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424-(168+177)=338-(141+103)=431×2+86=192-66=322+(424-313)=534+315=275-113+907=61+40=30+407-372=255-154=808+179-923=864×5-825=494-(214-94)=884-430-401=276+780-49=197×5-733=121×4=153+100+240=449+329=208×3=760+768+785=810-112=473+(355-271)=371+(88-51)=385-10=408-34-129=84+356-183=3/6-1/6=933+(952-879)=40×2+862=34×(151-144)=43×7=538-(701-251)=953+286×3=985-50+942=992+595-581=608-(844-803)=298+28+304=91×4+311=116×(290-286)=727-60-294=593-463=150-116+265=966×(389-385)=226-(719-501)=684+262+783=477-75×3=94×2=394-56=52+244=317×2-572=94+365-335=271-189+379=650-70-115=171×5-144=139+413=320+745=307-(452-388)=140+316-445=535+344=440×2=11×(37-30)=389-198-154=152-(139-66)=257×3-685=145×7=19+447-109=223+(362-256)=81×5-396=601+525=228×2=6/8-2/8=104×5=819-182=869-(892-136)=729-619=898+(351-190)=208+(408-290)=133×5=780×9-714=670-(433-191)=921-247-374=778+707+92=192-143=580×3-16=455-162×2=31×(397-391)=466-196+126=499-236=324-193=601×4-334=306×4=369-(137-85)=640+149×2=86+69=504×7=912-456-399=4/7-1/7=312-(87+19)=31×(606-600)=43×(242-237)=226+116-244=332+114=486-155-229=227+80×9=776-(362+361)=300-(203-159)=693+(790-156)=98×9=244+124-337=419-411+271=120×5-599=982+60+421=222+188=155+145=963×(24-17)=693×(881-873)=209+257-304=487+213=138+64-98=85+515+367=177+197=68×2=89×6-429=651-179-72=646-305=165+(295-210)=118-(513-510)=116+(466-205)=226×4-688=395×(296-291)=19+(397-108)=142-(85+31)=682-(209+411)=692-(109+492)=84×(281-276)=243-(309-115)=434×7=10+(397-329)=169×4+329=103-43+10=269-165+221=526+759=550+(849-466)=120×(81-76)=767+655-75=88+(498-282)=211+805-911=591×3-726=421-218-143=830+611+105=480+199=441-(61+279)=964-242-439=972-57×5=788-137×3=789×8=66+61+67=495-(277-42)=341×4-215=180×9-947=742-(138+119)=14+536+271=516+893-94=259-146=126×(242-239)=435-327-71=927+277-98=69+(725-583)=847-584-211=98+205+433=119×7=187×2=797-250-442=437-266+138=926-(940-686)=851-220+670=968-192×4=132×6-244=204×(92-88)=84×6+121=243-132+136=384+75-383=400-61+49=153×4=601+70-494=749-108-579=245+28-203=308+110×6=967+625-434=305+106=1/6+5/6=484-(277+181)=257×(403-400)=170+199-57=15+309-191=182+232=2/6+4/6=985-665=264×3-227=200×4-277=476-(46+184)=799-253=354-(323-136)=295×3+816=891×5-854=449-(75-15)=24+169+455=428-249=390+(412-106)=181×3+314=861-74+233=810-125-676=347+(611-259)=157×6=87+(844-795)=430-(293-71)=16×(212-209)=799-(137+566)=407-388=116×8-82=234-(408-322)=393-(413-183)=104+(279-167)=336-55-188=366+(494-294)=119×5+28=785+(650-523)=294-(414-388)=440-27-46=422+311+660=459×2+453=208+(936-568)=564+118×2=419-58×6=242+96×3=101+71=231+210=81+(397-85)=421-(257+106)=677+53×4=433-300+30=211+173+71=719-184=756-17+26=23×3=65×7=387+133×2=455-(312-199)=470-112×2=53+300=747+707+925=464+234×3=470×3-759=66+752-133=143+(916-299)=74×(134-131)=90+384-192=434×3-412=476-(97+195)=768-(85+534)=447-118-237=138+(454-410)=225+30×3=125×(189-186)=359-117-31=539×6-777=865-(46+311)=213×(283-279)=199-44×2=681-(195+62)=913+(923-195)=609-167=811×9-231=340+122=841+396-465=378-28-176=58×4=692×(957-952)=327×3-243=152×2-220=692-351=242×3+591=936-621+763=802+841=159+(313-92)=566×(122-115)=140-104-13=11×(279-271)=825-716-87=116+62×3=915-(868-758)=950-294=39+19+758=437-28×2=303+134-313=79×9=299-199=371×2=917+(377-149)=2/10+5/10=421-42=671-541+548=415-(366+24)=405-(285-39)=829-(498+107)=340-(67+49)=89×6+14=406+107×5=433-235-24=229×5-115=3/8-2/8=153×6=807-66×6=915-81×3=483-149×2=690-192-436=915-44-488=342-76×4=319×3-18=694+806+821=327-(109+181)=966-173=849+528+882=462+630=465-50-376=276+107×7=292+(827-272)=136×3-220=854-(367-356)=22+417+465=475-15×3=108×7+421=29+228×3=133-(218-121)=536+109=306-(116+124)=299-28×8=130×(339-333)=105×(490-484)=406-(783-614)=422-10×3=446-(233+193)=37+158-97=2/4-1/4=363+(666-515)=53+272=485×(707-704)=216-17×7=481-388=200×2=51+392-16=459+115+206=31×(108-99)=294-44×3=100+191+363=910×(715-710)=422+17-198=837-(388+152)=926-(105+267)=461+89×6=647-589=560-132+894=214+233=825+919-228=306×2-450=982-(382+174)=467+80+393=421-82×3=739×(935-926)=448×9-397=162+22×7=187+228-79=781-688=17×7=221+(418-101)=721-93-123=221+124=978+322-957=250-(172+59)=533-91×3=388-(283-57)=2/10+4/10=419+200×2=354-(88+157)=662+10×7=856×6-488=209+74×6=225×2+54=637×9=164×3+724=285-79×3=546-59×2=269×2-16=267×2=142×(396-390)=427-201+192=610-256-259=207+241=649-590=491-426+175=254-(295-174)=71+(412-163)=260×6-292=423+561=386-341+364=744-698+945=909×6-633=197+160×3=469-(840-665)=474-(60+80)=217×(888-884)=98×3+156=466-(67+237)=752-254=337-(459-279)=409×8-906=493-(158+148)=333-132-167=183-(597-496)=5/7+2/7=807-77×6=386-39-314=430×(922-919)=392+122+90=278+685=154×2-140=492-273=436-218=30×(116-107)=930-(975-676)=471-435+236=94×6=452-(262-253)=497-91×4=627-91-334=397+(969-695)=200-55=947-789=446×(488-481)=228-135+357=891-173×5=97×9+96=670-220+738=444+777+686=828-137×6=404-(30+355)=916+194=217-162+265=134×(250-244)=367-(272-259)=178×7=730-299×2=410-(335+18)=659-228+681=415-19-344=229×(426-422)=25×3=85×5=721×3=184+262=935-120×6=765×(993-985)=315-(159+36)=362-(123+88)=51×2+579=380+315+155=347-314=710-(460+202)=610-(70+142)=451-391+331=474+(715-586)=43×3+448=436×7-159=714×(605-597)=554+329-763=141+744+52=554-236-236=971-560-282=185×8-539=37+20=118+152+246=309+(283-29)=432-401+442=498-344=261+(477-404)=427+117×8=805-(313+152)=442×2+48=155×4=838-(66+88)=933-418×2=459+28-363=421-203=86×9=191+540+181=221+284+318=101×5=70+410=275+237+13=897-(300-298)=957×5=46×9+116=253-78+32=488-178+90=180-(55-42)=546×3=135×(29-22)=414-(437-314)=81+305-38=93+43+183=455+635+427=470-397-14=71+144+720=874+776+121=988-338+587=783×5=370+300+251=846-412×2=261-188+12=883-362×2=661×7=112×5=248+995-450=304-148+227=267-238=92+833-507=850-100=647+(629-519)=125×(432-424)=862+(703-438)=470-345=652+(827-140)=765-56×4=144-119+172=288-126=479-(119+190)=436+10-156=49×(113-105)=19×5+33=489×8-998=863-224-548=833-(644+107)=436×2-264=459+67×5=87+336-67=914-778=421-(310-225)=872-(660-316)=82×(74-69)=404-249+511=191+287=330-186-46=548-(852-795)=407-12-152=224+356+803=686-82×2=30×8+315=87×3-121=315-34×2=580×(827-823)=716-143×2=423-68×5=4/9-2/9=209+117=192+48=313+37+239=36×8+302=512-350+267=87×3=640-66+408=174+254-245=642-(509-66)=65×(311-305)=649+(575-138)=444-168=5/9-2/9=248+726=313-39-165=305-33×7=237-121=365+131-75=520-(781-298)=166+450+643=498-38×7=398-203=327-290=219+11×9=247+(190-165)=984+786=68×7+783=470-(235+11)=203+250=567+275-792=107×5=669-(595-503)=312×3=286-146+387=759-428=448-94-56=1/6+4/6=494-26×3=540×5=173-(280-126)=951-42×9=110+384-407=152×6-87=377+328+834=526-237+429=614-140×3=667-(856-640)=65+(141-67)=206-150+360=681-578-77=98+264=119+36=815-134-673=505-44-289=277-(878-675)=22+344+484=172-36×3=122+25+74=759+(248-13)=620-224+480=362-33×3=28+51=214-(154-151)=163×6-721=174+615=479-137×2=382×(249-246)=471-(206+253)=442-18×9=111×(491-482)=321+(472-187)=801+(821-301)=510×(35-31)=480-(313+41)=399-138-60=987×(262-255)=736-(397+187)=61+391-18=335+148-138=784+580=514+248-643=6/7-1/7=120×2+374=74+234=111×9-591=703-(737-438)=668-490+747=875+248+861=293+185-169=485-472+226=291×3-613=902×8-185=579-453=798×(474-470)=539-(295+131)=241+141=384×(634-629)=400-161-66=118-33-55=178×4-47=492-(49+96)=508-498=831-213-328=832-235-11=746+(195-151)=940×(779-771)=494-103+728=745+928-71=429-75=305×3-251=89+170-239=472-103+934=339+154=582+318×2=611-(757-464)=472-89×2=2/7+3/7=318+370+100=41×6+115=101×9-149=54×9+871=414-151+519=648-204×2=103-83+419=411-(209+180)=333+403=446-69×2=202×6-263=57×7=968-241=311-20×5=433-59-124=465-161+35=482-33×8=929-(293+602)=760-(208+145)=565×3=237+(687-607)=799-(796-271)=767-(661+76)=477×(448-443)=667-(394-327)=88×(295-291)=853-(523-360)=376+949-758=5/8+3/8=409-(130-124)=734-(425+149)=748+367+390=417-364+351=456+43-371=427+257=330×(49-46)=302-226+399=202+52+567=672+497-121=856-33+934=189+(519-340)=509-97×4=288+96+390=243+230=194+617-391=278-127=120-34-51=426+890+421=463×6=455-(94-89)=878-273×2=717+(953-11)=406+85-291=308-57×2=80-11+32=1/6+2/6=125+166=4/6-2/6=367-223-20=248-28-121=95×7=313-106×2=123-(464-462)=124+253-245=497+(299-191)=333+120×8=693-439+43=202+174+415=208×(585-576)=109×9-846=879-(343+447)=105-83=74×(362-358)=580-(527-384)=166×8-876=441+853+327=1/7+5/7=995-(325+438)=2/3-1/3=811×6=373-243-11=394+(277-175)=675+(361-112)=993-30=1/8+5/8=427+139+191=488-69×2=615-225-344=6/8-1/8=262+527-620=476-(52+90)=335-161×2=462-(319+101)=227+748+353=346-111=665×9-951=591-88+635=234+(470-263)=350×2=461+886+634=973×6=315-208=88×6=192-70-30=260+(985-409)=901-(85+172)=941-364+218=39×6=902-153×5=282-(921-674)=373-45=663+450+854=543+320+126=4/7+2/7=49×3=811-296-353=396+42×5=269-191=452+102=435-99×3=46+547-203=59×9+196=647+83+36=87+59+546=341+(238-233)=470-(171+175)=839-469+776=935-(341+364)=503×5=87×(790-781)=48+(470-204)=763+37×4=360×3-589=881×6=463+(678-244)=114×6-185=373-105+165=63+282=492-287-156=611-163×3=232+664=285+173+71=448-328-82=965-540=84-(296-258)=225-(321-239)=3/6-2/6=349×2-697=154×5-680=70×2+435=852-193-553=11+(429-222)=352-(248-181)=368+65×7=342-151=309×3=382×2-593=284×3+144=842-(240+451)=94+(288-247)=581+154=517+(823-591)=518+496-312=363+31×8=114+90+648=227×(267-263)=181-46×2=832+961-308=950×9=292×(696-691)=548×(121-116)=86×(384-379)=142×5-384=59+167×4=361-187+53=327-105=329+151-463=415-95+173=252+78=345+542+952=47+180=85+15=428+263+281=参考答案424-(168+177)=79338-(141+103)=94431×2+86=948192-66=126322+(424-313)=433534+315=849275-113+907=106961+40=10130+407-372=65255-154=101808+179-923=64864×5-825=3495494-(214-94)=374884-430-401=53276+780-49=1007197×5-733=252121×4=484153+100+240=493449+329=778208×3=624760+768+785=2313810-112=698473+(355-271)=557371+(88-51)=408385-10=375408-34-129=24584+356-183=2573/6-1/6=2/6933+(952-879)=100640×2+862=94234×(151-144)=23843×7=301538-(701-251)=88953+286×3=1811985-50+942=1877992+595-581=1006608-(844-803)=567298+28+304=63091×4+311=675116×(290-286)=464727-60-294=373593-463=130150-116+265=299966×(389-385)=3864226-(719-501)=8684+262+783=1729477-75×3=25294×2=188394-56=33852+244=296317×2-572=6294+365-335=124271-189+379=461650-70-115=465171×5-144=711139+413=552320+745=1065307-(452-388)=243140+316-445=11535+344=879440×2=88011×(37-30)=77389-198-154=37152-(139-66)=79257×3-685=86145×7=101519+447-109=357223+(362-256)=32981×5-396=9601+525=1126228×2=4566/8-2/8=4/8104×5=520819-182=637869-(892-136)=113729-619=110898+(351-190)=1059208+(408-290)=326133×5=665780×9-714=6306670-(433-191)=428921-247-374=300778+707+92=1577192-143=49580×3-16=1724455-162×2=13131×(397-391)=186466-196+126=396499-236=263324-193=131601×4-334=2070306×4=1224369-(137-85)=317640+149×2=93886+69=155504×7=3528912-456-399=574/7-1/7=3/7312-(87+19)=20631×(606-600)=18643×(242-237)=215226+116-244=98332+114=446486-155-229=102227+80×9=947776-(362+361)=53300-(203-159)=256693+(790-156)=132798×9=882244+124-337=31419-411+271=279120×5-599=1982+60+421=1463222+188=410155+145=300963×(24-17)=6741693×(881-873)=5544209+257-304=162487+213=700138+64-98=10485+515+367=967177+197=37468×2=13689×6-429=105651-179-72=400646-305=341165+(295-210)=250118-(513-510)=115116+(466-205)=377226×4-688=216395×(296-291)=197519+(397-108)=308142-(85+31)=26682-(209+411)=62692-(109+492)=9184×(281-276)=420243-(309-115)=49434×7=303810+(397-329)=78169×4+329=1005103-43+10=70269-165+221=325526+759=1285550+(849-466)=933120×(81-76)=600767+655-75=134788+(498-282)=304211+805-911=105591×3-726=1047421-218-143=60830+611+105=1546480+199=679441-(61+279)=101964-242-439=283972-57×5=687788-137×3=377789×8=631266+61+67=194495-(277-42)=260341×4-215=1149180×9-947=673742-(138+119)=48514+536+271=821516+893-94=1315259-146=113126×(242-239)=378435-327-71=37927+277-98=110669+(725-583)=211847-584-211=5298+205+433=736119×7=833187×2=374797-250-442=105437-266+138=309926-(940-686)=672851-220+670=1301968-192×4=200132×6-244=548204×(92-88)=81684×6+121=625243-132+136=247384+75-383=76400-61+49=388153×4=612601+70-494=177749-108-579=62245+28-203=70308+110×6=968967+625-434=1158305+106=4111/6+5/6=1484-(277+181)=26257×(403-400)=771170+199-57=31215+309-191=133182+232=4142/6+4/6=1985-665=320264×3-227=565200×4-277=523476-(46+184)=246799-253=546354-(323-136)=167295×3+816=1701891×5-854=3601449-(75-15)=38924+169+455=648428-249=179390+(412-106)=696181×3+314=857861-74+233=1020810-125-676=9347+(611-259)=699157×6=94287+(844-795)=136430-(293-71)=20816×(212-209)=48799-(137+566)=96407-388=19116×8-82=846234-(408-322)=148393-(413-183)=163104+(279-167)=216336-55-188=93366+(494-294)=566119×5+28=623785+(650-523)=912294-(414-388)=268440-27-46=367422+311+660=1393459×2+453=1371208+(936-568)=576564+118×2=800419-58×6=71242+96×3=530101+71=172231+210=44181+(397-85)=393421-(257+106)=58677+53×4=889433-300+30=163211+173+71=455719-184=535756-17+26=76523×3=6965×7=455387+133×2=653455-(312-199)=342470-112×2=24653+300=353747+707+925=2379464+234×3=1166470×3-759=65166+752-133=685143+(916-299)=76074×(134-131)=22290+384-192=282434×3-412=890476-(97+195)=184768-(85+534)=149447-118-237=92138+(454-410)=182225+30×3=315125×(189-186)=375359-117-31=211539×6-777=2457865-(46+311)=508213×(283-279)=852199-44×2=111681-(195+62)=424913+(923-195)=1641609-167=442811×9-231=7068340+122=462841+396-465=772378-28-176=17458×4=232692×(957-952)=3460327×3-243=738152×2-220=84692-351=341242×3+591=1317936-621+763=1078802+841=1643159+(313-92)=380566×(122-115)=3962140-104-13=2311×(279-271)=88825-716-87=22116+62×3=302915-(868-758)=805950-294=65639+19+758=816437-28×2=381303+134-313=12479×9=711299-199=100371×2=742917+(377-149)=11452/10+5/10=7/10421-42=379671-541+548=678415-(366+24)=25405-(285-39)=159829-(498+107)=224340-(67+49)=22489×6+14=548406+107×5=941433-235-24=174229×5-115=10303/8-2/8=1/8153×6=918807-66×6=411915-81×3=672483-149×2=185690-192-436=62915-44-488=383342-76×4=38319×3-18=939694+806+821=2321327-(109+181)=37966-173=793849+528+882=2259462+630=1092465-50-376=39276+107×7=1025292+(827-272)=847136×3-220=188854-(367-356)=84322+417+465=904475-15×3=430108×7+421=117729+228×3=713133-(218-121)=36536+109=645306-(116+124)=66299-28×8=75130×(339-333)=780105×(490-484)=630406-(783-614)=237422-10×3=392446-(233+193)=2037+158-97=982/4-1/4=1/4363+(666-515)=51453+272=325485×(707-704)=1455216-17×7=97481-388=93200×2=40051+392-16=427459+115+206=78031×(108-99)=279294-44×3=162100+191+363=654910×(715-710)=4550422+17-198=241837-(388+152)=297926-(105+267)=554461+89×6=995647-589=58560-132+894=1322214+233=447825+919-228=1516306×2-450=162982-(382+174)=426467+80+393=940421-82×3=175739×(935-926)=6651448×9-397=3635162+22×7=316187+228-79=336781-688=9317×7=119221+(418-101)=538721-93-123=505221+124=345978+322-957=343250-(172+59)=19533-91×3=260388-(283-57)=1622/10+4/10=6/10419+200×2=819354-(88+157)=109662+10×7=732856×6-488=4648209+74×6=653225×2+54=504637×9=5733164×3+724=1216285-79×3=48546-59×2=428269×2-16=522267×2=534142×(396-390)=852427-201+192=418610-256-259=95207+241=448649-590=59491-426+175=240254-(295-174)=13371+(412-163)=320260×6-292=1268423+561=984386-341+364=409744-698+945=991909×6-633=4821197+160×3=677469-(840-665)=294474-(60+80)=334217×(888-884)=86898×3+156=450466-(67+237)=162752-254=498337-(459-279)=157409×8-906=2366493-(158+148)=187333-132-167=34183-(597-496)=825/7+2/7=1807-77×6=345386-39-314=33430×(922-919)=1290392+122+90=604278+685=963154×2-140=168492-273=219436-218=21830×(116-107)=270930-(975-676)=631471-435+236=27294×6=564452-(262-253)=443497-91×4=133627-91-334=202397+(969-695)=671200-55=145947-789=158446×(488-481)=3122228-135+357=450891-173×5=2697×9+96=969670-220+738=1188444+777+686=1907828-137×6=6404-(30+355)=19916+194=1110217-162+265=320134×(250-244)=804367-(272-259)=354178×7=1246730-299×2=132410-(335+18)=57659-228+681=1112415-19-344=52229×(426-422)=91625×3=7585×5=425721×3=2163184+262=446935-120×6=215765×(993-985)=6120315-(159+36)=120362-(123+88)=15151×2+579=681380+315+155=850347-314=33710-(460+202)=48610-(70+142)=398451-391+331=391474+(715-586)=60343×3+448=577436×7-159=2893714×(605-597)=5712554+329-763=120141+744+52=937554-236-236=82971-560-282=129185×8-539=94137+20=57118+152+246=516309+(283-29)=563432-401+442=473498-344=154261+(477-404)=334427+117×8=1363805-(313+152)=340442×2+48=932155×4=620838-(66+88)=684933-418×2=97459+28-363=124421-203=21886×9=774191+540+181=912221+284+318=823101×5=50570+410=480275+237+13=525897-(300-298)=895957×5=478546×9+116=530253-78+32=207488-178+90=400180-(55-42)=167546×3=1638135×(29-22)=945414-(437-314)=29181+305-38=34893+43+183=319455+635+427=1517470-397-14=5971+144+720=935874+776+121=1771988-338+587=1237783×5=3915370+300+251=921846-412×2=22261-188+12=85883-362×2=159661×7=4627112×5=560248+995-450=793304-148+227=383267-238=2992+833-507=418850-100=750647+(629-519)=757125×(432-424)=1000862+(703-438)=1127470-345=125652+(827-140)=1339765-56×4=541144-119+172=197288-126=162479-(119+190)=170436+10-156=29049×(113-105)=39219×5+33=128489×8-998=2914863-224-548=91833-(644+107)=82436×2-264=608459+67×5=79487+336-67=356914-778=136421-(310-225)=336872-(660-316)=52882×(74-69)=410404-249+511=666191+287=478330-186-46=98548-(852-795)=491407-12-152=243224+356+803=1383686-82×2=52230×8+315=55587×3-121=140315-34×2=247580×(827-823)=2320716-143×2=430423-68×5=834/9-2/9=2/9209+117=326192+48=240313+37+239=58936×8+302=590512-350+267=42987×3=261640-66+408=982174+254-245=183642-(509-66)=19965×(311-305)=390649+(575-138)=1086444-168=2765/9-2/9=3/9248+726=974313-39-165=109305-33×7=74237-121=116365+131-75=421520-(781-298)=37166+450+643=1259498-38×7=232398-203=195327-290=37219+11×9=318247+(190-165)=272984+786=177068×7+783=1259470-(235+11)=224203+250=453567+275-792=50107×5=535669-(595-503)=577312×3=936286-146+387=527759-428=331448-94-56=2981/6+4/6=5/6494-26×3=416540×5=2700173-(280-126)=19951-42×9=573110+384-407=87152×6-87=825377+328+834=1539526-237+429=718614-140×3=194667-(856-640)=45165+(141-67)=139206-150+360=416681-578-77=2698+264=362119+36=155815-134-673=8505-44-289=172277-(878-675)=7422+344+484=850172-36×3=64122+25+74=221759+(248-13)=994620-224+480=876362-33×3=26328+51=79214-(154-151)=211163×6-721=257174+615=789479-137×2=205382×(249-246)=1146471-(206+253)=12442-18×9=280111×(491-482)=999321+(472-187)=606801+(821-301)=1321510×(35-31)=2040480-(313+41)=126399-138-60=201987×(262-255)=6909736-(397+187)=15261+391-18=434335+148-138=345784+580=1364514+248-643=1196/7-1/7=5/7120×2+374=61474+234=308111×9-591=408703-(737-438)=404668-490+747=925875+248+861=1984293+185-169=309485-472+226=239291×3-613=260902×8-185=7031579-453=126798×(474-470)=3192539-(295+131)=113241+141=382384×(634-629)=1920400-161-66=173118-33-55=30178×4-47=665492-(49+96)=347508-498=10831-213-328=290832-235-11=586746+(195-151)=790940×(779-771)=7520494-103+728=1119745+928-71=1602429-75=354305×3-251=66489+170-239=20472-103+934=1303339+154=493582+318×2=1218611-(757-464)=318472-89×2=2942/7+3/7=5/7318+370+100=78841×6+115=361101×9-149=76054×9+871=1357414-151+519=782648-204×2=240103-83+419=439411-(209+180)=22333+403=736446-69×2=308202×6-263=94957×7=399968-241=727311-20×5=211433-59-124=250465-161+35=339482-33×8=218929-(293+602)=34760-(208+145)=407565×3=1695237+(687-607)=317799-(796-271)=274767-(661+76)=30477×(448-443)=2385667-(394-327)=60088×(295-291)=352853-(523-360)=690376+949-758=