三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦649×9=70+312-65=553-91-167=911-16×4=279-(204-163)=392×(375-369)=394-78-189=96+168-11=122-(32-14)=906-(488-198)=365×8=352-78×2=282+419=129-28=142+92=859+(974-889)=110+367+634=984+548+330=445-140+47=498+(481-402)=485+632+66=828+770-284=891+851-686=754-(133+522)=485-(68+108)=645-56×5=317+117=867-324+873=664×5-713=478-299+121=678-567-26=408-333=922-156+964=231-(186-17)=807-(417+180)=912-(140+526)=468-94×4=612-27-289=47+70=809-(455+339)=436-(228+162)=656-(390-151)=487-(81+21)=422-26=317+90×7=145+57×7=62×8=90×4=603-(212-65)=185-(301-218)=212×(372-368)=187+239-415=252-(134+63)=2/4-1/4=430-131=199×2-167=470+213-235=571+(922-531)=475-(46+308)=489-238=613-471+265=582-61=80-(485-431)=383+90=202+276-426=987+313-632=165-69×2=712-34×2=385+(478-449)=50×9+242=408+80+371=573-25+335=781×(803-800)=122+204=690-(260+79)=690+61×2=107×5+93=116+317=38×2=98×5-367=655-55+244=23+443-345=467-30×6=717-(668+39)=555-137-168=470+(835-605)=663-158=1/8+3/8=43+444-217=206×(418-414)=34×9+405=90×7=105+(455-94)=415+70-57=458×(608-601)=401-250+70=19×9+917=615-440+307=124×4=643+463-10=354-136=544-(230+175)=191+266=684-(818-248)=42+115×3=256×3=173+(430-201)=141+89-213=71+445-301=561-450+563=417+440-772=609-174+937=3/10-1/10=200+(447-141)=560-100=290+138-200=615-(707-595)=362-(39+144)=299-(377-355)=37×4+787=62+31+615=235+(208-202)=740-674+633=976-134-795=316×(975-968)=930-649-169=861+204-285=315×(32-28)=345-25+29=166+82+623=10×2=210+44=149+(18-17)=206+279-279=523-99×5=420-(192+71)=424+156×3=891-837+178=478-(349+88)=420+624+103=977-697-144=66×(287-284)=107×8=223×4-552=428+772-391=479+692=726+183-531=864-419=77+209+519=204+(467-237)=171×9=325-(39+13)=3/8-2/8=370+68+993=654-112×3=383-(46+284)=469-45-308=693×(669-662)=184-30×6=115×2+157=341+975=161+165-159=979-725=648-(336+14)=459-(150-125)=314-(326-133)=466+677+972=647×(733-725)=379-(179-171)=205-(486-308)=785-32×4=170+407=128×2=62-12+713=190-121+424=425+25-157=574-134+218=36+(279-138)=91×4=427-(432-399)=973-63×5=819+545=992-(195+740)=690+(992-779)=272×2-90=197×(147-143)=249-172=727×7-341=969-124×6=108+(141-15)=301+108=475-252=874-767+654=900-(40+376)=411-(202+29)=129×5+885=611-478=838-12×8=82×8-346=425-320+173=527-(177-173)=193×4=803×4-686=151+(108-19)=92+263+551=348-257+146=2/5-1/5=85×7=551+(246-238)=379+121=213×(574-571)=285+123×2=323×3=410×2-666=289-19-29=936-848=77+128×5=915-82×3=200+(487-113)=257-(363-246)=906-485=849-125-237=766-82×5=472-262+176=4/8+3/8=180+(458-370)=230+267=773-(938-708)=846-239×2=111×3=141+(955-514)=805-34-59=62+135=311+143-189=32×8+469=129-(341-264)=153+191+396=408-57-183=362-135×2=841×3-725=407-(631-625)=412×(182-177)=644+383+11=206-170=188-11=96+274=679+(811-725)=374-255-39=467-431+371=377+37-303=409+100+416=301-229+305=415+(444-232)=327+56-163=99×7+844=2/10+8/10=765×4-209=363-237+31=851×(443-438)=605+844-639=434-(275+138)=323+47+108=453+22×2=763-583+41=452-48-196=861-425+465=717×2=370-(231-141)=740-34×8=342-47×2=817-(789-365)=75×4=262+944+411=469-11×7=13×(432-427)=99+462+326=247+(798-87)=292×9-242=180×2+278=146×5+166=584×7-953=283-(811-575)=321+197=511+209×2=982-657-209=309-(201-79)=391-37×9=485-98+159=773-51×2=249+290+38=278-(450-351)=760-32-679=467-15-105=221+190+153=247-57×3=911-(709-559)=609-593+175=822-351-23=424+(307-43)=81×(468-465)=453-420+305=492-(191+202)=180+95=401-(157+156)=176+41=5/8-1/8=422-68×2=911+549+296=858+54-807=185+189=44+(376-85)=416×2-228=309+275×2=561+235×2=156×2=402-(217+16)=113+240=123+270=806×(244-236)=862×7-740=403×2=232×4=504+792-999=199+90+169=497+855-284=370-(172+167)=294×2+181=59×(124-116)=449+11×6=598-(764-490)=570-159+346=491-413+406=215+74×7=61×9+972=4/7+2/7=529-(293-100)=88×(95-92)=801+287×3=275-112+59=144×3=141-(118-91)=557×2=306+714+767=120×6=32×(369-360)=696+561+583=294-76-40=2/6+3/6=326-74-237=203+271=646-(695-231)=427-23+88=253-30×6=78+29×3=188+(302-220)=296×3-84=513+358+111=73+310-142=88+837+16=302-296+536=97×(175-171)=750-110×4=391-16×8=148+24+43=35+(300-14)=444+43+22=841-(49+244)=50+301-47=263+(741-652)=756-(292+20)=102×(96-91)=470+99+825=490+68+47=151-(214-78)=360+124=299+117-84=472+434-836=982-(716+83)=692-615=843-309-465=255+199-308=174-31=333+605+40=893+(773-186)=828+282=786+976-195=10+105×3=783-98×2=321×(353-350)=400×2=498×2-100=829×6=239+784+425=185+203-312=96×(431-422)=594-(126-79)=870-(852-401)=172+167+574=433-325-108=580+954=494-(500-438)=140+(406-319)=378-184=460×2-158=56+(173-88)=177×2=53+225+573=895-133=243+108×4=764-338-97=288+949=863-(226+23)=374-(229+47)=582-414=7/8-1/8=76×9-504=449-35+207=720-(299+19)=145+(377-165)=630+328=863-300-363=552+413-512=345-272+403=803-147-635=321-45×4=449-65×2=379×2=441-(10+234)=88×(195-187)=109+510+62=956-(278+540)=499-122-304=50+130+261=50+83+460=77×2=264+122=378-250-48=353-36×2=172+54=353-189+285=7/10+3/10=187-47×3=361×2+970=946+541=408-106-280=364-256=218×7-818=491-117-213=296×(180-177)=897+641-606=710-107×2=6/8+2/8=252-85-94=882-(951-709)=168+68×4=302-(27+190)=79×7-297=200-198+257=445×2-330=392-69-297=862-190=10×(212-205)=204+289-112=61×3=922-418=974+(277-219)=349-136+179=392×2-260=466×2-337=450-225+223=5/6-1/6=769+389+893=160-48=557-419+380=962-124-319=548-13+955=392-295=956-(162+248)=47×3=45×(20-14)=776-215-241=735-117×4=558×(850-843)=509×6=359-84-151=107×(193-188)=180-107+61=451×(940-932)=87+73=464-(434-195)=152+(807-88)=110×9=674×4-489=703-330=403-13-233=419-290-81=743×(437-433)=187×3-540=813-(376-76)=323+94+810=143+156=50+321+504=430-225-202=4/8-1/8=248-(247-31)=298-(438-255)=943-(493-192)=433-75=466-(281+41)=209-31+259=647+406×2=188×2=241-85-17=46×(340-333)=575×(773-768)=211-16+47=404×2-103=679×(110-107)=537+262+97=884-701+631=269-(349-208)=688+987-829=332-202+278=341-218=788-441-269=409-103-141=228×(808-804)=381+403=457-(408+28)=968×6=695×5-956=389-(164-127)=75+291=627+424=18+(179-50)=138×2-175=582+704=168+76×2=257×2+525=647+24+809=290-(133+11)=874×4=11+45=141+168+199=467-275=122+70×7=366×2=297×6=242-72×2=180+31=170+161=130+336=740×6-47=61+290=982-67×9=204×2+363=813-13×4=858-247-332=192×2-342=445-(198+194)=876-(166+635)=109×(460-457)=473-222=115-94=135×2+115=379-37×6=690×6-568=687-329×2=391-210=583×6-477=139-110+27=489-(419+35)=387×2-144=496+70-114=161-90+10=997×(874-866)=495-(72+114)=338-134-186=45+274×2=494-(124+171)=317+217=440-(20+319)=984-59×6=464-43×5=187+254+251=324-(358-136)=982-248=191+86×7=76×9+18=410-190=849+(118-76)=395-54×5=785×4-422=336-56=86×3-208=434-119-272=149×4+284=873-(319+364)=558+126+379=148×(349-344)=725×8=174×5=156+173=679×9=40×8+964=445-59×4=918-310-561=12×4+39=352×2-285=816-195-182=5/9-3/9=693×2-646=836+913+174=136+(541-197)=75×7=922-(802+104)=900-(979-601)=8/10+2/10=801+109-304=977-309+226=307-242=28+(144-56)=4/7-2/7=336+(375-99)=402-(185+96)=65×4+203=429+(200-59)=191×(229-224)=884×8-435=161-(226-147)=245+126-187=863+594=903+521=819-374=60×6-327=19×4+23=280+(514-498)=531-(404+59)=275+(277-28)=35+(142-40)=380×9-280=50×(68-60)=662-101-149=235-38×3=334×2-157=420-(462-93)=224-(781-753)=285×7-880=460-72×2=964-(927-252)=115+196=669+(603-110)=4/7-1/7=876×(314-310)=479-(272+80)=896-39×2=124+304-392=119+726+572=900-803+72=808×7=470-143+90=626+(868-510)=350+12-78=169×5=169-25=583-17-425=355+293-133=103-(972-912)=125+221=892-35=78×(231-222)=930×2=136-(369-254)=31+291-28=193×(80-76)=637+50×5=280-19×6=695+813+647=390-79×2=934-39×5=345-56×3=20×(397-393)=91×9=679-310-30=931-(418-359)=56×5-142=248+(223-35)=334+36-298=337-181=961-659-160=791+185-808=449-(42+89)=256-20×9=804+974-601=335+514+872=217×4=787-(464-455)=113+253=674-204×3=211+(416-192)=53-33=232+33-70=965+(870-610)=68+214+598=296-(178-77)=893-53-104=5/8+2/8=255×3-316=401-233=456-359=494-(80+253)=195+205+60=164+(498-110)=81×(435-432)=42+947+606=343+(711-12)=420-136-139=173+250-101=239+(719-162)=395-175-167=724×6=406-152-215=765-612+816=488-(424-68)=889+(919-294)=94×4=185-(108+27)=187×4-318=827-139+434=214+(444-44)=239+251=520-(162+163)=235-65+205=479-41=971×5=44×(363-358)=964+859-912=786+148×3=898-27-59=362+(926-274)=316+693+993=961+611+183=101+308=185+175-76=336-(66+74)=19×5+179=467-74=771×3=249+56=442-337=311-44+187=313-292=804-(356+293)=133×(290-285)=181×(497-492)=322×(602-593)=311×3-739=381+(782-213)=33×8+226=348-(279-170)=499×(280-274)=85+867-307=145×(171-168)=44+223=202+(914-373)=788×3-677=497×9-494=83×5-61=74×2+290=2/8+4/8=378-16-283=949-620-248=163×5=209+139-293=5/7+2/7=187-(176-43)=625×4-503=358×6-771=419-133×2=355+(302-62)=268-19=676-(450+88)=857-783=171×6=3/7-2/7=34+426-203=782-105=299-103=379×2-351=408+847-482=1/7+2/7=382-(85+217)=724+228=103×2=312-29×5=341×9-811=454+532+748=941+(260-146)=912+(945-37)=395+87=43+190=472-92×3=580-223+984=415-44×8=489-(432-265)=126-23+102=41×2+20=391×(232-223)=80×9=485-129×2=435-(234+176)=231+319×2=27×(133-129)=343-14=12×8+81=483×2+413=486×4-648=224×3-633=361+523+767=592+127×3=291+235=138×4+780=87×7=973-499=444×2-469=56-28×2=157-(171-112)=242-139-32=184-61=474-408-13=494+121-282=108×(130-127)=364+88+112=193+16-119=516×9=171+(309-238)=732-220+34=939-214=45+413+385=342×2=701-88×3=377×5=30×(387-383)=89+840+33=254-117-12=719×6-794=491+14×4=414×9-205=440-84=72+(305-200)=213+565+215=623×(978-971)=60+90=775-(592+38)=407+438×2=297+52+646=967+144×3=415×(136-129)=934-(119-48)=359×(200-193)=380-234+100=159×6-862=442-275=91×(76-68)=參考答案649×9=584170+312-65=317553-91-167=295911-16×4=847279-(204-163)=238392×(375-369)=2352394-78-189=12796+168-11=253122-(32-14)=104906-(488-198)=616365×8=2920352-78×2=196282+419=701129-28=101142+92=234859+(974-889)=944110+367+634=1111984+548+330=1862445-140+47=352498+(481-402)=577485+632+66=1183828+770-284=1314891+851-686=1056754-(133+522)=99485-(68+108)=309645-56×5=365317+117=434867-324+873=1416664×5-713=2607478-299+121=300678-567-26=85408-333=75922-156+964=1730231-(186-17)=62807-(417+180)=210912-(140+526)=246468-94×4=92612-27-289=29647+70=117809-(455+339)=15436-(228+162)=46656-(390-151)=417487-(81+21)=385422-26=396317+90×7=947145+57×7=54462×8=49690×4=360603-(212-65)=456185-(301-218)=102212×(372-368)=848187+239-415=11252-(134+63)=552/4-1/4=1/4430-131=299199×2-167=231470+213-235=448571+(922-531)=962475-(46+308)=121489-238=251613-471+265=407582-61=52180-(485-431)=26383+90=473202+276-426=52987+313-632=668165-69×2=27712-34×2=644385+(478-449)=41450×9+242=692408+80+371=859573-25+335=883781×(803-800)=2343122+204=326690-(260+79)=351690+61×2=812107×5+93=628116+317=43338×2=7698×5-367=123655-55+244=84423+443-345=121467-30×6=287717-(668+39)=10555-137-168=250470+(835-605)=700663-158=5051/8+3/8=4/843+444-217=270206×(418-414)=82434×9+405=71190×7=630105+(455-94)=466415+70-57=428458×(608-601)=3206401-250+70=22119×9+917=1088615-440+307=482124×4=496643+463-10=1096354-136=218544-(230+175)=139191+266=457684-(818-248)=11442+115×3=387256×3=768173+(430-201)=402141+89-213=1771+445-301=215561-450+563=674417+440-772=85609-174+937=13723/10-1/10=2/10200+(447-141)=506560-100=460290+138-200=228615-(707-595)=503362-(39+144)=179299-(377-355)=27737×4+787=93562+31+615=708235+(208-202)=241740-674+633=699976-134-795=47316×(975-968)=2212930-649-169=112861+204-285=780315×(32-28)=1260345-25+29=349166+82+623=87110×2=20210+44=254149+(18-17)=150206+279-279=206523-99×5=28420-(192+71)=157424+156×3=892891-837+178=232478-(349+88)=41420+624+103=1147977-697-144=13666×(287-284)=198107×8=856223×4-552=340428+772-391=809479+692=1171726+183-531=378864-419=44577+209+519=805204+(467-237)=434171×9=1539325-(39+13)=2733/8-2/8=1/8370+68+993=1431654-112×3=318383-(46+284)=53469-45-308=116693×(669-662)=4851184-30×6=4115×2+157=387341+975=1316161+165-159=167979-725=254648-(336+14)=298459-(150-125)=434314-(326-133)=121466+677+972=2115647×(733-725)=5176379-(179-171)=371205-(486-308)=27785-32×4=657170+407=577128×2=25662-12+713=763190-121+424=493425+25-157=293574-134+218=65836+(279-138)=17791×4=364427-(432-399)=394973-63×5=658819+545=1364992-(195+740)=57690+(992-779)=903272×2-90=454197×(147-143)=788249-172=77727×7-341=4748969-124×6=225108+(141-15)=234301+108=409475-252=223874-767+654=761900-(40+376)=484411-(202+29)=180129×5+885=1530611-478=133838-12×8=74282×8-346=310425-320+173=278527-(177-173)=523193×4=772803×4-686=2526151+(108-19)=24092+263+551=906348-257+146=2372/5-1/5=1/585×7=595551+(246-238)=559379+121=500213×(574-571)=639285+123×2=531323×3=969410×2-666=154289-19-29=241936-848=8877+128×5=717915-82×3=669200+(487-113)=574257-(363-246)=140906-485=421849-125-237=487766-82×5=356472-262+176=3864/8+3/8=7/8180+(458-370)=268230+267=497773-(938-708)=543846-239×2=368111×3=333141+(955-514)=582805-34-59=71262+135=197311+143-189=26532×8+469=725129-(341-264)=52153+191+396=740408-57-183=168362-135×2=92841×3-725=1798407-(631-625)=401412×(182-177)=2060644+383+11=1038206-170=36188-11=17796+274=370679+(811-725)=765374-255-39=80467-431+371=407377+37-303=111409+100+416=925301-229+305=377415+(444-232)=627327+56-163=22099×7+844=15372/10+8/10=1765×4-209=2851363-237+31=157851×(443-438)=4255605+844-639=810434-(275+138)=21323+47+108=478453+22×2=497763-583+41=221452-48-196=208861-425+465=901717×2=1434370-(231-141)=280740-34×8=468342-47×2=248817-(789-365)=39375×4=300262+944+411=1617469-11×7=39213×(432-427)=6599+462+326=887247+(798-87)=958292×9-242=2386180×2+278=638146×5+166=896584×7-953=3135283-(811-575)=47321+197=518511+209×2=929982-657-209=116309-(201-79)=187391-37×9=58485-98+159=546773-51×2=671249+290+38=577278-(450-351)=179760-32-679=49467-15-105=347221+190+153=564247-57×3=76911-(709-559)=761609-593+175=191822-351-23=448424+(307-43)=68881×(468-465)=243453-420+305=338492-(191+202)=99180+95=275401-(157+156)=88176+41=2175/8-1/8=4/8422-68×2=286911+549+296=1756858+54-807=105185+189=37444+(376-85)=335416×2-228=604309+275×2=859561+235×2=1031156×2=312402-(217+16)=169113+240=353123+270=393806×(244-236)=6448862×7-740=5294403×2=806232×4=928504+792-999=297199+90+169=458497+855-284=1068370-(172+167)=31294×2+181=76959×(124-116)=472449+11×6=515598-(764-490)=324570-159+346=757491-413+406=484215+74×7=73361×9+972=15214/7+2/7=6/7529-(293-100)=33688×(95-92)=264801+287×3=1662275-112+59=222144×3=432141-(118-91)=114557×2=1114306+714+767=1787120×6=72032×(369-360)=288696+561+583=1840294-76-40=1782/6+3/6=5/6326-74-237=15203+271=474646-(695-231)=182427-23+88=492253-30×6=7378+29×3=165188+(302-220)=270296×3-84=804513+358+111=98273+310-142=24188+837+16=941302-296+536=54297×(175-171)=388750-110×4=310391-16×8=263148+24+43=21535+(300-14)=321444+43+22=509841-(49+244)=54850+301-47=304263+(741-652)=352756-(292+20)=444102×(96-91)=510470+99+825=1394490+68+47=605151-(214-78)=15360+124=484299+117-84=332472+434-836=70982-(716+83)=183692-615=77843-309-465=69255+199-308=146174-31=143333+605+40=978893+(773-186)=1480828+282=1110786+976-195=156710+105×3=325783-98×2=587321×(353-350)=963400×2=800498×2-100=896829×6=4974239+784+425=1448185+203-312=7696×(431-422)=864594-(126-79)=547870-(852-401)=419172+167+574=913433-325-108=0580+954=1534494-(500-438)=432140+(406-319)=227378-184=194460×2-158=76256+(173-88)=141177×2=35453+225+573=851895-133=762243+108×4=675764-338-97=329288+949=1237863-(226+23)=614374-(229+47)=98582-414=1687/8-1/8=6/876×9-504=180449-35+207=621720-(299+19)=402145+(377-165)=357630+328=958863-300-363=200552+413-512=453345-272+403=476803-147-635=21321-45×4=141449-65×2=319379×2=758441-(10+234)=19788×(195-187)=704109+510+62=681956-(278+540)=138499-122-304=7350+130+261=44150+83+460=59377×2=154264+122=386378-250-48=80353-36×2=281172+54=226353-189+285=4497/10+3/10=1187-47×3=46361×2+970=1692946+541=1487408-106-280=22364-256=108218×7-818=708491-117-213=161296×(180-177)=888897+641-606=932710-107×2=4966/8+2/8=1252-85-94=73882-(951-709)=640168+68×4=440302-(27+190)=8579×7-297=256200-198+257=259445×2-330=560392-69-297=26862-190=67210×(212-205)=70204+289-112=38161×3=183922-418=504974+(277-219)=1032349-136+179=392392×2-260=524466×2-337=595450-225+223=4485/6-1/6=4/6769+389+893=2051160-48=112557-419+380=518962-124-319=519548-13+955=1490392-295=97956-(162+248)=54647×3=14145×(20-14)=270776-215-241=320735-117×4=267558×(850-843)=3906509×6=3054359-84-151=124107×(193-188)=535180-107+61=134451×(940-932)=360887+73=160464-(434-195)=225152+(807-88)=871110×9=990674×4-489=2207703-330=373403-13-233=157419-290-81=48743×(437-433)=2972187×3-540=21813-(376-76)=513323+94+810=1227143+156=29950+321+504=875430-225-202=34/8-1/8=3/8248-(247-31)=32298-(438-255)=115943-(493-192)=642433-75=358466-(281+41)=144209-31+259=437647+406×2=1459188×2=376241-85-17=13946×(340-333)=322575×(773-768)=2875211-16+47=242404×2-103=705679×(110-107)=2037537+262+97=896884-701+631=814269-(349-208)=128688+987-829=846332-202+278=408341-218=123788-441-269=78409-103-141=165228×(808-804)=912381+403=784457-(408+28)=21968×6=5808695×5-956=2519389-(164-127)=35275+291=366627+424=105118+(179-50)=147138×2-175=101582+704=1286168+76×2=320257×2+525=1039647+24+809=1480290-(133+11)=146874×4=349611+45=56141+168+199=508467-275=192122+70×7=612366×2=732297×6=1782242-72×2=98180+31=211170+161=331130+336=466740×6-47=439361+290=351982-67×9=379204×2+363=771813-13×4=761858-247-332=279192×2-342=42445-(198+194)=53876-(166+635)=75109×(460-457)=327473-222=251115-94=21135×2+115=385379-37×6=157690×6-568=3572687-329×2=29391-210=181583×6-477=3021139-110+27=56489-(419+35)=35387×2-144=630496+70-114=452161-90+10=81997×(874-866)=7976495-(72+114)=309338-134-186=1845+274×2=593494-(124+171)=199317+217=534440-(20+319)=101984-59×6=630464-43×5=249187+254+251=692324-(358-136)=102982-248=734191+86×7=79376×9+18=702410-190=220849+(118-76)=891395-54×5=125785×4-422=2718336-56=28086×3-208=50434-119-272=43149×4+284=880873-(319+364)=190558+126+379=1063148×(349-344)=740725×8=5800174×5=870156+173=329679×9=611140×8+964=1284445-59×4=209918-310-561=4712×4+39=87352×2-285=419816-195-182=4395/9-3/9=2/9693×2-646=740836+913+174=1923136+(541-197)=48075×7=525922-(802+104)=16900-(979-601)=5228/10+2/10=1801+109-304=606977-309+226=894307-242=6528+(144-56)=1164/7-2/7=2/7336+(375-99)=612402-(185+96)=12165×4+203=463429+(200-59)=570191×(229-224)=955884×8-435=6637161-(226-147)=82245+126-187=184863+594=1457903+521=1424819-374=44560×6-327=3319×4+23=99280+(514-498)=296531-(404+59)=68275+(277-28)=52435+(142-40)=137380×9-280=314050×(68-60)=400662-101-149=412235-38×3=121334×2-157=511420-(462-93)=51224-(781-753)=196285×7-880=1115460-72×2=316964-(927-252)=289115+196=311669+(603-110)=11624/7-1/7=3/7876×(314-310)=3504479-(272+80)=127896-39×2=818124+304-392=36119+726+572=1417900-803+72=169808×7=5656470-143+90=417626+(868-510)=984350+12-78=284169×5=845169-25=144583-17-425=141355+293-133=515103-(972-912)=43125+221=346892-35=85778×(231-222)=702930×2=1860136-(369-254)=2131+291-28=294193×(80-76)=772637+50×5=887280-19×6=166695+813+647=2155390-79×2=232934-39×5=739345-56×3=17720×(397-393)=8091×9=819679-310-30=339931-(418-359)=87256×5-142=138248+(223-35)=436334+36-298=72337-181=156961-659-160=142791+185-808=168449-(42+89)=318256-20×9=76804+974-601=1177335+514+872=1721217×4=868787-(464-455)=778113+253=366674-204×3=62211+(416-192)=43553-33=20232+33-70=195965+(870-610)=122568+214+598=880296-(178-77)=195893-53-104=7365/8+2/8=7/8255×3-316=449401-233=168456-359