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614-95×5=177-75×2=398-120+976=4/7+2/7=60+323=590×8-98=949-222-22=19+638+85=641-136-465=246+92=885×(185-179)=134+43=29×(992-989)=292-(424-388)=824×(142-137)=454+69+118=314×3=351-(326-286)=99+328=604-422+13=822-(239+120)=153+112+523=849×6-372=139-72+355=130×3=903-(137+649)=446×2-465=930×9=71+368=131+358-310=912-493=765+122-715=947×(104-95)=152×5=497+(233-224)=293-11×4=537-94×2=469-149×2=192+378+669=275-135-133=188-(600-573)=652+312-384=645-155=446+115×2=411-32×8=978+878+630=321-(441-166)=516-(830-731)=843-(639-128)=735+258=558-164=549-417+117=733-280=415×3-696=563+451×2=1/5+3/5=374+978-161=364-(454-441)=750-185+563=864×3-738=781-128-490=315+133-156=664+83+47=247-19-111=3/4-1/4=61+82=354-35+53=3/7+2/7=190-178=336-(344-181)=54+113=187×5=854-316=506-87+487=368+959-192=953-(483+103)=281+(428-368)=978-395-493=641-(50+186)=893-402-479=995-(460-21)=464-(143+180)=123×(215-208)=913+185=884-197+699=144+71=769-532+363=272+402+126=157×3=762-214-114=311+166=24×(901-898)=443+(311-208)=978+48-124=768-(291+457)=434-55×3=73×(135-128)=56+259=357+684-245=3/5-2/5=418×8-478=851-484=111×4-304=494×3-623=604+(656-503)=60×8+321=871-231×2=82+188-260=142+265+167=174-152+170=840-642=180+234-183=752+57×5=887+622+597=289+22+641=87×3+425=643+98×5=917-126=14×(437-431)=549-515+808=162+(153-13)=435+51×8=209×2+253=195×(460-456)=83+315+390=287×(326-323)=899+(383-334)=11+321-62=126×5-399=106×(210-206)=348-124×2=194+548=374×5-856=327-105×3=152×6-383=590-448=707-141-525=318+409=626×(960-952)=909-222×2=958-(61+897)=148×3=886-(163+289)=317-37×2=723-668+642=215-81+84=384-(148+107)=362-(112+17)=903+(894-653)=241-36+70=61+76=222-(238-212)=573-(45+167)=187×3+117=921+(726-163)=205+80=318×(59-56)=33+118+291=386-100-175=224-13×3=172-91=813×9=162×2+212=346-(144+36)=459-394=943-202×2=30×4+463=166×9=144+405+217=897-602+29=488-269-204=137×3=382+165+572=149+201×4=357-136=144+55×9=564+238+20=316×3-387=798-25-49=333-251+240=990-470=625-142+996=70+271+544=72×7-251=245+(585-349)=437-(237-119)=295×3-157=928-(813-793)=803×(443-436)=24×6=163×(186-182)=470+(828-712)=215-17-50=886-376=266-(67+29)=819+403=866-511-123=69×6=168+56×4=11×8-27=555-225+679=237-141=252-(411-165)=104+106×2=364+(396-325)=901-40-351=749+567+859=256-(251-101)=562-51-484=52×3=572-(247+230)=446+60×5=940+(506-482)=111×(212-207)=939-253=19+739+13=137-(15+102)=83×8+41=732-348+428=802-189=377+(756-59)=530×7-837=82×6+429=707-654=410+(319-239)=934-(740-368)=404-(64+233)=424-233-51=987+511+643=296×3+834=261+114=788-(428+33)=233×3+73=191×3+364=439-145-199=54+25=985-62-138=740+(927-435)=91×6=37+264+673=184-132=435-394+259=937-(31+551)=412-(76-71)=439+(340-295)=422-145+82=262-185+27=979-538-211=310-248=28+(412-37)=449-(333+91)=61×3+990=180-114=286-239+113=495-267-21=3/8-1/8=351-106=772-(987-645)=486-84-173=650+755-308=839-140+993=972+310+83=894-(224-222)=711+196-760=69×3+83=973-466-121=364-(51+288)=60+272+461=194+26×8=338-194=478+(475-301)=438-221=265-(332-324)=733+80+144=451×(159-150)=979-(230+433)=119+352=747-(568-327)=167+134+511=90×(29-21)=146-(314-219)=119+287-233=110+192=522×3=712-(297-253)=24×(75-72)=100×(206-199)=815-(358+341)=41+324-46=112×4-186=750×8=434-20=382-163=235×4=492-268-184=239+280-489=956+681-424=123+294=119+123=155+229+13=105+78=685-210-372=928+945+224=936+(967-499)=289-46=314+77+76=794+950=410-(146+40)=899-223-264=338-(38+211)=482-434+149=426-(23+127)=297-14×9=870-77-198=35×7=194-11×6=667+(939-860)=290×8=342-123-39=106+(449-172)=174-107=191+624=247+687=733-122-336=192×3=140×(119-114)=845-545+174=75×8+230=943-(348+218)=479×6=154-(400-356)=492-(16+95)=931-134×4=147-26+76=444-261=390-79×3=87×2+604=259+88-191=280-82-73=734-93×6=643-(707-648)=707×6=254+19×3=384-(392-335)=204×2=303+(788-782)=326+39-106=185-13×2=143-21+863=330×3=307+24×7=573-145+811=869-(946-849)=558×5-251=91+218×4=1/7+4/7=939-66=197+266=105×(328-322)=882+889+605=375+173=455×2-526=17×6=490-274=58×9=153×(35-30)=136×3+179=597+170-362=198+43=591-334+420=241×(516-509)=395-305+269=852×2-835=944-859+741=142+278=358+19-191=305×2+96=153+(220-142)=813-315=983-(950-325)=815+683-325=708-91-351=512+483×2=758+(522-367)=356-13×6=326-(419-390)=234-30×2=393-(167+108)=470×5-911=303-(219+58)=161×(926-922)=91×4+961=835-14-568=337+70+779=313+292=418+(456-267)=208-(292-84)=391×3=305+(296-178)=958-21×8=414+689-20=94×(428-422)=715×3=660-193=432+428-839=37+(428-202)=175+286=827-154×3=432×8-134=261-247+269=508+400×2=262+360=477-309-148=318+34+99=472+648-643=406-67-338=4/8-3/8=372-(22+278)=162+(365-259)=5/9+2/9=541+832-941=108+340-19=375-233=491-287=936+702+246=238-39×3=347-(287-207)=115+578+948=314-216+216=281-71×3=36+550+140=310-(55+164)=633-56+409=460-(473-298)=246-64-78=2/10+7/10=466+(327-141)=140×7-420=207×(305-302)=168-158+251=258-(124-11)=351-66-125=103×6+308=3/6-1/6=689×(939-930)=371×(314-306)=86+902-234=135-(165-153)=250×3-630=3/8+4/8=936+149-141=250+(606-374)=855×2-793=245-(360-259)=813-(45+411)=96+(371-11)=338-113×2=85×5-24=402×9=497×5-369=314+665+16=289+204+457=719+68+359=76+238=431-18×7=182×(456-451)=510×(639-631)=222×3-144=570×(240-235)=122+290-186=780-446-79=50+237-160=443-(416-398)=800-297-493=587×3-675=91×3=66×(578-570)=368-(370-310)=708+450=319-27×6=898-417=499-280-67=713-176×3=642-486-124=736-583+78=928+270-17=797-(209+49)=220-104×2=485-95×2=994-(41+154)=15+(247-15)=6/8-2/8=268+172-328=108×(192-186)=128×6-568=115×2+437=668-148×2=188×3=396-326+367=406-10×3=104+235=29×4+671=912+262-253=852+747+175=280-16+146=396+71-68=81×2+145=246-189+24=348-47=549-109×5=8/10-1/10=43×7-97=356-13=480-288-64=176-(243-166)=499+260=511×6-880=450-214×2=387-223-12=325-(55+190)=482-(198-160)=771×(64-60)=281+180-134=6/8-1/8=411-149-151=466-308+125=486-386=116-23×4=96×9+425=771+(475-75)=218+(369-135)=390-(29+116)=249-55×2=397×(575-567)=24+281+643=487+154+359=641×7-979=236-66-56=482-439=24×7=414-(182+135)=306+(375-26)=971+135×6=492-217=3/7-2/7=446-(66+192)=104+213=672-(141+371)=303+(687-409)=614×(918-909)=274-67=715+(637-595)=799-(625-475)=4/8+2/8=619+962-124=193+271-81=77×(161-155)=818-95×4=4/9-1/9=484-42=623×(929-925)=512+(683-368)=298×7=849×2=593+(620-391)=157×9-566=382+124+407=557+157×2=117×(422-418)=181+210-302=167+142=152+161×3=358-264+343=26+(129-62)=498-(136+137)=389+(288-55)=589×(325-318)=953-(30+604)=438-105=74+205=832-(504+171)=460+28×3=117×(427-419)=25+278-281=92×4=377-(489-186)=420+369+841=360-(19+179)=90×8=269×2-351=719+393=176×4-90=889+795+426=48+(957-920)=361+125-13=106×(364-355)=861×(880-877)=176-20=114×4-308=367-(426-159)=263-86=439-364=947-230×4=324-153-24=408-(337-282)=344+(666-171)=303-(200+56)=451+22+447=142×6=84×8+987=74×3=48+(493-236)=880×(608-600)=312-251-33=562×5=138+59+692=668×2-10=871-342=437-65×6=95×(136-133)=625×2-905=472-116+98=203-69+102=175×(357-354)=214-(395-376)=247+(397-61)=750-73×4=921-(191+539)=75×8=452-(114+135)=49+56×3=791×(950-947)=977-173-201=261-118+28=131×3+989=287+176=241-(28+179)=199×2-220=871-117-47=514+519+119=85×(954-951)=446×(461-452)=827-(670-26)=92×(121-113)=369-(204+161)=127+491+676=191+58=63+597+166=833-200×4=222×9=113+355+188=144+(965-650)=715×(508-502)=702-(603+17)=3/6-2/6=43-(192-152)=652×(698-692)=289×3-130=427×2=452-215=268+61=410+213+376=466-84-130=399+(373-153)=722+(763-455)=236×(437-433)=408+358+14=462-39+58=54×(82-79)=159+536=905×3=659×(87-80)=407+126×3=268+217=329+(293-234)=468-456+123=445-(58+201)=179×(112-108)=500-332+245=233+(363-354)=427-166-11=144+161+132=5/8+2/8=391×2-555=253+772-457=206-77×2=833-509+501=54+704-476=471-36×2=2/8+4/8=70+926-817=116×5=567-162-80=459-93-349=86×4=789-94+144=82+628+509=56+326=509-235+714=439-60×5=867-(492+210)=663-(911-507)=81+373=352×6=979-(280-261)=297-25×7=422+135=923-387-73=222×4-68=925-78-731=1/6+4/6=415-203-87=392+48-332=702-118×4=487-10=44+69+104=158+10×7=323-(262-221)=327+366=345+53×8=43+319-223=37×7=465×2-928=181-(29+82)=419-133=294×3-194=699+235×3=223-(357-245)=267+175×2=2/9+4/9=874-(327+147)=144×4-364=928-314=227-30+241=460-212+42=41×(40-35)=597-(843-384)=399-(189+16)=187+422+79=459-13×9=693×3=603-(704-220)=401+(158-62)=86-(161-79)=203-(209-33)=984-22×2=500-224=498-(217+25)=443-(356+51)=523+(652-476)=827-(142+80)=368-(489-203)=395-(498-244)=59+92-62=879+905=293+(296-82)=101×3=157×9-494=957-462-135=70+294-227=870-232=142×6-29=141×2=193×5-594=87×4+354=839-(41+760)=77+(328-165)=453-102×2=228+61×5=193+141=312×3-588=629+160=230+159-342=71+80+751=228-60-14=898+185×3=857×5-333=41×(468-465)=363-355+548=242+230×4=456×4-722=393-186=463+148×3=59×8=543+(992-482)=610×(439-433)=2/5-1/5=87×9=220×2-269=11+162-39=156+(654-210)=710-(737-630)=178+203=474+254=957+242+439=56×7=573×5-748=14×9+113=117+(483-434)=872+(931-909)=143×2+459=372-169+169=387-(992-829)=823-280+378=803-(875-469)=327+58-165=394-265-67=379-175+96=244+459-365=934-(666-272)=797-571-211=951-277×2=458-76×5=55+262+98=910-848=936-915=172+77=166-14-115=948-203×3=42×7=931-(439-295)=44×4+25=418-90×3=43×7=447+(311-74)=150+183-121=662×4=89×5-19=873-145×2=892×2=736×5-139=161+50-65=811-143×5=564+98+985=493-204=137×7-80=453-(213+146)=84×9-513=607×6=102+170=717-646+757=826-85×3=498-210=120+262+218=667+745-345=102×5-175=389+408=254-11×9=28×8+68=722-118+678=257+170-355=112×2=209+712-309=237-156+80=183-(12+58)=457+(392-230)=168×4-391=680+709-342=608+682+997=59+54=196+295-255=628×5=965+868-321=474-93×3=参考答案614-95×5=139177-75×2=27398-120+976=12544/7+2/7=6/760+323=383590×8-98=4622949-222-22=70519+638+85=742641-136-465=40246+92=338885×(185-179)=5310134+43=17729×(992-989)=87292-(424-388)=256824×(142-137)=4120454+69+118=641314×3=942351-(326-286)=31199+328=427604-422+13=195822-(239+120)=463153+112+523=788849×6-372=4722139-72+355=422130×3=390903-(137+649)=117446×2-465=427930×9=837071+368=439131+358-310=179912-493=419765+122-715=172947×(104-95)=8523152×5=760497+(233-224)=506293-11×4=249537-94×2=349469-149×2=171192+378+669=1239275-135-133=7188-(600-573)=161652+312-384=580645-155=490446+115×2=676411-32×8=155978+878+630=2486321-(441-166)=46516-(830-731)=417843-(639-128)=332735+258=993558-164=394549-417+117=249733-280=453415×3-696=549563+451×2=14651/5+3/5=4/5374+978-161=1191364-(454-441)=351750-185+563=1128864×3-738=1854781-128-490=163315+133-156=292664+83+47=794247-19-111=1173/4-1/4=2/461+82=143354-35+53=3723/7+2/7=5/7190-178=12336-(344-181)=17354+113=167187×5=935854-316=538506-87+487=906368+959-192=1135953-(483+103)=367281+(428-368)=341978-395-493=90641-(50+186)=405893-402-479=12995-(460-21)=556464-(143+180)=141123×(215-208)=861913+185=1098884-197+699=1386144+71=215769-532+363=600272+402+126=800157×3=471762-214-114=434311+166=47724×(901-898)=72443+(311-208)=546978+48-124=902768-(291+457)=20434-55×3=26973×(135-128)=51156+259=315357+684-245=7963/5-2/5=1/5418×8-478=2866851-484=367111×4-304=140494×3-623=859604+(656-503)=75760×8+321=801871-231×2=40982+188-260=10142+265+167=574174-152+170=192840-642=198180+234-183=231752+57×5=1037887+622+597=2106289+22+641=95287×3+425=686643+98×5=1133917-126=79114×(437-431)=84549-515+808=842162+(153-13)=302435+51×8=843209×2+253=671195×(460-456)=78083+315+390=788287×(326-323)=861899+(383-334)=94811+321-62=270126×5-399=231106×(210-206)=424348-124×2=100194+548=742374×5-856=1014327-105×3=12152×6-383=529590-448=142707-141-525=41318+409=727626×(960-952)=5008909-222×2=465958-(61+897)=0148×3=444886-(163+289)=434317-37×2=243723-668+642=697215-81+84=218384-(148+107)=129362-(112+17)=233903+(894-653)=1144241-36+70=27561+76=137222-(238-212)=196573-(45+167)=361187×3+117=678921+(726-163)=1484205+80=285318×(59-56)=95433+118+291=442386-100-175=111224-13×3=185172-91=81813×9=7317162×2+212=536346-(144+36)=166459-394=65943-202×2=53930×4+463=583166×9=1494144+405+217=766897-602+29=324488-269-204=15137×3=411382+165+572=1119149+201×4=953357-136=221144+55×9=639564+238+20=822316×3-387=561798-25-49=724333-251+240=322990-470=520625-142+996=147970+271+544=88572×7-251=253245+(585-349)=481437-(237-119)=319295×3-157=728928-(813-793)=908803×(443-436)=562124×6=144163×(186-182)=652470+(828-712)=586215-17-50=148886-376=510266-(67+29)=170819+403=1222866-511-123=23269×6=414168+56×4=39211×8-27=61555-225+679=1009237-141=96252-(411-165)=6104+106×2=316364+(396-325)=435901-40-351=510749+567+859=2175256-(251-101)=106562-51-484=2752×3=156572-(247+230)=95446+60×5=746940+(506-482)=964111×(212-207)=555939-253=68619+739+13=771137-(15+102)=2083×8+41=705732-348+428=812802-189=613377+(756-59)=1074530×7-837=287382×6+429=921707-654=53410+(319-239)=490934-(740-368)=562404-(64+233)=107424-233-51=140987+511+643=2141296×3+834=1722261+114=375788-(428+33)=327233×3+73=772191×3+364=937439-145-199=9554+25=79985-62-138=785740+(927-435)=123291×6=54637+264+673=974184-132=52435-394+259=300937-(31+551)=355412-(76-71)=407439+(340-295)=484422-145+82=359262-185+27=104979-538-211=230310-248=6228+(412-37)=403449-(333+91)=2561×3+990=1173180-114=66286-239+113=160495-267-21=2073/8-1/8=2/8351-106=245772-(987-645)=430486-84-173=229650+755-308=1097839-140+993=1692972+310+83=1365894-(224-222)=892711+196-760=14769×3+83=290973-466-121=386364-(51+288)=2560+272+461=793194+26×8=402338-194=144478+(475-301)=652438-221=217265-(332-324)=257733+80+144=957451×(159-150)=4059979-(230+433)=316119+352=471747-(568-327)=506167+134+511=81290×(29-21)=720146-(314-219)=51119+287-233=173110+192=302522×3=1566712-(297-253)=66824×(75-72)=72100×(206-199)=700815-(358+341)=11641+324-46=319112×4-186=262750×8=6000434-20=414382-163=219235×4=940492-268-184=40239+280-489=30956+681-424=1213123+294=417119+123=242155+229+13=397105+78=183685-210-372=103928+945+224=2097936+(967-499)=1404289-46=243314+77+76=467794+950=1744410-(146+40)=224899-223-264=412338-(38+211)=89482-434+149=197426-(23+127)=276297-14×9=171870-77-198=59535×7=245194-11×6=128667+(939-860)=746290×8=2320342-123-39=180106+(449-172)=383174-107=67191+624=815247+687=934733-122-336=275192×3=576140×(119-114)=700845-545+174=47475×8+230=830943-(348+218)=377479×6=2874154-(400-356)=110492-(16+95)=381931-134×4=395147-26+76=197444-261=183390-79×3=15387×2+604=778259+88-191=156280-82-73=125734-93×6=176643-(707-648)=584707×6=4242254+19×3=311384-(392-335)=327204×2=408303+(788-782)=309326+39-106=259185-13×2=159143-21+863=985330×3=990307+24×7=475573-145+811=1239869-(946-849)=772558×5-251=253991+218×4=9631/7+4/7=5/7939-66=873197+266=463105×(328-322)=630882+889+605=2376375+173=548455×2-526=38417×6=102490-274=21658×9=522153×(35-30)=765136×3+179=587597+170-362=405198+43=241591-334+420=677241×(516-509)=1687395-305+269=359852×2-835=869944-859+741=826142+278=420358+19-191=186305×2+96=706153+(220-142)=231813-315=498983-(950-325)=358815+683-325=1173708-91-351=266512+483×2=1478758+(522-367)=913356-13×6=278326-(419-390)=297234-30×2=174393-(167+108)=118470×5-911=1439303-(219+58)=26161×(926-922)=64491×4+961=1325835-14-568=253337+70+779=1186313+292=605418+(456-267)=607208-(292-84)=0391×3=1173305+(296-178)=423958-21×8=790414+689-20=108394×(428-422)=564715×3=2145660-193=467432+428-839=2137+(428-202)=263175+286=461827-154×3=365432×8-134=3322261-247+269=283508+400×2=1308262+360=622477-309-148=20318+34+99=451472+648-643=477406-67-338=14/8-3/8=1/8372-(22+278)=72162+(365-259)=2685/9+2/9=7/9541+832-941=432108+340-19=429375-233=142491-287=204936+702+246=1884238-39×3=121347-(287-207)=267115+578+948=1641314-216+216=314281-71×3=6836+550+140=726310-(55+164)=91633-56+409=986460-(473-298)=285246-64-78=1042/10+7/10=9/10466+(327-141)=652140×7-420=560207×(305-302)=621168-158+251=261258-(124-11)=145351-66-125=160103×6+308=9263/6-1/6=2/6689×(939-930)=6201371×(314-306)=296886+902-234=754135-(165-153)=123250×3-630=1203/8+4/8=7/8936+149-141=944250+(606-374)=482855×2-793=917245-(360-259)=144813-(45+411)=35796+(371-11)=456338-113×2=11285×5-24=401402×9=3618497×5-369=2116314+665+16=995289+204+457=950719+68+359=114676+238=314431-18×7=305182×(456-451)=910510×(639-631)=4080222×3-144=522570×(240-235)=2850122+290-186=226780-446-79=25550+237-160=127443-(416-398)=425800-297-493=10587×3-675=108691×3=27366×(578-570)=528368-(370-310)=308708+450=1158319-27×6=157898-417=481499-280-67=152713-176×3=185642-486-124=32736-583+78=231928+270-17=1181797-(209+49)=539220-104×2=12485-95×2=295994-(41+154)=79915+(247-15)=2476/8-2/8=4/8268+172-328=112108×(192-186)=648128×6-568=200115×2+437=667668-148×2=372188×3=564396-326+367=437406-10×3=376104+235=33929×4+671=787912+262-253=921852+747+175=1774280-16+146=410396+71-68=39981×2+145=307246-189+24=81348-47=301549-109×5=48/10-1/10=7/1043×7-97=204356-13=343480-288-64=128176-(243-166)=99499+260=759511×6-880=2186450-214×2=22387-223-12=152325-(55+190)=80482-(198-160)=444771×(64-60)=3084281+180-134=3276/8-1/8=5/8411-149-151=111466-308+125=283486-386=100116-23×4=2496×9+425=1289771+(475-75)=1171218+(369-135)=452390-(29+116)=245249-55×2=139397×(575-567)=317624+281+643=948487+154+359=1000641×7-979=3508236-66-56=114482-439=4324×7=168414-(182+135)=97306+(375-26)=655971+135×6=1781492-217=2753/7-2/7=1/7446-(66+192)=188104+213=317672-(141+371)=160303+(687-409)=581614×(918-909)=5526274-67=207715+(637-595)=757799-(625-475)=6494/8+2/8=6/8619+962-124=1457193+271-81=38377×(161-155)=462818-95×4=4384/9-1/9=3/9484-42=442623×(929-925)=2492512+(683-368)=827298×7=2086849×2=1698593+(620-391)=822157×9-566=847382+124+407=913557+157×2=871117×(422-418)=468181+210-302=89167+142=309152+161×3=635358-264+343=43726+(129-62)=93498-(136+137)=225389+(288-55)=622589×(325-318)=4123953-(30+604)=319438-105=33374+205=279832-(504+171)=157460+28×3=544117×(427-419)=93625+278-281=2292×4=368377-(489-186)=74420+369+841=1630360-(19+179)=16290×8=720269×2-351=187719+393=1112176×4-90=614889+795+426=211048+(957-920)=85361+125-13=473106×(364-355)=954861×(880-877)=2583176-20=156114×4-308=148367-(426-159)=100263-86=177439-364=75947-230×4=27324-153-24=147408-(337-282)=353344+(666-171)=839303-(200+56)=47451+22+447=920142×6=85284×8+987=165974×3=22248+(493-236)=305880×(608-600)=7040312-251-33=28562×5=2810138+59+692=889668×2-10=1326871-342=529437-65×6=4795×(136-133)=285625×2-905=345472-116+98=454203-69+102=236175×(357-354)=525214-(395-376)=195247+(397-61)=583750-73×4=458921-(191+539)=19175×8=600452-(114+135)=20349+56×3=217791×(950-947)=2373977-173-201=603261-118+28=171131×3+989=1382287+176=463241-(28+179)=34199×2-220=178871-117-47=707514+519+119=115285×(954-951)=255446×(461-452)=4014827-(670-26)=18392×(121-113)=736369-(204+161)=4127+491+676=1294191+58=24963+597+166=826833-200×4=33222×9=1998113+355+188=656144+(965-650)=459715×(508-502)=4290702-(603+17)=823/6-2/6=1/643-(192-152)=3652×(698-692)=3912289×3-130=737427×2=854452-215=237268+61=329410+213+376=999466-84-130=252399+(373-153)=619722+(763-455)=1030236×(437-433)=944408+358+14=780462-39+58=48154×(82-79)=162159+536=695905×3=2715659×(87-80)=4613407+126×3=785268+217=485329+(293-234)=388468-456+123=135445-(58+201)=186179×(112-108)=716500-332+245=413233+(363-354)=242427-166-11=250144+161+132=4375/8+2/8=7/8391×2-555=227253+772-457=568206-77×2=52833-509+501=82554+704-476=282471-36×2=3992/8+4/8=6/870+926-817=179116×5=580567-162-80=325459-93-349=1786×4=344789-94+144=83982+628+509=121956+326=382509-235+714=988439-60×5=139867-(492+210)=165663-(911-507)=25981+373=454352×6=2112979-(280-261)=960297-25×7