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792+515-665=347-(214+112)=62×4=892-242-527=269×2+176=473-324=316-54×5=383-77+15=408+322=398-(446-205)=79-12×5=316-200=334-220=437×3-942=790×6=615-(62+236)=457-(462-315)=369+(460-59)=362+13×6=812-30-343=231×(83-79)=970+(735-605)=41×(487-482)=3/8+2/8=193×(394-391)=985-578-398=911+24+42=186×3+359=99×6-296=472+65+241=574×(289-284)=110+171×4=346-(160+159)=552-259-185=414+237=256×(345-342)=917+(881-498)=923-513-10=50×7=205×3=95×(285-282)=617-557+729=448-(396+15)=367-340=871×(800-791)=64+243=460-(88+348)=310×5=246-12=147×2=989-297×3=71×5+14=343-129-132=431-204×2=122-(103-25)=657+138+92=119+62-175=113+23=198+117=404-102×3=156×5-238=69+(980-666)=542×9-598=467-397+77=870-(187+599)=18×9+357=930-(565-348)=675+328-356=730×4=2/6+3/6=124+749-366=112+16×4=121×5=604-227-316=395+(842-370)=166+235=565+474-516=56+(470-392)=217+158-347=952-(420+21)=417-(112+119)=683-154=128×7+634=513+945=429-(31+395)=87+(697-495)=430×2+420=323-121-64=172×(449-444)=136×(67-61)=577-93×3=193×(200-196)=215×3-24=407-192+142=58×8=196-(64-15)=158×(143-140)=781×4-50=466-30-69=5/8-1/8=141×(199-193)=278+(391-335)=194×(677-673)=37+(263-156)=318+36+596=151×5=137×7-774=429-126-33=787-69×6=933-683+549=475×6=60×7+150=158×(312-309)=495-(247+45)=728×9-997=329-47+162=449-361+372=263-220=128×3=807-66×8=263+148=933-(535+271)=169+(340-178)=254×3=186+179=280+154-321=113×(120-115)=504-(919-866)=418-(106+55)=363+39×7=833-645+632=714-(154-32)=123+571=931-39-555=353-270=216×4=62+39-16=893×5-214=170+(277-77)=399+254+252=57+81-104=698-276-396=489-185=984+231+106=963-(141+410)=251×6=495-211×2=57+157+674=85-69+44=138+35=614-153×2=368-43×6=850-96×2=207-(360-280)=627-606+489=705×6-761=57×6=216+(456-72)=147+757+784=351×8=303+781=632×(930-926)=443+152=230×3=347-164+134=228×4-417=2/6-1/6=417-23×6=48+140+246=882-807=3/5-1/5=5/6-1/6=296+(590-170)=720×(408-405)=294+65-172=177+175-249=823×6-959=190+52-105=159×8=225×4=131×(299-290)=326+278+210=764-501-91=372-61=982+501-648=620+840+264=441-399=154-125+71=79×7=463-451=180+108=758-(438+298)=71+747-346=99+387-366=153+(362-100)=139+106=708-224×3=319-44=662-29=797+962=368-255-87=470-(308+150)=171×(479-474)=64-34=471-58-18=380-346+191=315×3-403=799-(950-404)=469-(336-240)=3/5-2/5=835+603-999=242-73×3=874+692+194=246-27×9=482-(109+162)=318+882+402=358+101×2=794×2=330-13×3=394-(90+259)=240-(312-96)=401-169+89=641+616+823=805-163-201=498+316×3=3/7-2/7=437-415+160=643-193×3=935×5=714-(563-223)=1/6+2/6=167+984-860=425-148-14=909×(228-219)=226+248=629-91+50=756-232×2=629+216=84×9-614=698-498-162=383+73+323=458+97×7=390-132-52=850×7-771=20×8=942-114×7=246×4+543=907-291×2=198-127+32=205-49=270+459+678=75×6+473=649×(575-571)=87-48+510=500-304-126=708+201-83=60+(323-71)=59×9=365-(342-106)=250-(52+91)=826-226=109+(255-57)=703-(109+587)=860-(525-341)=387-72×4=495-(70+250)=245+(378-44)=159-(401-347)=165-35+55=143×4+42=503+130+322=256-(890-737)=764-(513-95)=10+(660-344)=294×8-332=173+(369-196)=415+222=467-262-60=452-(130+162)=667-(278+302)=744-742+330=773+57×2=380-122+128=262×2+89=426+81×3=709+949-112=448×9-222=698-576+351=528-(483-458)=432×2-74=228+121+927=757-287-450=791+144×6=735-258=564-(708-353)=4/8-2/8=96+365+504=109+375-342=137+82-34=594+(827-806)=203-13+372=121+227+80=303-247=125+(338-29)=237+69=470-337=403×2-371=695-108×2=720-(993-477)=2/4-1/4=317-(305-115)=395-38×7=1/5+3/5=301+88-323=105+220-149=512×8=544-(938-853)=66×4=73+444-356=806×(941-938)=440-411=223-(178+22)=54+(500-45)=400-243=152×(424-421)=117-47=134×2-135=740×(801-797)=857-719=36+102=737-(358+308)=897-(284+401)=268+214+980=822-572+343=474×9=16×8+294=77×(174-166)=32+77×2=933-892=801+623+447=873-47-136=593+437+173=133-25-76=392-224+631=105-24-28=199×9-225=146×5-529=507-269=323+159=959-492-102=17+234×3=434-260-119=243-96×2=15+306+328=580-192×3=804+401×2=349+(496-368)=14×2=122+295=113×(416-410)=470+906=10+132-141=172×8=924+17+480=49×(176-167)=104+427×2=371-(167+180)=459×2-655=381-91×2=463-(95+136)=332-(366-192)=432-44×4=626-(117+452)=792-153×4=324-(96+211)=356+611-76=404×2-114=821-130+819=2/5+3/5=745-(143+174)=156-118+101=19+265×3=355+(486-129)=154+89=389-(126+238)=98-82-13=274-(123+87)=894-201+244=343+124×2=35×3+188=136-(498-480)=393+304=948-208×2=318-111+547=420-107=85+78×2=2/7+4/7=131+259=85+43+365=488+(313-190)=438-(996-634)=1/8+6/8=322+88=768-(952-629)=484-24+23=161+209+329=763-70×9=236×4-556=394+(351-162)=438+488+40=691-63×5=938-(580+189)=392-47×7=148×7-105=645+(783-533)=280×(917-908)=311×3-451=264-163+195=211+561+176=201-(488-434)=690+(601-327)=847-554=208+199-175=150-22-13=933-459-369=747+495-349=449-385-32=342-158-109=141×5=29+32×5=748-(453+281)=533-(517-353)=193+784=336-(339-116)=877+810=499-161=695×9-706=490-144-30=162×4+467=890×(531-525)=942-818-100=997×2=252+(173-156)=397+(81-13)=158-11×7=198×2-261=239-69+146=230+214=168+107=79×7-461=231-(483-417)=317×6-697=471-(371-276)=321-29=441-(73+118)=939+(462-324)=809×9-905=487-379-15=919+(538-498)=209-11=893+563-514=326+378×2=167×3=254×3-211=451-15×8=475-(215+98)=205+181=185-80+307=351-146=503-11×6=60+427-299=486+(444-315)=576×(898-895)=54+51+63=454+(418-99)=6/10+4/10=875-102-33=486-66-42=730-289×2=382-118=979-600+720=923-123+732=267-64×4=70+142=123+29×2=32+594+200=108+(619-495)=500×(310-307)=15×2=170×6-119=307+(930-32)=168-97=258+196-211=725+812+968=129×4-409=94+176+227=468-401+264=403×4-438=116-(394-361)=409-(44+202)=38+(983-725)=257-183=83×(219-213)=231-(441-230)=733+179×4=269-147=51×9+329=997-775+779=339×2-47=73×4-257=775×5-611=356-135=485-267+90=964×(267-264)=154×(227-221)=459-107×3=263×2-460=10+123-81=259+855+114=97×3-15=650-130×5=729+972-20=343×2-265=333-(329-248)=501×6=96+264+844=72×(192-186)=658+541+526=627+262=814×5-693=427-271=32+(469-37)=828×4-865=919-(511+267)=22+869-144=277×3=484-70+13=122+672=22+(169-168)=229+56-107=530-28×6=257+178×3=238×(570-567)=660-368=82×(53-45)=785-(618-192)=880-384×2=442-145=237+138-12=423+261+122=509-273=37-18=68+121+356=5/8+2/8=503+22×2=555×5-62=40×(75-69)=441-435+219=497-(317-165)=62×5+457=533+413=623×(557-554)=293×6-841=984+51-698=549-166=452-(257+70)=553-53×5=97×(468-461)=952-(641-562)=553-(320+173)=228+218×2=423-77×4=478-67-171=136+500-624=102+315-142=63×9-407=305+190-24=744-504=280-(89+97)=251-29×2=848+525+575=40×(234-225)=500+389-302=518-(709-207)=60-(327-321)=421-236+187=7/10-1/10=908-(614-479)=63+291-235=357-182-112=132+289+345=284×(362-359)=741-(752-298)=455-58×2=233-35×3=251-143+116=54+344-296=2/3-1/3=499+711+517=6/8-1/8=762×7-26=214+277=16+399-304=259+206=435+(431-171)=140+183=175+127=193-86+287=706×(65-56)=529×8=280+232×3=241×2=137×6=213×(714-706)=659×(137-134)=216+106×2=403+28+91=487-(347+53)=525×8=735×7=395-187×2=460×2+26=411-(126-31)=322×2+937=154×4=431-77+75=464-145×2=846-(746-634)=182-28×6=257×7=446-(174+217)=406-(142+14)=858-(453-277)=144+209-323=891+528-367=311-92=88+(338-148)=498-305-90=404+41×3=821-221=92×4=527+993+135=10×(174-169)=986-(963-115)=146+40-26=88×(179-174)=473+293+676=365-(77+103)=229-17×7=907+41+793=481-(64-11)=340-13=800+(845-229)=71×(406-397)=118+(450-254)=351-327=401-248=901-(748-54)=657+62×2=698+179+877=360-(267+58)=61×2=603-(677-164)=466-25=562-155-214=299+(428-309)=450-305+185=887-(684-85)=929-505+193=159+(849-21)=119+387-497=52×4+71=237+133×3=86+654+155=511-152-166=153×5+939=131×3+352=67×6-304=205+301=407×(21-12)=635-326=318+(271-211)=665+127+78=385-14×4=324+110=162+38=927-18+149=252-(90+17)=669-362+152=949×(732-727)=668-55=952-155-769=486-334-16=83×6-364=481-(136-127)=10×7=874+664-483=311+(384-201)=3/9-1/9=24×5+434=403+255-426=879-(96+512)=44×(435-428)=670+(722-318)=837-(420-168)=379-48×7=126+317=382+827-308=248-210-38=221-72×2=95×4=716-315+357=184+(637-602)=432-314+159=190+533-684=845×8=385×(589-583)=741×3-248=958-(623-622)=996-471=369-59-177=406×2-812=433×2=250-58-104=946+922=442+(294-110)=63+(161-65)=26×9+746=932+557+180=160+638+414=217-(387-264)=278×(70-67)=402-(20+48)=173+183+25=84×9=94+495+382=226-74+62=200×2+419=981-229-749=413+752-285=249×5=122×2+357=160-152+339=882+(728-436)=281×3+761=402×2-592=783+173+43=242+(901-455)=403-78×3=759+931-701=330+230=443-324-92=902-(300+49)=48×(464-461)=183×7=18×4=847-282-198=106+226=447×9-843=552×(812-809)=85+(383-156)=479-194-153=855×(738-732)=326-173-75=273-(321-154)=965-582-213=362-(236+102)=122×5-178=549+755+66=793-(274+485)=46+422+288=429-85-313=543+388-204=563-26×4=60+648-511=51×4-42=828-(928-284)=242-133=92+40-94=191-46×3=1/5+2/5=136-(378-247)=29+139-60=238×2=249+119+131=414+119+435=300-(220-211)=105-13×3=231×4-698=725-371+262=931-365=100×3=375-202=367-350=367×(560-552)=560-519+552=798-633+518=861-(524+32)=572-212-195=49×(403-395)=321-(47+184)=565-306-147=240×4+74=480-194-159=32+136=601×3=112+45+101=470-177+90=46+219=409-(16+376)=881-(704+155)=208+176=147-(498-431)=127×2+360=171+(496-245)=377+330=544×2-384=445-23×4=160+(241-229)=174+407=427+(750-226)=125-116+136=127+200×2=92×5=487-(124+235)=351×6=693-677+999=343×(367-359)=988-(467+373)=178+32+602=3/6+2/6=447-(498-496)=83×7+128=81+217=694+(986-47)=472+(469-185)=428-(199+130)=110+167=481-140-31=384×2=357-42-214=50×4-74=929-814=752+(923-892)=251+174=21+46=107×(400-394)=154-86+175=998-146=770-(376+365)=183+23-15=317-(194-75)=943+161=260-57+551=194×4-118=149×5=426-76×4=492+194-219=817-442-265=63×7+219=1/8+3/8=117+636=146+106+607=327+150=参考答案792+515-665=642347-(214+112)=2162×4=248892-242-527=123269×2+176=714473-324=149316-54×5=46383-77+15=321408+322=730398-(446-205)=15779-12×5=19316-200=116334-220=114437×3-942=369790×6=4740615-(62+236)=317457-(462-315)=310369+(460-59)=770362+13×6=440812-30-343=439231×(83-79)=924970+(735-605)=110041×(487-482)=2053/8+2/8=5/8193×(394-391)=579985-578-398=9911+24+42=977186×3+359=91799×6-296=298472+65+241=778574×(289-284)=2870110+171×4=794346-(160+159)=27552-259-185=108414+237=651256×(345-342)=768917+(881-498)=1300923-513-10=40050×7=350205×3=61595×(285-282)=285617-557+729=789448-(396+15)=37367-340=27871×(800-791)=783964+243=307460-(88+348)=24310×5=1550246-12=234147×2=294989-297×3=9871×5+14=369343-129-132=82431-204×2=23122-(103-25)=44657+138+92=887119+62-175=6113+23=136198+117=315404-102×3=98156×5-238=54269+(980-666)=383542×9-598=4280467-397+77=147870-(187+599)=8418×9+357=519930-(565-348)=713675+328-356=647730×4=29202/6+3/6=5/6124+749-366=507112+16×4=176121×5=605604-227-316=61395+(842-370)=867166+235=401565+474-516=52356+(470-392)=134217+158-347=28952-(420+21)=511417-(112+119)=186683-154=529128×7+634=1530513+945=1458429-(31+395)=387+(697-495)=289430×2+420=1280323-121-64=138172×(449-444)=860136×(67-61)=816577-93×3=298193×(200-196)=772215×3-24=621407-192+142=35758×8=464196-(64-15)=147158×(143-140)=474781×4-50=3074466-30-69=3675/8-1/8=4/8141×(199-193)=846278+(391-335)=334194×(677-673)=77637+(263-156)=144318+36+596=950151×5=755137×7-774=185429-126-33=270787-69×6=373933-683+549=799475×6=285060×7+150=570158×(312-309)=474495-(247+45)=203728×9-997=5555329-47+162=444449-361+372=460263-220=43128×3=384807-66×8=279263+148=411933-(535+271)=127169+(340-178)=331254×3=762186+179=365280+154-321=113113×(120-115)=565504-(919-866)=451418-(106+55)=257363+39×7=636833-645+632=820714-(154-32)=592123+571=694931-39-555=337353-270=83216×4=86462+39-16=85893×5-214=4251170+(277-77)=370399+254+252=90557+81-104=34698-276-396=26489-185=304984+231+106=1321963-(141+410)=412251×6=1506495-211×2=7357+157+674=88885-69+44=60138+35=173614-153×2=308368-43×6=110850-96×2=658207-(360-280)=127627-606+489=510705×6-761=346957×6=342216+(456-72)=600147+757+784=1688351×8=2808303+781=1084632×(930-926)=2528443+152=595230×3=690347-164+134=317228×4-417=4952/6-1/6=1/6417-23×6=27948+140+246=434882-807=753/5-1/5=2/55/6-1/6=4/6296+(590-170)=716720×(408-405)=2160294+65-172=187177+175-249=103823×6-959=3979190+52-105=137159×8=1272225×4=900131×(299-290)=1179326+278+210=814764-501-91=172372-61=311982+501-648=835620+840+264=1724441-399=42154-125+71=10079×7=553463-451=12180+108=288758-(438+298)=2271+747-346=47299+387-366=120153+(362-100)=415139+106=245708-224×3=36319-44=275662-29=633797+962=1759368-255-87=26470-(308+150)=12171×(479-474)=85564-34=30471-58-18=395380-346+191=225315×3-403=542799-(950-404)=253469-(336-240)=3733/5-2/5=1/5835+603-999=439242-73×3=23874+692+194=1760246-27×9=3482-(109+162)=211318+882+402=1602358+101×2=560794×2=1588330-13×3=291394-(90+259)=45240-(312-96)=24401-169+89=321641+616+823=2080805-163-201=441498+316×3=14463/7-2/7=1/7437-415+160=182643-193×3=64935×5=4675714-(563-223)=3741/6+2/6=3/6167+984-860=291425-148-14=263909×(228-219)=8181226+248=474629-91+50=588756-232×2=292629+216=84584×9-614=142698-498-162=38383+73+323=779458+97×7=1137390-132-52=206850×7-771=517920×8=160942-114×7=144246×4+543=1527907-291×2=325198-127+32=103205-49=156270+459+678=140775×6+473=923649×(575-571)=259687-48+510=549500-304-126=70708+201-83=82660+(323-71)=31259×9=531365-(342-106)=129250-(52+91)=107826-226=600109+(255-57)=307703-(109+587)=7860-(525-341)=676387-72×4=99495-(70+250)=175245+(378-44)=579159-(401-347)=105165-35+55=185143×4+42=614503+130+322=955256-(890-737)=103764-(513-95)=34610+(660-344)=326294×8-332=2020173+(369-196)=346415+222=637467-262-60=145452-(130+162)=160667-(278+302)=87744-742+330=332773+57×2=887380-122+128=386262×2+89=613426+81×3=669709+949-112=1546448×9-222=3810698-576+351=473528-(483-458)=503432×2-74=790228+121+927=1276757-287-450=20791+144×6=1655735-258=477564-(708-353)=2094/8-2/8=2/896+365+504=965109+375-342=142137+82-34=185594+(827-806)=615203-13+372=562121+227+80=428303-247=56125+(338-29)=434237+69=306470-337=133403×2-371=435695-108×2=479720-(993-477)=2042/4-1/4=1/4317-(305-115)=127395-38×7=1291/5+3/5=4/5301+88-323=66105+220-149=176512×8=4096544-(938-853)=45966×4=26473+444-356=161806×(941-938)=2418440-411=29223-(178+22)=2354+(500-45)=509400-243=157152×(424-421)=456117-47=70134×2-135=133740×(801-797)=2960857-719=13836+102=138737-(358+308)=71897-(284+401)=212268+214+980=1462822-572+343=593474×9=426616×8+294=42277×(174-166)=61632+77×2=186933-892=41801+623+447=1871873-47-136=690593+437+173=1203133-25-76=32392-224+631=799105-24-28=53199×9-225=1566146×5-529=201507-269=238323+159=482959-492-102=36517+234×3=719434-260-119=55243-96×2=5115+306+328=649580-192×3=4804+401×2=1606349+(496-368)=47714×2=28122+295=417113×(416-410)=678470+906=137610+132-141=1172×8=1376924+17+480=142149×(176-167)=441104+427×2=958371-(167+180)=24459×2-655=263381-91×2=199463-(95+136)=232332-(366-192)=158432-44×4=256626-(117+452)=57792-153×4=180324-(96+211)=17356+611-76=891404×2-114=694821-130+819=15102/5+3/5=1745-(143+174)=428156-118+101=13919+265×3=814355+(486-129)=712154+89=243389-(126+238)=2598-82-13=3274-(123+87)=64894-201+244=937343+124×2=59135×3+188=293136-(498-480)=118393+304=697948-208×2=532318-111+547=754420-107=31385+78×2=2412/7+4/7=6/7131+259=39085+43+365=493488+(313-190)=611438-(996-634)=761/8+6/8=7/8322+88=410768-(952-629)=445484-24+23=483161+209+329=699763-70×9=133236×4-556=388394+(351-162)=583438+488+40=966691-63×5=376938-(580+189)=169392-47×7=63148×7-105=931645+(783-533)=895280×(917-908)=2520311×3-451=482264-163+195=296211+561+176=948201-(488-434)=147690+(601-327)=964847-554=293208+199-175=232150-22-13=115933-459-369=105747+495-349=893449-385-32=32342-158-109=75141×5=70529+32×5=189748-(453+281)=14533-(517-353)=369193+784=977336-(339-116)=113877+810=1687499-161=338695×9-706=5549490-144-30=316162×4+467=1115890×(531-525)=5340942-818-100=24997×2=1994252+(173-156)=269397+(81-13)=465158-11×7=81198×2-261=135239-69+146=316230+214=444168+107=27579×7-461=92231-(483-417)=165317×6-697=1205471-(371-276)=376321-29=292441-(73+118)=250939+(462-324)=1077809×9-905=6376487-379-15=93919+(538-498)=959209-11=198893+563-514=942326+378×2=1082167×3=501254×3-211=551451-15×8=331475-(215+98)=162205+181=386185-80+307=412351-146=205503-11×6=43760+427-299=188486+(444-315)=615576×(898-895)=172854+51+63=168454+(418-99)=7736/10+4/10=1875-102-33=740486-66-42=378730-289×2=152382-118=264979-600+720=1099923-123+732=1532267-64×4=1170+142=212123+29×2=18132+594+200=826108+(619-495)=232500×(310-307)=150015×2=30170×6-119=901307+(930-32)=1205168-97=71258+196-211=243725+812+968=2505129×4-409=10794+176+227=497468-401+264=331403×4-438=1174116-(394-361)=83409-(44+202)=16338+(983-725)=296257-183=7483×(219-213)=498231-(441-230)=20733+179×4=1449269-147=12251×9+329=788997-775+779=1001339×2-47=63173×4-257=35775×5-611=3264356-135=221485-267+90=308964×(267-264)=2892154×(227-221)=924459-107×3=138263×2-460=6610+123-81=52259+855+114=122897×3-15=276650-130×5=0729+972-20=1681343×2-265=421333-(329-248)=252501×6=300696+264+844=120472×(192-186)=432658+541+526=1725627+262=889814×5-693=3377427-271=15632+(469-37)=464828×4-865=2447919-(511+267)=14122+869-144=747277×3=831484-70+13=427122+672=79422+(169-168)=23229+56-107=178530-28×6=362257+178×3=791238×(570-567)=714660-368=29282×(53-45)=656785-(618-192)=359880-384×2=112442-145=297237+138-12=363423+261+122=806509-273=23637-18=1968+121+356=5455/8+2/8=7/8503+22×2=547555×5-62=271340×(75-69)=240441-435+219=225497-(317-165)=34562×5+457=767533+413=946623×(557-554)=1869293×6-841=917984+51-698=337549-166=383452-(257+70)=125553-53×5=28897×(468-461)=679952-(641-562)=873553-(320+173)=60228+218×2=664423-77×4=115478-67-171=240136+500-624=12102+315-142=27563×9-407=160305+190-24=471744-504=240280-(89+97)=94251-29×2=193848+525+575=194840×(234-225)=360500+389-302=587518-(709-207)=1660-(327-321)=54421-236+187=3727/10-1/10=6/10908-(614-479)=77363+291-235=119357-182-112=63132+289+345=766284×(362-359)=852741-(752-298)=287455-58×2=339233-35×3=128251-143+116=22454+344-296=1022/3-1/3=1/3499+711+517=17276/8-1/8=5/8762×7-26=5308214+277=49116+399-304=111259+206=465435+(431-171)=695140+183=323175+127=302193-86+287=394706×(65-56)=6354529×8=4232280+232×3=976241×2=482137×6=822213×(714-706)=1704659×(137-134)=1977216+106×2=428403+28+91=522487-(347+53)=87525×8=4200735×7=5145395-187×2=21460×2+26=946411-(126-31)=316322×2+937=1581154×4=616431-77+75=429464-145×2=174846-(746-634)=734182-28×6=14257×7=1799446-(174+217)=55406-(142+14)=250858-(453-277)=682144+209-323=30891+528-367=1052311-92=21988+(338-148)=278498-305-90=103404+41×3=527821-221=60092×4=368527+993+135=165510×(174-169)=50986-(963-115)=138146+40-26=16088×(179-174)=440473+293+676=1442365-(77+103)=185229-17×7=110907+41+793=1741481-(64-11)=428340-13=327800+(845-229)=141671×(406-397)=639118+(450-254)=314351-327=24401-248=153901-(748-54)=207657+62×2=781698+179+877=1754360-(267+58)=3561×2=122603-(677-164)=90466-25=441562-155-214=193299+(428-309)=418450-305+185=330887-(684-85)=288929-505+193=617159+(849-21)=987119+387-497=952×4+71=279237+133×3=63686+654+155=895511-152-166=193153×5+939=1704131×3+352=74567×6-304=98205+301=506407×(21-12)=3663635-326=309318+(271-211)=378665+127+78=870385-14×4=329324+110=434162+38=200927-18+149=1058252-(90+17)=145669-362+152=459949×(732-727)=4745668-55=613952-155-769=28486-334-16=13683×6-364=134481-(136-127)=47210×7=70874+664-483=1055311+(384-201)=4943/9-1/9=2/924×5+434=554403+255-426=232879-(96+512)=27144×(435-428)=308670+(722-318)=1074837-(420-168)=585379-48×7=43126+317=443382+827-308=901248-210-38=0221-72×2=77