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170-(560-468)=616×4-953=363+(489-380)=144+678=415+(251-70)=486-64-103=903-659=62+77=4/5-1/5=956-677=454+148×5=825×(765-760)=505+72×6=339-186+97=24+(860-614)=755-148=192-54-87=98×4-73=337+87-165=473-(123+234)=59×7=301-30×4=433+144×2=115×2=297-(88+128)=305+838=333+603=392+297-198=310-211+397=147×9=787+429×2=480-335=163×5-729=23×8+280=605-147=13×(55-49)=202+559=416×(293-286)=988-503-22=83×5=392-261+149=3/9+5/9=83+161=459×(580-573)=464-(843-770)=486-412=265-(102+144)=747-172-511=488-173-132=334-58×3=571-56×6=337-95-117=147-(454-431)=31×9-14=233×4=752-(230+513)=273+54-316=813-74=1/7+3/7=636+(547-280)=439-(195+129)=163×2+493=707-(73+87)=872-228-316=242-(719-676)=755-76-134=135+222+113=675-(667-298)=78+82=198-58-137=716-481=489-210-153=366-199+181=164×2=347-142=231-158=386-76-292=328+407+739=372-22+540=228-108=555+891+905=399×8=260×(60-51)=461-362-45=223×4=78+(209-165)=88×3=90×(393-386)=74×(364-361)=489-75-92=834-101+254=110+129+158=510×6-266=60+360=264-189+310=150×3=390×2=689-(861-818)=62×4-56=809-(491-146)=389-24-350=88+363-284=282×(165-162)=211-20×4=137+488+818=458-180-72=57×(52-49)=156×6-163=841+361-370=536+310-840=67×4-11=457-140=223+221×2=700×(66-60)=271-(786-608)=456-(183-147)=467-336+638=545×7-533=10×5+19=909-199-227=243+154=306+82-259=142+157×3=207+(441-47)=323×3-295=29×(427-423)=530×6-612=782-141=366-46×3=170×(270-265)=378-37×4=301-152=396×3-776=401+202=29×7-76=104×4-84=608×4=414-(160+70)=177×4=309×2=511-104=320×(296-293)=956-20×7=586+372+321=563×3-471=28×4+616=566+392+857=85+94-34=987-(466-350)=681-167=814-(97+268)=89×9=54×(327-323)=28+230+16=723+420×2=146+86-136=492×(432-425)=347+103-110=704-464=864×3-724=300-(264-203)=3/6+2/6=706-122×5=224×4=54×9=388-79-194=339+96+532=172×(797-792)=484+(338-262)=486-345=453-149+149=974+(814-798)=403+(982-287)=801-(620-91)=742+167=326×(378-375)=871-(360+249)=4/7-2/7=18×8=637-65×5=816+(579-557)=724-206+234=180+101=1/4+2/4=514-96=282-83+197=442-181=709-233=158+122×5=424-(818-410)=426-90-135=2/6-1/6=269-13-98=367-27×7=582+134-117=665-(911-355)=77+388=836-129×6=608-593=189×5-889=157-136=236-31-132=102×4=306-64-235=320-43×4=665×9-50=144×4-384=205-(89+92)=318×(139-136)=64×3+195=50×(38-29)=507+(975-812)=200+244-379=949-(53+141)=915-325=339-(981-723)=148×(197-191)=630+141×3=312-127+361=810-(140+287)=401+(390-287)=807-77×6=2/5+3/5=831+627=431-247+127=557×9-685=454-73×4=580+24+129=452×6=785×8=357+22×8=581+990-445=997-919+283=170×(43-40)=103×(273-266)=429-(229+50)=23+468+343=56×5-70=203+283=729+(411-81)=202×2=378+81-122=430+(144-62)=454×5-266=685×2=958-190×2=284-160=933-623+689=79+314-80=229+245-151=472-17-106=407+(79-71)=174+53=78+107=789+97×4=330-(470-459)=191+135=147×2+159=190+674-646=322-137+143=553+28+366=129-(170-74)=437+(198-107)=375-327=883-(460+95)=464-141=181-(453-289)=361-20=481-(416-27)=106+148=191×3=277+(469-42)=470-17×6=296-267=889-(576-355)=298×9-692=889-51×5=10+230-49=266-73+173=2/9-1/9=464-(283-173)=259+215=4/6-2/6=110+375-320=89+307=322-132+71=703-148=970-(920-686)=495-(131+155)=121×5+300=918+40-10=250-(35+37)=220-(358-166)=193+951+264=250+(604-89)=73+274+870=1/6+4/6=766-(251+354)=529+236-141=159×5=907-262×3=112×(482-477)=895+682+873=314+57=996+77×6=219-23×5=115+(311-192)=325×(41-38)=497+(985-818)=293+594-414=964×4=539-262-37=622×7-874=728×5=57+281=42+74=334×2-367=5/8+2/8=591-(133+215)=153+216-173=196-(63+93)=337-(245+31)=479-22×7=64+26-88=114-14×2=801×3=731+315-464=187-(27+151)=267+168=914+919+968=494-344=191×4+133=79×6-21=947×(818-810)=338-26×5=183+706=39×6+110=419×6-340=642+688-968=824×(374-368)=449-379+131=109+313=117+307-331=500-16-13=204+653-278=974-144×3=469-209-135=22×8+456=340-(128+170)=370×9-55=119+46=325+134+418=224-(458-383)=151×(371-365)=500-59×7=427-322+235=677-179+67=847-(931-405)=397-228-117=115+234=433+70+48=293+154+449=4/8-3/8=76×8=72×6+440=809-767=106×5-130=920+910=977-201+869=443+71×6=862×(414-409)=312+(469-420)=175+110=302-(11+14)=131+369+469=418-(118+161)=431-384+321=459+171=199-(156-17)=482+(404-62)=76+58+546=399-82-182=691-412-14=981×4=194×8-625=369×2+977=352-37×9=293+(392-24)=220-203+447=152+319-227=311+204+441=225+271+271=247×9=287-265=633×6-437=876-(313-125)=281+83=273-18×6=221×6=941×7=693-(828-328)=171+333+132=809-643+859=729-(483+184)=409-(417-210)=77×(451-443)=312-(312-228)=165+240-307=324-121×2=569×(779-770)=595-135-354=205×3=787×(985-980)=154-30+86=367-29=442+(477-293)=493+548-578=148-10×5=504+433=497+(465-226)=246+90-17=189+(252-179)=719×(407-400)=393×5-966=614-(476-192)=3/6-2/6=155×2=79+(664-65)=306-215=161+660+517=703-(415+224)=361-326-26=50+(293-11)=63-14+734=790-(131+109)=433-299=1/9+5/9=500-(472-314)=328-36×9=478-(210+66)=155+344=122×6=412-177-193=820-303-318=260-(28+126)=452-363+508=439-395=447-76×2=871-52×3=518-(430-383)=254+(346-218)=665+216-713=156×(62-59)=240×(382-378)=838+972=592-(227+255)=413+463+830=455-(93+88)=254×9-277=142-77-44=118+291-90=568-37=429-(204-107)=405+579-219=429-395=377-98+663=309-(416-238)=801×(729-720)=323+(672-322)=395+240+248=549+632-231=179+201×3=424-10-86=112+11+161=137×6+705=623+71×3=1/5+2/5=176×4-492=889-744-115=24+285+321=12+307-298=160×9=698+589-546=373+63×6=347-299+237=562×3=397-(31+340)=152-(337-309)=363-63=544×(196-191)=323+(877-606)=262×3+133=931-(101-77)=939-573=31×4+111=86×(734-726)=361+625=988-(318+514)=131×6-113=218×(259-255)=221+194×3=3/10-1/10=374+(892-671)=193×(288-282)=89+32+429=491-103+501=91+23-74=296+293=465-41×7=482-213×2=395-(226+15)=584-(892-833)=399-77=291×9=220+(274-24)=339+108=23+(426-283)=2/4-1/4=400-375+79=958+50-128=71+95=464-127-308=240×2+431=415+550-178=360+(472-361)=609-539+690=718+564=285×3+683=657-38+55=461+86×4=230+56-76=37×4=807×5=155+203+155=194×4-391=381-160×2=778-(206+270)=712-572=106+144+103=936+657=47-(247-203)=566-(781-274)=638+(408-50)=117×(271-267)=495-(155+116)=421-363+185=805+966=20×4=979-(410+401)=748×2=436-379+119=205-192+380=770-75×9=570-(383+77)=62×2-30=153+141=681-(392-390)=632-426-31=4/6-1/6=833-362+991=273-204=121+(665-481)=236-123=111×2+433=438+668-873=834×3-62=475-296-168=283+339+952=210-187=177+282+215=545+537-42=916+400+723=465-(959-800)=435+135+406=638-78×2=300-135-13=474-(145+76)=726-121×2=493-482+297=926-(758-299)=201×(939-935)=974-264×3=840-134-353=929-161-337=252-(92+106)=364+936+382=840-455=804+41+143=419+74×4=129+180=307×(284-280)=107-39+159=226+338=931-100×8=435-21×4=259+(668-301)=493-233=65×(394-389)=69×7+712=801×8-880=840-452-382=61+641+369=107-41×2=187×(479-476)=972-(782+115)=984-598-85=501×5-240=205-23×5=783-(149-43)=445-(215-158)=857-355+169=479+796=366+351=586+519+173=153-107=228+(914-377)=99×4+352=284+(841-617)=179×(223-218)=318-(130-113)=223×6=214+131+193=221×2=490-(155-111)=234×(407-403)=423-217+248=301-148×2=999+595+903=354×2-565=969×9=811-254-40=238+429+263=733+922=6/9+2/9=944-360-324=757-(613+105)=529+16×5=202+724=407-(270-267)=205+179×3=690-40×8=953×(854-848)=132×7+815=69×4=555+(788-377)=434+977-624=247+55×3=419-113=258+664+620=135-35×3=319-136=959-621-43=224-(341-229)=356-111×2=462-80+75=359+(376-86)=511-(520-322)=49+(950-856)=910+474-97=949+(684-409)=855×2-696=602+(751-300)=784-204=84×(97-91)=255×3-217=300-22-161=20+812-579=295-185=671+564=894+(979-552)=160+152×4=526-515=300+106-278=497-(144+149)=875-135-231=58×5+499=853-750+873=973-284=176×3+895=556-328-15=120+547+176=328×(591-584)=258×3+596=717×7-307=340×2=347-31×7=420×(626-621)=383-160-169=295+(303-44)=467×5=810-(221+496)=268+444+781=429+(380-47)=266×2-16=301-(26+46)=833-249×3=538+994+182=322-41×3=433+204×2=93+49+708=929-527+199=284×2=47+157-184=362-20×2=217-77-44=411-121+171=431-369+858=178×5-129=123×2=901-259-575=865-229-77=790×(79-70)=269-268+215=869×(593-585)=924-627+117=925-54×2=404+(171-91)=65×5-89=851-222×3=973-865+910=436-190×2=495-(272+92)=477+(628-510)=386+279=130×3-257=325-153=367-(393-347)=466-(33+308)=299+131+474=222+336+153=113×(479-472)=179+306+262=968-224+391=68×9=568-(66+226)=92+(42-21)=479-(99+10)=908-65×2=85-50+114=459+596-170=368×7=151+463+630=2/5-1/5=716×(938-931)=173+302-304=828+(448-303)=490-306=270-(22+160)=838-290-370=324+119-271=296+(471-275)=428+49-219=252-(489-369)=53+(320-130)=842+436-420=468-308+476=165+(97-38)=457×2=218×4-365=346-228=454-(99+133)=845-597-148=119×8-620=200+(252-10)=167-130-32=244+96=447-37×5=107+318×2=65+271-126=633-(201+112)=52×5+369=264×(244-241)=172+64=148+341-349=711+614+323=997-(529+264)=424+61×2=615-213+562=125×(140-132)=432-44+15=61+356=183-(109-87)=61×6-13=252-101-92=376-109=95+107+836=877-523-281=52×5=736+560-338=244+426+17=147×3-202=143+(319-126)=27+451+355=483-(494-285)=912+865=58×6+410=159+297=98+406×2=776×4-147=147+42=422×2=68×4-225=468×(289-286)=128×(53-47)=772-(350+343)=11×2+306=682-28+921=2/3-1/3=337-197=127×6+195=809+148+154=469-78×3=392-(296-180)=469-94+86=392+(795-792)=98-32+19=377-82×3=191×4-640=27+40=209-(338-323)=467×2=333+95-160=1/6+2/6=252-(191+52)=892-299-584=754-(646-265)=142+182×2=144×4-33=709-(530+64)=458-75×6=264×7=688+(721-48)=178+33+336=298-161-100=551-88×5=240-116+320=28+254+24=490+385-622=207+135×7=38×8-132=2/8+4/8=34×7=127×(591-586)=441-(31+13)=841-(56+513)=214-(441-261)=29×5+280=495×6-946=579×2-311=204+32×9=316-(276-230)=420+532+502=81-11×5=420-(226+80)=534-(400-399)=950-398+270=132+(189-120)=156×(60-55)=352-(176+161)=869×5-989=39×8+414=827×7=273+23-137=445+930=参考答案170-(560-468)=78616×4-953=1511363+(489-380)=472144+678=822415+(251-70)=596486-64-103=319903-659=24462+77=1394/5-1/5=3/5956-677=279454+148×5=1194825×(765-760)=4125505+72×6=937339-186+97=25024+(860-614)=270755-148=607192-54-87=5198×4-73=319337+87-165=259473-(123+234)=11659×7=413301-30×4=181433+144×2=721115×2=230297-(88+128)=81305+838=1143333+603=936392+297-198=491310-211+397=496147×9=1323787+429×2=1645480-335=145163×5-729=8623×8+280=464605-147=45813×(55-49)=78202+559=761416×(293-286)=2912988-503-22=46383×5=415392-261+149=2803/9+5/9=8/983+161=244459×(580-573)=3213464-(843-770)=391486-412=74265-(102+144)=19747-172-511=64488-173-132=183334-58×3=160571-56×6=235337-95-117=125147-(454-431)=12431×9-14=265233×4=932752-(230+513)=9273+54-316=11813-74=7391/7+3/7=4/7636+(547-280)=903439-(195+129)=115163×2+493=819707-(73+87)=547872-228-316=328242-(719-676)=199755-76-134=545135+222+113=470675-(667-298)=30678+82=160198-58-137=3716-481=235489-210-153=126366-199+181=348164×2=328347-142=205231-158=73386-76-292=18328+407+739=1474372-22+540=890228-108=120555+891+905=2351399×8=3192260×(60-51)=2340461-362-45=54223×4=89278+(209-165)=12288×3=26490×(393-386)=63074×(364-361)=222489-75-92=322834-101+254=987110+129+158=397510×6-266=279460+360=420264-189+310=385150×3=450390×2=780689-(861-818)=64662×4-56=192809-(491-146)=464389-24-350=1588+363-284=167282×(165-162)=846211-20×4=131137+488+818=1443458-180-72=20657×(52-49)=171156×6-163=773841+361-370=832536+310-840=667×4-11=257457-140=317223+221×2=665700×(66-60)=4200271-(786-608)=93456-(183-147)=420467-336+638=769545×7-533=328210×5+19=69909-199-227=483243+154=397306+82-259=129142+157×3=613207+(441-47)=601323×3-295=67429×(427-423)=116530×6-612=2568782-141=641366-46×3=228170×(270-265)=850378-37×4=230301-152=149396×3-776=412401+202=60329×7-76=127104×4-84=332608×4=2432414-(160+70)=184177×4=708309×2=618511-104=407320×(296-293)=960956-20×7=816586+372+321=1279563×3-471=121828×4+616=728566+392+857=181585+94-34=145987-(466-350)=871681-167=514814-(97+268)=44989×9=80154×(327-323)=21628+230+16=274723+420×2=1563146+86-136=96492×(432-425)=3444347+103-110=340704-464=240864×3-724=1868300-(264-203)=2393/6+2/6=5/6706-122×5=96224×4=89654×9=486388-79-194=115339+96+532=967172×(797-792)=860484+(338-262)=560486-345=141453-149+149=453974+(814-798)=990403+(982-287)=1098801-(620-91)=272742+167=909326×(378-375)=978871-(360+249)=2624/7-2/7=2/718×8=144637-65×5=312816+(579-557)=838724-206+234=752180+101=2811/4+2/4=3/4514-96=418282-83+197=396442-181=261709-233=476158+122×5=768424-(818-410)=16426-90-135=2012/6-1/6=1/6269-13-98=158367-27×7=178582+134-117=599665-(911-355)=10977+388=465836-129×6=62608-593=15189×5-889=56157-136=21236-31-132=73102×4=408306-64-235=7320-43×4=148665×9-50=5935144×4-384=192205-(89+92)=24318×(139-136)=95464×3+195=38750×(38-29)=450507+(975-812)=670200+244-379=65949-(53+141)=755915-325=590339-(981-723)=81148×(197-191)=888630+141×3=1053312-127+361=546810-(140+287)=383401+(390-287)=504807-77×6=3452/5+3/5=1831+627=1458431-247+127=311557×9-685=4328454-73×4=162580+24+129=733452×6=2712785×8=6280357+22×8=533581+990-445=1126997-919+283=361170×(43-40)=510103×(273-266)=721429-(229+50)=15023+468+343=83456×5-70=210203+283=486729+(411-81)=1059202×2=404378+81-122=337430+(144-62)=512454×5-266=2004685×2=1370958-190×2=578284-160=124933-623+689=99979+314-80=313229+245-151=323472-17-106=349407+(79-71)=415174+53=22778+107=185789+97×4=1177330-(470-459)=319191+135=326147×2+159=453190+674-646=218322-137+143=328553+28+366=947129-(170-74)=33437+(198-107)=528375-327=48883-(460+95)=328464-141=323181-(453-289)=17361-20=341481-(416-27)=92106+148=254191×3=573277+(469-42)=704470-17×6=368296-267=29889-(576-355)=668298×9-692=1990889-51×5=63410+230-49=191266-73+173=3662/9-1/9=1/9464-(283-173)=354259+215=4744/6-2/6=2/6110+375-320=16589+307=396322-132+71=261703-148=555970-(920-686)=736495-(131+155)=209121×5+300=905918+40-10=948250-(35+37)=178220-(358-166)=28193+951+264=1408250+(604-89)=76573+274+870=12171/6+4/6=5/6766-(251+354)=161529+236-141=624159×5=795907-262×3=121112×(482-477)=560895+682+873=2450314+57=371996+77×6=1458219-23×5=104115+(311-192)=234325×(41-38)=975497+(985-818)=664293+594-414=473964×4=3856539-262-37=240622×7-874=3480728×5=364057+281=33842+74=116334×2-367=3015/8+2/8=7/8591-(133+215)=243153+216-173=196196-(63+93)=40337-(245+31)=61479-22×7=32564+26-88=2114-14×2=86801×3=2403731+315-464=582187-(27+151)=9267+168=435914+919+968=2801494-344=150191×4+133=89779×6-21=453947×(818-810)=7576338-26×5=208183+706=88939×6+110=344419×6-340=2174642+688-968=362824×(374-368)=4944449-379+131=201109+313=422117+307-331=93500-16-13=471204+653-278=579974-144×3=542469-209-135=12522×8+456=632340-(128+170)=42370×9-55=3275119+46=165325+134+418=877224-(458-383)=149151×(371-365)=906500-59×7=87427-322+235=340677-179+67=565847-(931-405)=321397-228-117=52115+234=349433+70+48=551293+154+449=8964/8-3/8=1/876×8=60872×6+440=872809-767=42106×5-130=400920+910=1830977-201+869=1645443+71×6=869862×(414-409)=4310312+(469-420)=361175+110=285302-(11+14)=277131+369+469=969418-(118+161)=139431-384+321=368459+171=630199-(156-17)=60482+(404-62)=82476+58+546=680399-82-182=135691-412-14=265981×4=3924194×8-625=927369×2+977=1715352-37×9=19293+(392-24)=661220-203+447=464152+319-227=244311+204+441=956225+271+271=767247×9=2223287-265=22633×6-437=3361876-(313-125)=688281+83=364273-18×6=165221×6=1326941×7=6587693-(828-328)=193171+333+132=636809-643+859=1025729-(483+184)=62409-(417-210)=20277×(451-443)=616312-(312-228)=228165+240-307=98324-121×2=82569×(779-770)=5121595-135-354=106205×3=615787×(985-980)=3935154-30+86=210367-29=338442+(477-293)=626493+548-578=463148-10×5=98504+433=937497+(465-226)=736246+90-17=319189+(252-179)=262719×(407-400)=5033393×5-966=999614-(476-192)=3303/6-2/6=1/6155×2=31079+(664-65)=678306-215=91161+660+517=1338703-(415+224)=64361-326-26=950+(293-11)=33263-14+734=783790-(131+109)=550433-299=1341/9+5/9=6/9500-(472-314)=342328-36×9=4478-(210+66)=202155+344=499122×6=732412-177-193=42820-303-318=199260-(28+126)=106452-363+508=597439-395=44447-76×2=295871-52×3=715518-(430-383)=471254+(346-218)=382665+216-713=168156×(62-59)=468240×(382-378)=960838+972=1810592-(227+255)=110413+463+830=1706455-(93+88)=274254×9-277=2009142-77-44=21118+291-90=319568-37=531429-(204-107)=332405+579-219=765429-395=34377-98+663=942309-(416-238)=131801×(729-720)=7209323+(672-322)=673395+240+248=883549+632-231=950179+201×3=782424-10-86=328112+11+161=284137×6+705=1527623+71×3=8361/5+2/5=3/5176×4-492=212889-744-115=3024+285+321=63012+307-298=21160×9=1440698+589-546=741373+63×6=751347-299+237=285562×3=1686397-(31+340)=26152-(337-309)=124363-63=300544×(196-191)=2720323+(877-606)=594262×3+133=919931-(101-77)=907939-573=36631×4+111=23586×(734-726)=688361+625=986988-(318+514)=156131×6-113=673218×(259-255)=872221+194×3=8033/10-1/10=2/10374+(892-671)=595193×(288-282)=115889+32+429=550491-103+501=88991+23-74=40296+293=589465-41×7=178482-213×2=56395-(226+15)=154584-(892-833)=525399-77=322291×9=2619220+(274-24)=470339+108=44723+(426-283)=1662/4-1/4=1/4400-375+79=104958+50-128=88071+95=166464-127-308=29240×2+431=911415+550-178=787360+(472-361)=471609-539+690=760718+564=1282285×3+683=1538657-38+55=674461+86×4=805230+56-76=21037×4=148807×5=4035155+203+155=513194×4-391=385381-160×2=61778-(206+270)=302712-572=140106+144+103=353936+657=159347-(247-203)=3566-(781-274)=59638+(408-50)=996117×(271-267)=468495-(155+116)=224421-363+185=243805+966=177120×4=80979-(410+401)=168748×2=1496436-379+119=176205-192+380=393770-75×9=95570-(383+77)=11062×2-30=94153+141=294681-(392-390)=679632-426-31=1754/6-1/6=3/6833-362+991=1462273-204=69121+(665-481)=305236-123=113111×2+433=655438+668-873=233834×3-62=2440475-296-168=11283+339+952=1574210-187=23177+282+215=674545+537-42=1040916+400+723=2039465-(959-800)=306435+135+406=976638-78×2=482300-135-13=152474-(145+76)=253726-121×2=484493-482+297=308926-(758-299)=467201×(939-935)=804974-264×3=182840-134-353=353929-161-337=431252-(92+106)=54364+936+382=1682840-455=385804+41+143=988419+74×4=715129+180=309307×(284-280)=1228107-39+159=227226+338=564931-100×8=131435-21×4=351259+(668-301)=626493-233=26065×(394-389)=32569×7+712=1195801×8-880=5528840-452-382=661+641+369=1071107-41×2=25187×(479-476)=561972-(782+115)=75984-598-85=301501×5-240=2265205-23×5=90783-(149-43)=677445-(215-158)=388857-355+169=671479+796=1275366+351=717586+519+173=1278153-107=46228+(914-377)=76599×4+352=748284+(841-617)=508179×(223-218)=895318-(130-113)=301223×6=1338214+131+193=538221×2=442490-(155-111)=446234×(407-403)=936423-217+248=454301-148×2=5999+595+903=2497354×2-565=143969×9=8721811-254-40=517238+429+263=930733+922=16556/9+2/9=8/9944-360-324=260757-(613+105)=39529+16×5=609202+724=926407-(270-267)=404205+179×3=742690-40×8=370953×(854-848)=5718132×7+815=173969×4=276555+(788-377)=966434+977-624=787247+55×3=412419-113=306258+664+620=1542135-35×3=30319-136=183959-621-43=295224-(341-229)=112356-111×2=134462-80+75=457359+(376-86)=649511-(520-322)=31349+(950-856)=143910+474-97=1287949+(684-409)=1224855×2-696=1014602+(751-300)=1053784-204=58084×(97-91)=504255×3-217=548300-22-161=11720+812-579=253295-185=110671+564=1235894+(979-552)=1321160+152×4=768526-515=11300+106-278=128497-(144+149)=204875-135-231=50958×5+499=789853-750+873=976973-284=689176×3+895=1423556-328-15=213120+547+176=843328×(591-584)=2296258×3+596=1370717×7-307=4712340×2=680347-31×7=130420×(626-621)=2100383-160-169=54295+(303-44)=554467×5=2335810-(221+496)=93268+444+781=1493429+(380-47)=762266×2-16=516301-(26+46)=229833-249×3=86538+994+182=1714322-41×3=199433+204×2=84193+49+708=850929-527+199=601284×2=56847+157-184=20362-20×2=322217-77-44=96411-121+171=461431-369+858=920178×5-129=761123×2=246901-259-575=67865-229-77=559790×(79-70)=7110