三年级数学(上)计算题专项练习附答案

三年级数学(上)计算题专项练习附答案41+72=710+654=21+49=485+129=113+307=354+207=167+143=518+774=275+54=466+328=307+136=521+459=199+189=690+488=233+236=459+277=127+251=518+679=65+120=374+393=291+119=494+112=119+267=759+245=74+29=296+98=278+78=63+301=46+85=577+604=80+57=706+579=146+104=266+153=108+368=94+22=14+83=977+858=147+233=114+45=160+205=577+969=124+115=651+385=105+139=472+240=235+200=972+291=67+322=775+216=60+31=165+247=78+60=919+318=101+224=310+477=187+240=341+437=153+66=966+239=463-418=603-94=492-407=666-444=160-97=906-46=380-11=589-161=354-101=554-339=464-148=583-371=482-12=786-678=296-176=425-352=287-217=726-562=167-155=94-39=385-367=263-31=355-176=411-204=318-252=695-330=388-193=859-779=449-41=869-615=325-287=990-604=383-228=784-211=268-121=997-67=334-303=950-104=424-100=930-673=480-180=798-666=233-66=914-186=411-103=203-105=483-299=379-276=472-373=963-234=112-73=862-620=441-34=950-932=217-168=926-762=255-238=646-77=458-240=612-155=182×3=285×7=84×9=318×3=112×7=814×2=478×2=307×3=280×2=495×2=16×2=555×3=192×4=341×3=231×4=922×3=100×8=546×3=90×4=809×9=26×8=750×2=14×6=640×8=82×8=899×5=94×8=374×2=89×8=922×6=36×5=964×9=311×3=680×9=92×2=505×3=194×4=861×4=123×8=849×2=231×3=551×3=146×4=195×7=28×8=401×9=77×7=949×2=41×9=493×7=10×4=945×9=104×5=886×4=11×6=704×8=54×5=17×6=47×7=497×6=222+552+72=23+213+176=41+61+761=534+334+279=371+335+47=358+405+357=134+408+350=30+300+702=253+505+187=938+582+69=126+239+573=292+868+149=347+237+133=465+612+549=109+642+245=582+695+482=665+16+85=640+947+241=212+286+499=785+753+350=113+310+17=82+365+201=165+83+500=128+747+304=392+147+41=33+225+779=514+102+275=549+478+396=453+104+308=524+511+783=114+603+46=913+999+739=171+157+177=643+188+357=148+217+94=572+189+766=36+563+377=853+730+492=421+205+59=975+983+227=207+215+350=858+142+262=323+383+38=31+954+595=37+134+368=688+152+356=194+428+97=971+509+94=205+315+239=650+829+619=202+216+520=784+945+959=358+476+82=422+533+631=81+623+177=106+554+596=150+474+152=219+25+974=17+364+464=346+190+520=178+61-81=434+865-909=142+245-95=463+675-408=226+169-240=618+674-139=315+29-96=858+566-30=100+342-332=782+240-314=45+124-39=948+788-299=147+161-48=778+393-939=257+151-312=909+261-560=343+55-342=824+72-16=231+95-42=897+527-538=197+241-246=416+417-275=233+11-227=908+173-65=180+305-232=729+715-811=131+19-103=376+84-120=25+158-144=111+652-657=331+112-103=493+653-704=172+177-345=752+786-650=114+296-293=704+542-215=58+207-134=691+580-568=186+241-365=459+784-984=126+66-47=248+755-331=474+26-240=91+12-67=226+229-36=652+986-14=195+267-207=320+736-594=226+69-175=457+653-884=148+231-10=934+24-873=242+71-253=845+891-750=354+61-17=699+192-757=126+286-287=34+692-694=142+247-50=151+611-490=474-298-95=960-72-791=479-32-72=684-449-149=353-26-248=826-750-58=158-116-17=284-60-220=385-44-233=794-671-90=323-38-274=739-142-121=295-180-70=657-171-149=210-133-75=677-400-85=336-93-13=497-141-223=420-191-117=674-50-420=266-75-37=998-341-16=296-80-167=672-120-309=283-140-110=974-822-147=493-21-305=618-279-81=328-221-16=568-51-334=305-202-97=944-110-642=468-36-358=952-236-454=461-115-128=974-454-257=389-157-208=802-43-224=368-158-199=565-172-368=426-19-245=721-65-214=480-88-46=712-70-631=218-13-76=946-36-195=389-357-15=606-197-19=414-161-122=978-753-66=54-25-25=853-136-614=201-16-156=948-637-67=450-166-31=644-106-39=375-205-74=681-558-63=335-150-142=558-373-114=153-122+38=582-282+232=215-208+56=888-464+505=218-176+397=727-571+254=383-301+295=505-215+803=396-362+210=521-101+184=157-15+285=695-380+837=289-211+298=313-211+258=173-92+325=585-416+262=132-80+46=761-370+669=129-105+442=739-300+903=394-344+42=564-290+622=441-432+422=561-277+515=178-151+326=839-551+88=464-341+144=549-110+869=338-50+35=571-392+313=488-289+220=865-393+354=473-330+73=294-288+257=444-178+167=235-93+693=397-364+88=649-156+293=487-302+110=687-674+196=436-318+370=398-31+682=209-82+373=753-753+46=296-226+40=533-460+144=130-112+308=956-114+881=203-203+238=738-493+73=160-27+183=733-300+501=395-191+135=637-498+654=409-104+171=813-232+528=299-170+56=540-310+776=48-16+131=783-778+794=434+(238-220)=285+(984-888)=222+(328-188)=25+(319-206)=157+(341-90)=651+(914-859)=356+(397-208)=747+(923-777)=422+(390-266)=872+(912-875)=191+(191-163)=557+(988-956)=100+(433-278)=907+(347-143)=119+(379-272)=424+(323-143)=295+(286-278)=112+(756-460)=398+(341-248)=640+(935-321)=64+(467-50)=929+(83-46)=121+(479-75)=134+(883-283)=135+(446-143)=28+(833-377)=110+(226-177)=578+(850-552)=224+(386-345)=615+(304-119)=174+(197-122)=211+(428-135)=192+(463-344)=392+(729-92)=47+(440-140)=642+(888-816)=321+(344-145)=349+(421-49)=422+(309-125)=390+(202-165)=32+(454-91)=255+(807-652)=93+(254-44)=525+(910-61)=285+(136-102)=677+(818-704)=293+(337-237)=392+(350-77)=490+(336-302)=440+(543-54)=427+(311-50)=251+(935-201)=43+(498-433)=333+(783-63)=37+(207-194)=306+(744-192)=465+(167-143)=386+(807-165)=244+(91-28)=553+(747-503)=88-(51+14)=498-(163+69)=387-(121+146)=890-(91+133)=466-(43+307)=493-(142+91)=402-(67+45)=704-(87+551)=365-(168+174)=966-(153+810)=352-(96+50)=630-(121+417)=319-(14+67)=740-(255+457)=372-(192+60)=753-(139+464)=444-(250+173)=773-(115+605)=452-(111+185)=391-(106+30)=372-(142+78)=988-(219+187)=300-(45+83)=595-(132+78)=305-(191+54)=744-(516+123)=415-(33+373)=948-(347+260)=482-(32+148)=902-(76+43)=469-(170+214)=398-(236+79)=342-(43+274)=868-(293+224)=488-(137+214)=294-(141+52)=455-(191+45)=554-(75+270)=460-(120+252)=714-(37+198)=499-(142+287)=405-(341+45)=440-(309+86)=979-(301+48)=301-(120+96)=641-(30+102)=311-(160+122)=903-(686+194)=486-(103+130)=707-(296+369)=494-(100+322)=983-(406+550)=296-(30+128)=959-(247+423)=330-(88+178)=724-(449+200)=386-(85+55)=988-(116+427)=454-(326+56)=616-(488+47)=302-(263-48)=608-(601-415)=188-(281-267)=910-(775-610)=244-(435-399)=353-(861-568)=487-(394-32)=976-(887-780)=228-(238-133)=360-(719-447)=318-(285-275)=908-(677-579)=428-(223-208)=726-(836-660)=412-(386-188)=396-(909-553)=226-(367-235)=854-(963-917)=182-(81-71)=241-(305-240)=79-(159-89)=540-(780-405)=192-(319-177)=878-(920-42)=361-(284-160)=179-(946-885)=337-(483-417)=762-(970-905)=295-(403-210)=657-(931-619)=468-(430-308)=485-(881-600)=452-(449-228)=863-(646-506)=424-(445-227)=904-(415-300)=364-(420-79)=410-(885-615)=313-(192-33)=807-(846-566)=168-(113-35)=455-(663-371)=284-(480-391)=889-(102-63)=205-(469-315)=709-(537-399)=124-(457-445)=660-(958-811)=202-(218-151)=480-(844-807)=393-(276-232)=879-(853-625)=411-(48-38)=654-(295-146)=324-(163-103)=787-(747-220)=324-(194-85)=359-(835-519)=492-(422-35)=893-(434-54)=267+95×2=218+17×2=257+64×9=148+184×5=227+41×4=520+83×7=83+336×2=938+329×3=116+60×5=287+245×2=318+75×2=78+66×8=480+38×2=809+264×2=339+199×3=468+272×3=194+46×6=177+242×3=204+174×3=564+204×2=45+77×2=814+433×2=409+185×2=203+36×7=305+31×8=831+101×5=219+286×2=20+111×5=197+83×9=573+78×8=16×5+320=87×9+91=34×5+31=11×2+251=71×2+65=66×4+446=33×2+468=72×6+267=200×2+240=183×5+865=75×5+265=46×7+33=29×7+139=286×2+316=348×2+104=102×4+871=394×2+100=379×2+148=41×7+384=54×3+789=14×5+470=216×4+646=44×3+67=73×2+916=31×7+321=97×9+887=40×6+152=13×6+436=70×3+380=88×2+441=375-50×7=460-37×2=257-33×3=714-124×3=245-61×2=582-89×4=358-32×5=995-67×5=298-39×3=979-13×3=455-24×4=174-56×3=312-132×2=571-32×9=413-21×5=316-32×7=438-109×4=340-24×5=353-73×3=845-73×6=263-53×2=861-225×2=367-165×2=307-42×4=393-140×2=633-83×4=442-108×4=242-12×6=490-218×2=965-269×2=427-41×7=724-72×7=434-67×6=839-19×8=365-154×2=661-34×7=424-159×2=571-198×2=381-48×6=941-75×7=194-62×2=515-164×2=361-71×5=412-33×2=317-25×4=659-97×2=387-130×2=804-31×9=474-110×3=934-95×9=307-40×6=487-135×2=459-115×2=927-81×5=359-16×6=808-81×9=499-47×6=565-156×2=383-124×3=822-94×4=358×2-648=397×8-869=353×2-442=333×6-474=424×2-228=138×6-695=105×5-163=620×5-607=397×2-634=591×4-956=242×2-127=516×7-401=104×9-433=541×4-217=225×3-398=455×6-756=84×5-384=224×7-701=103×6-226=736×4-697=218×2-171=808×5-652=95×7-426=616×5-305=115×8-538=835×6-162=121×7-124=75×8-233=73×7-373=725×8-745=160×2-219=403×4-486=61×6-97=458×7-753=170×3-361=620×6-559=93×9-686=137×8-447=164×6-637=180×6-520=87×7-445=216×5-868=488×2-548=656×5-452=151×5-348=620×3-701=306×3-283=539×3-86=205×2-361=840×6-669=430×2-810=739×3-316=205×4-333=181×7-425=148×2-195=461×3-770=131×4-481=250×3-275=141×5-123=189×8-839=52×(91-82)=555×(864-860)=103×(450-446)=221×(255-247)=328×(265-262)=730×(36-32)=10×(372-369)=265×(223-217)=126×(193-189)=600×(212-203)=107×(250-245)=775×(226-223)=121×(412-408)=35×(865-858)=110×(431-425)=29×(298-290)=91×(120-117)=479×(518-511)=62×(482-478)=169×(913-910)=106×(152-144)=392×(424-415)=133×(325-318)=732×(514-506)=175×(280-275)=210×(662-657)=64×(481-478)=75×(676-669)=29×(86-80)=568×(92-89)=86×(210-202)=715×(835-827)=109×(352-346)=231×(777-771)=36×(452-448)=784×(696-690)=303×(197-194)=315×(908-899)=37×(409-400)=947×(561-557)=68×(145-142)=529×(176-167)=18×(350-341)=185×(91-88)=143×(238-234)=270×(869-862)=296×(172-169)=495×(987-979)=76×(404-397)=850×(788-782)=115×(441-435)=834×(966-962)=116×(240-232)=673×(54-51)=36×(296-288)=760×(869-863)=77×(91-84)=577×(799-795)=133×(79-76)=805×(521-514)=1/7+4/7=4/8+2/8=1/5+3/5=3/5+2/5=1/6+3/6=1/8+3/8=1/8+2/8=5/8+2/8=1/8+6/8=1/7+6/7=1/7+5/7=1/3+2/3=4/7-1/7=2/10-1/10=3/6-2/6=5/9-3/9=3/7-2/7=3/10-1/10=2/4-1/4=5/9-4/9=3/6-1/6=7/10-3/10=4/8-1/8=2/9-1/9=参考答案41+72=113710+654=136421+49=70485+129=614113+307=420354+207=561167+143=310518+774=1292275+54=329466+328=794307+136=443521+459=980199+189=388690+488=1178233+236=469459+277=736127+251=378518+679=119765+120=185374+393=767291+119=410494+112=606119+267=386759+245=100474+29=103296+98=394278+78=35663+301=36446+85=131577+604=118180+57=137706+579=1285146+104=250266+153=419108+368=47694+22=11614+83=97977+858=1835147+233=380114+45=159160+205=365577+969=1546124+115=239651+385=1036105+139=244472+240=712235+200=435972+291=126367+322=389775+216=99160+31=91165+247=41278+60=138919+318=1237101+224=325310+477=787187+240=427341+437=778153+66=219966+239=1205463-418=45603-94=509492-407=85666-444=222160-97=63906-46=860380-11=369589-161=428354-101=253554-339=215464-148=316583-371=212482-12=470786-678=108296-176=120425-352=73287-217=70726-562=164167-155=1294-39=55385-367=18263-31=232355-176=179411-204=207318-252=66695-330=365388-193=195859-779=80449-41=408869-615=254325-287=38990-604=386383-228=155784-211=573268-121=147997-67=930334-303=31950-104=846424-100=324930-673=257480-180=300798-666=132233-66=167914-186=728411-103=308203-105=98483-299=184379-276=103472-373=99963-234=729112-73=39862-620=242441-34=407950-932=18217-168=49926-762=164255-238=17646-77=569458-240=218612-155=457182×3=546285×7=199584×9=756318×3=954112×7=784814×2=1628478×2=956307×3=921280×2=560495×2=99016×2=32555×3=1665192×4=768341×3=1023231×4=924922×3=2766100×8=800546×3=163890×4=360809×9=728126×8=208750×2=150014×6=84640×8=512082×8=656899×5=449594×8=752374×2=74889×8=712922×6=553236×5=180964×9=8676311×3=933680×9=612092×2=184505×3=1515194×4=776861×4=3444123×8=984849×2=1698231×3=693551×3=1653146×4=584195×7=136528×8=224401×9=360977×7=539949×2=189841×9=369493×7=345110×4=40945×9=8505104×5=520886×4=354411×6=66704×8=563254×5=27017×6=10247×7=329497×6=2982222+552+72=84623+213+176=41241+61+761=863534+334+279=1147371+335+47=753358+405+357=1120134+408+350=89230+300+702=1032253+505+187=945938+582+69=1589126+239+573=938292+868+149=1309347+237+133=717465+612+549=1626109+642+245=996582+695+482=1759665+16+85=766640+947+241=1828212+286+499=997785+753+350=1888113+310+17=44082+365+201=648165+83+500=748128+747+304=1179392+147+41=58033+225+779=1037514+102+275=891549+478+396=1423453+104+308=865524+511+783=1818114+603+46=763913+999+739=2651171+157+177=505643+188+357=1188148+217+94=459572+189+766=152736+563+377=976853+730+492=2075421+205+59=685975+983+227=2185207+215+350=772858+142+262=1262323+383+38=74431+954+595=158037+134+368=539688+152+356=1196194+428+97=719971+509+94=1574205+315+239=759650+829+619=2098202+216+520=938784+945+959=2688358+476+82=916422+533+631=158681+623+177=881106+554+596=1256150+474+152=776219+25+974=121817+364+464=845346+190+520=1056178+61-81=158434+865-909=390142+245-95=292463+675-408=730226+169-240=155618+674-139=1153315+29-96=248858+566-30=1394100+342-332=110782+240-314=70845+124-39=130948+788-299=1437147+161-48=260778+393-939=232257+151-312=96909+261-560=610343+55-342=56824+72-16=880231+95-42=284897+527-538=886197+241-246=192416+417-275=558233+11-227=17908+173-65=1016180+305-232=253729+715-811=633131+19-103=47376+84-120=34025+158-144=39111+652-657=106331+112-103=340493+653-704=442172+177-345=4752+786-650=888114+296-293=117704+542-215=103158+207-134=131691+580-568=703186+241-365=62459+784-984=259126+66-47=145248+755-331=672474+26-240=26091+12-67=36226+229-36=419652+986-14=1624195+267-207=255320+736-594=462226+69-175=120457+653-884=226148+231-10=369934+24-873=85242+71-253=60845+891-750=986354+61-17=398699+192-757=134126+286-287=12534+692-694=32142+247-50=339151+611-490=272474-298-95=81960-72-791=97479-32-72=375684-449-149=86353-26-248=79826-750-58=18158-116-17=25284-60-220=4385-44-233=108794-671-90=33323-38-274=11739-142-121=476295-180-70=45657-171-149=337210-133-75=2677-400-85=192336-93-13=230497-141-223=133420-191-117=112674-50-420=204266-75-37=154998-341-16=641296-80-167=49672-120-309=243283-140-110=33974-822-147=5493-21-305=167618-279-81=258328-221-16=91568-51-334=183305-202-97=6944-110-642=192468-36-358=74952-236-454=262461-115-128=218974-454-257=263389-157-208=24802-43-224=535368-158-199=11565-172-368=25426-19-245=162721-65-214=442480-88-46=346712-70-631=11218-13-76=129946-36-195=715389-357-15=17606-197-19=390414-161-122=131978-753-66=15954-25-25=4853-136-614=103201-16-156=29948-637-67=244450-166-31=253644-106-39=499375-205-74=96681-558-63=60335-150-142=43558-373-114=71153-122+38=69582-282+232=532215-208+56=63888-464+505=929218-176+397=439727-571+254=410383-301+295=377505-215+803=1093396-362+210=244521-101+184=604157-15+285=427695-380+837=1152289-211+298=376313-211+258=360173-92+325=406585-416+262=431132-80+46=98761-370+669=1060129-105+442=466739-300+903=1342394-344+42=92564-290+622=896441-432+422=431561-277+515=799178-151+326=353839-551+88=376464-341+144=267549-110+869=1308338-50+35=323571-392+313=492488-289+220=419865-393+354=826473-330+73=216294-288+257=263444-178+167=433235-93+693=835397-364+88=121649-156+293=786487-302+110=295687-674+196=209436-318+370=488398-31+682=1049209-82+373=500753-753+46=46296-226+40=110533-460+144=217130-112+308=326956-114+881=1723203-203+238=238738-493+73=318160-27+183=316733-300+501=934395-191+135=339637-498+654=793409-104+171=476813-232+528=1109299-170+56=185540-310+776=100648-16+131=163783-778+794=799434+(238-220)=452285+(984-888)=381222+(328-188)=36225+(319-206)=138157+(341-90)=408651+(914-859)=706356+(397-208)=545747+(923-777)=893422+(390-266)=546872+(912-875)=909191+(191-163)=219557+(988-956)=589100+(433-278)=255907+(347-143)=1111119+(379-272)=226424+(323-143)=604295+(286-278)=303112+(756-460)=408398+(341-248)=491640+(935-321)=125464+(467-50)=481929+(83-46)=966121+(479-75)=525134+(883-283)=734135+(446-143)=43828+(833-377)=484110+(226-177)=159578+(850-552)=876224+(386-345)=265615+(304-119)=800174+(197-122)=249211+(428-135)=504192+(463-344)=311392+(729-92)=102947+(440-140)=347642+(888-816)=714321+(344-145)=520349+(421-49)=721422+(309-125)=606390+(202-165)=42732+(454-91)=395255+(807-652)=41093+(254-44)=303525+(910-61)=1374285+(136-102)=319677+(818-704)=791293+(337-237)=393392+(350-77)=665490+(336-302)=524440+(543-54)=929427+(311-50)=688251+(935-201)=98543+(498-433)=108333+(783-63)=105337+(207-194)=50306+(744-192)=858465+(167-143)=489386+(807-165)=1028244+(91-28)=307553+(747-503)=79788-(51+14)=23498-(163+69)=266387-(121+146)=120890-(91+133)=666466-(43+307)=116493-(142+91)=260402-(67+45)=290704-(87+551)=66365-(168+174)=23966-(153+810)=3352-(96+50)=206630-(121+417)=92319-(14+67)=238740-(255+457)=28372-(192+60)=120753-(139+464)=150444-(250+173)=21773-(115+605)=53452-(111+185)=156391-(106+30)=255372-(142+78)=152988-(219+187)=582300-(45+83)=172595-(132+78)=385305-(191+54)=60744-(516+123)=105415-(33+373)=9948-(347+260)=341482-(32+148)=302902-(76+43)=783469-(170+214)=85398-(236+79)=83342-(43+274)=25868-(293+224)=351488-(137+214)=137294-(141+52)=101455-(191+45)=219554-(75+270)=209460-(120+252)=88714-(37+198)=479499-(142+287)=70405-(341+45)=19440-(309+86)=45979-(301+48)=630301-(120+96)=85641-(30+102)=509311-(160+122)=29903-(686+194)=23486-(103+130)=253707-(296+369)=42494-(100+322)=72983-(406+550)=27296-(30+128)=138959-(247+423)=289330-(88+178)=64724-(449+200)=75386-(85+55)=246988-(116+427)=445454-(326+56)=72616-(488+47)=81302-(263-48)=87608-(601-415)=422188-(281-267)=174910-(775-610)=745244-(435-399)=208353-(861-568)=60487-(394-32)=125976-(887-780)=869228-(238-133)=123360-(719-447)=88318-(285-275)=308908-(677-579)=810428-(223-208)=413726-(836-660)=550412-(386-188)=214396-(909-553)=40226-(367-235)=94854-(963-917)=808182-(81-71)=172241-(305-240)=17679-(159-89)=9540-(780-405)=165192-(319-177)=50878-(920-42)=0361-(284-160)=237179-(946-885)=118337-(483-417)=271762-(970-905)=697295-(403-210)=102657-(931-619)=345468-(430-308)=346485-(881-600)=204452-(449-228)=231863-(646-506)=723424-(445-227)=206904-(415-300)=789364-(420-79)=23410-(885-615)=140313-(192-33)=154807-(846-566)=527168-(113-35)=90455-(663-371)=163284-(480-391)=195889-(102-63)=850205-(469-315)=51709-(537-399)=571124-(457-445)=112660-(958-811)=513202-(218-151)=135480-(844-807)=443393-(276-232)=349879-(853-625)=651411-(48-38)=401654-(295-146)=505324-(163-103)=264787-(747-220)=260324-(194-85)=215359-(835-519)=43492-(422-35)=105893-(434-54)=513267+95×2=457218+17×2=252257+64×9=833148+184×5=1068227+41×4=391520+83×7=110183+336×2=755938+329×3=1925116+60×5=416287+245×2=777318+75×2=46878+66×8=606480+38×2=556809+264×2=1337339+199×3=936468+272×3=1284194+46×6=470177+242×3=903204+174×3=726564+204×2=97245+77×2=199814+433×2=1680409+185×2=779203+36×7=455305+31×8=553831+101×5=1336219+286×2=79120+111×5=575197+83×9=944573+78×8=119716×5+320=40087×9+91=87434×5+31=20111×2+251=27371×2+65=20766×4+446=71033×2+468=53472×6+267=699200×2+240=640183×5+865=178075×5+265=64046×7+33=35529×7+139=342286×2+316=888348×2+104=800102×4+871=1279394×2+100=888379×2+148=90641×7+384=67154×3+789=95114×5+470=540216×4+646=151044×3+67=19973×2+916=106231×7+321=53897×9+887=176040×6+152=39213×6+436=51470×3+380=59088×2+441=617375-50×7=25460-37×2=386257-33×3=158714-124×3=342245-61×2=123582-89×4=226358-32×5=198995-67×5=660298-39×3=181979-13×3=940455-24×4=359174-56×3=6312-132×2=48571-32×9=283413-21×5=308316-32×7=92438-109×4=2340-24×5=220353-73×3=134845-73×6=407263-53×2=157861-225×2=411367-165×2=37307-42×4=139393-140×2=113633-83×4=301442-108×4=10242-12×6=170490-218×2=54965-269×2=427427-41×7=140724-72×7=220434-67×6=32839-19×8=687365-154×2=57661-34×7=423424-159×2=106571-198×2=175381-48×6=93941-75×7=416194-62×2=70515-164×2=187361-71×5=6412-33×2=346317-25×4=217659-97×2=465387-130×2=127804-31×9=525474-110×3=144934-95×9=79307-40×6=67487-135×2=217459-115×2=229927-81×5=522359-16×6=263808-81×9=79499-47×6=217565-156×2