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481-41×8=433-77-302=331+394-170=196×(180-176)=724+163+52=449-231+246=644+447-454=463+(649-66)=627×2=477-224+176=474+357-382=255-(87+112)=711-(849-466)=151×4+704=470-(461-304)=48+55×3=437-126=283×3=100+526+350=897+690=489-14=298-140+333=83+97=82+186=196+225-222=393-12×9=753+(506-398)=507×9-966=411-(219-216)=322-120+248=963-31×6=977-(514+219)=88-(198-193)=263×(680-675)=153×(303-298)=12×7-73=589+112=646-(391-51)=813-(167+573)=493-252-102=993×(285-280)=640-327=815×(210-201)=304-281=583+787+48=833-(899-699)=84×9-639=25×3=550-126=258×(861-853)=114×5=890-70×2=476-(157+264)=100×9+49=87×4+237=516×4=215+174-280=682-363-41=820×7=612-432+306=166×(38-33)=33+602-387=962+(851-492)=776×9-480=466-82-283=208-36×2=15×6=449×5-119=692-416=400×4-597=641×7-674=66×7=291-114×2=53+376-147=848-350-192=107×6=251-30+183=52×8=496-160×3=982-510=5/8-1/8=691-16-154=63+865+368=1/5+3/5=199×(418-415)=255-(127+124)=118×5+61=981-(317+74)=398+181+150=452+590+782=396-(25+154)=926-(16+442)=674+825+580=28×(57-52)=401-208=190+(428-427)=288×(277-274)=73+410=366+921=168-32+166=81+233+128=206×2+70=3/8-2/8=496+164=521×9=28+209+978=773-(912-587)=339×2-78=317-257=854-(818-76)=405+142+50=349-146=400+57×3=144×2=253-(415-212)=189+39×8=138×4-392=66×8+44=300-82+223=772-65×6=533×7-135=30×7+938=159×(169-165)=238-12×6=919-98×3=237+945+449=123×8=310×7=272-260+76=421-(92+84)=181-63+364=313-28×7=222+139-246=696-425=220+462-280=593+(930-788)=425-(372-269)=130+32=219-102+146=699-(113+342)=88-24×2=713-(368+272)=67×2+147=305-127+133=812-(41+554)=501×2-231=126+341-85=91×7-416=305+179=263+661+324=401-(303+45)=42+(910-46)=968+(859-403)=430×9-282=44×(471-465)=961-126×3=308+305=50+197=913-242-119=382-197+10=796-523=602+733+918=405-62×5=255+122=136+(239-69)=234-38-103=581-43×2=825-246×2=193+356+240=943+808+312=570+726-503=302×(777-774)=810-(540-23)=367×5-16=460-(211-127)=257-(97+64)=250-24×7=338+139=834-760+912=260-118=1/7+4/7=602-28=152×5-82=721-120+345=123+286×3=222×(439-436)=596×(478-471)=125+261=507+(241-177)=11×(479-470)=335-42-196=181-(248-136)=494-481=244-(69+115)=82×(282-275)=949-37-727=960-132+201=2/4-1/4=352-172=776+398-631=191×3+808=159-24+349=286+852-764=643+103+180=875-(275+278)=620+762-825=798×5-266=126×4+316=4/9-3/9=273+524=649+114×6=119×5-573=126+134×2=423+69+407=199+515+266=132-11+411=187-159+120=567-89=230+475+133=420-64×6=77+383-167=148+280=206+145=111+107+270=472-80-253=195+219-250=557-265=978×9=123-46+55=73×6=290+(395-66)=503×2-26=72+268=82+113-31=31×6=326-259+314=471×9=536-(775-504)=933-(31+821)=626-350=708+696-867=234-23×8=329+542+415=171-(268-152)=110×(238-233)=979-445+13=287-113=247-109×2=440-108×3=531×8=519×3-699=476×(384-380)=248+(138-34)=308-28×8=477-405-51=730-252×2=649-(50+195)=967-(309+597)=720-173×4=559+159+11=346-291-27=33-(54-51)=107+212=17+33=292-(118-72)=844-143-550=556×7-276=1/4+2/4=870×5-193=20×(417-411)=299+267×2=106×5+396=185-(375-363)=71-14=432+(799-156)=940×(62-58)=468-53×3=413-14=349+709+105=491-62-68=404-(446-47)=375+(417-400)=406-219+652=373-(22+255)=11-(522-520)=122×4-97=65×6+51=792-(619+66)=102-58=308+43×3=500-77-69=469-55-44=446-199×2=406×9-467=60×7-89=228-31+103=114-68+195=187-(374-259)=484+155-19=714-(50+509)=893+(485-163)=140+353+205=84×2=259-31=793-80×4=644-288-231=309+147=217+527-573=10×(486-481)=102+237-162=374-(291-119)=937-635-129=405+(213-47)=642×7=644-51-487=750-(54+208)=983+462=766+49×8=279-160=609-248-189=863-295+37=2/7+4/7=68+50×3=778+(717-344)=325+(489-272)=367×7-224=245-(272-72)=685+869-491=143+103=415-328=78×7=460+(426-34)=779-57=363-341=237+326-156=155-(275-220)=212-(293-177)=734-329-336=183-(284-127)=275-223=16×2=203+(564-225)=15+28+908=111×4-283=297+776+929=470×2-261=43×(392-388)=905-(143+244)=294-34×3=73×9-316=57×(249-241)=709-656-17=209-(227-159)=411-46×6=305+(442-322)=101×(273-269)=223×2-372=175+82=179+196×3=817-313-385=814-192-371=128×(293-290)=942-(509+367)=95+38-27=31×(393-389)=834-733+10=345-(125+157)=990-537-443=539-193+180=522×(454-450)=259×3+40=863-(316+277)=432-(137+265)=464-395+416=113×(107-103)=319×(493-490)=231+263=481-(288+162)=98+(246-203)=319×2=179+663+552=649+580=778-50=444+51+187=286-79×2=39×(306-302)=188-84+696=510×2=284+365+164=142×5=31×(338-332)=472-86+164=138+664=436-199+244=756-120×4=48+(56-33)=579×7=395-(320+56)=283-108=137×(973-967)=945-34-904=763×(609-600)=34×7=287+83=230×(137-132)=121-12+246=473-(14+307)=399-(354-89)=475-390=244×3-345=57+36-31=422×5=82×6+28=467+47×7=5/7-1/7=106-12-13=148-68=215×(380-377)=443-47-152=189-(89+34)=684-(465+152)=74+(631-105)=140-26×2=168+(988-927)=234+244=1/6+4/6=533×2-158=444-190-193=297-34=208×4-415=472-269=165-18-116=184+150-309=271-(57-48)=83×9=266-64+35=484-94×3=50×5+126=641-332=204+(494-493)=852+558=138+(328-71)=133×(127-120)=217-11×2=173+199=300-179+379=199+412=630-389=138×7=140×2-191=313-196=337-63=920+190+296=403-119=537+511-651=930-39-377=330+(421-207)=275-153+163=278-(155+45)=76+22×3=121+132=867-73×8=882-659-167=349+202×3=1/7+2/7=407-184-123=144+(289-143)=383+582+980=603×9=179×7=496-(110+371)=738+(932-413)=159×(343-339)=380+113-429=925-11=116-99+316=337+(999-449)=750×9-959=581×4=216+96=134+224=421-53×3=293+134×5=950-17×7=755+416-222=694×2-292=938-(354-253)=619-339+380=252+(324-239)=762-225+441=241×2=620-66+531=215+40×8=434-282=432-255-123=164×5-238=273+303=15+67=213+274-388=164-36×2=296+515-101=550-(989-965)=486-101+82=859-627=446×2-308=215+386+390=901-819+381=754-471=365+46-92=164-142+383=455+91-233=36+128+475=417+81-386=8/10+2/10=187+32-27=304-219=4/9+2/9=845×(376-372)=228×(77-73)=269×6-848=209×4=50+343-389=744-116-17=451-358+320=787-(324-118)=360-72-272=567-(415-58)=151×8-258=60+(326-283)=450+48-339=392-(57+36)=672-111×4=207+127-184=318+547=554×7-527=35×6+509=398-151-74=170+185-291=201+35×2=436×4=255+84-220=184+(568-300)=228-104-101=256-23×7=458+998=287×3+770=727×7=513×(141-134)=20×(408-401)=542-232×2=453-(184+47)=370-(113+159)=115×3=895-673-158=902+14+613=5/8-2/8=335-(243+31)=313+192+199=432-(473-405)=348-73×4=3/8+2/8=66+259-16=353-35-11=426-(99+61)=24×8=214×3=12+(124-96)=44×6=76×4=77+35=879-203×2=488-(275-161)=493-(73+284)=31×2+289=4/7-2/7=234-(327-307)=373×(902-893)=184+649+270=578×9=914-145×5=437+(135-95)=56×(189-180)=410-12-251=159×6-731=469-164=597-(212+99)=455-(279+55)=156+323-472=143×(63-57)=165-122+215=529+(762-622)=489-(61+407)=489+107=184×5-540=648-524=706+965-475=872×(575-568)=95+460=351-105=622+483+880=965-104-187=466-58=353-(628-423)=766×5=446-(285+128)=441-(199-72)=250-(328-317)=248+(371-354)=277-75×3=117×(172-165)=230+144=405-(218-150)=791+115+317=25×8+327=209×2=27+515+28=4/7-1/7=163-(261-224)=314×2-189=194×3-54=500+28×5=411-400+99=910-(953-935)=677+490-267=118+41×7=537-86-323=533-313=476-42×7=651×(423-420)=821-(403+361)=938+920+68=753-327+751=81+(678-519)=328-69-98=447+(936-106)=76+787+270=128+(297-137)=69×9-333=447-32=287-(267-203)=137+207=430×8-914=178×2=429+307+135=965-312+455=347×2=314+(384-54)=269+735+988=691+137+104=791×4=555-(541-129)=681+472=583-106×4=66+319=429+275=34+106+588=253+324=254+(215-153)=4/6+2/6=879×(418-409)=83×6+977=676+415-872=207-(952-795)=499-(129+257)=200×6-671=152+121=255×(235-230)=432+(478-74)=371-24×3=117+496+59=332+54-339=889+436+425=612-445+365=690-302-20=546×6-21=81-27=51+198=439×(264-255)=449×8-88=311×8-872=415+895-748=370+(867-369)=682-(174+439)=125×9-724=323+736=218×4-825=989+766=723-(470-374)=391+238-229=481-440=467-215-126=874-458+827=448-(458-205)=431-145×2=484×2-159=694+(323-214)=515+(969-270)=631-(850-284)=401+24×7=263+(494-402)=880+98×7=352+127=297+311+199=32×9=488-64=456-87×4=391+274+58=468+945=798-323=1/5+4/5=122+(675-529)=843+118+436=511-258+294=362-24-205=908-(95+90)=994-731=235-(182-23)=859-373-433=607×(422-415)=808-(475-49)=195×3=798-50-285=943-(163+648)=395+89-282=210+(635-274)=216-37-83=162-111=131×3+770=944+587+612=744+463-342=933+(400-110)=320-146-77=289×3=217-(106-87)=180-18×8=26+164+460=37+349-41=756-613-106=1/3+2/3=901-445+908=397×7=312×(36-29)=46×5+41=998-(560+266)=767-(345+29)=883-738+769=483-(102+339)=771-292+632=685-124×4=440×2+582=41×(440-433)=306-143-159=583+721+731=20+(186-31)=552-(867-865)=271-186+26=598+629-906=85×8-158=388+300×3=946-132×2=266-(184+34)=632-(254-13)=293×3-625=376+159×5=358×5-279=72+47×7=224+153+328=413×(194-187)=23×6=530-83-406=991+704-512=500-263=486-31-272=784×(586-580)=99+121-46=10+225×4=284-14×4=365+73×4=921-(268-210)=449-224+264=4/8-1/8=50+126×7=440×8=97×8-364=319+240-67=3/5-1/5=843-(554-134)=462+161=163+337-296=94+802-317=10×8+171=142×7-707=363-309+403=432×(317-309)=3/10-2/10=402-(214+177)=276×2-484=93×(717-710)=358×2-479=966+(498-112)=67×9+41=4/8-3/8=751+408+807=754-(73+522)=140-15×6=273+99+38=110+139×5=323-30×9=227×4+212=469+553+399=959×6=529×(869-863)=450-91×3=497+18×4=662-100+313=35×7+389=544-91=882-129+477=40+508+72=32×6=917×8=285-(427-317)=488-(72+324)=924-176-659=358-(466-236)=241+(439-236)=64+133×5=518-363-110=513-(315+27)=309+(453-49)=147+44=990-74×2=92×2+140=162+(428-192)=245×4+331=90+(123-26)=202+92=122+491-345=422+(359-162)=191+(454-386)=361-224-65=475-374+30=106×6=710-(794-361)=390-152×2=763×(557-551)=275-131×2=273-(369-204)=413+93=85×2+120=691+732=50+(706-595)=538+73+274=903×7=494-(21+140)=381-161=910-(974-178)=422+(244-152)=202+122=536-(64+145)=41+445-389=592+836+59=389+479-782=242-103-74=参考答案481-41×8=153433-77-302=54331+394-170=555196×(180-176)=784724+163+52=939449-231+246=464644+447-454=637463+(649-66)=1046627×2=1254477-224+176=429474+357-382=449255-(87+112)=56711-(849-466)=328151×4+704=1308470-(461-304)=31348+55×3=213437-126=311283×3=849100+526+350=976897+690=1587489-14=475298-140+333=49183+97=18082+186=268196+225-222=199393-12×9=285753+(506-398)=861507×9-966=3597411-(219-216)=408322-120+248=450963-31×6=777977-(514+219)=24488-(198-193)=83263×(680-675)=1315153×(303-298)=76512×7-73=11589+112=701646-(391-51)=306813-(167+573)=73493-252-102=139993×(285-280)=4965640-327=313815×(210-201)=7335304-281=23583+787+48=1418833-(899-699)=63384×9-639=11725×3=75550-126=424258×(861-853)=2064114×5=570890-70×2=750476-(157+264)=55100×9+49=94987×4+237=585516×4=2064215+174-280=109682-363-41=278820×7=5740612-432+306=486166×(38-33)=83033+602-387=248962+(851-492)=1321776×9-480=6504466-82-283=101208-36×2=13615×6=90449×5-119=2126692-416=276400×4-597=1003641×7-674=381366×7=462291-114×2=6353+376-147=282848-350-192=306107×6=642251-30+183=40452×8=416496-160×3=16982-510=4725/8-1/8=4/8691-16-154=52163+865+368=12961/5+3/5=4/5199×(418-415)=597255-(127+124)=4118×5+61=651981-(317+74)=590398+181+150=729452+590+782=1824396-(25+154)=217926-(16+442)=468674+825+580=207928×(57-52)=140401-208=193190+(428-427)=191288×(277-274)=86473+410=483366+921=1287168-32+166=30281+233+128=442206×2+70=4823/8-2/8=1/8496+164=660521×9=468928+209+978=1215773-(912-587)=448339×2-78=600317-257=60854-(818-76)=112405+142+50=597349-146=203400+57×3=571144×2=288253-(415-212)=50189+39×8=501138×4-392=16066×8+44=572300-82+223=441772-65×6=382533×7-135=359630×7+938=1148159×(169-165)=636238-12×6=166919-98×3=625237+945+449=1631123×8=984310×7=2170272-260+76=88421-(92+84)=245181-63+364=482313-28×7=117222+139-246=115696-425=271220+462-280=402593+(930-788)=735425-(372-269)=322130+32=162219-102+146=263699-(113+342)=24488-24×2=40713-(368+272)=7367×2+147=281305-127+133=311812-(41+554)=217501×2-231=771126+341-85=38291×7-416=221305+179=484263+661+324=1248401-(303+45)=5342+(910-46)=906968+(859-403)=1424430×9-282=358844×(471-465)=264961-126×3=583308+305=61350+197=247913-242-119=552382-197+10=195796-523=273602+733+918=2253405-62×5=95255+122=377136+(239-69)=306234-38-103=93581-43×2=495825-246×2=333193+356+240=789943+808+312=2063570+726-503=793302×(777-774)=906810-(540-23)=293367×5-16=1819460-(211-127)=376257-(97+64)=96250-24×7=82338+139=477834-760+912=986260-118=1421/7+4/7=5/7602-28=574152×5-82=678721-120+345=946123+286×3=981222×(439-436)=666596×(478-471)=4172125+261=386507+(241-177)=57111×(479-470)=99335-42-196=97181-(248-136)=69494-481=13244-(69+115)=6082×(282-275)=574949-37-727=185960-132+201=10292/4-1/4=1/4352-172=180776+398-631=543191×3+808=1381159-24+349=484286+852-764=374643+103+180=926875-(275+278)=322620+762-825=557798×5-266=3724126×4+316=8204/9-3/9=1/9273+524=797649+114×6=1333119×5-573=22126+134×2=394423+69+407=899199+515+266=980132-11+411=532187-159+120=148567-89=478230+475+133=838420-64×6=3677+383-167=293148+280=428206+145=351111+107+270=488472-80-253=139195+219-250=164557-265=292978×9=8802123-46+55=13273×6=438290+(395-66)=619503×2-26=98072+268=34082+113-31=16431×6=186326-259+314=381471×9=4239536-(775-504)=265933-(31+821)=81626-350=276708+696-867=537234-23×8=50329+542+415=1286171-(268-152)=55110×(238-233)=550979-445+13=547287-113=174247-109×2=29440-108×3=116531×8=4248519×3-699=858476×(384-380)=1904248+(138-34)=352308-28×8=84477-405-51=21730-252×2=226649-(50+195)=404967-(309+597)=61720-173×4=28559+159+11=729346-291-27=2833-(54-51)=30107+212=31917+33=50292-(118-72)=246844-143-550=151556×7-276=36161/4+2/4=3/4870×5-193=415720×(417-411)=120299+267×2=833106×5+396=926185-(375-363)=17371-14=57432+(799-156)=1075940×(62-58)=3760468-53×3=309413-14=399349+709+105=1163491-62-68=361404-(446-47)=5375+(417-400)=392406-219+652=839373-(22+255)=9611-(522-520)=9122×4-97=39165×6+51=441792-(619+66)=107102-58=44308+43×3=437500-77-69=354469-55-44=370446-199×2=48406×9-467=318760×7-89=331228-31+103=300114-68+195=241187-(374-259)=72484+155-19=620714-(50+509)=155893+(485-163)=1215140+353+205=69884×2=168259-31=228793-80×4=473644-288-231=125309+147=456217+527-573=17110×(486-481)=50102+237-162=177374-(291-119)=202937-635-129=173405+(213-47)=571642×7=4494644-51-487=106750-(54+208)=488983+462=1445766+49×8=1158279-160=119609-248-189=172863-295+37=6052/7+4/7=6/768+50×3=218778+(717-344)=1151325+(489-272)=542367×7-224=2345245-(272-72)=45685+869-491=1063143+103=246415-328=8778×7=546460+(426-34)=852779-57=722363-341=22237+326-156=407155-(275-220)=100212-(293-177)=96734-329-336=69183-(284-127)=26275-223=5216×2=32203+(564-225)=54215+28+908=951111×4-283=161297+776+929=2002470×2-261=67943×(392-388)=172905-(143+244)=518294-34×3=19273×9-316=34157×(249-241)=456709-656-17=36209-(227-159)=141411-46×6=135305+(442-322)=425101×(273-269)=404223×2-372=74175+82=257179+196×3=767817-313-385=119814-192-371=251128×(293-290)=384942-(509+367)=6695+38-27=10631×(393-389)=124834-733+10=111345-(125+157)=63990-537-443=10539-193+180=526522×(454-450)=2088259×3+40=817863-(316+277)=270432-(137+265)=30464-395+416=485113×(107-103)=452319×(493-490)=957231+263=494481-(288+162)=3198+(246-203)=141319×2=638179+663+552=1394649+580=1229778-50=728444+51+187=682286-79×2=12839×(306-302)=156188-84+696=800510×2=1020284+365+164=813142×5=71031×(338-332)=186472-86+164=550138+664=802436-199+244=481756-120×4=27648+(56-33)=71579×7=4053395-(320+56)=19283-108=175137×(973-967)=822945-34-904=7763×(609-600)=686734×7=238287+83=370230×(137-132)=1150121-12+246=355473-(14+307)=152399-(354-89)=134475-390=85244×3-345=38757+36-31=62422×5=211082×6+28=520467+47×7=7965/7-1/7=4/7106-12-13=81148-68=80215×(380-377)=645443-47-152=244189-(89+34)=66684-(465+152)=6774+(631-105)=600140-26×2=88168+(988-927)=229234+244=4781/6+4/6=5/6533×2-158=908444-190-193=61297-34=263208×4-415=417472-269=203165-18-116=31184+150-309=25271-(57-48)=26283×9=747266-64+35=237484-94×3=20250×5+126=376641-332=309204+(494-493)=205852+558=1410138+(328-71)=395133×(127-120)=931217-11×2=195173+199=372300-179+379=500199+412=611630-389=241138×7=966140×2-191=89313-196=117337-63=274920+190+296=1406403-119=284537+511-651=397930-39-377=514330+(421-207)=544275-153+163=285278-(155+45)=7876+22×3=142121+132=253867-73×8=283882-659-167=56349+202×3=9551/7+2/7=3/7407-184-123=100144+(289-143)=290383+582+980=1945603×9=5427179×7=1253496-(110+371)=15738+(932-413)=1257159×(343-339)=636380+113-429=64925-11=914116-99+316=333337+(999-449)=887750×9-959=5791581×4=2324216+96=312134+224=358421-53×3=262293+134×5=963950-17×7=831755+416-222=949694×2-292=1096938-(354-253)=837619-339+380=660252+(324-239)=337762-225+441=978241×2=482620-66+531=1085215+40×8=535434-282=152432-255-123=54164×5-238=582273+303=57615+67=82213+274-388=99164-36×2=92296+515-101=710550-(989-965)=526486-101+82=467859-627=232446×2-308=584215+386+390=991901-819+381=463754-471=283365+46-92=319164-142+383=405455+91-233=31336+128+475=639417+81-386=1128/10+2/10=1187+32-27=192304-219=854/9+2/9=6/9845×(376-372)=3380228×(77-73)=912269×6-848=766209×4=83650+343-389=4744-116-17=611451-358+320=413787-(324-118)=581360-72-272=16567-(415-58)=210151×8-258=95060+(326-283)=103450+48-339=159392-(57+36)=299672-111×4=228207+127-184=150318+547=865554×7-527=335135×6+509=719398-151-74=173170+185-291=64201+35×2=271436×4=1744255+84-220=119184+(568-300)=452228-104-101=23256-23×7=95458+998=1456287×3+770=1631727×7=5089513×(141-134)=359120×(408-401)=140542-232×2=78453-(184+47)=222370-(113+159)=98115×3=345895-673-158=64902+14+613=15295/8-2/8=3/8335-(243+31)=61313+192+199=704432-(473-405)=364348-73×4=563/8+2/8=5/866+259-16=309353-35-11=307426-(99+61)=26624×8=192214×3=64212+(124-96)=4044×6=26476×4=30477+35=112879-203×2=473488-(275-161)=374493-(73+284)=13631×2+289=3514/7-2/7=2/7234-(327-307)=214373×(902-893)=3357184+649+270=1103578×9=5202914-145×5=189437+(135-95)=47756×(189-180)=504410-12-251=147159×6-731=223469-164=305597-(212+99)=286455-(279+55)=121156+323-472=7143×(63-57)=858165-122+215=258529+(762-622)=669489-(61+407)=21489+107=596184×5-540=380648-524=124706+965-475=1196872×(575-568)=610495+460=555351-105=246622+483+880=1985965-104-187=674466-58=408353-(628-423)=148766×5=3830446-(285+128)=33441-(199-72)=314250-(328-317)=239248+(371-354)=265277-75×3=52117×(172-165)=819230+144=374405-(218-150)=337791+115+317=122325×8+327=527209×2=41827+515+28=5704/7-1/7=3/7163-(261-224)=126314×2-189=439194×3-54=528500+28×5=640411-400+99=110910-(953-935)=892677+490-267=900118+41×7=405537-86-323=128533-313=220476-42×7=182651×(423-420)=1953821-(403+361)=57938+920+68=1926753-327+751=117781+(678-519)=240328-69-98=161447+(936-106)=127776+787+270=1133128+(297-137)=28869×9-333=288447-32=415287-(267-203)=223137+207=344430×8-914=2526178×2=356429+307+135=871965-312+455=1108347×2=694314+(384-54)=644269+735+988=1992691+137+104=932791×4=3164555-(541-129)=143681+472=1153583-106×4=15966+319=385429+275=70434+106+588=728253+324=577254+(215-153)=3164/6+2/6=1879×(418-409)=791183×6+977=1475676+415-872=219207-(952-795)=50499-(129+257)=113200×6-671=529152+121=273255×(235-230)=1275432+(478-74)=836371-24×3=299117+496+59=672332+54-339=47889+436+425=1750612-445+365=532690-302-20=368546×6-21=325581-27=5451+198=249439×(264-255)=3951449×8-88=3504311×8-872=1616415+895-748=562370+(867-369)=868682-(174+439)=69125×9-724=401323+736=1059218×4-825=47989+766=1755723-(470-374)=627391+238-229=400481-440=41467-215-126=126874-458+827=1243448-(458-205)=195431-145×2=141484×2-159=809694+(323-214)=803515+(969-270)=1214631-(850-284)=65401+24×7=569263+(494-402)=355880+98×7=1566352+127=479297+311+199=80732×9=288488-64=424456-87×4=108391+274+58=723468+945=1413798-323=4751/5+4/5=1122+(675-529)=268843+118+436=1397511-258+294=5