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373×2-476=308-114=930-68-637=373-(450-380)=576+134=12+(219-83)=32+88=964+(851-848)=498-338=559+23+241=670-304=185+297=657+985+510=111-73+307=172×5-181=863-207=762-(665-530)=247×(98-94)=135-(120-45)=309+820=353×2=525-106+144=89×9-77=225+(176-120)=880-101×6=228×(123-119)=193×(929-925)=528×5-932=367+69=529×(339-334)=787-50×8=844-96+936=666-94×5=916×(576-568)=684×4-614=514+(597-55)=583×3-794=620+454=408-(203+22)=332-255+171=395-(193+81)=827+17+670=67×3=134+386×2=11+94+126=790-(648-391)=670+87×4=412+64+143=580-154=406-(58+162)=535-99=287×(292-285)=932-236-147=917-(51+804)=314×2-393=492-486+126=407×2+221=916-(951-434)=173-118+759=990-(413-337)=362-(263-75)=3/8+2/8=435-(380+18)=315+(302-280)=418-316=338+(378-77)=138×(163-156)=262-(638-450)=337×2=402-(405-294)=349-75+93=651-(339+127)=293×3+331=387+160×4=411-344=180-179+688=345+(688-74)=483-41×2=248+131=352-55×6=366-31×5=487+(780-500)=75×5-238=908-868+839=55+128=342×(949-940)=127+(147-95)=972-(358-250)=34+817+322=663×7=66×5=2/6+3/6=908-(234+64)=77-65=857-444-140=456-175=736×2-612=250×3+331=910-123-649=74×2+995=76×8+167=995-224×3=2/10+5/10=214-(147-92)=72+407-33=390×2=479-200+61=551×5-220=246×3-90=208×(44-41)=505-310+707=422-(418-48)=186+888=71+335-169=150+113×5=127×(967-962)=925-565+930=452-(275-155)=313×3=832×7=153×3-369=928-(769-209)=170+79=724-313+284=272-216+173=175+283-270=881+944-204=214+29×4=192-(184-92)=468-58-104=827-(815-409)=298-286+350=355-142+79=681×(167-159)=484-450=211+(603-524)=300-72×3=61+323-142=246-67-125=211-110-34=117+123-16=537-472+702=304+253+471=237+620+806=706+24×9=712-173-183=211×3=839-(338+475)=101×8+52=335-19=414×5-33=54×6=222-203=173-45+244=2/4-1/4=97+37=448-(198-183)=224×9=861-(71+156)=211+(363-260)=412+82=93×(147-139)=490-65×2=608+33×2=414×2-625=612-67×9=691+(341-26)=242-101-67=113×(182-177)=996+(651-548)=784-60-675=444×2-790=55×(152-147)=936-95×5=849×6=417-322=401+52×5=382-184-163=77+22+526=3/10-2/10=446-(185+171)=2/5-1/5=459-221=433×2-747=609-133+282=163×5-114=442-(284+38)=776-71×9=129+(84-81)=384-53+877=300×2=462-(176+143)=30+(352-342)=519+712+559=656-25+43=833×2-161=69×(423-420)=621-132+924=436-143+148=413-42×5=792+(89-18)=739-569=356-20=494-(11+422)=780-337+786=282+174+583=480-462=186×7=381+116+123=76×2+431=945+66-318=453×2-589=121×(260-257)=387-70-172=320-(459-268)=70+253+589=500-(265+144)=99×8=944-(624+229)=162+19-176=359+236+141=155+279=464-174=745+855-784=804+(573-519)=871-(182+607)=665-(237+268)=289+203×2=452-346=195×5=65×2+377=132-(264-239)=386+107+317=61+(314-31)=944+820=395-337+197=24×(487-478)=4/7-1/7=6/10-3/10=251-142+30=198+120=715-316=150+246=476×5-946=228+675=219-(421-238)=994+887=449-288=612-(332+116)=702-406+664=497-338=216+(956-610)=671-236×2=447-125×3=284-(467-418)=348-334+126=385-41×5=388-354=136+537+699=82+170+34=305+(492-90)=158×(449-445)=389+36+24=675+653-445=631-607+828=184×5=44+373+317=172-(244-107)=369×6-366=174-(37+58)=900-103×6=371×8-595=761-346=349×3-195=135-14=290-179-39=677-(937-336)=114×(410-404)=125×9=632+620-943=656-404=359-14×8=221-106=345+336+116=975+(553-479)=133+137=5/8-2/8=196-(351-281)=443+247+58=483-111×2=142+202=348-(392-64)=1/5+4/5=308-88=28×(146-138)=73×5=179+917+581=888-(178+432)=125-(153-123)=472-243+168=167+150×5=132+35=213-39×5=347+(338-43)=469-(169-150)=860-566=116+104=368-23-97=391-(364-90)=408+43-381=412-309=473-280=315-83+175=498-12-144=103×(224-220)=399+(310-46)=455×(112-106)=34+235-218=681-203-30=60+270+639=545-322+750=125×7-441=82+99-177=477+85-395=494-343-23=72-(497-430)=784+(803-52)=596×(966-961)=121×8=86+(453-406)=347-(747-737)=471-(263+164)=488-173×2=477+105-350=864-62+939=233×4-491=997-(398+430)=850-(566-334)=449+(140-114)=200-83×2=366×2-190=669+(303-66)=42×(317-309)=845-(886-566)=497+81+725=909+564=552×5-569=541+657-733=477-138-193=457-(163+166)=577-279+721=334-11×7=443-255=787-488=637+884+107=703+21+966=834-444-86=835+84×2=302-15-142=453+(692-682)=4/9-1/9=152+70=337-333+117=648-(159+402)=735+649+562=118×4-137=195+(488-53)=470+102×7=2/6-1/6=460-107×2=200+443+197=277-25×2=163+238-322=468+(219-17)=364-(544-408)=908-823+237=281-104-66=543+(802-626)=540×7-630=100×(448-441)=114×2=417-(462-214)=116+272=420+(375-366)=451-103×3=178×3-336=619-(730-285)=36×(245-242)=232+220=209+539=79+737+966=732+(143-74)=61×9+923=769-(248-144)=141+82=368+237=367+(948-270)=660×(322-318)=828-(269+367)=212+175=396-217+178=947+507+44=97×2=189+53+260=158×5-512=189×4-280=45×(139-131)=327+89-328=73×9=62×4=1/6+4/6=856-(933-145)=914-(754-97)=247×2=812×8-300=207×4=275-27×5=968+34×9=2/10+4/10=894-402-215=966-289+707=472-(133+99)=747-68×8=318-22-217=226×3-190=374+189+150=473-174+947=925-44×8=694-(249+15)=106+179-214=642-(384-129)=161+129-211=312+139-90=837+937+544=533+140=273+134×3=51×9+983=354×7=87×2=314-13-19=475-(141+308)=809×(998-990)=78×6+377=198+191+191=417×(475-467)=194+(338-118)=743+647-630=84×(297-288)=193+(104-23)=12×(277-268)=883-454-349=666-(435-289)=633-27×7=940+684-53=57×(220-211)=410-(71+238)=357-(441-191)=486-102×2=495-(346+21)=487-404=169×5=473-19-319=51×9-136=270×3=293×(410-406)=221-196=3/6-1/6=974+646-482=168-81×2=411-351=82+243-205=597-(363+25)=420-163+236=262-219=340-187=175+(455-317)=203×3=469-365+56=465-379+137=384-261-52=79×5=896-35×2=550-254=98+(550-54)=680×(292-289)=523-(212-15)=98×6+182=45×(379-371)=921-457-259=431+50-197=405+988-987=672×4-559=226+52×8=55+142=59×2+218=378+136×2=15-(278-275)=227+69=910+270-780=65×(15-10)=224×2=801-24-570=655-(680-637)=192+(387-89)=791×(711-704)=498×(786-778)=146×(425-421)=272+55+290=197-55+263=282×4=611-29-178=926-24-219=409-37×5=561×(856-850)=527+938=602×2=469-51=988-321+455=303-270+88=481+195=713×6=472-136-214=83×5=2/9-1/9=158+119-190=332-(25+297)=570-324=318×2-150=71×7-432=192-71=906×2=474-356-115=337×2+170=164+740+52=131×(106-103)=251×4-281=456+165+124=471+13-130=408-(224+99)=216×4=900-75×3=765+(733-631)=496-(74-38)=389×(55-50)=108×9=112+(489-160)=706+149=358-123=207+114-107=67+221=398-109+498=222×(25-22)=337+150=385+38-414=808-(684-387)=218×(584-578)=463×2-158=178+143+211=300-(512-244)=168×2+435=15+59+167=180+120×2=617+950-271=234×3=214+93-197=411-92×4=288×2+121=129-22×3=498-304-152=808+10-700=114×(198-190)=412-106×2=913-(166+474)=683-270+732=42×4+685=630+150-225=120+760+80=459-58×2=172+108-112=312+134=851-(404+183)=524+(851-62)=159×2+256=1/7+5/7=564-136×2=908-(636+207)=442-(71+77)=30+265-120=772×7-546=828×8=203-181+919=181×(203-198)=162×8=364+493-334=788-13×2=591×8=535-(87-20)=747×(652-647)=961-393-463=1/5+2/5=61-16=232+(222-215)=6/8+2/8=102×7-604=624×(188-185)=785+452=204×(243-236)=52×(85-82)=386-114-207=426-(143-79)=222×7-795=274+(375-255)=322-(109+83)=194+268-271=400-95×4=711-517=101+461=13+(401-195)=494-(190+296)=242×6-186=146×6-412=371+376-372=385-(33+291)=788+891-591=662-(286-176)=480-126×2=60×4+678=927+108×7=806+395-365=239-75-116=417-(411-154)=104+353+342=311-284=98+385=126+61=289×3+672=86×9-186=129×7+353=92×(379-373)=429-34-135=446-34-106=205+402+352=138×6+797=192×2=191-33×2=773+36×3=71+94=672+(628-272)=279-157=539-363=847-805=108×2=6/8-2/8=462×(391-384)=164-158+469=463+779+174=4/8-2/8=500×3=700-195-371=878-336-257=767+247-490=911+521=382+(298-228)=551×6-137=1/4+2/4=86+357-277=148+247-241=349-170×2=484-338+14=316-(27+174)=405-(91+161)=924-446=492-139-251=356-(342-261)=167-(20+52)=332-261=455+24×2=188+113=76+364-337=852-173×2=80+298+626=517+845=393-166-219=879-188-601=102×5-306=155×(384-381)=380-73+168=857-(483+309)=124+237=895-(773+95)=920-601-295=660-(130+370)=966-(123+39)=883+646=462-165-234=56+569+236=796-353-434=297-19×5=187-(334-220)=392-113+86=681-40-60=37+81=101×5-49=116×4+12=435-96=471-445+84=1/6+5/6=316+46×2=1/6+3/6=593×(590-585)=321-27×5=142+68×8=417+823-77=773-(23+82)=775-(167+565)=986-235×4=185-21×7=110+290+565=36×9=455-(437-12)=221+(287-216)=135×3=880×4=822-509=136×(17-10)=436+17-230=283-82+246=416-326=451-100=999-(87+211)=703+197+282=181-53×3=366+22×2=962-(507+438)=880×(455-447)=238+63=209+872-292=497-(466-83)=24+(238-142)=878+(889-723)=384×5-71=892+984+369=294-221+163=575+194×5=865+451+355=504+743-875=956-781=43+697+152=639-406-36=602+42+119=722×6=495-129×3=835-116+58=287-23×4=148-30×3=47×8+80=60+10+540=984+147-768=916+571-727=59×2+81=49+(496-243)=246×2-44=667×8-968=380-31×6=276-(241-211)=759-(15+700)=224×(436-429)=418-(106+283)=462-(160+92)=408-(284+72)=87×7+613=179×6=140×2+195=939-425-273=82×2+74=900-46+11=422-99×2=353+21×5=785+910-640=205+(274-102)=534+262-451=231-18×5=653-166=878+696-574=298-(40+31)=453-(406-64)=28+217-179=402+78+11=146+36×7=374-63×4=802×8-700=140+11×4=467-69-307=254×5=992+147+155=137×9=26+14=371-(284-193)=727+719+984=134×4=474×2-611=70×6=462+87×3=449×2=732-526-97=171+451=277+93=176-79-10=352+(963-771)=88-34+113=614-116=54×(114-110)=713+(238-99)=422-90-200=417-137-276=839-443=385-(142+232)=492×2-252=496+459-942=315-52-135=718+(692-127)=993-573-304=265-(388-306)=120+676+121=353×(997-989)=16+200-94=237+(974-559)=360-10×9=593-55-331=168×2=411-275-16=195×7=343×2=353×2-288=30+192×2=70+407=659-(184+361)=325+(453-244)=449×3-568=595+(510-309)=230×4-249=170+305=108+212=496-451+362=244+97+40=247+175×3=114+350=655+52+211=112×7-775=909-(329-281)=360-(209+147)=209+549+68=142+(735-647)=83×6+529=156×5+220=480+981=312+(113-103)=407-(111+258)=435+209+726=958-633+680=418-206-125=87+339=170×2-56=821-167×4=參考答案373×2-476=270308-114=194930-68-637=225373-(450-380)=303576+134=71012+(219-83)=14832+88=120964+(851-848)=967498-338=160559+23+241=823670-304=366185+297=482657+985+510=2152111-73+307=345172×5-181=679863-207=656762-(665-530)=627247×(98-94)=988135-(120-45)=60309+820=1129353×2=706525-106+144=56389×9-77=724225+(176-120)=281880-101×6=274228×(123-119)=912193×(929-925)=772528×5-932=1708367+69=436529×(339-334)=2645787-50×8=387844-96+936=1684666-94×5=196916×(576-568)=7328684×4-614=2122514+(597-55)=1056583×3-794=955620+454=1074408-(203+22)=183332-255+171=248395-(193+81)=121827+17+670=151467×3=201134+386×2=90611+94+126=231790-(648-391)=533670+87×4=1018412+64+143=619580-154=426406-(58+162)=186535-99=436287×(292-285)=2009932-236-147=549917-(51+804)=62314×2-393=235492-486+126=132407×2+221=1035916-(951-434)=399173-118+759=814990-(413-337)=914362-(263-75)=1743/8+2/8=5/8435-(380+18)=37315+(302-280)=337418-316=102338+(378-77)=639138×(163-156)=966262-(638-450)=74337×2=674402-(405-294)=291349-75+93=367651-(339+127)=185293×3+331=1210387+160×4=1027411-344=67180-179+688=689345+(688-74)=959483-41×2=401248+131=379352-55×6=22366-31×5=211487+(780-500)=76775×5-238=137908-868+839=87955+128=183342×(949-940)=3078127+(147-95)=179972-(358-250)=86434+817+322=1173663×7=464166×5=3302/6+3/6=5/6908-(234+64)=61077-65=12857-444-140=273456-175=281736×2-612=860250×3+331=1081910-123-649=13874×2+995=114376×8+167=775995-224×3=3232/10+5/10=7/10214-(147-92)=15972+407-33=446390×2=780479-200+61=340551×5-220=2535246×3-90=648208×(44-41)=624505-310+707=902422-(418-48)=52186+888=107471+335-169=237150+113×5=715127×(967-962)=635925-565+930=1290452-(275-155)=332313×3=939832×7=5824153×3-369=90928-(769-209)=368170+79=249724-313+284=695272-216+173=229175+283-270=188881+944-204=1621214+29×4=330192-(184-92)=100468-58-104=306827-(815-409)=421298-286+350=362355-142+79=292681×(167-159)=5448484-450=34211+(603-524)=290300-72×3=8461+323-142=242246-67-125=54211-110-34=67117+123-16=224537-472+702=767304+253+471=1028237+620+806=1663706+24×9=922712-173-183=356211×3=633839-(338+475)=26101×8+52=860335-19=316414×5-33=203754×6=324222-203=19173-45+244=3722/4-1/4=1/497+37=134448-(198-183)=433224×9=2016861-(71+156)=634211+(363-260)=314412+82=49493×(147-139)=744490-65×2=360608+33×2=674414×2-625=203612-67×9=9691+(341-26)=1006242-101-67=74113×(182-177)=565996+(651-548)=1099784-60-675=49444×2-790=9855×(152-147)=275936-95×5=461849×6=5094417-322=95401+52×5=661382-184-163=3577+22+526=6253/10-2/10=1/10446-(185+171)=902/5-1/5=1/5459-221=238433×2-747=119609-133+282=758163×5-114=701442-(284+38)=120776-71×9=137129+(84-81)=132384-53+877=1208300×2=600462-(176+143)=14330+(352-342)=40519+712+559=1790656-25+43=674833×2-161=150569×(423-420)=207621-132+924=1413436-143+148=441413-42×5=203792+(89-18)=863739-569=170356-20=336494-(11+422)=61780-337+786=1229282+174+583=1039480-462=18186×7=1302381+116+123=62076×2+431=583945+66-318=693453×2-589=317121×(260-257)=363387-70-172=145320-(459-268)=12970+253+589=912500-(265+144)=9199×8=792944-(624+229)=91162+19-176=5359+236+141=736155+279=434464-174=290745+855-784=816804+(573-519)=858871-(182+607)=82665-(237+268)=160289+203×2=695452-346=106195×5=97565×2+377=507132-(264-239)=107386+107+317=81061+(314-31)=344944+820=1764395-337+197=25524×(487-478)=2164/7-1/7=3/76/10-3/10=3/10251-142+30=139198+120=318715-316=399150+246=396476×5-946=1434228+675=903219-(421-238)=36994+887=1881449-288=161612-(332+116)=164702-406+664=960497-338=159216+(956-610)=562671-236×2=199447-125×3=72284-(467-418)=235348-334+126=140385-41×5=180388-354=34136+537+699=137282+170+34=286305+(492-90)=707158×(449-445)=632389+36+24=449675+653-445=883631-607+828=852184×5=92044+373+317=734172-(244-107)=35369×6-366=1848174-(37+58)=79900-103×6=282371×8-595=2373761-346=415349×3-195=852135-14=121290-179-39=72677-(937-336)=76114×(410-404)=684125×9=1125632+620-943=309656-404=252359-14×8=247221-106=115345+336+116=797975+(553-479)=1049133+137=2705/8-2/8=3/8196-(351-281)=126443+247+58=748483-111×2=261142+202=344348-(392-64)=201/5+4/5=1308-88=22028×(146-138)=22473×5=365179+917+581=1677888-(178+432)=278125-(153-123)=95472-243+168=397167+150×5=917132+35=167213-39×5=18347+(338-43)=642469-(169-150)=450860-566=294116+104=220368-23-97=248391-(364-90)=117408+43-381=70412-309=103473-280=193315-83+175=407498-12-144=342103×(224-220)=412399+(310-46)=663455×(112-106)=273034+235-218=51681-203-30=44860+270+639=969545-322+750=973125×7-441=43482+99-177=4477+85-395=167494-343-23=12872-(497-430)=5784+(803-52)=1535596×(966-961)=2980121×8=96886+(453-406)=133347-(747-737)=337471-(263+164)=44488-173×2=142477+105-350=232864-62+939=1741233×4-491=441997-(398+430)=169850-(566-334)=618449+(140-114)=475200-83×2=34366×2-190=542669+(303-66)=90642×(317-309)=336845-(886-566)=525497+81+725=1303909+564=1473552×5-569=2191541+657-733=465477-138-193=146457-(163+166)=128577-279+721=1019334-11×7=257443-255=188787-488=299637+884+107=1628703+21+966=1690834-444-86=304835+84×2=1003302-15-142=145453+(692-682)=4634/9-1/9=3/9152+70=222337-333+117=121648-(159+402)=87735+649+562=1946118×4-137=335195+(488-53)=630470+102×7=11842/6-1/6=1/6460-107×2=246200+443+197=840277-25×2=227163+238-322=79468+(219-17)=670364-(544-408)=228908-823+237=322281-104-66=111543+(802-626)=719540×7-630=3150100×(448-441)=700114×2=228417-(462-214)=169116+272=388420+(375-366)=429451-103×3=142178×3-336=198619-(730-285)=17436×(245-242)=108232+220=452209+539=74879+737+966=1782732+(143-74)=80161×9+923=1472769-(248-144)=665141+82=223368+237=605367+(948-270)=1045660×(322-318)=2640828-(269+367)=192212+175=387396-217+178=357947+507+44=149897×2=194189+53+260=502158×5-512=278189×4-280=47645×(139-131)=360327+89-328=8873×9=65762×4=2481/6+4/6=5/6856-(933-145)=68914-(754-97)=257247×2=494812×8-300=6196207×4=828275-27×5=140968+34×9=12742/10+4/10=6/10894-402-215=277966-289+707=1384472-(133+99)=240747-68×8=203318-22-217=79226×3-190=488374+189+150=713473-174+947=1246925-44×8=573694-(249+15)=430106+179-214=71642-(384-129)=387161+129-211=79312+139-90=361837+937+544=2318533+140=673273+134×3=67551×9+983=1442354×7=247887×2=174314-13-19=282475-(141+308)=26809×(998-990)=647278×6+377=845198+191+191=580417×(475-467)=3336194+(338-118)=414743+647-630=76084×(297-288)=756193+(104-23)=27412×(277-268)=108883-454-349=80666-(435-289)=520633-27×7=444940+684-53=157157×(220-211)=513410-(71+238)=101357-(441-191)=107486-102×2=282495-(346+21)=128487-404=83169×5=845473-19-319=13551×9-136=323270×3=810293×(410-406)=1172221-196=253/6-1/6=2/6974+646-482=1138168-81×2=6411-351=6082+243-205=120597-(363+25)=209420-163+236=493262-219=43340-187=153175+(455-317)=313203×3=609469-365+56=160465-379+137=223384-261-52=7179×5=395896-35×2=826550-254=29698+(550-54)=594680×(292-289)=2040523-(212-15)=32698×6+182=77045×(379-371)=360921-457-259=205431+50-197=284405+988-987=406672×4-559=2129226+52×8=64255+142=19759×2+218=336378+136×2=65015-(278-275)=12227+69=296910+270-780=40065×(15-10)=325224×2=448801-24-570=207655-(680-637)=612192+(387-89)=490791×(711-704)=5537498×(786-778)=3984146×(425-421)=584272+55+290=617197-55+263=405282×4=1128611-29-178=404926-24-219=683409-37×5=224561×(856-850)=3366527+938=1465602×2=1204469-51=418988-321+455=1122303-270+88=121481+195=676713×6=4278472-136-214=12283×5=4152/9-1/9=1/9158+119-190=87332-(25+297)=10570-324=246318×2-150=48671×7-432=65192-71=121906×2=1812474-356-115=3337×2+170=844164+740+52=956131×(106-103)=393251×4-281=723456+165+124=745471+13-130=354408-(224+99)=85216×4=864900-75×3=675765+(733-631)=867496-(74-38)=460389×(55-50)=1945108×9=972112+(489-160)=441706+149=855358-123=235207+114-107=21467+221=288398-109+498=787222×(25-22)=666337+150=487385+38-414=9808-(684-387)=511218×(584-578)=1308463×2-158=768178+143+211=532300-(512-244)=32168×2+435=77115+59+167=241180+120×2=420617+950-271=1296234×3=702214+93-197=110411-92×4=43288×2+121=697129-22×3=63498-304-152=42808+10-700=118114×(198-190)=912412-106×2=200913-(166+474)=273683-270+732=114542×4+685=853630+150-225=555120+760+80=960459-58×2=343172+108-112=168312+134=446851-(404+183)=264524+(851-62)=1313159×2+256=5741/7+5/7=6/7564-136×2=292908-(636+207)=65442-(71+77)=29430+265-120=175772×7-546=4858828×8=6624203-181+919=941181×(203-198)=905162×8=1296364+493-334=523788-13×2=762591×8=4728535-(87-20)=468747×(652-647)=3735961-393-463=1051/5+2/5=3/561-16=45232+(222-215)=2396/8+2/8=1102×7-604=110624×(188-185)=1872785+452=1237204×(243-236)=142852×(85-82)=156386-114-207=65426-(143-79)=362222×7-795=759274+(375-255)=394322-(109+83)=130194+268-271=191400-95×4=20711-517=194101+461=56213+(401-195)=219494-(190+296)=8242×6-186=1266146×6-412=464371+376-372=375385-(33+291)=61788+891-591=1088662-(286-176)=552480-126×2=22860×4+678=918927+108×7=1683806+395-365=836239-75-116=48417-(411-154)=160104+353+342=799311-284=2798+385=483126+61=187289×3+672=153986×9-186=588129×7+353=125692×(379-373)=552429-34-135=260446-34-106=306205+402+352=959138×6+797=1625192×2=384191-33×2=125773+36×3=88171+94=165672+(628-272)=1028279-157=122539-363=176847-805=42108×2=2166/8-2/8=4/8462×(391-384)=3234164-158+469=475463+779+174=14164/8-2/8=2/8500×3=1500700-195-371=134878-336-257=285767+247-490=524911+521=1432382+(298-228)=452551×6-137=31691/4+2/4=3/486+357-277=166148+247-241=154349-170×2=9484-338+14=160316-(27+174)=115405-(91+161)=153924-446=478492-139-251=102356-(342-261)=275167-(20+52)=95332-261=71455+24×2=503188+113=30176+364-337=103852-173×2=50680+298+626=1004517+845=1362393-166-219=8879-188-601=90102×5-306=204155×(384-381)=465380-73+168=475857-(483+309)=65124+237=361895-(773+95)=27920-601-295=24660-(130+370)=160966-(123+39)=804883+646=1529462-165-234=6356+569+236=861796-353-434=9297-19×5=202187-(334-220)=73392-113+86=365681-40-60=58137+81=118101×5-49=456116×4+12=476435-96=339471-445+84=1101/6+5/6=1316+46×2=4081/6+3/6=4/659