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150-15×9=348×(327-324)=690×6=241-(179-117)=2/4-1/4=115×5+366=97+418+263=249+16×4=277-(335-58)=284-12×7=427-(441-150)=452+370+33=980-681+772=245×4=487+993-961=256-91×2=934-441-38=56×4=327-(137+46)=848-49-384=32×(144-141)=481+245-110=152+53=1/7+2/7=436×2+121=738×4=324×(426-423)=40×4+51=19+172×2=297×2=112+372-441=804×9=66+110+182=30×2+207=441-(239-89)=469+354+984=60+(714-131)=419+761-23=646-49×6=235×4=614×(602-596)=838-431=498-51-226=298+(718-585)=105×4-305=95+458-549=396-89-140=913-203-44=101×5-110=401-79=52×6+459=199×(210-205)=309×3+99=39+159=966-22×9=437+247=4/6-1/6=155×(314-307)=657-499=274×(727-718)=246×2=372×3=399+(244-63)=669×(171-168)=693×(32-24)=740-630=105×9-310=336+921+193=476-359=199×6-412=728+68-67=163+906-230=894×2-146=352+119-312=454-29×5=413+22+483=430-290+220=369-156×2=721-(220-208)=394-144-115=72×4=500-274+12=809-633-74=146+35+233=926-539=697+607-984=276+402=733+(925-282)=514-16×9=184-83×2=695-261-350=658-140-94=429-131-21=334-174+331=904-(110+14)=289-69+64=24+222-60=465-302+87=572+(561-320)=211×(42-38)=46×7+276=322-264+395=478-346+134=54×(68-65)=874-255×3=136×4=696-504=524+(952-360)=240-(335-260)=979-65×8=393-118+84=71×9=481+15-106=498-159×2=3/8-1/8=947-(287+238)=463-125=102+113×3=447-121-246=35×3+140=89×2=642+955-622=72+226-48=359-23×7=4/8+3/8=255+238=3/7+2/7=196-54×2=419+(345-283)=358-57×6=966-107-531=119+(496-469)=975+166-430=85-(19+34)=450-122=167-21+184=346+321=324+557+17=489+746+38=359-348+63=537-179×2=225×(240-236)=108+96=269-197=3/6-2/6=302-63×4=138+256=176×2+349=413-22×2=887-855=499-(367-29)=357-(278-193)=516-96×5=606×(837-830)=79×7+136=744+822=900-101=46×5-73=205-168=66×9+187=31×5=335-47-165=853×(83-78)=349×2=623×4=301×2-84=994-(875-701)=40×9=717-332-186=990-(126+723)=933-(858-754)=481-449=731-215=17+(317-42)=444+108+52=416-96-121=952-51×7=29+235-192=348-(47+181)=48+211=131+277=144+78×9=101+431+413=215+448=763×3-10=801-266+585=361+217=326-271+122=295-150=428×7-30=630+877+503=372-280+197=726×9-376=307×3-673=447+149=509-129-197=253-16×4=861×7-187=172-60=338+(491-129)=145+190-30=241+277×2=798×(759-753)=796-462+288=770+(553-65)=547-65=154×6-888=796-(68+50)=378-333+279=954-(866-473)=5/6-1/6=406×2-129=267-23×7=550-(316+234)=407-23×7=424-341=356×(591-588)=213+684=136×4+26=5/7-2/7=552-315=96-(408-361)=83+882-252=40×8=629-(857-665)=470+414+952=62×6-353=367+(266-37)=870-295-523=532+438-938=4/6-2/6=231×2-144=379-111-93=122×7=361-(150+60)=4/8+2/8=2/6+4/6=85×6-369=421-(79+212)=442-137-17=303-(167-76)=239+216-250=243+58=949+320+921=252+20×6=899×5-61=514+697-282=287×(484-481)=3/6+2/6=521-128=116×(270-266)=313+524+83=119×5-59=437×6=91×2+400=376×(684-680)=22+267-221=185×5-384=72-11-12=422-62-121=109×7-559=21×(537-530)=958-530=239+223+837=170×9-150=355-(220-159)=461×9=178×6-468=126-23×2=493-(435-424)=948-77×7=50+(189-160)=225×4=425-(28+376)=50+(481-23)=207×(782-779)=415-(80+250)=812-(402+227)=379×(439-436)=450-(66+54)=489×2=172+295-178=954-(351+270)=328-84=1/5+3/5=959-(143+785)=927-(839-416)=88+(496-199)=678×6-531=635-107=362-(179+103)=239×2+239=313-72×3=236+528=492-(258+175)=364-(23+298)=891×6-136=502+71+425=337×2=92+155=958-96-350=174+(989-653)=211+139-167=159×(197-194)=437-194-102=677-166×4=868-(307+33)=337+123=622+(171-158)=210-45-50=198-(454-393)=710+214×4=986-879=68+305+368=848-727+98=133-(130-111)=509-370+923=53×8-86=646-208×2=693×9=748×2-782=671×(380-372)=698+(392-315)=146+151=350+112+218=384-251-63=25+419+176=472×9-755=758-689=550+367=65+983+559=812+33×2=151×4=493-390=846+(636-340)=366-28+71=233-211=680-(138+103)=624+578=818+782=4/6+2/6=196×4-391=359-(90+98)=247-(147+67)=397-236=294-269+158=667×4=704+343+772=263+244=317-137-70=521-457=976×(790-786)=234-219+220=103+78×6=930-(284+464)=383-329=444+44×8=78×(790-783)=858+(737-304)=222+(811-254)=136+167-196=406×8-447=154+(969-469)=981+924+377=165+255+324=291×2-296=229+182=197+257=498-(352-299)=40×(296-288)=425-(493-140)=230×9=465×2+515=365+76×5=752×(366-357)=118×(330-322)=447-100×2=606-12-455=255×(568-559)=501-(108+19)=1/6+3/6=567×(728-724)=77×9-294=413-198-131=596+(528-65)=994-118×2=720-(552+65)=390-342+281=259-(81+86)=324+(311-55)=710+(916-171)=981-(987-523)=356-208+695=390-(278+55)=187-16+414=873+(998-137)=322×3+678=154×(435-431)=861-646+702=37+206×2=400-55×6=94×6=164-(224-217)=460-(62+348)=978-(54+416)=199-(445-377)=102+294+218=278-(106+76)=164+481=885-230-207=615×3=111×8+60=263+722-194=562+205+148=537-508+19=462-123=173+283-302=178+222-26=584-59-408=1/8+6/8=443-346+216=184+(345-320)=177+176=365-(213-21)=958-77×2=253+166=650-570+184=133×(222-214)=457-(45+236)=379+33×6=403-29×8=278+504=817-116+338=108+243-300=273+68×6=854-673=900-330-247=174+592+965=169-(946-800)=995-(433+78)=251+243-240=102+64+428=38×2+124=270-10×2=940-751-30=205+44-29=169-102-59=315+(370-168)=785×2-471=199+97×5=145×(304-298)=2/6+3/6=327×3-587=302+147=979+286-622=331×(847-843)=116-40=77×3-36=685-218×3=539-74-221=469-315+171=254+(421-89)=292×2=364+16-125=694-38+55=944+472-728=417+(193-30)=812-321-344=147+754+57=574×9-209=94-28+342=527×8=116×3-61=47+(204-30)=158+271=473-306-112=963-(37+508)=603+193+497=156-106=953-771=284+198=104+176+311=995×3=74+331=287×3=449×(772-767)=32×3=511×7-911=702+29+738=855×8-794=161×(339-333)=243-161+69=315+140-348=123-(70+30)=40+55=988×6=713-631+109=104+394=82×(222-219)=274+112+77=418×2-13=350×(410-402)=718-(320+218)=24+474-191=889+198-666=79×8+169=937-124-52=926+(369-160)=449+(81-49)=484-106-342=188+239+234=438-71-277=316+131=118+799-300=191+157=148×7=836-492+483=354×2-88=767+933-118=974+175=931+159=734+14×9=462+(632-374)=105+31+791=786-186×3=403×2=64-54+455=563-452+660=280-26×3=585×8=267-109×2=129-(171-151)=74+372-350=542+468-886=4/5-1/5=187×3-264=405-(264-259)=794-(258+219)=17×9+474=413-(82+317)=264+53-96=285-70+152=434-(948-743)=853+83×5=62×(410-402)=754-(366-27)=39+160+898=159×4=683+(569-233)=406+952+985=173×3+184=982-266-286=723-447+459=272+(372-338)=286-246+329=429-22=487-182=64×4+414=482-351+288=464-31=842+(577-311)=343-(55+68)=131-19=427-96-318=337-256=3/5+2/5=973-73×6=991-296=280-121+12=501-23-113=315+39+404=146+(533-239)=77+796+72=302-166=88+171-56=10+95×2=312-(223+27)=455-150-36=469-244+197=34×3+449=729-639+589=103-42×2=281+(887-404)=923-(928-776)=178+(665-642)=50+752-501=307-(136-103)=798×7=915-299+947=236+72=863-142-685=52×(437-432)=681×2-104=266×2-54=229+(447-55)=232+171+352=203-(396-344)=92-(416-341)=735-229=304×(161-155)=774-119=95×2=136×2=700-(758-177)=170+856-622=285-36×2=81×7-86=387-(129+75)=103+(292-277)=177×4=377-(220-76)=341+(408-294)=736-265-389=295-(334-173)=257+(468-257)=965+687=572×7=192×6-397=288+118+189=696-183+496=644-(793-759)=260+142=822-(75+418)=846-(422+409)=175×4=387+(224-74)=214-(232-185)=516-36×6=691+298=147+219=413×6-976=118×4-184=165-108=918-566+851=367+(327-283)=3/7-1/7=246-(81+27)=195+907+781=372×2+240=585-455-65=392-386+105=879-(541-152)=467+(171-143)=436-141×3=789+762+567=187-81×2=20×(186-182)=794-772=220-(176-142)=698-607+723=823-84-666=111×7=793-(782-354)=489+(449-393)=34+695-290=891-179+192=71+424+476=244×2=903-219-311=701+786+517=277×2=10+819+64=94+331-74=334-220+269=461-242=405-(284+111)=623×3=522+(500-30)=601-(241+341)=246-(298-284)=703-64×3=434-166=329-266=394-23×9=129+(481-413)=154×(147-143)=83-13×2=387-106-158=4/10-1/10=76+570+234=899+751+622=393-316-47=6/8-1/8=495-434=103×(282-276)=488-(156+44)=417-195=282-(353-190)=346+292×2=106-18×3=5/8-2/8=257-(405-399)=775+334=720-162×2=241-125-66=304+(124-105)=442+818-310=53×(256-251)=534-150=404+112+367=148+495×2=339+335=172×5+777=157-42×3=589-(945-382)=474×(235-229)=694-(353+104)=937-352+649=517×5-933=163×2-184=13×(334-327)=634+65×4=258-12+770=189×3-161=245+15×6=480+682+794=57+545+264=648×4=318-231=238×4-729=460-(14+287)=50×(200-191)=452-(192+60)=126+357-457=854-295×2=172×7-641=424+13+541=652-(48+23)=497-183+110=607+(971-778)=129+61=366-(401-266)=191+237×2=271-(265-26)=809-(255-51)=929-353+977=742+47+178=637+522=407+718-372=343-(264+55)=905+110×5=144+588-272=381-131×2=465-170=607-(207-88)=235×(158-151)=220-26-40=987+216+549=468-80-228=297-132+240=190+124-86=647+378×2=189+945-463=153+(475-280)=829-119×6=824-(61+425)=296-(43+146)=189×5+13=765-(410-30)=927×7=294-(248-90)=868+341+984=352×2-547=441-271+248=38×(491-485)=445-(170+253)=451+(65-49)=785+640=89×6+150=303+320=911-362+938=95+231×3=206+231-314=542+63-580=800-280=116×6-102=471-85×2=510×9=133+278-155=409-(736-335)=31×3=604-(402-90)=49+32=463-196-71=19×(441-434)=493+(398-290)=225+20+842=421×8-313=146×4+241=735-(319-198)=339-39-218=532+339=423-(148+153)=699+911-528=664×(209-202)=64×7=903-19+940=449+239+174=131+125×3=109+670+65=311×4=320+162=73×3=248×(326-322)=967-78×6=169+137-88=167×2=89+360=830-(293+343)=395-317-77=843-360-357=103+(789-676)=337+(416-294)=461×2+617=17+172×4=859-(688-545)=268+(353-125)=140+473=478+482+956=952-126×5=376+788=983-80×9=727-465=613-156×3=151+310=173+183×5=177+248=552+74+373=413-30-280=203+245-215=36+34×5=23×3=596-(210+319)=166×2-109=364-13-125=249×(355-352)=230×4+722=222-(324-193)=683×9=344-(250+49)=399-38=306×(238-235)=799-138=154×(298-295)=377+25-216=971+(628-254)=139×7-851=116-(387-308)=422×6-368=591-(78+127)=265×(93-90)=227-14×3=904-107=187-(214-76)=528-(530-132)=216×3-86=489+(213-117)=32×(206-200)=397-368-23=386-26+36=409×(318-310)=695-46×6=180+156=176+212-251=参考答案150-15×9=15348×(327-324)=1044690×6=4140241-(179-117)=1792/4-1/4=1/4115×5+366=94197+418+263=778249+16×4=313277-(335-58)=0284-12×7=200427-(441-150)=136452+370+33=855980-681+772=1071245×4=980487+993-961=519256-91×2=74934-441-38=45556×4=224327-(137+46)=144848-49-384=41532×(144-141)=96481+245-110=616152+53=2051/7+2/7=3/7436×2+121=993738×4=2952324×(426-423)=97240×4+51=21119+172×2=363297×2=594112+372-441=43804×9=723666+110+182=35830×2+207=267441-(239-89)=291469+354+984=180760+(714-131)=643419+761-23=1157646-49×6=352235×4=940614×(602-596)=3684838-431=407498-51-226=221298+(718-585)=431105×4-305=11595+458-549=4396-89-140=167913-203-44=666101×5-110=395401-79=32252×6+459=771199×(210-205)=995309×3+99=102639+159=198966-22×9=768437+247=6844/6-1/6=3/6155×(314-307)=1085657-499=158274×(727-718)=2466246×2=492372×3=1116399+(244-63)=580669×(171-168)=2007693×(32-24)=5544740-630=110105×9-310=635336+921+193=1450476-359=117199×6-412=782728+68-67=729163+906-230=839894×2-146=1642352+119-312=159454-29×5=309413+22+483=918430-290+220=360369-156×2=57721-(220-208)=709394-144-115=13572×4=288500-274+12=238809-633-74=102146+35+233=414926-539=387697+607-984=320276+402=678733+(925-282)=1376514-16×9=370184-83×2=18695-261-350=84658-140-94=424429-131-21=277334-174+331=491904-(110+14)=780289-69+64=28424+222-60=186465-302+87=250572+(561-320)=813211×(42-38)=84446×7+276=598322-264+395=453478-346+134=26654×(68-65)=162874-255×3=109136×4=544696-504=192524+(952-360)=1116240-(335-260)=165979-65×8=459393-118+84=35971×9=639481+15-106=390498-159×2=1803/8-1/8=2/8947-(287+238)=422463-125=338102+113×3=441447-121-246=8035×3+140=24589×2=178642+955-622=97572+226-48=250359-23×7=1984/8+3/8=7/8255+238=4933/7+2/7=5/7196-54×2=88419+(345-283)=481358-57×6=16966-107-531=328119+(496-469)=146975+166-430=71185-(19+34)=32450-122=328167-21+184=330346+321=667324+557+17=898489+746+38=1273359-348+63=74537-179×2=179225×(240-236)=900108+96=204269-197=723/6-2/6=1/6302-63×4=50138+256=394176×2+349=701413-22×2=369887-855=32499-(367-29)=161357-(278-193)=272516-96×5=36606×(837-830)=424279×7+136=689744+822=1566900-101=79946×5-73=157205-168=3766×9+187=78131×5=155335-47-165=123853×(83-78)=4265349×2=698623×4=2492301×2-84=518994-(875-701)=82040×9=360717-332-186=199990-(126+723)=141933-(858-754)=829481-449=32731-215=51617+(317-42)=292444+108+52=604416-96-121=199952-51×7=59529+235-192=72348-(47+181)=12048+211=259131+277=408144+78×9=846101+431+413=945215+448=663763×3-10=2279801-266+585=1120361+217=578326-271+122=177295-150=145428×7-30=2966630+877+503=2010372-280+197=289726×9-376=6158307×3-673=248447+149=596509-129-197=183253-16×4=189861×7-187=5840172-60=112338+(491-129)=700145+190-30=305241+277×2=795798×(759-753)=4788796-462+288=622770+(553-65)=1258547-65=482154×6-888=36796-(68+50)=678378-333+279=324954-(866-473)=5615/6-1/6=4/6406×2-129=683267-23×7=106550-(316+234)=0407-23×7=246424-341=83356×(591-588)=1068213+684=897136×4+26=5705/7-2/7=3/7552-315=23796-(408-361)=4983+882-252=71340×8=320629-(857-665)=437470+414+952=183662×6-353=19367+(266-37)=596870-295-523=52532+438-938=324/6-2/6=2/6231×2-144=318379-111-93=175122×7=854361-(150+60)=1514/8+2/8=6/82/6+4/6=185×6-369=141421-(79+212)=130442-137-17=288303-(167-76)=212239+216-250=205243+58=301949+320+921=2190252+20×6=372899×5-61=4434514+697-282=929287×(484-481)=8613/6+2/6=5/6521-128=393116×(270-266)=464313+524+83=920119×5-59=536437×6=262291×2+400=582376×(684-680)=150422+267-221=68185×5-384=54172-11-12=49422-62-121=239109×7-559=20421×(537-530)=147958-530=428239+223+837=1299170×9-150=1380355-(220-159)=294461×9=4149178×6-468=600126-23×2=80493-(435-424)=482948-77×7=40950+(189-160)=79225×4=900425-(28+376)=2150+(481-23)=508207×(782-779)=621415-(80+250)=85812-(402+227)=183379×(439-436)=1137450-(66+54)=330489×2=978172+295-178=289954-(351+270)=333328-84=2441/5+3/5=4/5959-(143+785)=31927-(839-416)=50488+(496-199)=385678×6-531=3537635-107=528362-(179+103)=80239×2+239=717313-72×3=97236+528=764492-(258+175)=59364-(23+298)=43891×6-136=5210502+71+425=998337×2=67492+155=247958-96-350=512174+(989-653)=510211+139-167=183159×(197-194)=477437-194-102=141677-166×4=13868-(307+33)=528337+123=460622+(171-158)=635210-45-50=115198-(454-393)=137710+214×4=1566986-879=10768+305+368=741848-727+98=219133-(130-111)=114509-370+923=106253×8-86=338646-208×2=230693×9=6237748×2-782=714671×(380-372)=5368698+(392-315)=775146+151=297350+112+218=680384-251-63=7025+419+176=620472×9-755=3493758-689=69550+367=91765+983+559=1607812+33×2=878151×4=604493-390=103846+(636-340)=1142366-28+71=409233-211=22680-(138+103)=439624+578=1202818+782=16004/6+2/6=1196×4-391=393359-(90+98)=171247-(147+67)=33397-236=161294-269+158=183667×4=2668704+343+772=1819263+244=507317-137-70=110521-457=64976×(790-786)=3904234-219+220=235103+78×6=571930-(284+464)=182383-329=54444+44×8=79678×(790-783)=546858+(737-304)=1291222+(811-254)=779136+167-196=107406×8-447=2801154+(969-469)=654981+924+377=2282165+255+324=744291×2-296=286229+182=411197+257=454498-(352-299)=44540×(296-288)=320425-(493-140)=72230×9=2070465×2+515=1445365+76×5=745752×(366-357)=6768118×(330-322)=944447-100×2=247606-12-455=139255×(568-559)=2295501-(108+19)=3741/6+3/6=4/6567×(728-724)=226877×9-294=399413-198-131=84596+(528-65)=1059994-118×2=758720-(552+65)=103390-342+281=329259-(81+86)=92324+(311-55)=580710+(916-171)=1455981-(987-523)=517356-208+695=843390-(278+55)=57187-16+414=585873+(998-137)=1734322×3+678=1644154×(435-431)=616861-646+702=91737+206×2=449400-55×6=7094×6=564164-(224-217)=157460-(62+348)=50978-(54+416)=508199-(445-377)=131102+294+218=614278-(106+76)=96164+481=645885-230-207=448615×3=1845111×8+60=948263+722-194=791562+205+148=915537-508+19=48462-123=339173+283-302=154178+222-26=374584-59-408=1171/8+6/8=7/8443-346+216=313184+(345-320)=209177+176=353365-(213-21)=173958-77×2=804253+166=419650-570+184=264133×(222-214)=1064457-(45+236)=176379+33×6=577403-29×8=171278+504=782817-116+338=1039108+243-300=51273+68×6=681854-673=181900-330-247=323174+592+965=1731169-(946-800)=23995-(433+78)=484251+243-240=254102+64+428=59438×2+124=200270-10×2=250940-751-30=159205+44-29=220169-102-59=8315+(370-168)=517785×2-471=1099199+97×5=684145×(304-298)=8702/6+3/6=5/6327×3-587=394302+147=449979+286-622=643331×(847-843)=1324116-40=7677×3-36=195685-218×3=31539-74-221=244469-315+171=325254+(421-89)=586292×2=584364+16-125=255694-38+55=711944+472-728=688417+(193-30)=580812-321-344=147147+754+57=958574×9-209=495794-28+342=408527×8=4216116×3-61=28747+(204-30)=221158+271=429473-306-112=55963-(37+508)=418603+193+497=1293156-106=50953-771=182284+198=482104+176+311=591995×3=298574+331=405287×3=861449×(772-767)=224532×3=96511×7-911=2666702+29+738=1469855×8-794=6046161×(339-333)=966243-161+69=151315+140-348=107123-(70+30)=2340+55=95988×6=5928713-631+109=191104+394=49882×(222-219)=246274+112+77=463418×2-13=823350×(410-402)=2800718-(320+218)=18024+474-191=307889+198-666=42179×8+169=801937-124-52=761926+(369-160)=1135449+(81-49)=481484-106-342=36188+239+234=661438-71-277=90316+131=447118+799-300=617191+157=348148×7=1036836-492+483=827354×2-88=620767+933-118=1582974+175=1149931+159=1090734+14×9=860462+(632-374)=720105+31+791=927786-186×3=228403×2=80664-54+455=465563-452+660=771280-26×3=202585×8=4680267-109×2=49129-(171-151)=10974+372-350=96542+468-886=1244/5-1/5=3/5187×3-264=297405-(264-259)=400794-(258+219)=31717×9+474=627413-(82+317)=14264+53-96=221285-70+152=367434-(948-743)=229853+83×5=126862×(410-402)=496754-(366-27)=41539+160+898=1097159×4=636683+(569-233)=1019406+952+985=2343173×3+184=703982-266-286=430723-447+459=735272+(372-338)=306286-246+329=369429-22=407487-182=30564×4+414=670482-351+288=419464-31=433842+(577-311)=1108343-(55+68)=220131-19=112427-96-318=13337-256=813/5+2/5=1973-73×6=535991-296=695280-121+12=171501-23-113=365315+39+404=758146+(533-239)=44077+796+72=945302-166=13688+171-56=20310+95×2=200312-(223+27)=62455-150-36=269469-244+197=42234×3+449=551729-639+589=679103-42×2=19281+(887-404)=764923-(928-776)=771178+(665-642)=20150+752-501=301307-(136-103)=274798×7=5586915-299+947=1563236+72=308863-142-685=3652×(437-432)=260681×2-104=1258266×2-54=478229+(447-55)=621232+171+352=755203-(396-344)=15192-(416-341)=17735-229=506304×(161-155)=1824774-119=65595×2=190136×2=272700-(758-177)=119170+856-622=404285-36×2=21381×7-86=481387-(129+75)=183103+(292-277)=118177×4=708377-(220-76)=233341+(408-294)=455736-265-389=82295-(334-173)=134257+(468-257)=468965+687=1652572×7=4004192×6-397=755288+118+189=595696-183+496=1009644-(793-759)=610260+142=402822-(75+418)=329846-(422+409)=15175×4=700387+(224-74)=537214-(232-185)=167516-36×6=300691+298=989147+219=366413×6-976=1502118×4-184=288165-108=57918-566+851=1203367+(327-283)=4113/7-1/7=2/7246-(81+27)=138195+907+781=1883372×2+240=984585-455-65=65392-386+105=111879-(541-152)=490467+(171-143)=495436-141×3=13789+762+567=2118187-81×2=2520×(186-182)=80794-772=22220-(176-142)=186698-607+723=814823-84-666=73111×7=777793-(782-354)=365489+(449-393)=54534+695-290=439891-179+192=90471+424+476=971244×2=488903-219-311=373701+786+517=2004277×2=55410+819+64=89394+331-74=351334-220+269=383461-242=219405-(284+111)=10623×3=1869522+(500-30)=992601-(241+341)=19246-(298-284)=232703-64×3=511434-166=268329-266=63394-23×9=187129+(481-413)=197154×(147-143)=61683-13×2=57387-106-158=1234/10-1/10=3/1076+570+234=880899+751+622=2272393-316-47=306/8-1/8=5/8495-434=61103×(282-276)=618488-(156+44)=288417-195=222282-(353-190)=119346+292×2=930106-18×3=525/8-2/8=3/8257-(405-399)=251775+334=1109720-162×2=396241-125-66=50304+(124-105)=323442+818-310=95053×(256-251)=265534-150=384404+112+367=883148+495×2=1138339+335=674172×5+777=1637157-42×3=31589-(945-382)=26474×(235-229)=2844694-(353+104)=237937-352+649=1234517×5-933=1652163×2-184=14213×(334-327)=91634+65×4=894258-12+77