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245×4=485×3=168+380+45=377-(438-145)=807+645+424=972-(10+613)=172+134×2=402+732-997=362+(948-548)=127+(204-185)=243×2-64=337-(13+147)=447-(189+68)=573-141=24×8-46=704+264+893=865-(753-525)=265-174=470+21-209=159-(307-234)=67×7=657-(531-456)=57×9=971-806+588=171+561=130-99+82=110×9-308=68+497+688=628×3=153×5-269=26×3=529+(985-679)=3/7-1/7=126×6=105-54+249=244+731=351+208×2=964-495+365=151+963+765=103+(455-449)=765-(730-579)=265+(393-85)=287×2=361-119+157=529×(716-708)=191+213-76=729-43+480=373+281+210=76×8=569-131=43+248-229=98×7-551=378-255+361=481-21=802+(590-302)=419×3=485-33×9=989+(769-685)=647×2-37=460-148×3=630+50×7=815×3-720=615-(973-969)=291×6-769=485×2=341-169+131=461-(470-63)=700-(370+302)=605-37+247=281-107+411=285×3+22=512×4-19=319-134=118×3+805=718+972+446=139×3=10×(550-546)=129+256-295=490+(939-840)=251-(815-775)=152×4+86=78-(443-370)=112-(402-308)=278+218=950+(824-163)=791-161-476=380+668+748=273+(473-70)=835-130-111=997-149-825=343+489=539-(265+83)=324+127=113×(340-337)=950-(517+177)=393+40-137=538×4=278×7-604=6/8-1/8=127×6+118=468+559=314+144+197=432-73=453×6=436×2-736=311-(98+143)=19×3+691=337+968+803=19+170+71=492×2=435-16×9=44×(366-358)=865-331×2=332+333×2=381-295-47=147×2-130=193-106+463=217+198=72+(431-371)=39+(356-158)=310-(262+36)=984×2=431-38×4=695-353-39=483-42=790-534=481+(667-88)=450-116+133=354+(232-68)=252-(37+103)=452-(332+95)=945-(687+247)=758-514+111=699-(653-644)=716-162×2=319-(199+39)=698+131+417=944-795+459=484×(548-544)=252-110-126=612-512+87=847×(811-802)=448×(302-296)=157+198=398-56×4=590×(984-980)=1/6+2/6=555-536+501=981+599=188×4=470-(825-774)=457-71=322+(727-70)=203+(565-491)=166+221-376=212×5=85+208=775+504-726=670-118-16=412-60×4=719-(340+332)=31+626+326=341+635+184=181+10+732=351-(38+243)=435×4-969=489×6=95+202+329=331+90=774-643=383-(216-125)=482+(989-241)=61+396-455=254+88×2=233-(85+144)=382-(177+91)=223+(472-311)=398-228=383-(72+284)=897-659=409×2-572=953-219-296=86+187-85=243-(340-183)=476-43×3=354-80-121=461-(34+141)=91-(303-300)=412-155-72=294-(354-130)=175-13×6=119-87=265-201-33=522+849+28=136+183=307+559=422-238-28=157×2=100×8=103×9-330=863+119-210=204×3=896×4=537×9=357-106-200=166+113+471=399-189+18=811+206+121=583-164+220=499+372+875=294-(12+166)=130×(31-25)=765+206=993-141-721=767-269×2=651×7-867=165×(376-371)=866×(145-140)=509+(542-116)=473-17-43=116×7+170=312-105=913+892=168+296=906-693=327-306=380×2-484=483-249+683=171+135-305=796+259-676=404-349-15=23×(428-424)=679-116+855=636+691=759+(812-263)=330+133=22×(460-456)=802-(462+187)=281+217+182=124+473+391=944-(144+440)=341-123-152=773-140×3=259+(563-428)=165+388+441=52+(287-40)=662×2=96+86+630=425×(819-815)=357-227+341=563×(842-839)=156+72×5=877-185×2=862+768=108+99×9=475-88-204=957-432+236=514+(632-472)=3/7+2/7=400-(324-285)=874-(684+118)=219+222+991=213-(108-13)=958-173=309+375+96=820+962-978=599-39+598=246+34-77=646+(892-269)=401-69+509=440+184+190=356+832-418=304-21×5=87×5-250=33×4=377+218+60=883-(942-595)=254-(473-349)=437-40×9=882×6=327×2=107×2+219=444-197=14+593+835=380-(145+121)=643-348-275=780-29=198×3-530=426-258+330=482-53×5=531-416-66=681-507-12=846-448=86×7-417=419-99-295=491-123-275=127+393+84=535+(793-520)=487+688+49=168×4-237=828-(441-379)=12+472-370=186×(268-265)=498×(354-350)=524×(732-726)=377-259-24=429-15×4=415-207-163=485+332-443=281×(33-30)=270×(248-245)=435-183-54=615-(249+142)=82×2=49+695-488=309+614-331=22×4+266=153+53=126×2+590=385-73×5=310×3-171=145+(430-153)=102+255-32=340×2-374=272-68×3=281-187+221=128+103=406-169-48=761×8-808=202×6-370=32×5=229×3+327=379+400=618×5-968=454-(453-406)=120+346+169=217-(453-360)=932+483×2=50+196-195=180-(112+33)=369+315-386=482×7=291×(216-213)=646-(861-519)=335-(45+10)=434-141-182=468×4=394-(61+19)=481-27×8=261-168+359=398-243=86×4+867=334-60×2=364-132=816-560=866×4=401-386=240+56×6=123+(434-395)=857-615+721=969-(833-175)=924-(735-733)=231+208-267=452+132+961=299+(470-307)=399-133+146=232-107-116=373×2+832=249×2+350=825+898-684=639+17×2=193+174-350=430-124-48=323×(318-315)=825-(758+23)=889+94-563=471-236+218=316+629+335=377-83=131-(311-227)=181-58=431-(112+169)=861×5-201=494-(93+314)=190×(91-88)=164×3=152-135=310×2-232=65×(287-282)=441×2-427=562×(436-432)=904×6=258+175=156+274+196=34+448-64=795-288-364=934-691-68=415-162-158=414-(218+90)=332+(658-631)=148-10=403+255=487-(310+80)=280+350×2=398-153×2=212-122+191=240+427=772-(342+92)=201+177-105=980-(72+501)=819+404×2=674+589-988=74×(136-133)=428-380-12=142×4-392=480+430-344=80-(17+11)=670-(253+208)=382-282=74-17×3=383-183+40=2/6-1/6=260-(157-117)=209×3=376+245=2/8+3/8=446+33-42=171+68×6=377-75×4=513-101×3=930+(772-309)=283×(46-40)=180×2=707+65×4=333×6=766-(219+347)=283-22×4=358-(286-174)=73-(184-169)=742-625+682=829-230=4/10+3/10=285+37+80=688+189=279-83=280+256+122=241+109=260-(389-156)=182+67×9=51×8+351=639+(612-413)=367-141=581+493-849=258-(185-149)=999-611=417-183=134+126+295=453-340+252=888-698=755+878-182=528-129×4=308-109×2=529-179+995=656+761-428=42×(60-55)=383+78-92=584+458=360-41-75=228×8=620×3=133+887-435=421×(967-964)=654-(160+119)=107-58+23=213+96=1/8+3/8=471×(74-71)=242+102=5/10-2/10=340-317+385=138+273=509-(196+88)=22×4=31+14=138+219×3=293+374-289=359+(459-385)=751×6-662=292×9-373=903-72×6=807-250-435=415+(972-660)=278-118+336=266×3-564=376+113=109×(84-75)=493+23×3=115+113-190=79×6=394-69-271=168+80+300=327×3-116=349-(112+45)=116+82×6=902+398+626=330-153=553×7-659=394×(312-309)=223+239×2=312+250×3=206+266=864-379×2=117+450-396=480×2-358=595×7=222+(424-362)=804×6-328=478+62×9=239+313×2=379+788-301=809+132+745=994+114-48=67×(106-98)=127×2+300=3/7-2/7=554-(67+449)=903×3-534=570+61×8=374-301+18=145×(333-328)=158+283+465=25+(382-149)=198-(112-68)=415-82×4=33×(321-316)=614+(197-160)=35×8+827=111+(752-103)=173+270=284×2=449-(250-125)=56×7-57=315×2+355=67+228=93+(256-214)=269+360=2/3-1/3=363-(260+23)=626-390=4/8-3/8=496×(976-969)=231-189=35+361-209=291-(178-77)=479-74-138=887-448=197×(180-175)=167-16×2=894×(575-571)=567+925-768=455-145=306+462=92+(338-239)=325-92×3=915+480+28=120+359=793-(602+136)=419-124-223=448+(431-119)=116×4+232=19×2+495=415-95×2=115×(958-949)=533-20+816=108×7-151=451+54+133=890×3-626=51×7=624×(200-192)=367-(868-554)=212+245-387=955-(543-263)=150-92=484-480+225=414-15-397=278-124+133=6/10+4/10=3/6+2/6=968-936-24=337+(485-134)=503+144=113×4-165=917-186-40=73+(297-60)=827-(199+347)=459+215+246=548-449+831=392×4-288=340+146-272=752-168×3=812+447=892×9-268=83×7+685=11×5=70×(174-168)=498-(282-57)=947-214×3=302+53×3=221-(165+13)=872-137+595=330-(417-209)=799-(950-753)=208+188=483+206+296=487×2-503=891+735+501=478+(897-833)=294×3-857=312-(395-325)=98×2+50=328-(91+92)=214×(864-856)=72+316=110+(161-94)=51×5=271×3+679=992-(738-196)=208-23+200=872-372-145=498-332=237+232=423+(258-136)=361-313=860-210-633=469×9=240×3-256=184×3+803=383-161+189=40+(953-36)=114×3-303=149+291=1/8+5/8=140-32×2=99+139=174×4-358=20+194+945=824+53+72=27+221-135=707×6-912=77×(224-221)=632-394+407=824-812=112×4+122=581+551=730-(290+343)=615+235+105=462-11-73=107+356-343=321-142+307=106×5=814+133×6=347+337+795=804-82×5=492-136-289=529-61=269×2+327=322-98=866-548=358-(251-57)=252-(536-315)=22×(354-347)=882+306×2=483-117=112+82=15×2+97=854-233×2=173+265=595-87×4=222+133+54=29×(218-209)=239×2+432=206-90×2=427+(398-187)=4/6-1/6=5/9-1/9=769-22-314=285×3=344-189=125×5-338=397-(391-135)=881-(241+481)=769-(337+136)=116+156-85=65+238=362×(760-752)=377-68+28=321-(487-424)=409-(98+249)=966-909+815=293-(822-652)=924-(824-625)=303-176=421-(175+215)=380-122-177=131×(350-345)=369-(180+59)=467-(172-48)=4/8-1/8=416-233+53=527×3-414=416-(257-57)=419-139+728=873-(265+145)=559×(481-473)=137×5-469=217×4-111=433-68-126=213+168=213×(202-199)=842-(309-265)=70-(697-655)=535+646-862=417-164×2=258+192=457-177+105=127+256=750-39×3=479-10×5=621+45×4=1/7+3/7=948-220=229×3+921=218+(407-154)=354-(270+62)=659+882+188=230+100×6=898-319-370=218+(465-450)=276×3-500=146×(20-15)=887×8-362=439-292-14=404-24×7=145+319+12=52×(435-432)=397-11×3=152-51+188=836-(388-181)=184×3=852-86×8=272+401+37=379+(487-86)=487-50-22=188-24=869-(848-306)=616-444+591=203+986-994=404-129-126=454-(171+45)=4/10+2/10=197×9=885-655=457-99×3=457-155+45=954-201+568=406+312+314=169+219-25=2/6+3/6=440-249=362×(779-775)=119-39-20=910×6=322+377=3/4-1/4=251-(459-355)=292×(279-276)=134+94×9=474-(355+24)=450×2=85+79=394-123×2=249×(838-829)=108+177=494-95+20=401-307+371=626+47-187=105+(129-42)=691-376-238=853-111×2=467+86×4=723×3=881×8=644-606=147×(170-166)=812×5-317=121+276-168=480-13×6=687+231=172+92-32=697-606=612-(295+75)=18×(382-376)=692×9-312=56×(583-578)=209-63×2=128+475+152=12+(852-396)=781-(995-357)=50×3=100×4=554-297-172=823-69-343=878-266+395=451×(84-79)=548-16×5=444-330-42=302+103-222=854-(384-185)=446+111+331=183+160=124+(499-420)=55+293-235=390-(182-56)=697-(347+306)=102+(304-237)=197-121=498-(907-817)=421-67×2=960-17×2=35×7+125=776-646=321×(44-41)=321-282=108+161+658=452+(310-85)=20×(54-45)=857-65×6=91+(667-662)=310×5=464-(39+36)=159+(457-169)=444×5-612=77-23×2=95+(141-80)=67+(333-110)=476+(188-124)=530×9-268=2/4-1/4=751-222=980+876-746=882-(829-430)=238+103=647-75×8=45+229+106=131+604-605=946-165-626=55×4+262=476-10×9=151×6=741+427-701=894-112-181=5/8+2/8=307-42×3=765-(27+142)=参考答案245×4=980485×3=1455168+380+45=593377-(438-145)=84807+645+424=1876972-(10+613)=349172+134×2=440402+732-997=137362+(948-548)=762127+(204-185)=146243×2-64=422337-(13+147)=177447-(189+68)=190573-141=43224×8-46=146704+264+893=1861865-(753-525)=637265-174=91470+21-209=282159-(307-234)=8667×7=469657-(531-456)=58257×9=513971-806+588=753171+561=732130-99+82=113110×9-308=68268+497+688=1253628×3=1884153×5-269=49626×3=78529+(985-679)=8353/7-1/7=2/7126×6=756105-54+249=300244+731=975351+208×2=767964-495+365=834151+963+765=1879103+(455-449)=109765-(730-579)=614265+(393-85)=573287×2=574361-119+157=399529×(716-708)=4232191+213-76=328729-43+480=1166373+281+210=86476×8=608569-131=43843+248-229=6298×7-551=135378-255+361=484481-21=460802+(590-302)=1090419×3=1257485-33×9=188989+(769-685)=1073647×2-37=1257460-148×3=16630+50×7=980815×3-720=1725615-(973-969)=611291×6-769=977485×2=970341-169+131=303461-(470-63)=54700-(370+302)=28605-37+247=815281-107+411=585285×3+22=877512×4-19=2029319-134=185118×3+805=1159718+972+446=2136139×3=41710×(550-546)=40129+256-295=90490+(939-840)=589251-(815-775)=211152×4+86=69478-(443-370)=5112-(402-308)=18278+218=496950+(824-163)=1611791-161-476=154380+668+748=1796273+(473-70)=676835-130-111=594997-149-825=23343+489=832539-(265+83)=191324+127=451113×(340-337)=339950-(517+177)=256393+40-137=296538×4=2152278×7-604=13426/8-1/8=5/8127×6+118=880468+559=1027314+144+197=655432-73=359453×6=2718436×2-736=136311-(98+143)=7019×3+691=748337+968+803=210819+170+71=260492×2=984435-16×9=29144×(366-358)=352865-331×2=203332+333×2=998381-295-47=39147×2-130=164193-106+463=550217+198=41572+(431-371)=13239+(356-158)=237310-(262+36)=12984×2=1968431-38×4=279695-353-39=303483-42=441790-534=256481+(667-88)=1060450-116+133=467354+(232-68)=518252-(37+103)=112452-(332+95)=25945-(687+247)=11758-514+111=355699-(653-644)=690716-162×2=392319-(199+39)=81698+131+417=1246944-795+459=608484×(548-544)=1936252-110-126=16612-512+87=187847×(811-802)=7623448×(302-296)=2688157+198=355398-56×4=174590×(984-980)=23601/6+2/6=3/6555-536+501=520981+599=1580188×4=752470-(825-774)=419457-71=386322+(727-70)=979203+(565-491)=277166+221-376=11212×5=106085+208=293775+504-726=553670-118-16=536412-60×4=172719-(340+332)=4731+626+326=983341+635+184=1160181+10+732=923351-(38+243)=70435×4-969=771489×6=293495+202+329=626331+90=421774-643=131383-(216-125)=292482+(989-241)=123061+396-455=2254+88×2=430233-(85+144)=4382-(177+91)=114223+(472-311)=384398-228=170383-(72+284)=27897-659=238409×2-572=246953-219-296=43886+187-85=188243-(340-183)=86476-43×3=347354-80-121=153461-(34+141)=28691-(303-300)=88412-155-72=185294-(354-130)=70175-13×6=97119-87=32265-201-33=31522+849+28=1399136+183=319307+559=866422-238-28=156157×2=314100×8=800103×9-330=597863+119-210=772204×3=612896×4=3584537×9=4833357-106-200=51166+113+471=750399-189+18=228811+206+121=1138583-164+220=639499+372+875=1746294-(12+166)=116130×(31-25)=780765+206=971993-141-721=131767-269×2=229651×7-867=3690165×(376-371)=825866×(145-140)=4330509+(542-116)=935473-17-43=413116×7+170=982312-105=207913+892=1805168+296=464906-693=213327-306=21380×2-484=276483-249+683=917171+135-305=1796+259-676=379404-349-15=4023×(428-424)=92679-116+855=1418636+691=1327759+(812-263)=1308330+133=46322×(460-456)=88802-(462+187)=153281+217+182=680124+473+391=988944-(144+440)=360341-123-152=66773-140×3=353259+(563-428)=394165+388+441=99452+(287-40)=299662×2=132496+86+630=812425×(819-815)=1700357-227+341=471563×(842-839)=1689156+72×5=516877-185×2=507862+768=1630108+99×9=999475-88-204=183957-432+236=761514+(632-472)=6743/7+2/7=5/7400-(324-285)=361874-(684+118)=72219+222+991=1432213-(108-13)=118958-173=785309+375+96=780820+962-978=804599-39+598=1158246+34-77=203646+(892-269)=1269401-69+509=841440+184+190=814356+832-418=770304-21×5=19987×5-250=18533×4=132377+218+60=655883-(942-595)=536254-(473-349)=130437-40×9=77882×6=5292327×2=654107×2+219=433444-197=24714+593+835=1442380-(145+121)=114643-348-275=20780-29=751198×3-530=64426-258+330=498482-53×5=217531-416-66=49681-507-12=162846-448=39886×7-417=185419-99-295=25491-123-275=93127+393+84=604535+(793-520)=808487+688+49=1224168×4-237=435828-(441-379)=76612+472-370=114186×(268-265)=558498×(354-350)=1992524×(732-726)=3144377-259-24=94429-15×4=369415-207-163=45485+332-443=374281×(33-30)=843270×(248-245)=810435-183-54=198615-(249+142)=22482×2=16449+695-488=256309+614-331=59222×4+266=354153+53=206126×2+590=842385-73×5=20310×3-171=759145+(430-153)=422102+255-32=325340×2-374=306272-68×3=68281-187+221=315128+103=231406-169-48=189761×8-808=5280202×6-370=84232×5=160229×3+327=1014379+400=779618×5-968=2122454-(453-406)=407120+346+169=635217-(453-360)=124932+483×2=189850+196-195=51180-(112+33)=35369+315-386=298482×7=3374291×(216-213)=873646-(861-519)=304335-(45+10)=280434-141-182=111468×4=1872394-(61+19)=314481-27×8=265261-168+359=452398-243=15586×4+867=1211334-60×2=214364-132=232816-560=256866×4=3464401-386=15240+56×6=576123+(434-395)=162857-615+721=963969-(833-175)=311924-(735-733)=922231+208-267=172452+132+961=1545299+(470-307)=462399-133+146=412232-107-116=9373×2+832=1578249×2+350=848825+898-684=1039639+17×2=673193+174-350=17430-124-48=258323×(318-315)=969825-(758+23)=44889+94-563=420471-236+218=453316+629+335=1280377-83=294131-(311-227)=47181-58=123431-(112+169)=150861×5-201=4104494-(93+314)=87190×(91-88)=570164×3=492152-135=17310×2-232=38865×(287-282)=325441×2-427=455562×(436-432)=2248904×6=5424258+175=433156+274+196=62634+448-64=418795-288-364=143934-691-68=175415-162-158=95414-(218+90)=106332+(658-631)=359148-10=138403+255=658487-(310+80)=97280+350×2=980398-153×2=92212-122+191=281240+427=667772-(342+92)=338201+177-105=273980-(72+501)=407819+404×2=1627674+589-988=27574×(136-133)=222428-380-12=36142×4-392=176480+430-344=56680-(17+11)=52670-(253+208)=209382-282=10074-17×3=23383-183+40=2402/6-1/6=1/6260-(157-117)=220209×3=627376+245=6212/8+3/8=5/8446+33-42=437171+68×6=579377-75×4=77513-101×3=210930+(772-309)=1393283×(46-40)=1698180×2=360707+65×4=967333×6=1998766-(219+347)=200283-22×4=195358-(286-174)=24673-(184-169)=58742-625+682=799829-230=5994/10+3/10=7/10285+37+80=402688+189=877279-83=196280+256+122=658241+109=350260-(389-156)=27182+67×9=78551×8+351=759639+(612-413)=838367-141=226581+493-849=225258-(185-149)=222999-611=388417-183=234134+126+295=555453-340+252=365888-698=190755+878-182=1451528-129×4=12308-109×2=90529-179+995=1345656+761-428=98942×(60-55)=210383+78-92=369584+458=1042360-41-75=244228×8=1824620×3=1860133+887-435=585421×(967-964)=1263654-(160+119)=375107-58+23=72213+96=3091/8+3/8=4/8471×(74-71)=1413242+102=3445/10-2/10=3/10340-317+385=408138+273=411509-(196+88)=22522×4=8831+14=45138+219×3=795293+374-289=378359+(459-385)=433751×6-662=3844292×9-373=2255903-72×6=471807-250-435=122415+(972-660)=727278-118+336=496266×3-564=234376+113=489109×(84-75)=981493+23×3=562115+113-190=3879×6=474394-69-271=54168+80+300=548327×3-116=865349-(112+45)=192116+82×6=608902+398+626=1926330-153=177553×7-659=3212394×(312-309)=1182223+239×2=701312+250×3=1062206+266=472864-379×2=106117+450-396=171480×2-358=602595×7=4165222+(424-362)=284804×6-328=4496478+62×9=1036239+313×2=865379+788-301=866809+132+745=1686994+114-48=106067×(106-98)=536127×2+300=5543/7-2/7=1/7554-(67+449)=38903×3-534=2175570+61×8=1058374-301+18=91145×(333-328)=725158+283+465=90625+(382-149)=258198-(112-68)=154415-82×4=8733×(321-316)=165614+(197-160)=65135×8+827=1107111+(752-103)=760173+270=443284×2=568449-(250-125)=32456×7-57=335315×2+355=98567+228=29593+(256-214)=135269+360=6292/3-1/3=1/3363-(260+23)=80626-390=2364/8-3/8=1/8496×(976-969)=3472231-189=4235+361-209=187291-(178-77)=190479-74-138=267887-448=439197×(180-175)=985167-16×2=135894×(575-571)=3576567+925-768=724455-145=310306+462=76892+(338-239)=191325-92×3=49915+480+28=1423120+359=479793-(602+136)=55419-124-223=72448+(431-119)=760116×4+232=69619×2+495=533415-95×2=225115×(958-949)=1035533-20+816=1329108×7-151=605451+54+133=638890×3-626=204451×7=357624×(200-192)=4992367-(868-554)=53212+245-387=70955-(543-263)=675150-92=58484-480+225=229414-15-397=2278-124+133=2876/10+4/10=13/6+2/6=5/6968-936-24=8337+(485-134)=688503+144=647113×4-165=287917-186-40=69173+(297-60)=310827-(199+347)=281459+215+246=920548-449+831=930392×4-288=1280340+146-272=214752-168×3=248812+447=1259892×9-268=776083×7+685=126611×5=5570×(174-168)=420498-(282-57)=273947-214×3=305302+53×3=461221-(165+13)=43872-137+595=1330330-(417-209)=122799-(950-753)=602208+188=396483+206+296=985487×2-503=471891+735+501=2127478+(897-833)=542294×3-857=25312-(395-325)=24298×2+50=246328-(91+92)=145214×(864-856)=171272+316=388110+(161-94)=17751×5=255271×3+679=1492992-(738-196)=450208-23+200=385872-372-145=355498-332=166237+232=469423+(258-136)=545361-313=48860-210-633=17469×9=4221240×3-256=464184×3+803=1355383-161+189=41140+(953-36)=957114×3-303=39149+291=4401/8+5/8=6/8140-32×2=7699+139=238174×4-358=33820+194+945=1159824+53+72=94927+221-135=113707×6-912=333077×(224-221)=231632-394+407=645824-812=12112×4+122=570581+551=1132730-(290+343)=97615+235+105=955462-11-73=378107+356-343=120321-142+307=486106×5=530814+133×6=1612347+337+795=1479804-82×5=394492-136-289=67529-61=468269×2+327=865322-98=224866-548=318358-(251-57)=164252-(536-315)=3122×(354-347)=154882+306×2=1494483-117=366112+82=19415×2+97=127854-233×2=388173+265=438595-87×4=247222+133+54=40929×(218-209)=261239×2+432=910206-90×2=26427+(398-187)=6384/6-1/6=3/65/9-1/9=4/9769-22-314=433285×3=855344-189=155125×5-338=287397-(391-135)=141881-(241+481)=159769-(337+136)=296116+156-85=18765+238=303362×(760-752)=2896377-68+28=337321-(487-424)=258409-(98+249)=62966-909+815=872293-(822-652)=123924-(824-625)=725303-176=127421-(175+215)=31380-122-177=81131×(350-345)=655369-(180+59)=130467-(172-48)=3434/8-1/8=3/8416-233+53=236527×3-414=11674