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225×3=238+(450-302)=151×5-438=764-(464+155)=54+128+263=545×3-53=151+224=248×2-264=241+496=997-618-21=636×(176-173)=472+247+20=132+419=388-131-169=127×4-151=73×(491-482)=384-13×3=260-154=473-276+73=879-(953-394)=525+685-128=232-102+334=3/7-1/7=178+107-182=475-(78+293)=368+(997-854)=380-307-66=307-160+209=860×4-840=868-585=777+348=670-(299+40)=378+45-361=822-170=498-169=4/8+2/8=5/10+2/10=447+270+95=396+(252-108)=619+260=1/7+4/7=752+803+99=310×2+349=285-193=192+97-79=697+333+132=36×3-75=151+79+520=923-(600-151)=762-102×2=166-68+352=155-134=906-(588+178)=369-(495-413)=438×8=92×4+265=604×(144-135)=18×8+358=290-48=496-385=347-163-178=825-199-36=224-102-19=434-(269+28)=393-182+128=888-374-244=818-254+411=441-(207-135)=487-(362-225)=347-104×3=413-208=315×9=648-(771-229)=144+(660-654)=586-554-24=101×7=20×8=556-(43+277)=291-13×4=534-71×4=767-(331+18)=175-81+245=58+227=434-294+474=471+(709-580)=862+890-993=212+116+146=901-178×4=331×2-604=813+(924-151)=683-537=478+(348-219)=429-(423-56)=252-75×2=285×3=268×3-752=494-(170+182)=931-324-440=199×(225-222)=888×5-245=967-206=344-298+449=475×2=414-(247+149)=207-151=930+866-581=40+210=124×6+42=49×9=869-110×4=470-(487-465)=29+(390-158)=435-(136+241)=611-447+584=784-333+422=575×(881-874)=669-(825-709)=693-(12+376)=976×(953-945)=126×3+463=218-(335-249)=178×3=403-91×2=410-241=390+353=24×(322-316)=691+30+247=189+696+10=852+114×5=948+81×8=681×7=53+289+63=855-(515+35)=294-(145+35)=121+194=85+315=401-(116+107)=966+450-847=423+46+140=474×2=152+(310-101)=68+389-118=40+161=3/5-1/5=489-105-318=881+433+360=193+(493-130)=152+224+548=129×(250-247)=164+247=366×2-416=808-79×7=278+(800-768)=474+346+132=133-(379-307)=814-352+960=857×3-69=149+114=201+113=903-(191+457)=204-(299-240)=497+(667-395)=632-86=818-167+890=724+(604-136)=69-34+211=380-74×2=435-(283-98)=459-302+25=281×9=869×(722-717)=500-(329+138)=205-39×3=500-189-145=838-128×4=688-237-295=3/6-2/6=172+23-154=926×5=675-326×2=940-397×2=924-505-327=38×5+788=954-183×5=997-(342+223)=4/10-2/10=183-(411-401)=191×(54-51)=242-194=245+404+216=358+420+149=374+(719-37)=223×(488-485)=485-396=73×6=341×3=161-107-39=936-147=201+(488-67)=798+279+966=949-262-499=248-(47+79)=870+55-741=435+190×4=420×2-595=694+306=375+(385-321)=342-(431-126)=450-223=99+258=297+245=406×6-626=919+302=366+(165-116)=142×(369-363)=348×8-570=270×3-563=427×(824-816)=303×2=957+(701-110)=205+20+277=36+787+73=388-(88+135)=360×8-535=110×6=723-566+97=279-(123+66)=858-651-100=28×(136-133)=184+215=55+819-141=345+(487-346)=295+(246-54)=28+468-485=922+443=590+(904-21)=418-278+177=399-(38+36)=193+215-324=97×(380-375)=170×4-225=290-(160+69)=360+(246-187)=174-154+131=320+57=218×4-224=288+43×4=302-72×2=477-(427-34)=605-111-225=172+290-300=120+564+433=429-134-249=120+219+286=173+119-63=7/10+2/10=830+27-728=341+46-338=397+847=787-282=194×3=262+518-190=398-374+92=256+181-375=97×7=797-338+916=386-42-41=282-(22+152)=73×(44-38)=839-738=802-14-309=410+422×2=267-49×2=401-112-81=55×6=969-360-557=480-(429-134)=92+289=220+209×3=242-208=462-(86+34)=991×(372-369)=318-28+27=26×3=566+230-687=7/10+3/10=131+150+174=97+110=195+919+438=156×3+67=66×(417-409)=22×8+460=2/7+3/7=34×3=862+690-403=384×2-561=10×6+115=442+679+227=7/10-3/10=310+17×2=3/7+2/7=109×(261-257)=949+459+273=168-(840-720)=278+38×2=553+(890-437)=43×2=277-259+234=722+486-592=336-306=124×5=709×8=146×4-496=365-(475-422)=107+819+646=643+618-860=907-704=168×(398-392)=493+174+69=242×4-67=109-69+88=425-13×6=288+464-584=887+228×2=211×4+909=97+34-40=424-26-380=162+549=145×3-159=256-15×8=66+197-204=4/7-2/7=454+41+66=485-(242-59)=703+580+229=874+392+97=407-199=81+96+823=31×4=3/7-2/7=94×(370-362)=221+(449-46)=2/8-1/8=464-(70+213)=271-(150-133)=67×4+978=866×5-598=941-53×7=656×4=210×4+517=777×(562-555)=95×2-40=735-284+325=29×3=760+136=717+231+862=442-240=428-116=300-31×2=452-399+194=164×2-143=646-535-80=251+41×4=287×2=794+119-865=34+412-86=447×2=859-233×2=383+891-473=480-(14+441)=997-(245+55)=260-99-65=293-114=27+299+228=306×2-560=302+859-613=67-(327-304)=102+360=565+(523-92)=623+(725-470)=239-49×3=133×6-631=385+30×5=464-224+225=483-456+116=132+(161-15)=244-(414-319)=213+(830-390)=58×(20-15)=100-79+392=734×(957-952)=493-(149+288)=601+(794-777)=890×5-231=459-(584-566)=212×4-340=518-82×3=862×(274-265)=700+12×6=904×(742-733)=491-270+90=280×2=655-516=157+(875-708)=71×7+412=227×4-389=85+48+194=190-167+397=183+64=133×5=314+598+79=7/9-2/9=119+(390-271)=965+943-805=137+(398-119)=320+982-807=881-(410-371)=381-(423-197)=107×5=71×(414-411)=595×5=984+99×5=465-124+53=169-73-34=512×6-416=376-171×2=422+711+57=393-221+86=164+910-583=809-589=21+(316-99)=328-230=287-(88+30)=943-(711-80)=135+110-215=240+83=155+288×2=150-16×6=392-354+437=902-676=425-84=900-88-353=169+779-546=4/8-3/8=967-(876-737)=416×6-718=758+592-405=236+229-342=901×9-711=447-66×2=575-(818-633)=656×(309-304)=250×4+504=199-(78+18)=257+(976-799)=366-23=257-20-139=245×3-359=175×7=470-(102+70)=894-(501-278)=54×(29-20)=298-153=462-97-84=372+(158-150)=58+26×8=368+35-82=381+367=15×3=496-(954-870)=470-313+57=594-376+283=585×(675-672)=775+732=300-(48+45)=861-300-306=107-95=507-(937-697)=432-255=937×(505-501)=287+43-236=936-290×2=77+229-83=413×4-464=35+389-43=78×4+428=14+(454-37)=427×5-163=979-(264+68)=350-13=918-873+155=2/6+3/6=315-(460-182)=455-(724-585)=743×(972-964)=4/10+6/10=115-(359-347)=69+333=159+(491-326)=630-45×2=401-59×6=387+112-452=845-747-83=710+205=124+374=882-126-45=531×(51-43)=584+18+373=867-555+472=386-122-227=167+(425-385)=487-437+625=495+(495-170)=804-259×2=122-27×3=219×4=645×(156-150)=147×5-322=215+(478-286)=180×(709-702)=992-(933-239)=361+750-380=428-(346-59)=230-(286-223)=39+273+629=6/7-1/7=202-63×3=252-191+898=362-299+54=48×4-60=164×7-187=197-123+698=857-(112+348)=47×(328-322)=661×(523-514)=370-301-25=407-96×2=169-79-66=878+63×9=4/8+3/8=115+96×2=985+(552-368)=685+(887-143)=174+94+815=178+65×8=627-506=85+44=487-65-316=211-(334-225)=266-134=597×9-712=121×8+296=363-214=91×(134-131)=178-(111-16)=831-(934-598)=406-(241+45)=300-(72+187)=141-12×2=989-96-118=209×4+87=484-(155+127)=906-(238+555)=301×(93-90)=935+(939-208)=390-61=921-207+36=802-(181+361)=715+353+568=459×2-445=813-(926-700)=110×2+181=592+(806-49)=429-76×5=906-(608+75)=584×5-18=155×2+621=264+(454-408)=40×7+75=718-(263+249)=136×7+113=443-335=363-19×6=6/9-3/9=315×3-845=443×6-713=664-630-25=938-763+218=226×2+71=784-(154+517)=293×3=751×(223-219)=853-150-107=180+224×3=918×(712-704)=165×5-485=690×(857-848)=613-(23+519)=534+882-818=186-19×3=666-100×5=488-130=974-60×2=806-565=87-(24+54)=167×3+616=208-84×2=994-(969-430)=299+(370-125)=123×6+222=130+291-381=362-259-99=234×5-525=192×4=91+188×2=62×(260-251)=163-(672-666)=477-(389-314)=301-76=502-43-30=116+47×9=55+(328-69)=482-56-356=381-10×4=475+322=510+256=742-(514-150)=407-132×2=371-263+382=289×3=135×4-398=120×7+30=361+(102-100)=156+(354-128)=483×6=316-(356-69)=145+26=140×7=54+(886-633)=112+298-42=641-193+53=287-93-171=858-797+263=573+795=551-(904-846)=483-246+110=469-(10+264)=855+(414-344)=56×3=96+391-40=161-(220-168)=788-(79+595)=397-214-125=928-554+848=191+306-24=740-523=850-262-189=129+290=102×8-503=435+199+262=36+152=518-51×4=210×(182-179)=231+(321-194)=129+884+309=151×5-261=225+338+822=434+51-402=364+106=301×2=30×7+45=1/5+3/5=649-156+864=967-(84+615)=82×6-81=948+(976-719)=764+701-546=191×(455-450)=458×2-79=435+198×4=429-(285+20)=747-(360+322)=338-51=712-(106+242)=53×(473-467)=677-169-159=217-22-100=469-365+172=509+801=552×6=194-161+195=472-389=134×2+484=253+141=172+98=176+302=423-(184+86)=241-(402-166)=121×5+951=118×8-893=687-168=623+350×2=947+863+169=913-455=394+274×2=578-78×3=944-239+424=138+76=50+178=584+(602-104)=438+781+187=575+364+507=440-(445-440)=217-109+321=245+143-104=445-45=236+32-91=433-163=42×6=389-177-176=476-(657-585)=180-152-19=934-(762-323)=982-515-63=80×(878-872)=585+110=928-(894-251)=435-223-152=841-796+244=681-660=223+104×2=812+829+780=675+234+200=674-317-289=283-254=769-364+797=242×6=989+922+213=112+241+243=345+127-461=321×2-277=191+29+529=305-(477-384)=103×6-475=901-201-442=499-360=520+379=872-391+964=6/8+2/8=440-23×5=347-43×7=984×(921-913)=88+14+811=137+110×6=880×7-803=343+241=219×(364-361)=680-(538+103)=336-50×3=130+86-205=46+316+154=170×5+147=661×9=334-194-41=157×4=312-(55+168)=323-109×2=86×9=63+622+373=870-143×3=482×(303-294)=916×9=963-(316+588)=50+588+193=857-611+342=404-(441-424)=115×8=462×3=528-213+733=530+165=521+117×3=559+455-822=352-(260+61)=859-28×3=237+234+218=87+53=596-207-362=246×4-166=681×8-868=849×5=737+691=914-111×8=179×7=591×(594-586)=19×(470-465)=398-123×3=638-543=848-272=446-(208-43)=493+441-313=842×(837-830)=417-(115+110)=44×7+485=571+258=600-(589-271)=908-198-259=246+400+15=462-(27+165)=26×(90-81)=16+12×6=483-202-103=683+942-99=291-23×9=115×(309-305)=887-316×2=145×(153-150)=681+(608-283)=415-123-265=242+192-384=124×(324-321)=226-77×2=354+628+700=693-(313-256)=496+154×3=272+129-346=42+(246-49)=17×(267-261)=181+202=909-(20+411)=800-320×2=618-(52+345)=445-(398-175)=95×5=888×2=966×3=68×2=130+279=337+200-25=825-740+68=672×8-631=138+(409-320)=13+(888-119)=126×(137-134)=146+150+492=360-64-168=196+81=459-(124+183)=348-309+285=184+199=477+(85-23)=299-40×4=574×7-896=697-136×5=832-602=262×6-239=647-423=197+(420-97)=996-379=498-21-97=319+173×4=249+257+302=128×(34-30)=348×2=886+973=参考答案225×3=675238+(450-302)=386151×5-438=317764-(464+155)=14554+128+263=445545×3-53=1582151+224=375248×2-264=232241+496=737997-618-21=358636×(176-173)=1908472+247+20=739132+419=551388-131-169=88127×4-151=35773×(491-482)=657384-13×3=345260-154=106473-276+73=270879-(953-394)=320525+685-128=1082232-102+334=4643/7-1/7=2/7178+107-182=103475-(78+293)=104368+(997-854)=511380-307-66=7307-160+209=356860×4-840=2600868-585=283777+348=1125670-(299+40)=331378+45-361=62822-170=652498-169=3294/8+2/8=6/85/10+2/10=7/10447+270+95=812396+(252-108)=540619+260=8791/7+4/7=5/7752+803+99=1654310×2+349=969285-193=92192+97-79=210697+333+132=116236×3-75=33151+79+520=750923-(600-151)=474762-102×2=558166-68+352=450155-134=21906-(588+178)=140369-(495-413)=287438×8=350492×4+265=633604×(144-135)=543618×8+358=502290-48=242496-385=111347-163-178=6825-199-36=590224-102-19=103434-(269+28)=137393-182+128=339888-374-244=270818-254+411=975441-(207-135)=369487-(362-225)=350347-104×3=35413-208=205315×9=2835648-(771-229)=106144+(660-654)=150586-554-24=8101×7=70720×8=160556-(43+277)=236291-13×4=239534-71×4=250767-(331+18)=418175-81+245=33958+227=285434-294+474=614471+(709-580)=600862+890-993=759212+116+146=474901-178×4=189331×2-604=58813+(924-151)=1586683-537=146478+(348-219)=607429-(423-56)=62252-75×2=102285×3=855268×3-752=52494-(170+182)=142931-324-440=167199×(225-222)=597888×5-245=4195967-206=761344-298+449=495475×2=950414-(247+149)=18207-151=56930+866-581=121540+210=250124×6+42=78649×9=441869-110×4=429470-(487-465)=44829+(390-158)=261435-(136+241)=58611-447+584=748784-333+422=873575×(881-874)=4025669-(825-709)=553693-(12+376)=305976×(953-945)=7808126×3+463=841218-(335-249)=132178×3=534403-91×2=221410-241=169390+353=74324×(322-316)=144691+30+247=968189+696+10=895852+114×5=1422948+81×8=1596681×7=476753+289+63=405855-(515+35)=305294-(145+35)=114121+194=31585+315=400401-(116+107)=178966+450-847=569423+46+140=609474×2=948152+(310-101)=36168+389-118=33940+161=2013/5-1/5=2/5489-105-318=66881+433+360=1674193+(493-130)=556152+224+548=924129×(250-247)=387164+247=411366×2-416=316808-79×7=255278+(800-768)=310474+346+132=952133-(379-307)=61814-352+960=1422857×3-69=2502149+114=263201+113=314903-(191+457)=255204-(299-240)=145497+(667-395)=769632-86=546818-167+890=1541724+(604-136)=119269-34+211=246380-74×2=232435-(283-98)=250459-302+25=182281×9=2529869×(722-717)=4345500-(329+138)=33205-39×3=88500-189-145=166838-128×4=326688-237-295=1563/6-2/6=1/6172+23-154=41926×5=4630675-326×2=23940-397×2=146924-505-327=9238×5+788=978954-183×5=39997-(342+223)=4324/10-2/10=2/10183-(411-401)=173191×(54-51)=573242-194=48245+404+216=865358+420+149=927374+(719-37)=1056223×(488-485)=669485-396=8973×6=438341×3=1023161-107-39=15936-147=789201+(488-67)=622798+279+966=2043949-262-499=188248-(47+79)=122870+55-741=184435+190×4=1195420×2-595=245694+306=1000375+(385-321)=439342-(431-126)=37450-223=22799+258=357297+245=542406×6-626=1810919+302=1221366+(165-116)=415142×(369-363)=852348×8-570=2214270×3-563=247427×(824-816)=3416303×2=606957+(701-110)=1548205+20+277=50236+787+73=896388-(88+135)=165360×8-535=2345110×6=660723-566+97=254279-(123+66)=90858-651-100=10728×(136-133)=84184+215=39955+819-141=733345+(487-346)=486295+(246-54)=48728+468-485=11922+443=1365590+(904-21)=1473418-278+177=317399-(38+36)=325193+215-324=8497×(380-375)=485170×4-225=455290-(160+69)=61360+(246-187)=419174-154+131=151320+57=377218×4-224=648288+43×4=460302-72×2=158477-(427-34)=84605-111-225=269172+290-300=162120+564+433=1117429-134-249=46120+219+286=625173+119-63=2297/10+2/10=9/10830+27-728=129341+46-338=49397+847=1244787-282=505194×3=582262+518-190=590398-374+92=116256+181-375=6297×7=679797-338+916=1375386-42-41=303282-(22+152)=10873×(44-38)=438839-738=101802-14-309=479410+422×2=1254267-49×2=169401-112-81=20855×6=330969-360-557=52480-(429-134)=18592+289=381220+209×3=847242-208=34462-(86+34)=342991×(372-369)=2973318-28+27=31726×3=78566+230-687=1097/10+3/10=1131+150+174=45597+110=207195+919+438=1552156×3+67=53566×(417-409)=52822×8+460=6362/7+3/7=5/734×3=102862+690-403=1149384×2-561=20710×6+115=175442+679+227=13487/10-3/10=4/10310+17×2=3443/7+2/7=5/7109×(261-257)=436949+459+273=1681168-(840-720)=48278+38×2=354553+(890-437)=100643×2=86277-259+234=252722+486-592=616336-306=30124×5=620709×8=5672146×4-496=88365-(475-422)=312107+819+646=1572643+618-860=401907-704=203168×(398-392)=1008493+174+69=736242×4-67=901109-69+88=128425-13×6=347288+464-584=168887+228×2=1343211×4+909=175397+34-40=91424-26-380=18162+549=711145×3-159=276256-15×8=13666+197-204=594/7-2/7=2/7454+41+66=561485-(242-59)=302703+580+229=1512874+392+97=1363407-199=20881+96+823=100031×4=1243/7-2/7=1/794×(370-362)=752221+(449-46)=6242/8-1/8=1/8464-(70+213)=181271-(150-133)=25467×4+978=1246866×5-598=3732941-53×7=570656×4=2624210×4+517=1357777×(562-555)=543995×2-40=150735-284+325=77629×3=87760+136=896717+231+862=1810442-240=202428-116=312300-31×2=238452-399+194=247164×2-143=185646-535-80=31251+41×4=415287×2=574794+119-865=4834+412-86=360447×2=894859-233×2=393383+891-473=801480-(14+441)=25997-(245+55)=697260-99-65=96293-114=17927+299+228=554306×2-560=52302+859-613=54867-(327-304)=44102+360=462565+(523-92)=996623+(725-470)=878239-49×3=92133×6-631=167385+30×5=535464-224+225=465483-456+116=143132+(161-15)=278244-(414-319)=149213+(830-390)=65358×(20-15)=290100-79+392=413734×(957-952)=3670493-(149+288)=56601+(794-777)=618890×5-231=4219459-(584-566)=441212×4-340=508518-82×3=272862×(274-265)=7758700+12×6=772904×(742-733)=8136491-270+90=311280×2=560655-516=139157+(875-708)=32471×7+412=909227×4-389=51985+48+194=327190-167+397=420183+64=247133×5=665314+598+79=9917/9-2/9=5/9119+(390-271)=238965+943-805=1103137+(398-119)=416320+982-807=495881-(410-371)=842381-(423-197)=155107×5=53571×(414-411)=213595×5=2975984+99×5=1479465-124+53=394169-73-34=62512×6-416=2656376-171×2=34422+711+57=1190393-221+86=258164+910-583=491809-589=22021+(316-99)=238328-230=98287-(88+30)=169943-(711-80)=312135+110-215=30240+83=323155+288×2=731150-16×6=54392-354+437=475902-676=226425-84=341900-88-353=459169+779-546=4024/8-3/8=1/8967-(876-737)=828416×6-718=1778758+592-405=945236+229-342=123901×9-711=7398447-66×2=315575-(818-633)=390656×(309-304)=3280250×4+504=1504199-(78+18)=103257+(976-799)=434366-23=343257-20-139=98245×3-359=376175×7=1225470-(102+70)=298894-(501-278)=67154×(29-20)=486298-153=145462-97-84=281372+(158-150)=38058+26×8=266368+35-82=321381+367=74815×3=45496-(954-870)=412470-313+57=214594-376+283=501585×(675-672)=1755775+732=1507300-(48+45)=207861-300-306=255107-95=12507-(937-697)=267432-255=177937×(505-501)=3748287+43-236=94936-290×2=35677+229-83=223413×4-464=118835+389-43=38178×4+428=74014+(454-37)=431427×5-163=1972979-(264+68)=647350-13=337918-873+155=2002/6+3/6=5/6315-(460-182)=37455-(724-585)=316743×(972-964)=59444/10+6/10=1115-(359-347)=10369+333=402159+(491-326)=324630-45×2=540401-59×6=47387+112-452=47845-747-83=15710+205=915124+374=498882-126-45=711531×(51-43)=4248584+18+373=975867-555+472=784386-122-227=37167+(425-385)=207487-437+625=675495+(495-170)=820804-259×2=286122-27×3=41219×4=876645×(156-150)=3870147×5-322=413215+(478-286)=407180×(709-702)=1260992-(933-239)=298361+750-380=731428-(346-59)=141230-(286-223)=16739+273+629=9416/7-1/7=5/7202-63×3=13252-191+898=959362-299+54=11748×4-60=132164×7-187=961197-123+698=772857-(112+348)=39747×(328-322)=282661×(523-514)=5949370-301-25=44407-96×2=215169-79-66=24878+63×9=14454/8+3/8=7/8115+96×2=307985+(552-368)=1169685+(887-143)=1429174+94+815=1083178+65×8=698627-506=12185+44=129487-65-316=106211-(334-225)=102266-134=132597×9-712=4661121×8+296=1264363-214=14991×(134-131)=273178-(111-16)=83831-(934-598)=495406-(241+45)=120300-(72+187)=41141-12×2=117989-96-118=775209×4+87=923484-(155+127)=202906-(238+555)=113301×(93-90)=903935+(939-208)=1666390-61=329921-207+36=750802-(181+361)=260715+353+568=1636459×2-445=473813-(926-700)=587110×2+181=401592+(806-49)=1349429-76×5=49906-(608+75)=223584×5-18=2902155×2+621=931264+(454-408)=31040×7+75=355718-(263+249)=206136×7+113=1065443-335=108363-19×6=2496/9-3/9=3/9315×3-845=100443×6-713=1945664-630-25=9938-763+218=393226×2+71=523784-(154+517)=113293×3=879751×(223-219)=3004853-150-107=596180+224×3=852918×(712-704)=7344165×5-485=340690×(857-848)=6210613-(23+519)=71534+882-818=598186-19×3=129666-100×5=166488-130=358974-60×2=854806-565=24187-(24+54)=9167×3+616=1117208-84×2=40994-(969-430)=455299+(370-125)=544123×6+222=960130+291-381=40362-259-99=4234×5-525=645192×4=76891+188×2=46762×(260-251)=558163-(672-666)=157477-(389-314)=402301-76=225502-43-30=429116+47×9=53955+(328-69)=314482-56-356=70381-10×4=341475+322=797510+256=766742-(514-150)=378407-132×2=143371-263+382=490289×3=867135×4-398=142120×7+30=870361+(102-100)=363156+(354-128)=382483×6=2898316-(356-69)=29145+26=171140×7=98054+(886-633)=307112+298-42=368641-193+53=501287-93-171=23858-797+263=324573+795=1368551-(904-846)=493483-246+110=347469-(10+264)=195855+(414-344)=92556×3=16896+391-40=447161-(220-168)=109788-(79+595)=114397-214-125=58928-554+848=1222191+306-24=473740-523=217850-262-189=399129+290=419102×8-503=313435+199+262=89636+152=188518-51×4=314210×(182-179)=630231+(321-194)=358129+884+309=1322151×5-261=494225+338+822=1385434+51-402=83364+106=470301×2=60230×7+45=2551/5+3/5=4/5649-156+864=1357967-(84+615)=26882×6-81=411948+(976-719)=1205764+701-546=919191×(455-450)=955458×2-79=837435+198×4=1227429-(285+20)=124747-(360+322)=65338-51=287712-(106+242)=36453×(473-467)=318677-169-159=349217-22-100=95469-365+172=276509+801=1310552×6=3312194-161+195=228472-389=83134×2+484=752253+141=394172+98=270176+302=478423-(184+86)=153241-(402-166)=5121×5+951=1556118×8-893=51687-168=519623+350×2=1323947+863+169=1979913-455=458394+274×2=942578-78×3=344944-239+424=1129138+76=21450+178=228584+(602-