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24×(98-91)=123+321=844-(61+499)=768-95-366=235+(317-117)=128+(269-197)=194-106+353=120×2+873=441+113+236=635-54+762=388-(245-208)=154+77-171=619+90×4=884-101×3=204×5=779×3-597=139+220=190+218=840-(935-214)=829-624=701+399+736=297-(139+128)=74+978-941=274+168-349=77+43=860+42+963=545-391+315=993+97×5=380-45-143=718×4-354=334-214=389×2-226=981-(656+263)=229×4+188=415-27×3=689×5-235=333×(879-874)=323+17+310=132+320-215=834-104-246=383+85=385-(326+58)=450-16×3=715-(427+240)=248+40×7=725-279=472-(392+48)=41×(133-125)=892-178-696=306-206=878+134×6=237×2=210×4-741=312×2+189=850-567=211×4=688-152-146=286×(810-806)=526+131=501+525-540=337×(642-639)=928+(940-698)=28×8+625=406-192=27×(249-240)=76+76+640=261+111=298-(219+74)=396+(118-54)=510-309=5/8-1/8=23×6=208×4-718=88×7-336=322+(592-490)=4/8+3/8=413-(68+31)=491-435=94×(287-279)=884+135×2=59×9=198+631-382=3/9+2/9=194×3+323=698-194+403=864-288-549=524-(358-251)=312+(169-34)=380-309+52=1/6+3/6=317-296+257=528-312-152=300+64×3=145+230+373=116+159×2=124×8=559-175-217=83+(379-343)=466-316=76×6=95×8-45=305-64×4=448+698-722=311-83=205+(536-368)=281×3+33=857-175×4=962-111=159+(315-260)=916+(883-725)=934-(274+61)=472×(835-828)=314-139-57=83+320-313=306-(482-244)=324+317+35=202×4-195=453+65×4=821+373-744=671-(916-564)=110×9-821=10×(81-75)=80+171+201=82+935-445=3/5-1/5=824+867+920=599×8=389-(45+281)=332+102×2=442-202+203=387-114-214=905+(788-459)=4/8-3/8=882-52×2=573×2=575×(999-991)=500-(494-88)=140+280+33=423-161-166=438-24×9=76+(22-10)=961-269=738-174-291=106×4=417+148+401=356+406=419-263-126=165-(289-272)=102×6-211=252-(325-234)=181+59×9=86-67=59×6+306=761-(785-553)=313×3-329=376×3-967=380-(259+86)=56×(137-131)=323+333=920-861+370=398+493=291×7=685-(258+47)=308+187=493+486-499=105+(979-869)=928-(478-171)=910-(124+135)=591×2=40-11=266-14×8=148+843+874=446-(362-116)=641×9-872=392×2-126=479-(24+378)=166+616-671=109×5+913=262+186=886-(339+93)=37×2=624-358+857=719-(900-361)=642+688-943=989+252=471-172-207=320-34×3=346×(953-945)=179×(333-328)=227-157-38=41×4=924-691=641+737+619=860-312×2=292+100×5=416-121-222=507-393=918-387=124+246-98=457×2=451-(76+207)=931+854=78×2-88=1/10+3/10=252-85-156=782-86=145+303=146+222-345=50+248=833-695=907+211+700=534-292=651-379-76=333-118-165=147+532=576+212=53×7=304-21-269=471-(819-557)=12×6+112=146+320-21=169-(132+14)=968-29-437=128+184=874×6=988+994=409+72×9=190-(28+39)=443+236+980=199-(339-263)=98-(311-243)=163+111-104=229×(156-153)=96+254-304=160+31+216=397+19-371=457-(285+130)=2/3-1/3=600+304+87=964×(173-166)=364-37-233=426-395=395+379=850-(72+646)=132+78=689-134×4=417+(897-815)=227-76+316=307-(77+220)=435-(330-174)=744+76-755=187+40×6=408-106×2=245×3-279=241+85=57×(367-364)=50×6-281=81×9-648=515-171-104=235+244-233=143+318-42=290+590+295=424-(29+377)=3/7-1/7=193+214=442-16-62=49×(408-399)=201×(70-66)=494+549-737=1/5+4/5=327+(137-27)=680×4=487+(969-664)=386-(383-151)=903-851+375=849×7-170=871-(44+272)=964-352+947=251+437=191+(55-19)=106×5=380×5-974=395-(483-237)=873+514=239×2=817+235+297=154+194-272=723-215=902×3=900-411=155+31=351+(285-233)=76×(278-274)=325-41-112=856×4=159-31=278+466-91=640-(365+216)=946-(271+454)=85+396-384=763×(970-962)=69-33×2=224-138-65=34+(493-10)=355-(298-148)=450+36×2=229-(463-328)=103×8+539=14×(143-136)=349-227+162=2/7-1/7=537-24-328=5/7-1/7=464-(143+47)=853-66-440=668+(652-289)=4/7-1/7=170×(168-164)=555×(849-846)=61×8+495=787-237=279×(353-350)=250+(99-80)=241-130=71+497-544=410-315+118=327+521+47=738-17-501=328-319+245=192×5+913=724×3-591=439-(494-108)=268+225×2=149+125+377=331+102-31=50×4+115=348-(443-260)=28×9=98+187=253×3=351-23-285=109-(47-34)=46+40+867=553+277+793=269-83+196=273×3-723=105+(402-144)=290-22=236+641+75=923+(838-347)=65+530+251=244-18×5=718-(693+14)=250-(205+41)=104+366=129+204-296=960-109×4=918-(435-245)=239+101=418+(408-186)=494×2-854=300-85×2=311+(269-159)=318-175+299=113×6-514=613+462-369=254+757+563=332+(208-167)=781-100+598=234×3+106=890-127=467-128-280=135+343+110=89×4-327=86+29=263-175+165=485-(372-211)=104×2+351=554-45×6=128-34×2=443-(633-403)=242+(297-158)=437×5=136×(500-497)=460×6-931=129-(406-365)=189×(701-693)=83+365=512+802+967=179-(49-10)=499-131+29=425+(243-176)=108×8-482=444-15-104=29+415-345=433+19-372=480-112-102=838-227+72=709+420+411=64+512+480=305×3-238=463-265=173-108=28×(246-239)=128+173=867-207×2=67×9=214+214-294=830-42×5=223-32×4=156+88×2=997-(871-185)=120+195-147=399-170-168=479-182-212=219-107+172=340×7-586=252-59×3=377-58+15=447-229-78=605+645+693=258×7-955=422-158=142×8=792-480+911=363×(916-907)=394-29-55=268+(345-278)=964-(339-224)=600+190-556=204+238-219=325×2=847-504+375=295+274+367=151+245+346=807-(522+267)=28+755-50=98-83+186=225+(994-241)=173+161=634+116+671=873×2=92+(373-45)=479-334+342=196×(58-55)=705×(672-667)=41-28+436=66+109+284=111×2-131=775+(999-532)=455-65=845×(120-113)=897-(473-208)=121+173-57=187-75=682+(764-705)=123×6=451-(255+171)=397-51×7=80+403-439=310+123×7=493-74-215=327+133=834+(552-141)=974-323×2=304-(173+16)=560-22×5=140+(877-468)=311+450+24=362-(454-360)=110×8-298=223×(42-38)=397+668-632=618-(946-522)=639-622=797×5-964=494-68×7=69×8=146×(149-144)=111+(244-40)=216+269+358=344+95+40=497+(411-334)=318-101×2=654-650+101=244+377=60+95=364+120×2=101×(22-14)=461+(496-437)=360-39-275=287-(292-76)=444×8-870=131+125×3=302×9-478=428×4-184=414+498-797=477-150-274=568×2=82-46+38=342×2+68=97×8-159=351-(316-143)=264-111=495-96=459-71+311=915-(714-393)=506+513=118+242+323=759-241-52=828-44+772=820×6=966-93×6=105×2=89×6+206=546-(224+307)=444×8=1/4+2/4=142+30×9=155+(434-95)=486+269+81=529×5-300=253×3-183=680×9=916-43×6=440-39×4=981-968+690=2/5-1/5=37+88×8=262+984+10=40×9-10=688-104-85=483-(275+12)=977-93×8=538-(565-241)=122×2=161×3=581+484+651=257×2=140+20×7=956+(218-138)=294×3=398-(193+172)=67×(327-321)=197-88×2=95×(409-402)=427-213-27=823-310=102-24=46×9=11+86+145=923-(819-578)=17×(44-39)=482-39=966-123-389=860-50×2=143×4+32=332-300=605+(519-476)=39+(779-672)=303×3=58×6-144=301×2+255=303-232+316=495-(215+96)=870-113×7=350-(253+84)=261×(124-120)=999+621-437=952-542+430=759+388-41=338×5-782=157+169-134=221×9=137×7-549=12×3=346+150=478-(178+49)=260+523=641-(963-945)=170×(485-481)=117×4+241=86×5-49=279×(952-947)=137-29-20=730+16+187=240×(52-43)=382×7-146=382-62-246=60×7+41=465+698=394-124×3=462-192-11=220×4-152=663×6-335=729-51×8=921-379+908=267-142+310=419+80+378=51+546-14=266+140-102=515+826+200=500-321=476-452+287=169×(107-100)=925-(105+719)=5/10-2/10=238×3-701=213-40=20×9-74=654-45+598=212+(96-62)=288-(100+98)=359-(207-187)=138+79=5/8+2/8=443-128×2=903-57×9=831-62-738=383-376+107=959-493+936=229+80=725-(237+429)=143+353+55=343-73+169=170×7=95+33×8=31×9-42=50×4=362×7-259=211+43-46=818-(369+146)=327-(435-211)=971-(940-450)=405-(401-103)=1/5+2/5=872-208-356=735-(456+102)=653-509+339=494-318-11=301-132=158+207-316=593×(637-632)=371-286+387=921+65×2=664-578+999=828-14=378×(334-328)=240+(254-65)=249+747=234-24×8=1/8+5/8=404+(487-66)=20×(75-71)=359-(336-218)=97×(408-405)=4/7+2/7=755+(210-157)=290×(962-959)=33+265+750=10+(254-71)=257+137=961×(560-551)=850+792+475=847-246-244=104×(196-187)=334-39×3=581+(537-174)=219×3+124=263+27-48=46×3+173=474×2=329+580+21=446-24×5=571-(188+56)=811-358×2=976-729=257-55×2=469-15×6=58×9=208+97+405=148-(123-72)=782-288=771+991+623=444+(769-369)=384-(79+171)=478+(219-40)=414+890=988-41×6=472-71+972=511+133=97+330=165-119=582+358+449=402-194=826-267=973-917=946-(803-191)=456-(683-625)=295+100=369-(700-503)=961+637=980×(389-380)=151+207=442+686=476-76-279=782-70×8=177×5=652-535=823-(263+249)=92+20×6=388-77=261×7-432=549-84-51=174+65=359×8=127×6=344+41×7=309-(16+257)=49×4+371=836×4-532=874×4=36×(340-335)=23+(458-401)=919-(528+78)=244-31×5=928×(264-258)=327×2+77=104+349+516=451-(418-151)=28×(391-382)=818+293=952-638=375-(432-198)=885+945=414×2+795=991-33×8=668×(103-99)=939-(324+101)=218+(198-178)=29×(185-182)=871-(180+91)=34+208-68=128×4=974-34×7=595-122+485=302-199+303=219+213=39+434×2=296-12×3=198+59-146=919-(726-197)=404-(453-171)=119-45×2=487-247-33=154+119=492+(249-10)=979-188+481=180+279=390-107×2=269-24×2=735-74-381=3/8+5/8=366-186=435+269+70=475-430+115=241+516+363=258×3+36=378+199=724-(51-26)=3/4-1/4=429-292-59=189×2=23×(173-167)=230+336×2=349-95-180=218+(395-329)=684-(438-268)=69×3=385-(146+89)=693-206-62=469-32×9=431-41×8=2/6+3/6=131+259-217=865-380=324-281+121=365×(898-890)=514+658+489=327-(201+28)=982+536-359=197-26×6=641+957-679=653+705=847-379+472=138×6-445=824+168+273=232+(292-275)=494+(493-237)=13×9=96+(287-156)=236-25×5=261×(260-252)=786-(888-676)=268-110+30=429+(989-551)=278-260=621×4=793-504+264=190×5-675=463-(199+44)=490-193+654=847+(889-440)=554×6-620=435-295=289-(382-251)=292+214×2=66+183-158=336+868-609=385-75×2=537×9-998=316×(533-530)=191+52-116=503-(379-45)=345×2+89=471-37+51=368-278-68=288-44=437-(91+62)=417-50×8=386-(361-109)=499-(999-619)=567×(679-674)=158+133-280=414-(55+294)=271+(430-176)=667+815-175=831-(300-63)=972-92×4=517-(225+124)=771-349+844=4/8-2/8=315×3+591=552+635+423=917-(544+348)=895-(298+50)=328×3=334-(303+19)=80×8-310=889×3-165=143-47=382-261-80=36×6=486-82=515+305×2=439+802-536=619-(437+127)=15×2=223-34+76=258-(36+43)=502-236+448=49×6+58=304+369+169=298-297+284=参考答案24×(98-91)=168123+321=444844-(61+499)=284768-95-366=307235+(317-117)=435128+(269-197)=200194-106+353=441120×2+873=1113441+113+236=790635-54+762=1343388-(245-208)=351154+77-171=60619+90×4=979884-101×3=581204×5=1020779×3-597=1740139+220=359190+218=408840-(935-214)=119829-624=205701+399+736=1836297-(139+128)=3074+978-941=111274+168-349=9377+43=120860+42+963=1865545-391+315=469993+97×5=1478380-45-143=192718×4-354=2518334-214=120389×2-226=552981-(656+263)=62229×4+188=1104415-27×3=334689×5-235=3210333×(879-874)=1665323+17+310=650132+320-215=237834-104-246=484383+85=468385-(326+58)=1450-16×3=402715-(427+240)=48248+40×7=528725-279=446472-(392+48)=3241×(133-125)=328892-178-696=18306-206=100878+134×6=1682237×2=474210×4-741=99312×2+189=813850-567=283211×4=844688-152-146=390286×(810-806)=1144526+131=657501+525-540=486337×(642-639)=1011928+(940-698)=117028×8+625=849406-192=21427×(249-240)=24376+76+640=792261+111=372298-(219+74)=5396+(118-54)=460510-309=2015/8-1/8=4/823×6=138208×4-718=11488×7-336=280322+(592-490)=4244/8+3/8=7/8413-(68+31)=314491-435=5694×(287-279)=752884+135×2=115459×9=531198+631-382=4473/9+2/9=5/9194×3+323=905698-194+403=907864-288-549=27524-(358-251)=417312+(169-34)=447380-309+52=1231/6+3/6=4/6317-296+257=278528-312-152=64300+64×3=492145+230+373=748116+159×2=434124×8=992559-175-217=16783+(379-343)=119466-316=15076×6=45695×8-45=715305-64×4=49448+698-722=424311-83=228205+(536-368)=373281×3+33=876857-175×4=157962-111=851159+(315-260)=214916+(883-725)=1074934-(274+61)=599472×(835-828)=3304314-139-57=11883+320-313=90306-(482-244)=68324+317+35=676202×4-195=613453+65×4=713821+373-744=450671-(916-564)=319110×9-821=16910×(81-75)=6080+171+201=45282+935-445=5723/5-1/5=2/5824+867+920=2611599×8=4792389-(45+281)=63332+102×2=536442-202+203=443387-114-214=59905+(788-459)=12344/8-3/8=1/8882-52×2=778573×2=1146575×(999-991)=4600500-(494-88)=94140+280+33=453423-161-166=96438-24×9=22276+(22-10)=88961-269=692738-174-291=273106×4=424417+148+401=966356+406=762419-263-126=30165-(289-272)=148102×6-211=401252-(325-234)=161181+59×9=71286-67=1959×6+306=660761-(785-553)=529313×3-329=610376×3-967=161380-(259+86)=3556×(137-131)=336323+333=656920-861+370=429398+493=891291×7=2037685-(258+47)=380308+187=495493+486-499=480105+(979-869)=215928-(478-171)=621910-(124+135)=651591×2=118240-11=29266-14×8=154148+843+874=1865446-(362-116)=200641×9-872=4897392×2-126=658479-(24+378)=77166+616-671=111109×5+913=1458262+186=448886-(339+93)=45437×2=74624-358+857=1123719-(900-361)=180642+688-943=387989+252=1241471-172-207=92320-34×3=218346×(953-945)=2768179×(333-328)=895227-157-38=3241×4=164924-691=233641+737+619=1997860-312×2=236292+100×5=792416-121-222=73507-393=114918-387=531124+246-98=272457×2=914451-(76+207)=168931+854=178578×2-88=681/10+3/10=4/10252-85-156=11782-86=696145+303=448146+222-345=2350+248=298833-695=138907+211+700=1818534-292=242651-379-76=196333-118-165=50147+532=679576+212=78853×7=371304-21-269=14471-(819-557)=20912×6+112=184146+320-21=445169-(132+14)=23968-29-437=502128+184=312874×6=5244988+994=1982409+72×9=1057190-(28+39)=123443+236+980=1659199-(339-263)=12398-(311-243)=30163+111-104=170229×(156-153)=68796+254-304=46160+31+216=407397+19-371=45457-(285+130)=422/3-1/3=1/3600+304+87=991964×(173-166)=6748364-37-233=94426-395=31395+379=774850-(72+646)=132132+78=210689-134×4=153417+(897-815)=499227-76+316=467307-(77+220)=10435-(330-174)=279744+76-755=65187+40×6=427408-106×2=196245×3-279=456241+85=32657×(367-364)=17150×6-281=1981×9-648=81515-171-104=240235+244-233=246143+318-42=419290+590+295=1175424-(29+377)=183/7-1/7=2/7193+214=407442-16-62=36449×(408-399)=441201×(70-66)=804494+549-737=3061/5+4/5=1327+(137-27)=437680×4=2720487+(969-664)=792386-(383-151)=154903-851+375=427849×7-170=5773871-(44+272)=555964-352+947=1559251+437=688191+(55-19)=227106×5=530380×5-974=926395-(483-237)=149873+514=1387239×2=478817+235+297=1349154+194-272=76723-215=508902×3=2706900-411=489155+31=186351+(285-233)=40376×(278-274)=304325-41-112=172856×4=3424159-31=128278+466-91=653640-(365+216)=59946-(271+454)=22185+396-384=97763×(970-962)=610469-33×2=3224-138-65=2134+(493-10)=517355-(298-148)=205450+36×2=522229-(463-328)=94103×8+539=136314×(143-136)=98349-227+162=2842/7-1/7=1/7537-24-328=1855/7-1/7=4/7464-(143+47)=274853-66-440=347668+(652-289)=10314/7-1/7=3/7170×(168-164)=680555×(849-846)=166561×8+495=983787-237=550279×(353-350)=837250+(99-80)=269241-130=11171+497-544=24410-315+118=213327+521+47=895738-17-501=220328-319+245=254192×5+913=1873724×3-591=1581439-(494-108)=53268+225×2=718149+125+377=651331+102-31=40250×4+115=315348-(443-260)=16528×9=25298+187=285253×3=759351-23-285=43109-(47-34)=9646+40+867=953553+277+793=1623269-83+196=382273×3-723=96105+(402-144)=363290-22=268236+641+75=952923+(838-347)=141465+530+251=846244-18×5=154718-(693+14)=11250-(205+41)=4104+366=470129+204-296=37960-109×4=524918-(435-245)=728239+101=340418+(408-186)=640494×2-854=134300-85×2=130311+(269-159)=421318-175+299=442113×6-514=164613+462-369=706254+757+563=1574332+(208-167)=373781-100+598=1279234×3+106=808890-127=763467-128-280=59135+343+110=58889×4-327=2986+29=115263-175+165=253485-(372-211)=324104×2+351=559554-45×6=284128-34×2=60443-(633-403)=213242+(297-158)=381437×5=2185136×(500-497)=408460×6-931=1829129-(406-365)=88189×(701-693)=151283+365=448512+802+967=2281179-(49-10)=140499-131+29=397425+(243-176)=492108×8-482=382444-15-104=32529+415-345=99433+19-372=80480-112-102=266838-227+72=683709+420+411=154064+512+480=1056305×3-238=677463-265=198173-108=6528×(246-239)=196128+173=301867-207×2=45367×9=603214+214-294=134830-42×5=620223-32×4=95156+88×2=332997-(871-185)=311120+195-147=168399-170-168=61479-182-212=85219-107+172=284340×7-586=1794252-59×3=75377-58+15=334447-229-78=140605+645+693=1943258×7-955=851422-158=264142×8=1136792-480+911=1223363×(916-907)=3267394-29-55=310268+(345-278)=335964-(339-224)=849600+190-556=234204+238-219=223325×2=650847-504+375=718295+274+367=936151+245+346=742807-(522+267)=1828+755-50=73398-83+186=201225+(994-241)=978173+161=334634+116+671=1421873×2=174692+(373-45)=420479-334+342=487196×(58-55)=588705×(672-667)=352541-28+436=44966+109+284=459111×2-131=91775+(999-532)=1242455-65=390845×(120-113)=5915897-(473-208)=632121+173-57=237187-75=112682+(764-705)=741123×6=738451-(255+171)=25397-51×7=4080+403-439=44310+123×7=1171493-74-215=204327+133=460834+(552-141)=1245974-323×2=328304-(173+16)=115560-22×5=450140+(877-468)=549311+450+24=785362-(454-360)=268110×8-298=582223×(42-38)=892397+668-632=433618-(946-522)=194639-622=17797×5-964=3021494-68×7=1869×8=552146×(149-144)=730111+(244-40)=315216+269+358=843344+95+40=479497+(411-334)=574318-101×2=116654-650+101=105244+377=62160+95=155364+120×2=604101×(22-14)=808461+(496-437)=520360-39-275=46287-(292-76)=71444×8-870=2682131+125×3=506302×9-478=2240428×4-184=1528414+498-797=115477-150-274=53568×2=113682-46+38=74342×2+68=75297×8-159=617351-(316-143)=178264-111=153495-96=399459-71+311=699915-(714-393)=594506+513=1019118+242+323=683759-241-52=466828-44+772=1556820×6=4920966-93×6=408105×2=21089×6+206=740546-(224+307)=15444×8=35521/4+2/4=3/4142+30×9=412155+(434-95)=494486+269+81=836529×5-300=2345253×3-183=576680×9=6120916-43×6=658440-39×4=284981-968+690=7032/5-1/5=1/537+88×8=741262+984+10=125640×9-10=350688-104-85=499483-(275+12)=196977-93×8=233538-(565-241)=214122×2=244161×3=483581+484+651=1716257×2=514140+20×7=280956+(218-138)=1036294×3=882398-(193+172)=3367×(327-321)=402197-88×2=2195×(409-402)=665427-213-27=187823-310=513102-24=7846×9=41411+86+145=242923-(819-578)=68217×(44-39)=85482-39=443966-123-389=454860-50×2=760143×4+32=604332-300=32605+(519-476)=64839+(779-672)=146303×3=90958×6-144=204301×2+255=857303-232+316=387495-(215+96)=184870-113×7=79350-(253+84)=13261×(124-120)=1044999+621-437=1183952-542+430=840759+388-41=1106338×5-782=908157+169-134=192221×9=1989137×7-549=41012×3=36346+150=496478-(178+49)=251260+523=783641-(963-945)=623170×(485-481)=680117×4+241=70986×5-49=381279×(952-947)=1395137-29-20=88730+16+187=933240×(52-43)=2160382×7-146=2528382-62-246=7460×7+41=461465+698=1163394-124×3=22462-192-11=259220×4-152=728663×6-335=3643729-51×8=321921-379+908=1450267-142+310=435419+80+378=87751+546-14=583266+140-102=304515+826+200=1541500-321=179476-452+287=311169×(107-100)=1183925-(105+719)=1015/10-2/10=3/10238×3-701=13213-40=17320×9-74=106654-45+598=1207212+(96-62)=246288-(100+98)=90359-(207-187)=339138+79=2175/8+2/8=7/8443-128×2=187903-57×9=390831-62-738=31383-376+107=114959-493+936=1402229+80=309725-(237+429)=59143+353+55=551343-73+169=439170×7=119095+33×8=35931×9-42=23750×4=200362×7-259=2275211+43-46=208818-(369+146)=303327-(435-211)=103971-(940-450)=481405-(401-103)=1071/5+2/5=3/5872-208-356=308735-(456+102)=177653-509+339=483494-318-11=165301-132=169158+207-316=49593×(637-632)=2965371-286+387=472921+65×2=1051664-578+999=1085828-14=814378×(334-328)=2268240+(254-65)=429249+747=996234-24×8=421/8+5/8=6/8404+(487-66)=82520×(75-71)=80359-(336-218)=24197×(408-405)=2914/7+2/7=6/7755+(210-157)=808290×(962-959)=87033+265+750=104810+(254-71)=193257+137=394961×(560-551)=8649850+792+475=2117847-246-244=357104×(196-187)=936334-39×3=217581+(537-174)=944219×3+124=781263+27-48=24246×3+173=311474×2=948329+580+21=930446-24×5=326571-(188+56)=327811-358×2=95976-729=247257-55×2=147469-15×6=37958×9=522208+97+405=710148-(123-72)=97782-288=494771+991+623=2385444+(769-369)=844384-(79+171)=134478+(219-40)=657414+890=1304988-41×6=742472-71+972=1373511+133=64497+330=427165-119=46582+358+449=1389402-194=208826-267=559973-917=56946-(803-191)=334456-(683-625)=398295+100=395369-(700-503)=172961+637=1598980×(389-380)=8820151+207=358442+686=1128476-76-279=121782-70×8=222177×5=885652-535=117823-(263+249)=31192+20×6=212388-77=3