三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦517×7-58=335+512+55=185+(444-397)=34×4+62=114×(104-96)=279×9-322=634+139×2=798+595+456=169×4-185=139×(342-335)=473-(45+227)=366+106-225=322-205+805=377-71-179=222×4-720=21×2+744=55×(260-254)=304+186-327=630+(643-500)=191+335+78=1/4+2/4=98+102=124×(84-80)=959-359-460=181+117=444+(387-183)=965-208=459-101+706=372×2-673=151+258×2=2/5-1/5=591×2=355+109-179=13×8=232-18×9=355-75×4=425-(452-263)=118×3+680=348+218+967=946-(441+273)=126+790+691=811+702+942=338-239=382-18×4=722+(389-178)=35+159+80=972-(700+143)=294-70×3=914+853-341=394-316+413=361+306+329=306-120×2=491-103-281=401-(297-218)=73+284=806-129+653=18×(415-407)=671+186+23=16×(265-259)=318+45-261=609+473+168=488-257=920-(559+38)=313-(173+126)=482-56-173=494+510+624=4/10+3/10=297×2+801=725+798-420=26+20×7=457-(288+134)=181×4-28=129+(911-13)=670-412=468+96+425=347-267-12=4/10-2/10=480+(419-296)=510+149=119×(270-262)=143-(302-282)=847-(376-80)=514×5-470=28+252-231=625+(418-24)=135×(53-48)=113×(220-213)=590-(589-449)=800-(526+45)=887-(665-492)=721-118-166=393+(498-357)=6/10-2/10=857-549=956+402=120×7=226+(727-53)=429×4=116×8=215×2+64=243-(101-58)=408+81=51×8=656+264+36=448-215=994-930+637=187×(43-38)=131+(482-240)=470-(236+25)=75×(445-436)=596×(897-891)=91×7+154=507×7=453-20×4=971-140×3=605+452=1/7+2/7=337+50×7=347-32=407×(521-515)=209-49=868+750-70=3/8+2/8=478-(183+44)=531+979-53=412-396+108=335-235=906-(344+393)=222×7=20×(467-463)=908-285+444=921-703=18×3+812=479+(455-453)=444-247+249=518-38=650+(911-835)=144×5-684=92+254-170=5/8-1/8=226+118+431=11+(556-51)=104-20×5=440×2-388=345-(77+267)=396-(255+102)=767-133×4=965-811-56=104+271=305-211-43=937-(913-820)=128-(891-886)=339-(21+132)=475-(160+171)=562-291=208+90=851-216×2=578-(813-441)=128-(30+66)=270+180-407=524-152-306=86+355=214+(242-20)=476-23×5=398+111=145+48×4=437×7-262=985-687+360=909×7=236×4+251=895-431=820-32×4=147+342-222=645×7-989=301-(210+75)=711×6-647=28×(362-358)=975-183-438=860+773-494=367-(158+80)=370-(155-115)=153+345=442×(933-929)=48×(105-96)=23×8=416+266+69=103×2-178=896-(50+100)=253-28×4=270+204×2=402+265+668=495-297+142=685-103×3=243-(381-153)=390-355-13=399+73=981×5=849-(149+490)=221+89=410-(243+58)=375×4=368+90=696+109+58=881-152×5=488-482+55=405-267-62=452×2-25=222-25×2=98×2=171-(311-310)=855-(254+344)=93+541=343+81=440-351+68=755×6=95×8-707=741+107×9=467-(308-204)=551+31+956=181×6=493+68×5=491-354+122=458-(11+202)=378-79+46=179×7-599=256×2=380-(433-267)=985-(789-740)=229-118-36=86+446×2=664×6-460=982-48=552-(151+65)=250×2+923=871×3=349+250=813-(237+18)=336+323=112×7=463-338-89=439×2-79=294+365=163-58+273=233+106+222=693+(679-506)=383×4=422-(358-140)=443-218×2=449-(51+139)=94×(263-255)=981-519+904=372-157-99=776-(951-274)=284+283+373=445+45-19=98+(170-158)=803×9-982=703-444+14=13+330-283=293-(390-114)=992×(235-227)=276-(308-278)=352-(252-192)=541×(695-692)=562-(134-28)=119×8-585=830-50-605=193+738=711-598+976=184-32-33=406×2=453×2+82=236-125=359-(84+184)=152-13×6=303-(244-240)=352-51-149=145+331-185=447-56×5=255-95=378-129+105=646-(489-96)=120-(391-373)=513-54×7=112+20=651-71×3=439-19×8=454×2-57=974-(908-887)=553+(826-240)=2/10-1/10=816+(694-254)=368-61×4=361-(219+139)=57-15×3=508-(368+62)=218+(226-195)=940-(84+732)=659+273-760=225+315=997+487+537=927+(275-26)=338×2=139×4+137=312-(881-753)=461×2+20=2/4-1/4=471×(52-49)=419-313=180×2=901-380+833=688-12×7=692+133×6=282+177-280=986-(455-151)=684-(923-426)=753+(511-49)=291-(72+41)=497-64×4=144×5-469=496×(216-210)=936-(316+260)=451-120+164=766-607-92=758×3-282=101-48=377+(187-107)=498-274-217=287×(243-238)=153×2-253=1/6+5/6=857+113×6=117×5+181=363-(137+83)=731+267+483=882-53×4=953-(291-227)=562-(15+526)=842-51×3=669×4-456=465+28-284=384-61×5=432-382=168×(138-135)=348-137=284-84+202=661+525=277+72=531×(124-116)=433-381-25=347+(269-212)=94×(200-194)=2/7+3/7=960×4=321×2+321=535+158=500-(242+38)=317-213=786+151+398=566×4-909=975-336-189=68×2=212-(575-479)=795-(642-208)=225×2=207+(291-254)=852-456+738=336+116×3=849+647+310=352-(103+45)=540+797=858+49+64=163×5+884=341-(168-146)=427-(53+173)=115+(427-318)=854-194-369=965-168+434=196+40=382-(234+17)=677-454=290+100=22+47×6=160+89+559=329×2+311=361+980-548=340-145×2=338+30+659=840-722=498-19-432=981-13-308=677-(45+428)=500+(855-251)=750×6=318-307+167=391-69-99=881-(357+69)=409+986-919=263×2-355=259-78+177=188+(297-207)=154×4=79×7=397+26+158=349-(298-98)=497-358+31=392-(298+40)=748-91×4=681-576=403+48-50=247×4=99+(871-698)=29+477+365=77+26=460+(117-73)=496-424=789×9-35=53+190=861+(490-221)=788-(563-359)=47×4+82=187+205-252=776-329-347=437-131=402+(194-177)=461+469-26=272+234+304=125+163=1/10+3/10=55×2=880×9=375-193=928×7=442×7-112=132×4-202=678-(361+163)=172×(177-174)=109×(226-218)=633+164+197=309+67=794-212+409=469×2=465-181×2=184-68+54=771-(728-168)=886-(601-273)=495×(662-653)=420+861+976=62+201+914=219+159-190=760-(566-405)=288+157-294=331-118=315+83+121=928-244=15×4=371×2-154=445-36×7=349-236+304=31×(175-169)=30+818+277=33×3-40=716+801+184=275+210+120=363+415=64+193×3=2/7+4/7=342-242+369=142×3=164×3=495×2-272=962×5=384+(237-26)=44+363-119=331+229-265=508×5-298=686-438+946=400-263=23×2=414+65×3=820-(142+91)=21-(224-215)=139+144=29+953-191=394-(314-116)=417-(298+82)=318-33-74=451-100+73=286×(230-227)=183×5-250=452×2-266=818-240-132=150+110=795+899-933=6/9-3/9=298×2=391-173+248=938-490+32=288-217=110+960-608=369×8-577=373-(25+167)=359-293+450=728-374+937=198+605+100=266-254+44=381+170+364=156+591=319+531=300+(255-163)=3/8-1/8=641-(139+144)=598+(820-448)=130×5+423=858-434-406=656-503=690-436+286=7/9+2/9=93×7+195=209+274=300+(284-35)=534-182×2=493-23×7=365×9-96=699-318-360=634+547-678=848-(871-58)=2/8-1/8=818-71×3=192+(312-130)=884+(966-855)=216×(553-545)=669×(55-50)=456-(410-257)=150-64-65=491+124×6=87×(322-316)=239-(310-123)=610+487+376=94+407×2=230×5-462=308+80+313=227+836=246-(330-166)=27×5+241=397×2-560=3/6-1/6=120×5+343=257-13×6=367-174=385-(102+123)=860-399-197=365-(85+108)=205+71=625+223+84=87+(267-29)=605+65+219=2/6+3/6=181×(433-428)=365-241=186-(453-405)=77×9=773×(979-971)=481-205-210=243+104-54=248+31×8=299-170=213+(871-21)=318-185=442-417+33=134×2+354=272-(97+132)=34+(276-269)=671-66×5=917-876+729=186×5-475=467+465-876=231+160=966+22-553=956-460=137×5-20=348+931=305-37×2=288-57+67=620+154×5=986×(721-716)=660-462=103×(130-124)=416-180-189=260-85×3=134-39×2=694+(778-724)=63+992+607=947-420-222=150×(17-14)=554+(896-297)=773×6-792=233+(153-129)=548×(487-482)=576-133-115=494+897-296=858-423+743=541-(69+181)=710-14-161=81×6=134+(426-285)=506-285=588+819+198=316+516-606=242+55=533×7=851-(942-612)=72+372+341=345+(213-100)=608-365=320-128=269-(412-161)=102×(50-41)=88+230+52=850+707+51=653-221=743-(253+299)=849-205=261×3-529=343-67=4/6-1/6=402×4-773=187+64=292+68×4=491-50=415-20×5=207+13×4=455×2-869=663×9-152=527+683-864=712-127×5=840-485=59+392-197=22+429-441=67×7+103=360-(190+29)=442-318+91=241-140=135×6=500-222-105=278-30-75=297-93-99=634-(987-628)=140×6=3/6-2/6=40×8=107×8=842-36×3=464-424+829=490-(35+69)=85-64=807-130×2=516+131+121=85+276=793-492+33=151+564+31=308×2-103=116×6+141=714×2-548=500-(302-98)=411-(208+56)=117+103+758=335-233+205=743+152-884=223-116+150=260-218-11=457-350=340-11+20=681+707-51=144×(420-416)=134+422=864-(530+240)=677×7=282+(836-543)=41×3=68×7=207+145+424=242+477+20=233+108=127+149=646+848+328=13×7-22=709×(385-381)=107-92+368=279+213=284+197=29×3+233=83×5=414-322+137=313+107-327=216+559-81=645+546=73×5+449=350-33×3=442-351-64=160+496=395-(124-34)=922-396-465=455-54-247=695-(637-536)=467-147-153=310+(263-120)=338-68=199+153-260=466×(585-576)=139+68-179=161-138+896=355-309+447=56×7-143=234+(158-63)=661-581-73=100+293-178=22-15+247=263-(472-274)=639-485+485=743-345×2=372-(125-43)=873×7=423×2=258+115=266-(134+125)=897-25+612=72×2=476-(79+78)=242-28×3=61×(184-176)=939-657=318+(175-106)=455+31-165=30×(431-423)=89×(453-444)=885-75×5=43+299×2=24+427-96=110×5=387-164=963-120×6=467-340-28=492+(529-183)=815-496-140=411-76×3=890-29-537=139×6+198=138×(913-910)=646-600+498=205-142=1/7+5/7=230+(281-183)=383+97×2=895×3-220=105×3=73×6+20=597×(918-912)=90+321-82=121×(884-879)=452-(906-553)=67-42=146+(324-152)=934-591=791-(101+584)=351-(104-54)=126+150+95=381-(187+165)=110+346-95=996-(205+130)=192×(188-183)=229+663-101=72+(454-383)=158+141-214=4/10+6/10=809+331+169=267×8=266+215-411=454+(615-196)=976-924+639=346+53×4=474+757+315=859+274×3=279+47×6=625×(336-331)=590×(262-255)=812+160-425=11+(450-234)=129+39×2=306×8=113×5-61=729-66×2=749×3-44=158×3-33=358-(162-76)=934+848=310×(320-315)=282+187=226×3-509=68+132+460=465-265=362×(776-769)=88×6-305=518+32+394=75×8+679=457-16×9=190-14×6=774+736-248=521+485-205=606+(963-50)=706-62-22=255+125×6=643-436+704=399+912=839×2=224×3-672=117+85×2=265-32×4=566-(939-808)=329-77-152=62+399+530=243+661=379+114=14+(185-133)=79×6=838-135×6=849+(914-335)=261-(692-636)=670-(558-127)=752-11×6=362-15×2=142+(217-88)=385+825-559=779-83-443=388-128×2=932-140=34×(304-301)=622+671-28=397-121-178=877-189-408=349-88-157=876×(900-895)=250+327-568=494+(478-32)=354-277=418×(758-751)=977-606-347=866×(865-857)=571-500=847-377-381=24×3+242=199+930=367-59×4=178×5-748=287-(419-273)=284×(191-185)=438-400+256=171-20=98×8=376-31-123=634-(35+469)=751+269×2=456-190-144=514×5-84=參考答案517×7-58=3561335+512+55=902185+(444-397)=23234×4+62=198114×(104-96)=912279×9-322=2189634+139×2=912798+595+456=1849169×4-185=491139×(342-335)=973473-(45+227)=201366+106-225=247322-205+805=922377-71-179=127222×4-720=16821×2+744=78655×(260-254)=330304+186-327=163630+(643-500)=773191+335+78=6041/4+2/4=3/498+102=200124×(84-80)=496959-359-460=140181+117=298444+(387-183)=648965-208=757459-101+706=1064372×2-673=71151+258×2=6672/5-1/5=1/5591×2=1182355+109-179=28513×8=104232-18×9=70355-75×4=55425-(452-263)=236118×3+680=1034348+218+967=1533946-(441+273)=232126+790+691=1607811+702+942=2455338-239=99382-18×4=310722+(389-178)=93335+159+80=274972-(700+143)=129294-70×3=84914+853-341=1426394-316+413=491361+306+329=996306-120×2=66491-103-281=107401-(297-218)=32273+284=357806-129+653=133018×(415-407)=144671+186+23=88016×(265-259)=96318+45-261=102609+473+168=1250488-257=231920-(559+38)=323313-(173+126)=14482-56-173=253494+510+624=16284/10+3/10=7/10297×2+801=1395725+798-420=110326+20×7=166457-(288+134)=35181×4-28=696129+(911-13)=1027670-412=258468+96+425=989347-267-12=684/10-2/10=2/10480+(419-296)=603510+149=659119×(270-262)=952143-(302-282)=123847-(376-80)=551514×5-470=210028+252-231=49625+(418-24)=1019135×(53-48)=675113×(220-213)=791590-(589-449)=450800-(526+45)=229887-(665-492)=714721-118-166=437393+(498-357)=5346/10-2/10=4/10857-549=308956+402=1358120×7=840226+(727-53)=900429×4=1716116×8=928215×2+64=494243-(101-58)=200408+81=48951×8=408656+264+36=956448-215=233994-930+637=701187×(43-38)=935131+(482-240)=373470-(236+25)=20975×(445-436)=675596×(897-891)=357691×7+154=791507×7=3549453-20×4=373971-140×3=551605+452=10571/7+2/7=3/7337+50×7=687347-32=315407×(521-515)=2442209-49=160868+750-70=15483/8+2/8=5/8478-(183+44)=251531+979-53=1457412-396+108=124335-235=100906-(344+393)=169222×7=155420×(467-463)=80908-285+444=1067921-703=21818×3+812=866479+(455-453)=481444-247+249=446518-38=480650+(911-835)=726144×5-684=3692+254-170=1765/8-1/8=4/8226+118+431=77511+(556-51)=516104-20×5=4440×2-388=492345-(77+267)=1396-(255+102)=39767-133×4=235965-811-56=98104+271=375305-211-43=51937-(913-820)=844128-(891-886)=123339-(21+132)=186475-(160+171)=144562-291=271208+90=298851-216×2=419578-(813-441)=206128-(30+66)=32270+180-407=43524-152-306=6686+355=441214+(242-20)=436476-23×5=361398+111=509145+48×4=337437×7-262=2797985-687+360=658909×7=6363236×4+251=1195895-431=464820-32×4=692147+342-222=267645×7-989=3526301-(210+75)=16711×6-647=361928×(362-358)=112975-183-438=354860+773-494=1139367-(158+80)=129370-(155-115)=330153+345=498442×(933-929)=176848×(105-96)=43223×8=184416+266+69=751103×2-178=28896-(50+100)=746253-28×4=141270+204×2=678402+265+668=1335495-297+142=340685-103×3=376243-(381-153)=15390-355-13=22399+73=472981×5=4905849-(149+490)=210221+89=310410-(243+58)=109375×4=1500368+90=458696+109+58=863881-152×5=121488-482+55=61405-267-62=76452×2-25=879222-25×2=17298×2=196171-(311-310)=170855-(254+344)=25793+541=634343+81=424440-351+68=157755×6=453095×8-707=53741+107×9=1704467-(308-204)=363551+31+956=1538181×6=1086493+68×5=833491-354+122=259458-(11+202)=245378-79+46=345179×7-599=654256×2=512380-(433-267)=214985-(789-740)=936229-118-36=7586+446×2=978664×6-460=3524982-48=934552-(151+65)=336250×2+923=1423871×3=2613349+250=599813-(237+18)=558336+323=659112×7=784463-338-89=36439×2-79=799294+365=659163-58+273=378233+106+222=561693+(679-506)=866383×4=1532422-(358-140)=204443-218×2=7449-(51+139)=25994×(263-255)=752981-519+904=1366372-157-99=116776-(951-274)=99284+283+373=940445+45-19=47198+(170-158)=110803×9-982=6245703-444+14=27313+330-283=60293-(390-114)=17992×(235-227)=7936276-(308-278)=246352-(252-192)=292541×(695-692)=1623562-(134-28)=456119×8-585=367830-50-605=175193+738=931711-598+976=1089184-32-33=119406×2=812453×2+82=988236-125=111359-(84+184)=91152-13×6=74303-(244-240)=299352-51-149=152145+331-185=291447-56×5=167255-95=160378-129+105=354646-(489-96)=253120-(391-373)=102513-54×7=135112+20=132651-71×3=438439-19×8=287454×2-57=851974-(908-887)=953553+(826-240)=11392/10-1/10=1/10816+(694-254)=1256368-61×4=124361-(219+139)=357-15×3=12508-(368+62)=78218+(226-195)=249940-(84+732)=124659+273-760=172225+315=540997+487+537=2021927+(275-26)=1176338×2=676139×4+137=693312-(881-753)=184461×2+20=9422/4-1/4=1/4471×(52-49)=1413419-313=106180×2=360901-380+833=1354688-12×7=604692+133×6=1490282+177-280=179986-(455-151)=682684-(923-426)=187753+(511-49)=1215291-(72+41)=178497-64×4=241144×5-469=251496×(216-210)=2976936-(316+260)=360451-120+164=495766-607-92=67758×3-282=1992101-48=53377+(187-107)=457498-274-217=7287×(243-238)=1435153×2-253=531/6+5/6=1857+113×6=1535117×5+181=766363-(137+83)=143731+267+483=1481882-53×4=670953-(291-227)=889562-(15+526)=21842-51×3=689669×4-456=2220465+28-284=209384-61×5=79432-382=50168×(138-135)=504348-137=211284-84+202=402661+525=1186277+72=349531×(124-116)=4248433-381-25=27347+(269-212)=40494×(200-194)=5642/7+3/7=5/7960×4=3840321×2+321=963535+158=693500-(242+38)=220317-213=104786+151+398=1335566×4-909=1355975-336-189=45068×2=136212-(575-479)=116795-(642-208)=361225×2=450207+(291-254)=244852-456+738=1134336+116×3=684849+647+310=1806352-(103+45)=204540+797=1337858+49+64=971163×5+884=1699341-(168-146)=319427-(53+173)=201115+(427-318)=224854-194-369=291965-168+434=1231196+40=236382-(234+17)=131677-454=223290+100=39022+47×6=304160+89+559=808329×2+311=969361+980-548=793340-145×2=50338+30+659=1027840-722=118498-19-432=47981-13-308=660677-(45+428)=204500+(855-251)=1104750×6=4500318-307+167=178391-69-99=223881-(357+69)=455409+986-919=476263×2-355=171259-78+177=358188+(297-207)=278154×4=61679×7=553397+26+158=581349-(298-98)=149497-358+31=170392-(298+40)=54748-91×4=384681-576=105403+48-50=401247×4=98899+(871-698)=27229+477+365=87177+26=103460+(117-73)=504496-424=72789×9-35=706653+190=243861+(490-221)=1130788-(563-359)=58447×4+82=270187+205-252=140776-329-347=100437-131=306402+(194-177)=419461+469-26=904272+234+304=810125+163=2881/10+3/10=4/1055×2=110880×9=7920375-193=182928×7=6496442×7-112=2982132×4-202=326678-(361+163)=154172×(177-174)=516109×(226-218)=872633+164+197=994309+67=376794-212+409=991469×2=938465-181×2=103184-68+54=170771-(728-168)=211886-(601-273)=558495×(662-653)=4455420+861+976=225762+201+914=1177219+159-190=188760-(566-405)=599288+157-294=151331-118=213315+83+121=519928-244=68415×4=60371×2-154=588445-36×7=193349-236+304=41731×(175-169)=18630+818+277=112533×3-40=59716+801+184=1701275+210+120=605363+415=77864+193×3=6432/7+4/7=6/7342-242+369=469142×3=426164×3=492495×2-272=718962×5=4810384+(237-26)=59544+363-119=288331+229-265=295508×5-298=2242686-438+946=1194400-263=13723×2=46414+65×3=609820-(142+91)=58721-(224-215)=12139+144=28329+953-191=791394-(314-116)=196417-(298+82)=37318-33-74=211451-100+73=424286×(230-227)=858183×5-250=665452×2-266=638818-240-132=446150+110=260795+899-933=7616/9-3/9=3/9298×2=596391-173+248=466938-490+32=480288-217=71110+960-608=462369×8-577=2375373-(25+167)=181359-293+450=516728-374+937=1291198+605+100=903266-254+44=56381+170+364=915156+591=747319+531=850300+(255-163)=3923/8-1/8=2/8641-(139+144)=358598+(820-448)=970130×5+423=1073858-434-406=18656-503=153690-436+286=5407/9+2/9=193×7+195=846209+274=483300+(284-35)=549534-182×2=170493-23×7=332365×9-96=3189699-318-360=21634+547-678=503848-(871-58)=352/8-1/8=1/8818-71×3=605192+(312-130)=374884+(966-855)=995216×(553-545)=1728669×(55-50)=3345456-(410-257)=303150-64-65=21491+124×6=123587×(322-316)=522239-(310-123)=52610+487+376=147394+407×2=908230×5-462=688308+80+313=701227+836=1063246-(330-166)=8227×5+241=376397×2-560=2343/6-1/6=2/6120×5+343=943257-13×6=179367-174=193385-(102+123)=160860-399-197=264365-(85+108)=172205+71=276625+223+84=93287+(267-29)=325605+65+219=8892/6+3/6=5/6181×(433-428)=905365-241=124186-(453-405)=13877×9=693773×(979-971)=6184481-205-210=66243+104-54=293248+31×8=496299-170=129213+(871-21)=1063318-185=133442-417+33=58134×2+354=622272-(97+132)=4334+(276-269)=41671-66×5=341917-876+729=770186×5-475=455467+465-876=56231+160=391966+22-553=435956-460=496137×5-20=665348+931=1279305-37×2=231288-57+67=298620+154×5=1390986×(721-716)=4930660-462=198103×(130-124)=618416-180-189=47260-85×3=5134-39×2=56694+(778-724)=74863+992+607=1662947-420-222=305150×(17-14)=450554+(896-297)=1153773×6-792=3846233+(153-129)=257548×(487-482)=2740576-133-115=328494+897-296=1095858-423+743=1178541-(69+181)=291710-14-161=53581×6=486134+(426-285)=275506-285=221588+819+198=1605316+516-606=226242+55=297533×7=3731851-(942-612)=52172+372+341=785345+(213-100)=458608-365=243320-128=192269-(412-161)=18102×(50-41)=91888+230+52=370850+707+51=1608653-221=432743-(253+299)=191849-205=644261×3-529=254343-67=2764/6-1/6=3/6402×4-773=835187+64=251292+68×4=564491-50=441415-20×5=315207+13×4=259455×2-869=41663×9-152=5815527+683-864=346712-127×5=77840-485=35559+392-197=25422+429-441=1067×7+103=572360-(190+29)=141442-318+91=215241-140=101135×6=810500-222-105=173278-30-75=173297-93-99=105634-(987-628)=275140×6=8403/6-2/6=1/640×8=320107×8=856842-36×3=734464-424+829=869490-(35+69)=38685-64=21807-130×2=547516+131+121=76885+276=361793-492+33=334151+564+31=746308×2-103=513116×6+141=837714×2-548=880500-(302-98)=296411-(208+56)=147117+103+758=978335-233+205=307743+152-884=11223-116+150=257260-218-11=31457-350=107340-11+20=349681+707-51=1337144×(420-416)=576134+422=556864-(530+240)=94677×7=4739282+(836-543)=57541×3=12368×7=476207+145+424=776242+477+20=739233+108=341127+149=276646+848+328=182213×7-22=69709×(385-381)=2836107-92+368=383279+213=492284+197=48129×3+233=32083×5=415414-322+137=229313+107-327=93216+559-81=694645+546=119173×5+449=814350-33×3=251442-351-64=27160+496=656395-(124-34)=305922-396-465=61455-54-247=154695-(637-536)=594467-147-153=167310+(263-120)=453338-68=270199+153-260=92466×(585-576)=4194139+68-179=28161-138+8