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994-(181+519)=431+(409-397)=57+229-49=670-(41+163)=19×3=187×3=151+(196-11)=306-(78+197)=380+18×9=937-(929-328)=6/8-1/8=54+(670-494)=223×2=31×2-34=416-414+154=482-136=3/6-1/6=266×3=262-(468-394)=769+495-863=795+68-613=472×7=576+836=205-71=861-338-489=198-(194-190)=688-302×2=451-255=73×3=228+227=455+(405-399)=152×3+191=212-183+716=717×(602-599)=42×7=985+907+389=771×7=406-(423-170)=160×2+194=102×(357-351)=711-186-61=695×8=151-126=324+(397-228)=456-(11+272)=237+321+299=815-130×2=892+(58-49)=135-86=877-615+437=281×3=118-(326-240)=258-22×5=342-198+249=159+(182-77)=789-(676-617)=278×(456-448)=105×3=405×6=611-(289+287)=537+(691-480)=205+145=64+98-37=304-236-25=544×(872-866)=308-239+301=884+447×2=379-(161-117)=692-273×2=388+19-275=295-13×8=675-291+111=983×2=157-(164-152)=913×(393-388)=11+76+595=611-143×3=860+529=15+53=90×8-379=883-(36+810)=631-536=920-(189+114)=801+536-672=237+(857-388)=544+215-419=289+194-361=865-585-231=134-131+222=813+63+356=839×9=96×6=624-(158+407)=165+55+46=399+441+739=141×6=366-21-233=719+411+305=724-660=149×3=317+305×2=17×9+216=362-327=921-219×4=63+81+46=435-(87-46)=139×(40-34)=136+325=242+239=707+881-727=196+(88-16)=317-(407-114)=231+138+46=830+481+678=32+65=23+269+360=76×8+119=96+75+620=753+378=101+223=620+108×3=497-(256-115)=283-142=86×(189-181)=498-(194+147)=262-212=179×4-414=171+(314-39)=427-(372-28)=452-61-282=111×3+425=635×4-152=361×5-785=674-123=676×(218-210)=524-25×5=313×(297-294)=431-(488-206)=445-77×4=477-36=734×(258-254)=95+630-464=2/5+3/5=997-(25+682)=839+140×5=480-(226+173)=409-404+247=33×2+245=66+252-10=108+115+699=248-16×8=393-(275-128)=104+(453-360)=774-177×3=939-100+156=985-305×3=353×2-345=3/7-2/7=312+564=390+790+70=239×9=311×3+893=892×5-858=112+311=272-(788-522)=276-173=159-45=474+(155-152)=41+102-126=499-402=193×(439-436)=91×7-272=272-18×3=208+218=82×9-529=878+922-379=389-303-84=193×(237-232)=269+232×2=617×6-792=48+23=443-14-370=232-77-21=874-(589-389)=104×8-150=160+294×3=256+21-194=456-(43+408)=94+138-104=474-(46+100)=644+(868-757)=242+636+64=687-525=443-334+293=901+210+31=838-382=401+527-684=693-194-11=217-164=111+(355-70)=292×(583-579)=299×3=365+(820-548)=226-17×9=358-(233-197)=475-253=142×(24-21)=198+(539-475)=413×2-275=209×(193-189)=483-274-99=174-(49+49)=851×2-214=59×9+765=469+387=947-682+973=141-22×4=88×(280-274)=13×9=313×3+553=897-756+21=147×5+185=592+328+264=221×2=52×3+389=254+53=464-(95-92)=96×9-559=898-93-713=767-163+472=409-(135+32)=6/8+2/8=609+(980-490)=49×(196-187)=454+14-426=52+(308-151)=286×2-511=318-121=105+(250-171)=372+303=449-(348+43)=308-253+381=357-136=905-285=3/7-1/7=171+21+99=168×(618-609)=70×7=415×2+760=240+258+717=270+90=493-196-283=294×(838-832)=112×7-481=745-458=459-324-123=977×9=154×8-214=226+110=269-21=200-46×3=246+335+755=810-(163+422)=496-50×7=628-297×2=232×2=329-42+129=322+(453-19)=774×6-330=909+(756-123)=417+56-353=309+152-234=319×3+830=607×6=252×8=163+153+364=233+210+145=631-(999-588)=945-(786-22)=89×(213-210)=931-799=825-(418-312)=476+19×8=244+(426-204)=995-448=228+308×2=842-566+848=768-(317+307)=225+43×3=306-58×3=464+(113-105)=106×(43-34)=62×8+978=347-14-313=252+783-63=56×2+467=108-(398-387)=176+186+734=68×9+105=739+967+175=246-116+316=747-108×3=499-(61+172)=96×2=114+81×9=65+898-912=362-46-24=507×3-771=446-270+298=256+41+424=518+458=212-188=293-192=38+155-77=1/6+2/6=364-100-248=177+237=889-865=155×(196-193)=416-(325+18)=865-74×7=718+101×5=954-(742+173)=148×4-503=425-19×6=369+43×5=992×(952-944)=449-14×9=120×7=765-650=811-86-234=343-287+383=334-(105+184)=173×2-150=107×4-168=5/7+2/7=381+10-286=532-(424-58)=955-107-223=1/5+2/5=122+223×3=421+(493-76)=349×(88-82)=491-21×6=675-154×3=127×3=419+(644-284)=945-440+980=929×9=977-64×9=144+(274-93)=363-160+151=992-(69+442)=217+319-499=285-(198-27)=271×6-916=14×2=465-399+46=418+(351-327)=124+343-412=329-123×2=597-(780-285)=244-70+193=53+(339-131)=706+254+705=378-(784-770)=198-(242-117)=125+414=260-(43+63)=167×4=376-228+220=136+(269-264)=245+155×3=58×3=185×3-285=71+821-260=252×3-735=447-275+156=853-(173+52)=757+123×6=124×6-381=995+316×2=905-120×5=899-131-575=726×(411-408)=131+(362-30)=109×(159-156)=963-172+701=954-(832-790)=349+86-67=155×(157-152)=59+279-53=979+277+140=497-25×6=385-(13+340)=422-(154+30)=618+143+300=892-213×4=112+818-171=539-147×3=219+200×2=478-234=275-23×7=518+350-409=840+628+824=105-(65+22)=786+(634-367)=351-271+353=127×(626-622)=317×3+294=673+812=881+760+266=275-207=114×(22-16)=4/9-1/9=146+188=424-18+751=237-(333-322)=183×3+606=376-118×3=61×7+95=43×(896-888)=439+295=336-(300+31)=86+191=596-(975-537)=799×9-495=314×(946-941)=129+260=231×7=970-(68+122)=115+341-362=713+885=735+(685-212)=339×5-947=827-(28+372)=84+35=283×3-217=205-(354-181)=169+292=63×4=287+(739-555)=430+287+160=152+348-474=269+101-181=229-(871-802)=1/4+2/4=627+(890-703)=147×4-72=6/9-1/9=967-63×8=3/8+5/8=43×(360-354)=556-189+890=395+(994-441)=387+35×2=909-553=951-206-301=170+330-333=476+(258-10)=632-(48+385)=300-221=784-(637-616)=417-23×4=4/8+2/8=468×2-118=571-305=321-(42+85)=205+496-233=688-135-111=928-(114+348)=509×9=2/8+5/8=361-175=808-15×7=526+(542-324)=715+746-575=488+218=300+(260-167)=450+(488-388)=393+(318-240)=230-227+905=898-76×5=265-(417-285)=131×4+203=633-157-74=92+134×5=481-17×2=262+(891-575)=476-(303-283)=284+784+14=221+38=807×4=953-124+258=700×5-517=910+(729-129)=385-293+853=46+118×6=197×5=132×5-63=349+624+327=82×(482-479)=272+187=87×(95-90)=134-103+329=47×4-71=60×(403-394)=883-452=276×2-504=319-(422-311)=930+377-755=422-193-32=440-203+214=441-248=386-116×2=328-162=381+192+22=247×4-16=235-133-83=750+(181-10)=2/10-1/10=3/8+4/8=558×2-352=573-(679-624)=813×(339-333)=293-(117+95)=964-320=218-111+368=184+56+390=267-178-56=179-29-67=605+49+248=43×(323-315)=951-587+954=963-481×2=54+(911-287)=224×9-640=972+414=210×2=117-40=821-450+596=325+631+10=129-33-72=4/7-1/7=236+951=4/7-2/7=551-435+73=755-365=883-599=460+147+372=172×(368-363)=424+(452-135)=391+271=321+810+905=743×(847-838)=355-(641-498)=256+342+940=171-53+248=215+362=613-48+810=538-428+214=376+173+240=694-(592-145)=124+48=34+(216-22)=595-(900-863)=886-38-210=168+(774-540)=302+163=749×2-611=202×3+316=957-(566+84)=596-34×9=400+79=447+(667-592)=266+413+255=190+308-34=582-73×4=294×(447-444)=900+(925-426)=70-(589-542)=52×9=663+71-441=292+200-476=261-(318-58)=81×8-61=434×(471-466)=116×(279-274)=348-(46+44)=659×2-850=596×7=368-300=57+116×2=807+801-203=944-445=466-122-72=892-509+282=444+79=891+752=504-(915-487)=42×6+418=541-196×2=478-(329-312)=453×8=426+(644-333)=853-285-545=182-171+288=136+225=634-183-403=249+132-202=140×2+752=348-(211-120)=454-84=852-706-18=555×4=238×(415-411)=545+(912-97)=817-20×8=354+78-60=466-280=562×9-385=89-15=264-202=441-30-106=411-166=400-288-106=414-305-108=319×9-150=165-(181-79)=92-74+452=331+69=242×(189-182)=196+463+168=958+956=633×6=108×4+483=885+820+542=661+966+807=415×5=486-348-99=926-411=18+448+485=120×8+451=300×6-751=954-(582-145)=254×(594-587)=395+132=189-110-63=191-(614-598)=246+68=767×5=104+117×6=330-42×4=270-54-213=426-89-178=130-(374-338)=308-39-78=864-550-70=177-145=537+108=30×(265-261)=493-(73+36)=84+622-459=158+316=445-13×5=893-77-276=574-161+683=206+26-107=495+693-342=134×(60-57)=644×(51-43)=762+519+87=613+578+469=513-81+245=107×(290-282)=271+104-76=278+62=70×7-446=97+317=936-821=102×6=437-401+456=489+(495-360)=64+151-43=410×9-983=110+186=328×3-222=582-(366+21)=465-62=377-42×7=358×8=190-29×6=901×(864-858)=171+253+418=488+192+34=19×5=663-440+304=367+(994-360)=235-(87+127)=950-295-586=148×(77-74)=284×(319-316)=192+239-158=272+469=899-52+159=985-(293+316)=679-(284+328)=935×6=3/5-1/5=457×7-832=712+116×8=165×2+374=405-(393+10)=353×(112-103)=4/6-1/6=238-33-67=90×6-320=213+85×2=321+11×2=264+131=413×3-168=165-30×5=152-(93+36)=500×2-350=412×2-551=103+377-342=355-(109+208)=325-(368-360)=241-(65+176)=144-(89-78)=859+44+59=781×9-146=195+180-200=616+317=940+957=1/5+3/5=479-300-77=83+394-202=936-148-292=331-138-64=326+181+195=490-(92+196)=340-100-144=461-390=443-(90+82)=997+846-361=852-809=388+123+152=892-797+539=416-(133+251)=473-449+299=139×4=328×2=399-103×3=379+188=391-(744-668)=404-53×6=445×(415-408)=434-(128+270)=313-264+63=71×7=690-206-333=73×6-112=830-361-401=799-(214+175)=395-323-27=775-535+271=44×6+829=520+(505-159)=247+51=193-16×8=292-98×2=361-(871-537)=117-40+156=485-68×6=397×9=608-536+382=126+33+576=539×9=337-296+199=330+197+459=194-97=241+843-186=295-(497-322)=181-(417-266)=490-(228+112)=482+724+552=940-23-827=20+28×5=310+170×3=897-17×6=214+199×3=709-695-11=276-(97+108)=135+370+827=50×7+81=234+191-331=990+126-254=470-303=41+15=41×3=451×(92-88)=247+101+344=122×7-411=91×6+429=867-625+107=171-50+256=635-(658-374)=36×8=495+(310-81)=171+224×3=178×5-50=152+201-337=468×8-215=101×3-250=337-51-81=67×9=415-(361+16)=4/10-2/10=395-331+140=83+272=65×(377-369)=225-(210-102)=334+234-556=585-114×2=741-(88+126)=650×(922-914)=497-(438-24)=321-16×9=52+(399-291)=466+(892-182)=563-324-31=443-(51+123)=482-93×5=46×5+23=928-134-148=204+224-359=898-41×8=290-(88+187)=66×7-198=72+831+482=719-(370+15)=48+428-455=582-200-206=477-19×3=4/7+2/7=153+332+542=286-208=990-591-283=129-(470-426)=99-92+264=29×2=246-63=277+(433-64)=25×4=459-(441-236)=317+(352-299)=584-(506+71)=486-78-81=25×(69-62)=309-(224+62)=130×(858-854)=356×2-80=72×(525-520)=参考答案994-(181+519)=294431+(409-397)=44357+229-49=237670-(41+163)=46619×3=57187×3=561151+(196-11)=336306-(78+197)=31380+18×9=542937-(929-328)=3366/8-1/8=5/854+(670-494)=230223×2=44631×2-34=28416-414+154=156482-136=3463/6-1/6=2/6266×3=798262-(468-394)=188769+495-863=401795+68-613=250472×7=3304576+836=1412205-71=134861-338-489=34198-(194-190)=194688-302×2=84451-255=19673×3=219228+227=455455+(405-399)=461152×3+191=647212-183+716=745717×(602-599)=215142×7=294985+907+389=2281771×7=5397406-(423-170)=153160×2+194=514102×(357-351)=612711-186-61=464695×8=5560151-126=25324+(397-228)=493456-(11+272)=173237+321+299=857815-130×2=555892+(58-49)=901135-86=49877-615+437=699281×3=843118-(326-240)=32258-22×5=148342-198+249=393159+(182-77)=264789-(676-617)=730278×(456-448)=2224105×3=315405×6=2430611-(289+287)=35537+(691-480)=748205+145=35064+98-37=125304-236-25=43544×(872-866)=3264308-239+301=370884+447×2=1778379-(161-117)=335692-273×2=146388+19-275=132295-13×8=191675-291+111=495983×2=1966157-(164-152)=145913×(393-388)=456511+76+595=682611-143×3=182860+529=138915+53=6890×8-379=341883-(36+810)=37631-536=95920-(189+114)=617801+536-672=665237+(857-388)=706544+215-419=340289+194-361=122865-585-231=49134-131+222=225813+63+356=1232839×9=755196×6=576624-(158+407)=59165+55+46=266399+441+739=1579141×6=846366-21-233=112719+411+305=1435724-660=64149×3=447317+305×2=92717×9+216=369362-327=35921-219×4=4563+81+46=190435-(87-46)=394139×(40-34)=834136+325=461242+239=481707+881-727=861196+(88-16)=268317-(407-114)=24231+138+46=415830+481+678=198932+65=9723+269+360=65276×8+119=72796+75+620=791753+378=1131101+223=324620+108×3=944497-(256-115)=356283-142=14186×(189-181)=688498-(194+147)=157262-212=50179×4-414=302171+(314-39)=446427-(372-28)=83452-61-282=109111×3+425=758635×4-152=2388361×5-785=1020674-123=551676×(218-210)=5408524-25×5=399313×(297-294)=939431-(488-206)=149445-77×4=137477-36=441734×(258-254)=293695+630-464=2612/5+3/5=1997-(25+682)=290839+140×5=1539480-(226+173)=81409-404+247=25233×2+245=31166+252-10=308108+115+699=922248-16×8=120393-(275-128)=246104+(453-360)=197774-177×3=243939-100+156=995985-305×3=70353×2-345=3613/7-2/7=1/7312+564=876390+790+70=1250239×9=2151311×3+893=1826892×5-858=3602112+311=423272-(788-522)=6276-173=103159-45=114474+(155-152)=47741+102-126=17499-402=97193×(439-436)=57991×7-272=365272-18×3=218208+218=42682×9-529=209878+922-379=1421389-303-84=2193×(237-232)=965269+232×2=733617×6-792=291048+23=71443-14-370=59232-77-21=134874-(589-389)=674104×8-150=682160+294×3=1042256+21-194=83456-(43+408)=594+138-104=128474-(46+100)=328644+(868-757)=755242+636+64=942687-525=162443-334+293=402901+210+31=1142838-382=456401+527-684=244693-194-11=488217-164=53111+(355-70)=396292×(583-579)=1168299×3=897365+(820-548)=637226-17×9=73358-(233-197)=322475-253=222142×(24-21)=426198+(539-475)=262413×2-275=551209×(193-189)=836483-274-99=110174-(49+49)=76851×2-214=148859×9+765=1296469+387=856947-682+973=1238141-22×4=5388×(280-274)=52813×9=117313×3+553=1492897-756+21=162147×5+185=920592+328+264=1184221×2=44252×3+389=545254+53=307464-(95-92)=46196×9-559=305898-93-713=92767-163+472=1076409-(135+32)=2426/8+2/8=1609+(980-490)=109949×(196-187)=441454+14-426=4252+(308-151)=209286×2-511=61318-121=197105+(250-171)=184372+303=675449-(348+43)=58308-253+381=436357-136=221905-285=6203/7-1/7=2/7171+21+99=291168×(618-609)=151270×7=490415×2+760=1590240+258+717=1215270+90=360493-196-283=14294×(838-832)=1764112×7-481=303745-458=287459-324-123=12977×9=8793154×8-214=1018226+110=336269-21=248200-46×3=62246+335+755=1336810-(163+422)=225496-50×7=146628-297×2=34232×2=464329-42+129=416322+(453-19)=756774×6-330=4314909+(756-123)=1542417+56-353=120309+152-234=227319×3+830=1787607×6=3642252×8=2016163+153+364=680233+210+145=588631-(999-588)=220945-(786-22)=18189×(213-210)=267931-799=132825-(418-312)=719476+19×8=628244+(426-204)=466995-448=547228+308×2=844842-566+848=1124768-(317+307)=144225+43×3=354306-58×3=132464+(113-105)=472106×(43-34)=95462×8+978=1474347-14-313=20252+783-63=97256×2+467=579108-(398-387)=97176+186+734=109668×9+105=717739+967+175=1881246-116+316=446747-108×3=423499-(61+172)=26696×2=192114+81×9=84365+898-912=51362-46-24=292507×3-771=750446-270+298=474256+41+424=721518+458=976212-188=24293-192=10138+155-77=1161/6+2/6=3/6364-100-248=16177+237=414889-865=24155×(196-193)=465416-(325+18)=73865-74×7=347718+101×5=1223954-(742+173)=39148×4-503=89425-19×6=311369+43×5=584992×(952-944)=7936449-14×9=323120×7=840765-650=115811-86-234=491343-287+383=439334-(105+184)=45173×2-150=196107×4-168=2605/7+2/7=1381+10-286=105532-(424-58)=166955-107-223=6251/5+2/5=3/5122+223×3=791421+(493-76)=838349×(88-82)=2094491-21×6=365675-154×3=213127×3=381419+(644-284)=779945-440+980=1485929×9=8361977-64×9=401144+(274-93)=325363-160+151=354992-(69+442)=481217+319-499=37285-(198-27)=114271×6-916=71014×2=28465-399+46=112418+(351-327)=442124+343-412=55329-123×2=83597-(780-285)=102244-70+193=36753+(339-131)=261706+254+705=1665378-(784-770)=364198-(242-117)=73125+414=539260-(43+63)=154167×4=668376-228+220=368136+(269-264)=141245+155×3=71058×3=174185×3-285=27071+821-260=632252×3-735=21447-275+156=328853-(173+52)=628757+123×6=1495124×6-381=363995+316×2=1627905-120×5=305899-131-575=193726×(411-408)=2178131+(362-30)=463109×(159-156)=327963-172+701=1492954-(832-790)=912349+86-67=368155×(157-152)=77559+279-53=285979+277+140=1396497-25×6=347385-(13+340)=32422-(154+30)=238618+143+300=1061892-213×4=40112+818-171=759539-147×3=98219+200×2=619478-234=244275-23×7=114518+350-409=459840+628+824=2292105-(65+22)=18786+(634-367)=1053351-271+353=433127×(626-622)=508317×3+294=1245673+812=1485881+760+266=1907275-207=68114×(22-16)=6844/9-1/9=3/9146+188=334424-18+751=1157237-(333-322)=226183×3+606=1155376-118×3=2261×7+95=52243×(896-888)=344439+295=734336-(300+31)=586+191=277596-(975-537)=158799×9-495=6696314×(946-941)=1570129+260=389231×7=1617970-(68+122)=780115+341-362=94713+885=1598735+(685-212)=1208339×5-947=748827-(28+372)=42784+35=119283×3-217=632205-(354-181)=32169+292=46163×4=252287+(739-555)=471430+287+160=877152+348-474=26269+101-181=189229-(871-802)=1601/4+2/4=3/4627+(890-703)=814147×4-72=5166/9-1/9=5/9967-63×8=4633/8+5/8=143×(360-354)=258556-189+890=1257395+(994-441)=948387+35×2=457909-553=356951-206-301=444170+330-333=167476+(258-10)=724632-(48+385)=199300-221=79784-(637-616)=763417-23×4=3254/8+2/8=6/8468×2-118=818571-305=266321-(42+85)=194205+496-233=468688-135-111=442928-(114+348)=466509×9=45812/8+5/8=7/8361-175=186808-15×7=703526+(542-324)=744715+746-575=886488+218=706300+(260-167)=393450+(488-388)=550393+(318-240)=471230-227+905=908898-76×5=518265-(417-285)=133131×4+203=727633-157-74=40292+134×5=762481-17×2=447262+(891-575)=578476-(303-283)=456284+784+14=1082221+38=259807×4=3228953-124+258=1087700×5-517=2983910+(729-129)=1510385-293+853=94546+118×6=754197×5=985132×5-63=597349+624+327=130082×(482-479)=246272+187=45987×(95-90)=435134-103+329=36047×4-71=11760×(403-394)=540883-452=431276×2-504=48319-(422-311)=208930+377-755=552422-193-32=197440-203+214=451441-248=193386-116×2=154328-162=166381+192+22=595247×4-16=972235-133-83=19750+(181-10)=9212/10-1/10=1/103/8+4/8=7/8558×2-352=764573-(679-624)=518813×(339-333)=4878293-(117+95)=81964-320=644218-111+368=475184+56+390=630267-178-56=33179-29-67=83605+49+248=90243×(323-315)=344951-587+954=1318963-481×2=154+(911-287)=678224×9-640=1376972+414=1386210×2=420117-40=77821-450+596=967325+631+10=966129-33-72=244/7-1/7=3/7236+951=11874/7-2/7=2/7551-435+73=189755-365=390883-599=284460+147+372=979172×(368-363)=860424+(452-135)=741391+271=662321+810+905=2036743×(847-838)=6687355-(641-498)=212256+342+940=1538171-53+248=366215+362=577613-48+810=1375538-428+214=324376+173+240=789694-(592-145)=247124+48=17234+(216-22)=228595-(900-863)=558886-38-210=638168+(774-540)=402302+163=465749×2-611=887202×3+316=922957-(566+84)=307596-34×9=290400+79=479447+(667-592)=522266+413+255=934190+308-34=464582-73×4=290294×(447-444)=882900+(925-426)=139970-(589-542)=2352×9=468663+71-441=293292+200-476=16261-(318-58)=181×8-61=587434×(471-466)=2170116×(279-274)=580348-(46+44)=258659×2-850=468596×7=4172368-300=6857+116×2=289807+801-203=1405944-445=499466-122-72=272892-509+282=665444+79=523891+752=1643504-(915-487)=7642×6+418=670541-196×2=149478-(329-312)=461453×8=3624426+(644-333)=737853-285-545=23182-171+288=299136+225=361634-183-403=48249+132-202=179140×2+752=1032348-(211-120)=257454-84=370852-706-18=128555×4=2220238×(415-411)=952545+(912-97)=1360817-20×8=657354+78-60=372466-280=186562×9-385=467389-15=74264-202=62441-30-106=305411-166=245400-288-106=6414-305-108=1319×9-150=2721165-(181-79)=6392-74+452=470331+69=400242×(189-182)=1694196+463+168=827958+956=1914633×6=3798108×4+483=915885+820+542=2247661+966+807=2434415×5=2075486-348-99=39926-411=51518+448+485=951120×8+451=1411300×6-751=1049954-(582-145)=517254×(594-587)=1778395+132=527189-110-63=16191-(614-598)=175246+68=314767×5=3835104+117×6=806330-42×4=162270-54-213=3426-89-178=159130-(374-338)=94308-39-78=191864-550-70=244177-145=32537+108=64530×(265-261)=120493-(73+36)=38484+622-459=247158+316=474445-13×5=380893-77-276=540574-161+683=1096206+26-107=125495+693-342=846134×(60-57)=402644×(51-43)=5152762+519+87=1368613+578+469=1660513-81+245=677107×(290-282)=856271+104-76=299278+62=34070×7-446=4497+317=414936-821=115102×6=612437-401+456=492489+(495-360)=62464+151-43=172410×9-983=2707110+186=296328×3-222=762582-(366+21)=195465-62=403377-42×7=83358×8=2864190-29×6=16901×(864-858)=5406171+253+418=842488+192+34=71419×5=95663-440+304=527367+(994-360)=1001235-(87+127)=21950-295-586=69148×(77-74)=444284×(319-316)=852192+239-158=273272+469=741899-52+159=1006985-(293+316)=376679-(284+328)=67935×6=56103/5-1/5=2/5457×7-83