949=913-231×2=181+294=185+273=189-(52-14)=702-(545-400)=881-382+698=64×(326-323)=504-(768-467)=405-31×8=342-(24+267)=226×4=140+(621-189)=415-156+803=266+(542-476)=83×5+53=969-266-323=532-246=473-361+287=126+334+417=423-(13+252)=97×9=976+781+145=703-56-573=303+165=258+(67-32)=221+(454-150)=321-221=6/7-1/7=431+149=597×4=946-134=173-49=4/7-3/7=246×(350-346)=618-394+523=134-(308-299)=107×9-394=589-286-140=233+(260-72)=193+60×7=573-268=217-148=315×3-935=443+79+337=401+261+316=813+149+578=229+403+428=52×5=985-926=782+642=132+259-189=157×(131-124)=296+197-285=912-802=848+133+966=885+(952-225)=501×(81-75)=56×4=34×9=411×(736-732)=516+475-256=332×(562-558)=108×(208-204)=178×2+109=498×8-843=55+423×2=437-160+591=403-72×5=640-(139+231)=831-111=85×(259-255)=42×7=224+85-81=499-298=982-925+845=22+404+211=216-55×2=92×5+184=182+289=313+133=250+(237-172)=479-69-106=478-102=557+456-854=231×6=162+233=703-450-243=648+308=931+81+417=164-26×4=138×(837-828)=1/4+2/4=599+467-639=912+911+565=477-(44+310)=882-(417+249)=145+(406-380)=67+354-104=472-437+321=620-208-361=93×6+87=25+122+705=160+(500-20)=463+(390-224)=440+157=381-15=904-(304+38)=617+(701-218)=90×(221-214)=315×2-31=85+264=196+843-801=334-(179-175)=570-441=2/5+3/5=493-(187-133)=425-(223+155)=291+118-290=496-135-273=701+72+146=118+169×5=683+853+638=769-(401-176)=419-(66+220)=236-(538-310)=301×2-464=61×4=471+474×2=641-313×2=432-208-64=509-73+557=577-34×4=344+707+38=450×2-535=475-(184-125)=87+64+672=687-(332+349)=240+434=512+362+73=78×5=985-(678-489)=591×(449-443)=19+485+54=108-102+365=140+(668-583)=727-413=265×7-566=345-(183-121)=998-613=820-520=891×4-273=569×3-296=932+(820-750)=97+(831-30)=934×7=804-(741-381)=187+60+174=349-(251+40)=338+205=891-(355+503)=396-164-214=492-77×6=396+296=76-59=410-(230+138)=311×6-391=331×(353-350)=152+(51-24)=482-(230-148)=371-91-194=446-(88+122)=468×6=456-144-67=352-270=337×6-134=459+694=450-(47+334)=109+372-335=90×9-496=122+(424-317)=490+27+135=794×3=172×(100-96)=261+215-332=959×(624-615)=882+76×4=275×8-455=157-(175-89)=497-(242-177)=215+254-439=846-37×7=782-682+66=407+142×2=234-(449-316)=412×(293-287)=337-191+35=224×3=484×2-483=302-60×4=494-(441-96)=567×7=211×4-136=402-22×5=254-250+843=223×2=158×3=331-(835-508)=901-701-29=505+851=661-274-184=57×9+117=553×3=7/10+3/10=651-582=889-(938-880)=2/6+3/6=31+180-95=747+869+207=931-83×4=27×(69-64)=334+171+626=810-176-270=189×8-504=19+710+99=499×3=811+170=416+123×3=328-115+265=141+(498-284)=252×3+906=340×2=60×9+596=61+58=112×(33-27)=224+(171-136)=684-102+933=299-131-20=183+(199-77)=168+34+191=188-(92+25)=866-548+496=454-(558-197)=335+(698-580)=338-13=23×7-65=383-72×4=79×3=877-107=326+239+431=270+54×4=465-(186+27)=115×6-246=85×5+367=195+246-160=83+299+531=457×2=456-43×7=584+(455-276)=516×(177-173)=106+(924-465)=153+(435-36)=928-68×3=157×6-743=326+(395-52)=337-160-81=374+(355-134)=546-504+624=34+295+466=244-45+78=116×5+427=398-255=486-397+93=945+350+681=262+87×3=89-84+91=417+(878-269)=215-48×3=899+665-99=400-(200-189)=250+107×6=989+(828-474)=22×9-169=110×(101-95)=250×4+332=159+(845-450)=482-(16+447)=347-57-183=482-333=88×7+86=128-65=416-256+27=894+205-214=358-(180+125)=332+(292-254)=667×7=245-136-48=313+167-418=96×6-229=384-264=142+109=31×3+777=261+61×2=227×8-594=617×(897-890)=264+427+51=192+261=251+300=121-47×2=344+156=2/7-1/7=292+29×9=25+315×3=786-(428-317)=177+464=926-(659-504)=726+895+967=326+96=150+641=786+283+530=1/8+4/8=233+372=188-137+285=297+82=576+29×5=654+395-929=3/8-2/8=686×(903-896)=997-201×2=578-511=184×7=553×2=375-115×3=2/4-1/4=137-16=790-82=339×(948-940)=64×(77-69)=418+79-76=612+986=327×3+384=197+473+124=327+108×2=570-58-176=182-83=258-28+244=257+156×5=134×4=220-(68-40)=951-(40+801)=461-153+80=468-222+113=352+(489-353)=689+76+216=354+(496-427)=398+(467-12)=411-13×9=321×2=52×(371-368)=230+168=95×2-185=915-(994-583)=731-(936-266)=290-55-150=21×7-84=670+52+58=153×(351-347)=972-54-112=211-(207-144)=884+236×2=938-(603+131)=2/10+3/10=480-(848-538)=411-127-81=255×2=317×3+491=227-55+57=81+336+327=963+(381-147)=63×4=758×(711-705)=86+228×2=329-193-16=311-(69+172)=845-324+995=111+323-339=487+(755-600)=218+146+933=55-27+392=96×9+648=212+559=3/5-1/5=67×(256-251)=152+97-213=864×3=431-(142-67)=117×3=81×(142-137)=180×4=190+178+379=975+558-699=230×(31-27)=405-29-326=586+(775-433)=937×(291-283)=457-143=963-126+251=368-204-152=127×3+293=267×(447-444)=129+(768-218)=433-111=165+499=48-36+480=365+52-155=122×7=75×8-68=858-190×4=224+207-327=157×4+291=186×3+904=679-633+959=323-47-180=378×9-212=788-180=876-104=2/5-1/5=411-(219-80)=949-771=222+177×3=279+94-96=750-86×2=195+(442-307)=385×(233-228)=4/7+3/7=799-(64+492)=621-107-343=223×(287-283)=755×7-455=347×2+147=407-280+519=158-16=23+117=211+170-76=461-185×2=485×2-60=368×(250-242)=363-118+74=665-188+38=762-438+87=452-(775-445)=107+549+216=828-47×5=870-(613+104)=576-267-24=7/9-1/9=589+78×7=900-178-249=761×(420-416)=5/7-1/7=693-(507-276)=97-68=199+235=749×(718-713)=201-43+601=614-203-284=117+169+177=944-268-289=471×5-845=811-314-440=461-126×2=227-(70+151)=742×6-778=489-147×3=321+29×2=168+39=52×(455-452)=757-148+520=338+98-181=136+20×4=884+(520-127)=92×8-283=953-70×9=385-288=254-(37+100)=680-231-111=956-(553+74)=381-252=82+321=615+190×5=426-(251-26)=160-20×3=725+(828-597)=116+330-16=1/7+3/7=343-(42+102)=31+(349-215)=900-252=939-119×3=520-240×2=139+202-269=308-31×9=907-248+170=23×4=66×8=622×(431-425)=251-(220-204)=475-(276-165)=521+276+203=261+689-831=473×2=164×2-273=16+286×2=34-11×3=235+615-40=141×(276-272)=917-526-180=487-(152+50)=975-(448+294)=490×7-667=89×8-476=950+56-887=799×8-274=198-76=328+612+24=478-(183+104)=84×(196-187)=391+(377-211)=431-(279+28)=549-113+150=275-(355-312)=464×2-640=464-145-24=686+407+839=802-133-63=451-56×4=251+(207-113)=684-(168+490)=343×2=925-(827+43)=632-13×4=614-(227+106)=470-(233+214)=336+252×2=408-204+275=40+440×2=460-103×4=372-61-300=69×7=82+340=1/5+3/5=544+29+319=475+(350-121)=382-31×4=400-(117+208)=271-49=352×(652-645)=163×4-372=338×9-736=495×(346-337)=390-(300+88)=661-42×4=339-172+144=250-106=261-(390-185)=635-15×4=396-68-137=41-(251-234)=447+347=687×(542-534)=799+453=498-55=641-(368+241)=182+(492-339)=295×3-374=216-(100+71)=340×4-116=43×9=496-143-34=199-(186-101)=379-352+244=396-94×4=551+(171-41)=529+(367-40)=116×8-636=472-(307+119)=919-697-80=181-(32+60)=427-89-92=269-22×2=834×(585-578)=229-71+80=325×(145-142)=315×7=300+(413-162)=202+426=978+(909-774)=321-(355-109)=124×4+316=745×5-812=943+870+657=316-(78+236)=488-37×3=152+125=552+115=208-59×3=176×5=290+(447-14)=702×4-208=121×7=49+153-140=76×5+448=316-21×6=67+392+425=949-851=534-(356-82)=391-(60-14)=296-156+51=165-35×2=183+107=179×(410-405)=476-175=139+435-356=209×4+915=184×(320-317)=62×(140-132)=892-(649-354)=373-(426-62)=124-10×5=675+583-67=352+364=33-(110-82)=173-59-76=424+(462-82)=647+(650-374)=900+711-628=719-524-156=879+764-174=163×5+156=184+260=909+(432-170)=161×5-590=453×2=472-50×4=478-402=648-593=791-514=120+47×3=377+227=496-122-366=843+240-377=675-(646-66)=823+145-84=336-223+365=77×6+45=812-262=447-(44+352)=990-(317+398)=581-(284-155)=702×4-205=271-(399-159)=942-122+504=806-(698+100)=26+331-137=210+22+173=708-115×4=153×2=416×2-550=120×4+60=495×2-194=297-27×5=125-(62+33)=177+(980-36)=278-36=73×(327-322)=768+349-210=651+(403-145)=16×4=75×6+76=2/6-1/6=33+410-148=961-65-316=339-269=351+485-320=322-211+56=38+162-192=260-240+284=735-471+117=634×(970-967)=618-37×5=952-931=69+153=606+(630-377)=783-206×2=378+103×4=792-(473+194)=26×4+324=321×6-866=154×5-283=373-155-151=229+142+215=907-(61+313)=332-38×6=180+133=439+145+733=379-17-248=397+(254-60)=96+983+227=84+335-202=168×5=372-78×4=470-333+183=180×4-348=845-635-118=497-(815-586)=714+(695-465)=130×5=760×9=643+537=797×(623-615)=31×4=699×5=930-495+905=454-128=161-(194-55)=955-126+885=817+456+150=280+49=383-(283+90)=233-52+185=164×(323-320)=878×4-881=43+420+487=73+(669-576)=270-67-36=149+232=269+48×2=127+458-294=272+465=994-155-273=403×2+334=144-18×7=973-113×8=168×4=374-241+203=423-(854-492)=69×(19-15)=973-144-301=39-16×2=957-286-642=117×6-583=47×(307-302)=3/7+2/7=753-40-61=4/8+3/8=843-470+794=642-174=56×6=916-(45+395)=269+88=參考答案777+139-470=446253+75=328442+130+978=1550774+77+36=887612+565+504=1681111×7=777452-280=172290×3=870424×5-863=125775+361-22=41470+771-838=3242+195=43796+432+470=998221+104=325193-(250-149)=92128+28-80=76405-(163+151)=91824-93×3=545464-378+123=209437-187=250897+80-715=262158+34-107=85864×9=7776309×2=618165×6-624=366200+(280-79)=401151-126=25954×9=8586864+277+688=1829945+803+400=2148112×3=336652+998-102=1548139-98+295=336374-80-216=78587-154-87=346434×(283-279)=1736246+(272-162)=3563/7-2/7=1/7579×(843-840)=1737885-418+986=1453162-57=105692-376=31622+406×2=834288-51-197=40257×3-193=578617-(916-837)=538555-(791-482)=246439-(498-393)=334197×7-335=1044394-(131+58)=205595+802+922=2319572-78+169=663231-(54-31)=208143×6-216=642991-247×4=3360-(274+28)=58946-(242+174)=530249×(47-44)=747288×3-782=82122+145=267440-12×3=404620×3=1860946+535-826=655204-153+81=132373-72×4=85642+742=1384733-133×4=20175+338-237=176417-111-139=167658-419-209=30203+205-307=101939-(497-257)=699315+98=413452-343+40=149440-(156+235)=49957-(455+232)=2702/3-1/3=1/3442-(130+298)=14715-(806-162)=71522+769+713=2004266×(157-150)=186265×9=585257+230-65=42267×8+330=866167+144-61=250495-(383-189)=301793-(470+272)=5147+223=270209+745=954422+32-436=18487-(190+83)=21412×8+29=125144+165+495=804344×4-455=921510+383+788=1681639-(974-549)=214633-123-69=441837×8-324=6372915×(61-52)=8235426-(242+71)=113438-282-32=124423-177=246160×(278-272)=9601/6+3/6=4/6233+786-949=70913-231×2=451181+294=475185+273=458189-(52-14)=151702-(545-400)=557881-382+698=119764×(326-323)=192504-(768-467)=203405-31×8=157342-(24+267)=51226×4=904140+(621-189)=572415-156+803=1062266+(542-476)=33283×5+53=468969-266-323=380532-246=286473-361+287=399126+334+417=877423-(13+252)=15897×9=873976+781+145=1902703-56-573=74303+165=468258+(67-32)=293221+(454-150)=525321-221=1006/7-1/7=5/7431+149=580597×4=2388946-134=812173-49=1244/7-3/7=1/7246×(350-346)=984618-394+523=747134-(308-299)=125107×9-394=569589-286-140=163233+(260-72)=421193+60×7=613573-268=305217-148=69315×3-935=10443+79+337=859401+261+316=978813+149+578=1540229+403+428=106052×5=260985-926=59782+642=1424132+259-189=202157×(131-124)=1099296+197-285=208912-802=110848+133+966=1947885+(952-225)=1612501×(81-75)=300656×4=22434×9=306411×(736-732)=1644516+475-256=735332×(562-558)=1328108×(208-204)=432178×2+109=465498×8-843=314155+423×2=901437-160+591=868403-72×5=43640-(139+231)=270831-111=72085×(259-255)=34042×7=294224+85-81=228499-298=201982-925+845=90222+404+211=637216-55×2=10692×5+184=644182+289=471313+133=446250+(237-172)=315479-69-106=304478-102=376557+456-854=159231×6=1386162+233=395703-450-243=10648+308=956931+81+417=1429164-26×4=60138×(837-828)=12421/4+2/4=3/4599+467-639=427912+911+565=2388477-(44+310)=123882-(417+249)=216145+(406-380)=17167+354-104=317472-437+321=356620-208-361=5193×6+87=64525+122+705=852160+(500-20)=640463+(390-224)=629440+157=597381-15=366904-(304+38)=562617+(701-218)=110090×(221-214)=630315×2-31=59985+264=349196+843-801=238334-(179-175)=330570-441=1292/5+3/5=1493-(187-133)=439425-(223+155)=47291+118-290=119496-135-273=88701+72+146=919118+169×5=963683+853+638=2174769-(401-176)=544419-(66+220)=133236-(538-310)=8301×2-464=13861×4=244471+474×2=1419641-313×2=15432-208-64=160509-73+557=993577-34×4=441344+707+38=1089450×2-535=365475-(184-125)=41687+64+672=823687-(332+349)=6240+434=674512+362+73=94778×5=390985-(678-489)=796591×(449-443)=354619+485+54=558108-102+365=371140+(668-583)=225727-413=314265×7-566=1289345-(183-121)=283998-613=385820-520=300891×4-273=3291569×3-296=1411932+(820-750)=100297+(831-30)=898934×7=6538804-(741-381)=444187+60+174=421349-(251+40)=58338+205=543891-(355+503)=33396-164-214=18492-77×6=30396+296=69276-59=17410-(230+138)=42311×6-391=1475331×(353-350)=993152+(51-24)=179482-(230-148)=400371-91-194=86446-(88+122)=236468×6=2808456-144-67=245352-270=82337×6-134=1888459+694=1153450-(47+334)=69109+372-335=14690×9-496=314122+(424-317)=229490+27+135=652794×3=2382172×(100-96)=688261+215-332=144959×(624-615)=8631882+76×4=1186275×8-455=1745157-(175-89)=71497-(242-177)=432215+254-439=30846-37×7=587782-682+66=166407+142×2=691234-(449-316)=101412×(293-287)=2472337-191+35=181224×3=672484×2-483=485302-60×4=62494-(441-96)=149567×7=3969211×4-136=708402-22×5=292254-250+843=847223×2=446158×3=474331-(835-508)=4901-701-29=171505+851=1356661-274-184=20357×9+117=630553×3=16597/10+3/10=1651-582=69889-(938-880)=8312/6+3/6=5/631+180-95=116747+869+207=1823931-83×4=59927×(69-64)=135334+171+626=1131810-176-270=364189×8-504=100819+710+99=828499×3=1497811+170=981416+123×3=785328-115+265=478141+(498-284)=355252×3+906=1662340×2=68060×9+596=113661+58=119112×(33-27)=672224+(171-136)=259684-102+933=1515299-131-20=148183+(199-77)=305168+34+191=393188-(92+25)=71866-548+496=814454-(558-197)=93335+(698-580)=453338-13=32523×7-65=96383-72×4=9579×3=237877-107=770326+239+431=996270+54×4=486465-(186+27)=252115×6-246=44485×5+367=792195+246-160=28183+299+531=913457×2=914456-43×7=155584+(455-276)=763516×(177-173)=2064106+(924-465)=565153+(435-36)=552928-68×3=724157×6-743=199326+(395-52)=669337-160-81=96374+(355-134)=595546-504+624=66634+295+466=795244-45+78=277116×5+427=1007398-255=143486-397+93=182945+350+681=1976262+87×3=52389-84+91=96417+(878-269)=1026215-48×3=71899+665-99=1465400-(200-189)=389250+107×6=892989+(828-474)=134322×9-169=29110×(101-95)=660250×4+332=1332159+(845-450)=554482-(16+447)=19347-57-183=107482-333=14988×7+86=702128-65=63416-256+27=187894+205-214=885358-(180+125)=53332+(292-254)=370667×7=4669245-136-48=61313+167-418=6296×6-229=347384-264=120142+109=25131×3+777=870261+61×2=383227×8-594=1222617×(897-890)=4319264+427+51=742192+261=453251+300=551121-47×2=27344+156=5002/7-1/7=1/7292+29×9=55325+315×3=970786-(428-317)=675177+464=641926-(659-504)=771726+895+967=2588326+96=422150+641=791786+283+530=15991/8+4/8=5/8233+372=605188-137+285=336297+82=379576+29×5=721654+395-929=1203/8-2/8=1/8686×(903-896)=4802997-201×2=595578-511=67184×7=1288553×2=1106375-115×3=302/4-1/4=1/4137-16=121790-82=708339×(948-940)=271264×(77-69)=512418+79-76=421612+986=1598327×3+384=1365197+473+124=794327+108×2=543570-58-176=336182-83=99258-28+244=474257+156×5=1037134×4=536220-(68-40)=192951-(40+801)=110461-153+80=388468-222+113=359352+(489-353)=488689+76+216=981354+(496-427)=423398+(467-12)=853411-13×9=294321×2=64252×(371-368)=156230+168=39895×2-185=5915-(994-583)=504731-(936-266)=61290-55-150=8521×7-84=63670+52+58=780153×(351-347)=612972-54-112=806211-(207-144)=148884+236×2=1356938-(603+131)=2042/10+3/10=5/10480-(848-538)=170411-127-81=203255×2=510317×3+491=1442227-55+57=22981+336+327=744963+(381-147)=119763×4=252758×(711-705)=454886+228×2=542329-193-16=120311-(69+172)=70845-324+995=1516111+323-339=95487+(755-600)=642218+146+933=129755-27+392=42096×9+648=1512212+559=7713/5-1/5=2/567×(256-251)=335152+97-213=36864×3=2592431-(142-67)=356117×3=35181×(142-137)=405180×4=720190+178+379=747975+558-699=834230×(31-27)=920405-29-326=50586+(775-433)=928937×(291-283)=7496457-143=314963-126+251=1088368-204-152=12127×3+293=674267×(447-444)=801129+(768-218)=679433-111=322165+499=66448-36+480=492365+52-155=262122×7=85475×8-68=532858-190×4=98224+207-327=104157×4+291=919186×3+904=1462679-633+959=1005323-47-180=96378×9-212=3190788-180=608876-104=7722/5-1/5=1/5411-(219-80)=272949-771=178222+177×3=753279+94-96=277750-86×2=578195+(442-307)=330385×(233-228)=19254/7+3/7=1799-(64+492)=243621-107-343=171223×(287-283)=892755×7-455=4830347×2+147=841407-280+519=646158-16=14223+117=140211+170-76=305461-185×2=91485×2-60=910368×(250-242)=2944363-118+74=319665-188+38=515762-438+87=411452-(775-445)=122107+549+216=872828-47×5=593870-(613+104)=153576-267-24=2857/9-1/9=6/9589+78×7=1135900-178-249=473761×(420-416)=30445/7-1/7=4/7693-(507-276)=46297-68=29199+235=434749×(718-713)=3745201-43+601=759614-203-284=127117+169+177=463944-268-289=387471×5-845=1510811-314-440=57461-126×2=209227-(70+151)=6742×6-778=3674489-147×3=48321+29×2=379168+39=20752×(455-452)=156757-148+520=1129338+98-181=255136+20×4=216884+(520-127)=127792×8-283=453953-70×9=323385-288=97254-(37+100)=117680-231-111=338956-(553+74)=329381-252=12982+321=403615+190×5=1565426-(251-26)=201160-20×3=100725+(828-597)=956116+330-16=4301/7+3/7=4/7343-(42+102)=19931+(349-215)=165900-252=648939-119×3=582520-240×2=40139+202-269=72308-31×9=29907-248+170=82923×4=9266×8=528622×(431-425)=3732251-(220-204)=235475-(276-165)=364521+276+203=1000261+689-831=119473×2=946164×2-273=5516+286×2=58834-11×3=1235+615-40=810141×(276-272)=564917-526-180=211487-(152+50)=285975-(448+294)=233490×7-667=276389×8-476=236950+56-887=119799×8-274=6118198-76=122328+612+24=964478-(183+104)=19184×(196-187)=756391+(377-211)=557431-(279+28)=124549-113+150=586275-(355-312)=232464×2-640=288464-145-24=295686+407+839=1932802-133-63=606451-56×4=227251+(207-113)=345684-(168+490)=26343×2=686925-(827+43)=55632-13×4=580614-(227+106)=281470-(233+214)=23336+252×2=840408-204+275=47940+440×2=920460-103×4=48372-61-300=1169×7=48382+340=4221/5+3/5=4/5544+29+319=892475+(350-121)=704382-31×4=258400-(117+208)=75271-49=222352×(652-645)=2464163×4-372=280338×9-736=2306495×(346-337)=4455390-(300+88)=2661-42×4=493339-172+144=311250-106=144261-(390-185)=56635-15×4=575396-68-137=19141-(251-234)=24447+347=794687×(542-534)=5496799+453=1252498-55=443641-(368+241)=32182+(492-339)=335295×3-374=511216-(100+71)=45340×4-116=124443×9=387496-143-34=319199-(186-101)=114379-352+244=271396-94×4=20551+(171-41)=681529+(367-40)=856116×8-636=292472-(307+119)=46919-697-80=142181-(32+60)=89427-89-92=246269-22×2=225834×(585-578)=5838229-71+80=238325×(145-142)=975315×7=2205300+(413-162)=551202+426=628978+(909-774)=1113321-(355-109)=75124×4+316=812745×5-812=2913943+870+657=2470316-(78+236)=2488-37×3=37