三年級數(shù)學(上)計算題專項練習附答案集錦

三年級數(shù)學(上)計算題專項練習附答案集錦883-110-197=239+203-370=123×6+646=391-(481-98)=749-169-348=105×9+523=890-(210+664)=734-(355+50)=438×9=984-18+795=400-43-326=289-21×2=240-90-72=247-173-36=416-192=364-(175-169)=815-151-405=351×2-61=541-209-315=137+181-253=150×4+29=440-288=459+582+38=437-88-162=265-(72+72)=308+342+453=200×(342-338)=302-52-52=168×2=254+(492-305)=86+74=68×3=366+(437-362)=698+(343-43)=560+310=540-526+720=473-335+65=817-(410-139)=299+686+503=218-(345-141)=287-134=568-104-224=232+219×2=379-71-110=54×(54-50)=369+(616-17)=24+131+192=167-12=55-12×4=815-90×7=92×6=366×2-260=888×(56-52)=473-231=727×5=327+(947-372)=246+32×9=144-(36+25)=449-(261+19)=744-371=828×8-127=330×2-355=320-142=330+451×2=774-480-121=783-722=300+71-281=202+(259-105)=685+880=113-13×2=478-299=136+(206-91)=818+197×4=621+534+166=745-561-42=999-(317+652)=68×7=879-270=163+132-261=385+434×2=96×9-700=452-(331+77)=46×4+370=132+250-157=234+195=276-(721-472)=644+532+795=663-(848-548)=210-23-55=81-(207-175)=468+210=47+308-65=115-26=106×(367-364)=131+(967-532)=537-(502-405)=431-(54+372)=492-318+108=133+417×2=162-20=498-(296-294)=451-(288-103)=780-695=60-(135-132)=81+288-140=86+683+179=197+247-388=776-168-445=416+665=488-305=273+(312-232)=933-642+932=298-136×2=810×(515-512)=282-39-90=220×(20-16)=920-(173+684)=224×7-844=336+779=795-40-192=380-(108+268)=122×8+840=344-178+615=452+347+120=871-(380-319)=146+484×2=445-323=63+67+72=771+(383-50)=429-41×2=359+83×3=480+252×2=280×3-616=488-(410+43)=355×6=860-655+945=890×6-292=690-108×2=731-711=228+178-32=443-227-78=72+219=195+52+363=127-(55+61)=439-181-61=456-(45+330)=336+79×6=20×(498-492)=643-578+50=435-103=361-12×7=251+101×7=448-226=925-526-258=920+279-518=224-44-19=182-(164-55)=159×4=600+(835-566)=208×2-263=787+963=816-(701-588)=435×(140-135)=70-(238-233)=800-(78+648)=360-75-25=324-196-61=144×6=193+244+10=469-(154+296)=81+100+659=483-14×6=255+75=159×5=2/6-1/6=844-(156+474)=737×(890-887)=327×2=543-352+434=220×5=443-(289-216)=896×2-912=109+424=24×(483-480)=1/4+3/4=906×4=812-(105+363)=110×4-59=25×9+25=426+14-186=660+771-297=668-81×8=427+(190-54)=418-215=226-29=484-(164+226)=660-340-132=713+(841-538)=224×4=723×2-267=195-23×6=595-(64+385)=212+48+457=90×3=284-(223-86)=544+317-609=174+(489-233)=115×4+341=828-697=154×6-224=846+837-425=533+991-929=605-(111+413)=103-75+438=445+(406-102)=625+356-587=107×(414-409)=714+(456-392)=174+(587-198)=345-25-237=203-45+650=43+(481-296)=566+272-392=212+260-393=856-93-239=267-85+99=7/10+3/10=248×(656-647)=173+796=618×(172-169)=59-19=638-35×6=818×(963-960)=114×4=274-224+173=416-14×8=980-(748-399)=386-47×5=369-164+189=576+146=860+(875-427)=230-185+153=773-646+912=80+404+379=788+317-627=120×4-358=403-327=191×4+664=702-178=201+(318-118)=206+137=103+348+474=137+176=223+(151-138)=737×3=99×(333-328)=62×6-267=236+55=114×(283-279)=495-193×2=5/8-2/8=287-19+79=419+101+167=394+181=610×(494-491)=97+203=691+138-387=508-181=83×6-176=43×(965-957)=305×3-669=103+(532-153)=847+908+221=951-199=328×5-267=109+347=697-195+552=322+(798-419)=448-178-263=561-10×9=80×(310-301)=547×5=60×3+482=375+(394-239)=826-552=489+444-311=553-50×5=402-10×4=944+809=440-312-22=133+188-136=101+79=931×(926-917)=2/4-1/4=264-(159+31)=476-400=112+414=1/4+2/4=4/7+2/7=890-19×6=289-(375-230)=165×6-969=553-(44+344)=963+115+959=392×2-196=826-754=164+(253-68)=111×2+528=428-280+79=184-88-50=450+824-452=62×(94-91)=47-(44-12)=22×3+599=528+(977-134)=131×3+933=235+526+762=122×3=137×6-217=325×(603-596)=847+156-355=720-23×4=320-84=23+378-337=157+(446-46)=130+255=238+789-241=270+170=333-(289+43)=226×3+314=488-(157+84)=161-61=301-238=512+62-394=294-236=740-(944-630)=462-417+47=45×(485-481)=275+233-71=829-(984-714)=579×3-297=454+345=784×2-696=27+(281-103)=316×7=816+499-652=486-(523-153)=804×(176-169)=154+98+330=133-(492-430)=39+31×7=464-342-75=249×2-34=182×(286-283)=183+150=600-(303+29)=273+(205-76)=497-488+105=790×7=50+38+372=196-72+581=466-295-117=137×(127-122)=232-117=931-(157+179)=117×(727-723)=417-19=928+877+716=340×2-327=32×3=395-272=668+196=934+776+687=285-(49+229)=24×(806-802)=123-(163-123)=349+417=58+316-172=968-737=108-(85-23)=223×5-879=670×(447-442)=236-75×3=188×(85-82)=712×3=208+75-125=855+263-524=3/6-2/6=655-(213+427)=437+(391-235)=653-480=952-(655-95)=970-53×2=570+354=457×(295-289)=177+317=353+75-310=397+299+728=235+108×3=193-18×8=290-165=213-32+45=939-(442+188)=156-(304-286)=740-521-84=189-20×6=439+449+46=312+90=689-13+486=352-(89-36)=340-304=83×(345-342)=192×6=319+410=91+(576-504)=86+349-23=831-(78+407)=57×8+251=333×9-746=239×2=292+80+595=542-(196-175)=439+96×8=740-699+885=502-429=303+158+523=494×2-346=442-37+36=485-(16+282)=903-425+105=796×(281-273)=713-35×4=430-353+293=755-21+203=3/7-1/7=2/9+3/9=96×3+211=72+387=295×2=135+154=191-117=426-10-266=830×2-737=881×(857-853)=627×(290-287)=912-374×2=642×2=828×(485-478)=838-261-165=421-(851-480)=894+(573-88)=374-258=126-41=454+12×3=200+651=922-800-116=103+114=772-(93-88)=497-(131+169)=1/6+4/6=640×3-536=5/8-1/8=286-168+111=290×2=485×5=909×(786-782)=3/8-1/8=119-56=320+211×3=125×5-303=186+279=206-192+146=258-(78+130)=2/7+3/7=414-213=123+131×2=479-68-269=251-15+111=357-21×8=240+(642-546)=307-13×3=294+379+182=310-(418-155)=471-425-34=182×5-57=122×7=604×4=188+955+225=89×9-242=796-51×9=14+482-124=464×3-707=455-449+138=35×9-169=343+62=274+291+57=281×9-562=23×9+928=555+605=1/8+6/8=586-(238+196)=375-55+798=5/7-1/7=226-(310-188)=241+(61-41)=358+22-157=540+183×5=97-77+93=232-107=352+706-234=315+147×2=510-(480-76)=292×9=665×7-411=937-(744-214)=134×3+621=988-(678+20)=165+259=265-56×4=283+(499-217)=479-156-260=944-(610-572)=346×5=686-234+713=87+439×2=633-(608-134)=521-50×7=829×6-154=443-(473-219)=541-(529-216)=881+578+680=903-318×2=83+183+516=260-(48+23)=478-93×3=288×2+418=103+579+65=225-(70+26)=463-(315+110)=1/7+5/7=492×(633-627)=626-114×5=105+335-298=133×3-162=396+(239-140)=966-290+888=625+(679-192)=371-55×4=225×3=176-135+81=582+(706-98)=839+510-230=80-15×3=336×2-222=146+300-308=285-102-69=452-(917-775)=148+(516-111)=862-23-821=167-(246-95)=418-(45+223)=618+282-477=226+123=379-68=14×6+263=428-129×3=733-227+10=325-(346-198)=482-315+255=360×2+492=509-(339+166)=164-91=577+(475-94)=830+802=96×7=116+186=124+72-154=338×2-435=173+323-217=145-42+116=65-(389-341)=562-471+623=404-(205+113)=463-(273+127)=147+206=60×7+259=474-127+40=740-740+352=758+655=99-43+74=219-42-50=465-(86+256)=166×3=559-50-236=648+(433-286)=231+105×3=456-122×3=134×4-450=964-(591-173)=474+(147-22)=476-(337+49)=799+87×4=842-420=219+(202-120)=444×2-439=224+(496-434)=434-29×6=43×(210-201)=25×4=304+300=735-(77+94)=47×3+521=722+42-428=828×9-343=523×9=157+207+535=96+94=499-(153+294)=255+93×8=831×2-105=970-433+598=588-393=76×(456-447)=889-256×3=752-377-65=498×2+505=68×(331-322)=893-543-169=441-289=140-27-39=167×2-94=976-228=96+19×7=141+129=368+234+69=172-87-48=75+166=264+184=883-(582-86)=320-27×9=630-65-491=181+153+617=222×5=336-40×2=941-(247+52)=177×(492-488)=725+(796-271)=31×(441-434)=102×(219-216)=90×(104-96)=365+93×4=200+921+938=280+206=398-(22+175)=293×2+202=508+379×2=57+(409-347)=292+(300-57)=748+(917-325)=406-205=162×(454-451)=258+211-254=874-(703+102)=369-213-83=325+125+361=173+953-407=38×8-285=397+68+31=92×4=188+(868-105)=987-44×5=959-(247+709)=437+934+904=544-114-383=234+(286-154)=183-(109-30)=999×(682-679)=374-(179+62)=797+(703-533)=139×6-36=301-43×3=316+694-327=441×2-637=106×3=5/8+3/8=377-242+90=17+147+199=490-52×7=280+82×2=80×7-422=678-491=93+(247-56)=564-(542-309)=31×9=455×2-301=323×(763-754)=244+21×7=107-47+237=505+325=271+143=477-11×8=52×5+368=492+(932-843)=777×8-914=273×3=224×4-207=498+949=999+(476-306)=415+39-67=16×7=107×(905-901)=227×3=650×3=464-(168+84)=83+151-73=793-63+215=176-16×2=880×8-284=95+(490-308)=909+463+368=181+168-22=711×(697-691)=925-43+739=794-97-285=271+(476-61)=463-181=390×9=702×(183-180)=5/8+2/8=81×(498-494)=135×(237-233)=402-(435-110)=740+287+951=348-160-166=444×2-828=478-117-39=420×2-213=224-136-78=855-(220+62)=961×3=172+114×4=819-49×4=294-16×6=182+191-209=14×(458-450)=418×2-414=680-(662-95)=91×8=917-106-488=416-380+65=455-325+277=357+(657-623)=243+216-40=694×2-715=270+22-131=377-(288+49)=3/5-2/5=622×(844-836)=91×7=681+731-660=858-137-178=476+202+696=854-239-586=678-26×2=87×5=449×(448-443)=114×5+155=362×2+204=127+396+190=416-107=183+102-112=636+119=707-215×3=470-(647-278)=567+770+956=78+335+181=3/5-1/5=222+91+227=511-23×9=169+251+536=146×3=767-437-322=104+788+73=379-224-103=885-59-457=52+279-79=316-(469-227)=51+295=169-(239-167)=137×(361-357)=327-(19+240)=456-386+45=403-216-25=356+431-270=489+366+610=289+451+150=132-(428-344)=690+863+341=360+349+50=170×(344-341)=64+213=812-157=230+160=124×9=712-208=458-48×5=80-(117-63)=519+309=370-40×4=206×6=19×(101-97)=134+(318-291)=818-99+571=995-748=163+(424-225)=306-(104+175)=84×6+449=234×2=954-55×2=497×9=709-38×6=819-(296+27)=404+427+326=244+254+849=223-137+226=322-(99+120)=625-72×7=669+296=307-(380-76)=287+(185-153)=656+460-35=392-(256-242)=198×4-592=967-(871-793)=218×4+924=424-(131+56)=358-144+257=815-627+583=303-124+256=3/7-2/7=359-169+12=255-(139-109)=4/5-1/5=173×3=701+113+708=87+229+41=1/3+2/3=487-(250+58)=304-225+527=813-16×5=748+815-590=24+48-35=130×2+360=540-(727-309)=237×2-411=66+764+46=421+90×4=378-106×2=79+452+452=927×(504-497)=134×3=738-85×6=46×9=142×7=參考答案883-110-197=576239+203-370=72123×6+646=1384391-(481-98)=8749-169-348=232105×9+523=1468890-(210+664)=16734-(355+50)=329438×9=3942984-18+795=1761400-43-326=31289-21×2=247240-90-72=78247-173-36=38416-192=224364-(175-169)=358815-151-405=259351×2-61=641541-209-315=17137+181-253=65150×4+29=629440-288=152459+582+38=1079437-88-162=187265-(72+72)=121308+342+453=1103200×(342-338)=800302-52-52=198168×2=336254+(492-305)=44186+74=16068×3=204366+(437-362)=441698+(343-43)=998560+310=870540-526+720=734473-335+65=203817-(410-139)=546299+686+503=1488218-(345-141)=14287-134=153568-104-224=240232+219×2=670379-71-110=19854×(54-50)=216369+(616-17)=96824+131+192=347167-12=15555-12×4=7815-90×7=18592×6=552366×2-260=472888×(56-52)=3552473-231=242727×5=3635327+(947-372)=902246+32×9=534144-(36+25)=83449-(261+19)=169744-371=373828×8-127=6497330×2-355=305320-142=178330+451×2=1232774-480-121=173783-722=61300+71-281=90202+(259-105)=356685+880=1565113-13×2=87478-299=179136+(206-91)=251818+197×4=1606621+534+166=1321745-561-42=142999-(317+652)=3068×7=476879-270=609163+132-261=34385+434×2=125396×9-700=164452-(331+77)=4446×4+370=554132+250-157=225234+195=429276-(721-472)=27644+532+795=1971663-(848-548)=363210-23-55=13281-(207-175)=49468+210=67847+308-65=290115-26=89106×(367-364)=318131+(967-532)=566537-(502-405)=440431-(54+372)=5492-318+108=282133+417×2=967162-20=142498-(296-294)=496451-(288-103)=266780-695=8560-(135-132)=5781+288-140=22986+683+179=948197+247-388=56776-168-445=163416+665=1081488-305=183273+(312-232)=353933-642+932=1223298-136×2=26810×(515-512)=2430282-39-90=153220×(20-16)=880920-(173+684)=63224×7-844=724336+779=1115795-40-192=563380-(108+268)=4122×8+840=1816344-178+615=781452+347+120=919871-(380-319)=810146+484×2=1114445-323=12263+67+72=202771+(383-50)=1104429-41×2=347359+83×3=608480+252×2=984280×3-616=224488-(410+43)=35355×6=2130860-655+945=1150890×6-292=5048690-108×2=474731-711=20228+178-32=374443-227-78=13872+219=291195+52+363=610127-(55+61)=11439-181-61=197456-(45+330)=81336+79×6=81020×(498-492)=120643-578+50=115435-103=332361-12×7=277251+101×7=958448-226=222925-526-258=141920+279-518=681224-44-19=161182-(164-55)=73159×4=636600+(835-566)=869208×2-263=153787+963=1750816-(701-588)=703435×(140-135)=217570-(238-233)=65800-(78+648)=74360-75-25=260324-196-61=67144×6=864193+244+10=447469-(154+296)=1981+100+659=840483-14×6=399255+75=330159×5=7952/6-1/6=1/6844-(156+474)=214737×(890-887)=2211327×2=654543-352+434=625220×5=1100443-(289-216)=370896×2-912=880109+424=53324×(483-480)=721/4+3/4=1906×4=3624812-(105+363)=344110×4-59=38125×9+25=250426+14-186=254660+771-297=1134668-81×8=20427+(190-54)=563418-215=203226-29=197484-(164+226)=94660-340-132=188713+(841-538)=1016224×4=896723×2-267=1179195-23×6=57595-(64+385)=146212+48+457=71790×3=270284-(223-86)=147544+317-609=252174+(489-233)=430115×4+341=801828-697=131154×6-224=700846+837-425=1258533+991-929=595605-(111+413)=81103-75+438=466445+(406-102)=749625+356-587=394107×(414-409)=535714+(456-392)=778174+(587-198)=563345-25-237=83203-45+650=80843+(481-296)=228566+272-392=446212+260-393=79856-93-239=524267-85+99=2817/10+3/10=1248×(656-647)=2232173+796=969618×(172-169)=185459-19=40638-35×6=428818×(963-960)=2454114×4=456274-224+173=223416-14×8=304980-(748-399)=631386-47×5=151369-164+189=394576+146=722860+(875-427)=1308230-185+153=198773-646+912=103980+404+379=863788+317-627=478120×4-358=122403-327=76191×4+664=1428702-178=524201+(318-118)=401206+137=343103+348+474=925137+176=313223+(151-138)=236737×3=221199×(333-328)=49562×6-267=105236+55=291114×(283-279)=456495-193×2=1095/8-2/8=3/8287-19+79=347419+101+167=687394+181=575610×(494-491)=183097+203=300691+138-387=442508-181=32783×6-176=32243×(965-957)=344305×3-669=246103+(532-153)=482847+908+221=1976951-199=752328×5-267=1373109+347=456697-195+552=1054322+(798-419)=701448-178-263=7561-10×9=47180×(310-301)=720547×5=273560×3+482=662375+(394-239)=530826-552=274489+444-311=622553-50×5=303402-10×4=362944+809=1753440-312-22=106133+188-136=185101+79=180931×(926-917)=83792/4-1/4=1/4264-(159+31)=74476-400=76112+414=5261/4+2/4=3/44/7+2/7=6/7890-19×6=776289-(375-230)=144165×6-969=21553-(44+344)=165963+115+959=2037392×2-196=588826-754=72164+(253-68)=349111×2+528=750428-280+79=227184-88-50=46450+824-452=82262×(94-91)=18647-(44-12)=1522×3+599=665528+(977-134)=1371131×3+933=1326235+526+762=1523122×3=366137×6-217=605325×(603-596)=2275847+156-355=648720-23×4=628320-84=23623+378-337=64157+(446-46)=557130+255=385238+789-241=786270+170=440333-(289+43)=1226×3+314=992488-(157+84)=247161-61=100301-238=63512+62-394=180294-236=58740-(944-630)=426462-417+47=9245×(485-481)=180275+233-71=437829-(984-714)=559579×3-297=1440454+345=799784×2-696=87227+(281-103)=205316×7=2212816+499-652=663486-(523-153)=116804×(176-169)=5628154+98+330=582133-(492-430)=7139+31×7=256464-342-75=47249×2-34=464182×(286-283)=546183+150=333600-(303+29)=268273+(205-76)=402497-488+105=114790×7=553050+38+372=460196-72+581=705466-295-117=54137×(127-122)=685232-117=115931-(157+179)=595117×(727-723)=468417-19=398928+877+716=2521340×2-327=35332×3=96395-272=123668+196=864934+776+687=2397285-(49+229)=724×(806-802)=96123-(163-123)=83349+417=76658+316-172=202968-737=231108-(85-23)=46223×5-879=236670×(447-442)=3350236-75×3=11188×(85-82)=564712×3=2136208+75-125=158855+263-524=5943/6-2/6=1/6655-(213+427)=15437+(391-235)=593653-480=173952-(655-95)=392970-53×2=864570+354=924457×(295-289)=2742177+317=494353+75-310=118397+299+728=1424235+108×3=559193-18×8=49290-165=125213-32+45=226939-(442+188)=309156-(304-286)=138740-521-84=135189-20×6=69439+449+46=934312+90=402689-13+486=1162352-(89-36)=299340-304=3683×(345-342)=249192×6=1152319+410=72991+(576-504)=16386+349-23=412831-(78+407)=34657×8+251=707333×9-746=2251239×2=478292+80+595=967542-(196-175)=521439+96×8=1207740-699+885=926502-429=73303+158+523=984494×2-346=642442-37+36=441485-(16+282)=187903-425+105=583796×(281-273)=6368713-35×4=573430-353+293=370755-21+203=9373/7-1/7=2/72/9+3/9=5/996×3+211=49972+387=459295×2=590135+154=289191-117=74426-10-266=150830×2-737=923881×(857-853)=3524627×(290-287)=1881912-374×2=164642×2=1284828×(485-478)=5796838-261-165=412421-(851-480)=50894+(573-88)=1379374-258=116126-41=85454+12×3=490200+651=851922-800-116=6103+114=217772-(93-88)=767497-(131+169)=1971/6+4/6=5/6640×3-536=13845/8-1/8=4/8286-168+111=229290×2=580485×5=2425909×(786-782)=36363/8-1/8=2/8119-56=63320+211×3=953125×5-303=322186+279=465206-192+146=160258-(78+130)=502/7+3/7=5/7414-213=201123+131×2=385479-68-269=142251-15+111=347357-21×8=189240+(642-546)=336307-13×3=268294+379+182=855310-(418-155)=47471-425-34=12182×5-57=853122×7=854604×4=2416188+955+225=136889×9-242=559796-51×9=33714+482-124=372464×3-707=685455-449+138=14435×9-169=146343+62=405274+291+57=622281×9-562=196723×9+928=1135555+605=11601/8+6/8=7/8586-(238+196)=152375-55+798=11185/7-1/7=4/7226-(310-188)=104241+(61-41)=261358+22-157=223540+183×5=145597-77+93=113232-107=125352+706-234=824315+147×2=609510-(480-76)=106292×9=2628665×7-411=4244937-(744-214)=407134×3+621=1023988-(678+20)=290165+259=424265-56×4=41283+(499-217)=565479-156-260=63944-(610-572)=906346×5=1730686-234+713=116587+439×2=965633-(608-134)=159521-50×7=171829×6-154=4820443-(473-219)=189541-(529-216)=228881+578+680=2139903-318×2=26783+183+516=782260-(48+23)=189478-93×3=199288×2+418=994103+579+65=747225-(70+26)=129463-(315+110)=381/7+5/7=6/7492×(633-627)=2952626-114×5=56105+335-298=142133×3-162=237396+(239-140)=495966-290+888=1564625+(679-192)=1112371-55×4=151225×3=675176-135+81=122582+(706-98)=1190839+510-230=111980-15×3=35336×2-222=450146+300-308=138285-102-69=114452-(917-775)=310148+(516-111)=553862-23-821=18167-(246-95)=16418-(45+223)=150618+282-477=423226+123=349379-68=31114×6+263=347428-129×3=41733-227+10=516325-(346-198)=177482-315+255=422360×2+492=1212509-(339+166)=4164-91=73577+(475-94)=958830+802=163296×7=672116+186=302124+72-154=42338×2-435=241173+323-217=279145-42+116=21965-(389-341)=17562-471+623=714404-(205+113)=86463-(273+127)=63147+206=35360×7+259=679474-127+40=387740-740+352=352758+655=141399-43+74=130219-42-50=127465-(86+256)=123166×3=498559-50-236=273648+(433-286)=795231+105×3=546456-122×3=90134×4-450=86964-(591-173)=546474+(147-22)=599476-(337+49)=90799+87×4=1147842-420=422219+(202-120)=301444×2-439=449224+(496-434)=286434-29×6=26043×(210-201)=38725×4=100304+300=604735-(77+94)=56447×3+521=662722+42-428=336828×9-343=7109523×9=4707157+207+535=89996+94=190499-(153+294)=52255+93×8=999831×2-105=1557970-433+598=1135588-393=19576×(456-447)=684889-256×3=121752-377-65=310498×2+505=150168×(331-322)=612893-543-169=181441-289=152140-27-39=74167×2-94=240976-228=74896+19×7=229141+129=270368+234+69=671172-87-48=3775+166=241264+184=448883-(582-86)=387320-27×9=77630-65-491=74181+153+617=951222×5=1110336-40×2=256941-(247+52)=642177×(492-488)=708725+(796-271)=125031×(441-434)=217102×(219-216)=30690×(104-96)=720365+93×4=737200+921+938=2059280+206=486398-(22+175)=201293×2+202=788508+379×2=126657+(409-347)=119292+(300-57)=535748+(917-325)=1340406-205=201162×(454-451)=486258+211-254=215874-(703+102)=69369-213-83=73325+125+361=811173+953-407=71938×8-285=19397+68+31=49692×4=368188+(868-105)=951987-44×5=767959-(247+709)=3437+934+904=2275544-114-383=47234+(286-154)=366183-(109-30)=104999×(682-679)=2997374-(179+62)=133797+(703-533)=967139×6-36=798301-43×3=172316+694-327=683441×2-637=245106×3=3185/8+3/8=1377-242+90=22517+147+199=363490-52×7=126280+82×2=44480×7-422=138678-491=18793+(247-56)=284564-(542-309)=33131×9=279455×2-301=609323×(763-754)=2907244+21×7=391107-47+237=297505+325=830271+143=414477-11×8=38952×5+368=628492+(932-843)=581777×8-914=5302273×3=819224×4-207=689498+949=1447999+(476-306)=1169415+39-67=38716×7=112107×(905-90