三年級數學(上)計算題專項練習附答案集錦57×6+494=87×7=446+308-717=178-115=464-(155+189)=456×2=89×5+298=107×3+208=415-(171+193)=384×5=422+(100-36)=744-(794-287)=386-(149+237)=120×(977-971)=507-163×2=375-(21+58)=59×(293-285)=235+155+21=294+(523-80)=357-150=653+(418-325)=709-332+187=3/6-1/6=17×8=910×8=918+727+900=442×(322-319)=548+704=906+115×7=436-72-86=934+813=243+95+254=490+(396-345)=325-74=929-17×9=397-(94+145)=221+(860-726)=283-86=980-482-410=682-662+669=354+18-132=106+39=212×4-104=36×(52-48)=657+(845-181)=4/9-3/9=176-(411-404)=568+(970-401)=464+(925-535)=691-652+17=991+389+671=459-27×3=819-184+103=431-(369-327)=213+128+657=941-636=148+211=359+175×3=386×(259-256)=459×2-474=282-(402-361)=188×3-25=881×5=429-(280-172)=312×4-721=146+233=335-(565-434)=254-17-15=48×4=408-(410-330)=151×5=128+(586-218)=248-60+311=362+587=72-(311-276)=86+73+23=171×(233-230)=5/9+2/9=60+291=285-32×6=141-50=497-256-40=29×3=327+(493-445)=497-28×4=258-54×3=93+364×2=897-(865-445)=608+287+619=185+103-200=11×(445-437)=807+952=973+115-921=788-(20+661)=4/10-1/10=380+712+445=37×9+85=397-161=942-61×2=74×(286-279)=29×5=358-(56+181)=49+341+22=535-51-155=390×3=314-67-47=293+80=201-71-83=246-101=467-(197+230)=841+811-500=442-45-207=248+238=276+146+75=219+595+80=487-471+137=35×(28-21)=279+211=154+174=602×2-607=72×(495-490)=141+122-179=642×2=99×3=399+997+849=771-(170+241)=273+(581-432)=100+377+409=925-(510+407)=268×9=743-71×5=778-130×3=164×5-464=481-29×5=967-234×3=915-251=73+74+555=820-287-172=890×4-922=153×5-752=81×(408-401)=308×3=688-427+786=422-(16+65)=125×5-196=534-426=859-357-167=389-33=199-27×7=126+141-67=466-352-57=251-226+50=643-252-204=153+(275-172)=499-103×4=836-(638-249)=222+128-312=237+216-309=546×(86-83)=588+(638-459)=175+175-315=39×6+290=624+920-682=382-57=965-(345+120)=175+219=64×5-195=159×4=168×(101-95)=961+125-446=374+32-40=895-(583+40)=446-180+46=257+221=309-217=388+24×6=418-(353-155)=74+351×2=441-147×3=571-11+503=157×6+897=969+100-928=347+669=359+381=2/6+4/6=280-268+335=898-830=670+950-528=124×(19-12)=925-208-298=176-(26-16)=386-99=341+311-106=37+(481-376)=116-21×5=671+97×6=594×7-248=415-(131-27)=789-104-491=154×6-31=453+141+395=253+(417-402)=701+69×7=279-58-146=42+(378-167)=867-126×4=882×9=12×(331-327)=717×3=469-239+185=384-138×2=768×9=639-63=355-(17+260)=341+(407-157)=511-82×5=433-71-87=640-188+140=71+364=385-177-64=410-(267+92)=4/10+6/10=860-(303-235)=360+(483-52)=71×3=116×(83-77)=249×(301-298)=282-24×7=137+218+478=329-18-66=272-216=896-148×4=441-278=49×(341-338)=689-85+629=217+(311-132)=207×3-123=260+114=403-(92+142)=913-(59+669)=868×8=332+118-45=203-57=542×8=890×6-817=910-(262+409)=163×8-568=705+858-34=252+584+113=646+99+653=480+(397-242)=991+646+225=209×3=299-231=81×3=28+51×2=387+134×3=312+839+972=860×(471-468)=75×2=349-38-290=76×4+468=17×(232-225)=919×(443-436)=522-(165+56)=265-175=844-(978-522)=260×3-414=630-311×2=718+425+184=975-(500-298)=190-(665-544)=519-144=321-(298-296)=727×3=957-131+933=945-599+18=133+195=118×(22-17)=67×7=324-10=900-(409-153)=718-(852-430)=948+210+487=612-18-63=207-102×2=214+167=624-281+56=230+61-118=389+50+175=969-(412+313)=383-(529-212)=292×(67-61)=161-26×3=425-(142+43)=183-37×3=230×6-261=458+52+148=389+221+283=391×8-77=59+352+191=426×2=456-87-361=24×(381-372)=315-(128-70)=215+46-76=562+41×8=416×3-193=203+80×4=176×3=551×9=485-430+437=366-136-153=336+77-128=5/8+2/8=848+(531-106)=201+193-275=969-673-295=293-122×2=265-63×3=373-28×9=206×4+451=341-144+193=741-(423+90)=627-169+905=181×(362-356)=350+121-412=422-(489-99)=262-78×2=713+867-451=381-(139+92)=147×(18-14)=261+950+589=150+(271-93)=192-(283-110)=242×2-366=271×3+100=324+(492-222)=150+101×4=811×2-222=361-316=304+79=2/6-1/6=48+(305-186)=476-(279-52)=132+92=40×4+77=875-254×2=249-(392-203)=6/9-3/9=850+84×2=785×4=68×7+942=760×9-15=83+(512-187)=232×2+675=207-200+228=744+422-415=158-56-12=585×(462-455)=263×(281-277)=397×(530-522)=101+597=436-249+700=181-13=679-299-170=505-286+471=323-12×7=972-818=262+124+247=303+154+488=72×7+116=440×2=109+326=429-106×4=218-(329-276)=131+(74-44)=299+(257-145)=94+408=432+278×2=807×9=137×6-507=372+278=604-(142+282)=399-242=350+121=30×(374-365)=109-28=485+830+85=320×(61-54)=144×4-195=867-141×4=58+388+56=86-(338-288)=351-(83+177)=866-676+861=1/5+2/5=400+940=230-22×9=297+197=31+248-80=107×7+157=471-(286+78)=806+(822-761)=288+121=970-495=866×5=418-(850-613)=298×3+822=771-(332+70)=643×2-668=215+97=132+202=200×7=357×2-255=289-131-119=526-371=382+204+71=164×3=793×5=794×6-258=156×7=747+462+117=554-(930-853)=723+137×3=564-215+841=325×3+93=28×8=755×9-406=879×5-837=854-270×2=185+133-97=367+43×2=115+50=62+348-294=132×(247-240)=243-150=911-557-270=493-477+270=171×(178-175)=454-131=561+(79-10)=162-15×3=288-113+151=327-(35+18)=98×(186-183)=324+67+334=861×4-855=424+71×8=176-73×2=978-604-96=869-309=452+430=7/10+3/10=122×(129-124)=24+51×2=277-(645-493)=454+42+858=89×8-177=372-146×2=393-260=514-(716-313)=821×4-221=136-(134-41)=239-50+292=821-571+63=355-145+20=485-301=387-48-67=465-(233-178)=2/5-1/5=630+758=276-(389-156)=219+193-378=474-102-171=768-44×3=79-28+914=750×6=68×(41-32)=435×(869-862)=16+362-331=216+19×2=18×3+270=391-12×6=400+(202-27)=995-17×9=150×4-272=487+(492-453)=165+(789-199)=43+861+573=3/7-1/7=436×2+94=486-41×4=995-277-452=428×2-444=311+(909-150)=127+491=345×2+86=36+446-150=957-(470+383)=154×8-117=753+(411-369)=516+107×8=39×8=356-(392-164)=930-169-444=544×3-821=863-(536+43)=216-19×4=592+(970-950)=307+73=584+396-545=444-91×2=308+73=299+250×3=475-(263+67)=833-797+204=89+144=478-134-334=956-158×4=245+(418-203)=566-25=369-(40+313)=453-156-166=113×8-349=174+68=238+819-712=290-183=879+(421-283)=913×7=203+224=722×9-277=399-(127-73)=258×2=28+459-128=210-39×3=783-(548-117)=313-80=475×8-270=250+78=264+162=494-(861-538)=476-(463-302)=498-(728-696)=327-(19+52)=987-686+561=763×9-164=634-218=240-(477-463)=73+93+543=495×2-284=491-207×2=7/9-2/9=3/6-2/6=355-331=4/7+3/7=518-202=216+192=412-193-116=405×3-663=416-(402-307)=408×2=135×(123-116)=317+789-563=136×3-218=157-95+970=94×2-89=61+66=229-(338-310)=489-249+198=536×(724-721)=464-(272-76)=451-193×2=840+395+641=375+376=635+956+768=958-857+859=493-221=222×3=406×2-83=278+476+112=476-36×6=176+193×5=961-87-215=644×(827-818)=98×5=157×(77-72)=366+156=252+38+350=117×(210-205)=348-116-231=609-(248+167)=334×(130-123)=184×3+602=486-(90+45)=468+400+27=58×8=248-162+984=177-(39+119)=247-89=651-(485+94)=884-321-208=157×6=253+168+16=196+298-251=953-(37+892)=405-(228+87)=729-(919-591)=828×3-497=61×5=67+217+403=106+110-115=87+326=357+(400-94)=200+(243-230)=400-(180+116)=280+(540-375)=84×(411-408)=346-(276-63)=47+437-384=214-97-50=379-333+239=956-723=531+34+304=328-(246+14)=767-328-380=51+41×7=747+164+184=281+(306-93)=977+906-739=439-68-157=661-(126+167)=97-57+206=825+474=120×(775-772)=278×3-478=762-311×2=332×2-195=166×5-481=470-312=456-(121+146)=588×(515-509)=396+81+436=838-(263+134)=918+33+390=31+370-190=322-231=1/7+2/7=82+(178-20)=567+211×4=988-(601+193)=707+512-405=663×4-667=906-121×5=430+(239-191)=981+460-807=359+(735-153)=617+718=568+(755-388)=869-(769-516)=999-274=870+314=161×2+140=205+(379-11)=456-138=321+(368-91)=666-50×5=143×(422-416)=955×(624-616)=278×3=396×2=154+105+289=885-446=482-90-42=471-232+46=80+269-25=219-(89+18)=298+(198-191)=836×(753-745)=256×4=33×7+473=334-53+789=550-455=869-(134+428)=90×3-115=725×(318-309)=177×3+116=705×2-146=588-174-342=631-(138+49)=208+492+184=262+(543-71)=222×2=435-246+231=785+(694-290)=330-142=35+228-101=208×4-731=182+(380-65)=81+46×4=536+183×4=202-194+392=252×(164-161)=194+(934-50)=849+957-861=314+(306-79)=627+358-564=419-355+38=266+116=842-198+216=487-(38+83)=437-303+105=949-17-419=359-74×2=450-330+246=669×(493-486)=745+746-268=180+139+14=257-179-42=83+312=351-193+274=384-(88+28)=366-85×4=205+(365-188)=1/5+3/5=409×(179-171)=73-(212-208)=842-(598-561)=396-180=209+(230-90)=374-103+30=811×(258-251)=370×2+33=176+21+665=833-52-547=148+761+24=914-13×7=136×5-374=6/8-1/8=733-268+674=418+56-96=136×5+221=788-400=108+156=968-(83+384)=135+92=1/4+2/4=691-125×4=425-76=22×2+773=488-23-171=368-(46+89)=131×4=256×(415-410)=277-(362-117)=473-340=956-(421+159)=385+68×5=848-(706-581)=383-114=85-18+230=543+750-716=481-(64+46)=197×4+830=223-(120-84)=257-(496-384)=244×2-119=3/8-1/8=387-196+50=431+86×5=430-397+338=15×3=180-(215-206)=159×5+202=90×9-211=6/10+3/10=680-624+459=553+670+278=93-(467-451)=445-58×7=928+849-695=204+44-152=428-74-234=237×(257-254)=408-150×2=520-(943-882)=385+78-443=468-(294+52)=949-303-134=371×7=234-(13+48)=568+367-119=3/7+2/7=276+134-12=175×4+586=70+296=966-282×2=369-43-272=405-379+213=271+805+802=723-443=338+145=288-115×2=499+81×4=710-429-112=629+976-615=364-265-10=144×2+89=366-202+513=108×(149-146)=967-(352+52)=861-15-493=336-319+330=365-354+483=506×8=164×6-556=390+544-345=220+176+157=26×(218-213)=596+855+13=648+(773-623)=352+888=606+(505-302)=300-42-68=823-183×3=630-295-281=442+46+484=353×(542-538)=312×3=74×7=434-118-303=403-123=182+114-63=435+941-972=320+11×2=228×2=563-(319+240)=923+973-91=195-(14+62)=227-(158-49)=448-14-130=313+(482-34)=4/6-1/6=975-(606-311)=242+60=396-179=125+(346-126)=810-70-217=913+336+968=337-201+62=95×5-141=631+(399-292)=210×4-747=79×(21-18)=189-182+209=124+844+831=915-(749-245)=157×5-741=646-236=932-459-113=197+97=58+835-532=235-(50+151)=806-76-425=參考答案57×6+494=83687×7=609446+308-717=37178-115=63464-(155+189)=120456×2=91289×5+298=743107×3+208=529415-(171+193)=51384×5=1920422+(100-36)=486744-(794-287)=237386-(149+237)=0120×(977-971)=720507-163×2=181375-(21+58)=29659×(293-285)=472235+155+21=411294+(523-80)=737357-150=207653+(418-325)=746709-332+187=5643/6-1/6=2/617×8=136910×8=7280918+727+900=2545442×(322-319)=1326548+704=1252906+115×7=1711436-72-86=278934+813=1747243+95+254=592490+(396-345)=541325-74=251929-17×9=776397-(94+145)=158221+(860-726)=355283-86=197980-482-410=88682-662+669=689354+18-132=240106+39=145212×4-104=74436×(52-48)=144657+(845-181)=13214/9-3/9=1/9176-(411-404)=169568+(970-401)=1137464+(925-535)=854691-652+17=56991+389+671=2051459-27×3=378819-184+103=738431-(369-327)=389213+128+657=998941-636=305148+211=359359+175×3=884386×(259-256)=1158459×2-474=444282-(402-361)=241188×3-25=539881×5=4405429-(280-172)=321312×4-721=527146+233=379335-(565-434)=204254-17-15=22248×4=192408-(410-330)=328151×5=755128+(586-218)=496248-60+311=499362+587=94972-(311-276)=3786+73+23=182171×(233-230)=5135/9+2/9=7/960+291=351285-32×6=93141-50=91497-256-40=20129×3=87327+(493-445)=375497-28×4=385258-54×3=9693+364×2=821897-(865-445)=477608+287+619=1514185+103-200=8811×(445-437)=88807+952=1759973+115-921=167788-(20+661)=1074/10-1/10=3/10380+712+445=153737×9+85=418397-161=236942-61×2=82074×(286-279)=51829×5=145358-(56+181)=12149+341+22=412535-51-155=329390×3=1170314-67-47=200293+80=373201-71-83=47246-101=145467-(197+230)=40841+811-500=1152442-45-207=190248+238=486276+146+75=497219+595+80=894487-471+137=15335×(28-21)=245279+211=490154+174=328602×2-607=59772×(495-490)=360141+122-179=84642×2=128499×3=297399+997+849=2245771-(170+241)=360273+(581-432)=422100+377+409=886925-(510+407)=8268×9=2412743-71×5=388778-130×3=388164×5-464=356481-29×5=336967-234×3=265915-251=66473+74+555=702820-287-172=361890×4-922=2638153×5-752=1381×(408-401)=567308×3=924688-427+786=1047422-(16+65)=341125×5-196=429534-426=108859-357-167=335389-33=356199-27×7=10126+141-67=200466-352-57=57251-226+50=75643-252-204=187153+(275-172)=256499-103×4=87836-(638-249)=447222+128-312=38237+216-309=144546×(86-83)=1638588+(638-459)=767175+175-315=3539×6+290=524624+920-682=862382-57=325965-(345+120)=500175+219=39464×5-195=125159×4=636168×(101-95)=1008961+125-446=640374+32-40=366895-(583+40)=272446-180+46=312257+221=478309-217=92388+24×6=532418-(353-155)=22074+351×2=776441-147×3=0571-11+503=1063157×6+897=1839969+100-928=141347+669=1016359+381=7402/6+4/6=1280-268+335=347898-830=68670+950-528=1092124×(19-12)=868925-208-298=419176-(26-16)=166386-99=287341+311-106=54637+(481-376)=142116-21×5=11671+97×6=1253594×7-248=3910415-(131-27)=311789-104-491=194154×6-31=893453+141+395=989253+(417-402)=268701+69×7=1184279-58-146=7542+(378-167)=253867-126×4=363882×9=793812×(331-327)=48717×3=2151469-239+185=415384-138×2=108768×9=6912639-63=576355-(17+260)=78341+(407-157)=591511-82×5=101433-71-87=275640-188+140=59271+364=435385-177-64=144410-(267+92)=514/10+6/10=1860-(303-235)=792360+(483-52)=79171×3=213116×(83-77)=696249×(301-298)=747282-24×7=114137+218+478=833329-18-66=245272-216=56896-148×4=304441-278=16349×(341-338)=147689-85+629=1233217+(311-132)=396207×3-123=498260+114=374403-(92+142)=169913-(59+669)=185868×8=6944332+118-45=405203-57=146542×8=4336890×6-817=4523910-(262+409)=239163×8-568=736705+858-34=1529252+584+113=949646+99+653=1398480+(397-242)=635991+646+225=1862209×3=627299-231=6881×3=24328+51×2=130387+134×3=789312+839+972=2123860×(471-468)=258075×2=150349-38-290=2176×4+468=77217×(232-225)=119919×(443-436)=6433522-(165+56)=301265-175=90844-(978-522)=388260×3-414=366630-311×2=8718+425+184=1327975-(500-298)=773190-(665-544)=69519-144=375321-(298-296)=319727×3=2181957-131+933=1759945-599+18=364133+195=328118×(22-17)=59067×7=469324-10=314900-(409-153)=644718-(852-430)=296948+210+487=1645612-18-63=531207-102×2=3214+167=381624-281+56=399230+61-118=173389+50+175=614969-(412+313)=244383-(529-212)=66292×(67-61)=1752161-26×3=83425-(142+43)=240183-37×3=72230×6-261=1119458+52+148=658389+221+283=893391×8-77=305159+352+191=602426×2=852456-87-361=824×(381-372)=216315-(128-70)=257215+46-76=185562+41×8=890416×3-193=1055203+80×4=523176×3=528551×9=4959485-430+437=492366-136-153=77336+77-128=2855/8+2/8=7/8848+(531-106)=1273201+193-275=119969-673-295=1293-122×2=49265-63×3=76373-28×9=121206×4+451=1275341-144+193=390741-(423+90)=228627-169+905=1363181×(362-356)=1086350+121-412=59422-(489-99)=32262-78×2=106713+867-451=1129381-(139+92)=150147×(18-14)=588261+950+589=1800150+(271-93)=328192-(283-110)=19242×2-366=118271×3+100=913324+(492-222)=594150+101×4=554811×2-222=1400361-316=45304+79=3832/6-1/6=1/648+(305-186)=167476-(279-52)=249132+92=22440×4+77=237875-254×2=367249-(392-203)=606/9-3/9=3/9850+84×2=1018785×4=314068×7+942=1418760×9-15=682583+(512-187)=408232×2+675=1139207-200+228=235744+422-415=751158-56-12=90585×(462-455)=4095263×(281-277)=1052397×(530-522)=3176101+597=698436-249+700=887181-13=168679-299-170=210505-286+471=690323-12×7=239972-818=154262+124+247=633303+154+488=94572×7+116=620440×2=880109+326=435429-106×4=5218-(329-276)=165131+(74-44)=161299+(257-145)=41194+408=502432+278×2=988807×9=7263137×6-507=315372+278=650604-(142+282)=180399-242=157350+121=47130×(374-365)=270109-28=81485+830+85=1400320×(61-54)=2240144×4-195=381867-141×4=30358+388+56=50286-(338-288)=36351-(83+177)=91866-676+861=10511/5+2/5=3/5400+940=1340230-22×9=32297+197=49431+248-80=199107×7+157=906471-(286+78)=107806+(822-761)=867288+121=409970-495=475866×5=4330418-(850-613)=181298×3+822=1716771-(332+70)=369643×2-668=618215+97=312132+202=334200×7=1400357×2-255=459289-131-119=39526-371=155382+204+71=657164×3=492793×5=3965794×6-258=4506156×7=1092747+462+117=1326554-(930-853)=477723+137×3=1134564-215+841=1190325×3+93=106828×8=224755×9-406=6389879×5-837=3558854-270×2=314185+133-97=221367+43×2=453115+50=16562+348-294=116132×(247-240)=924243-150=93911-557-270=84493-477+270=286171×(178-175)=513454-131=323561+(79-10)=630162-15×3=117288-113+151=326327-(35+18)=27498×(186-183)=294324+67+334=725861×4-855=2589424+71×8=992176-73×2=30978-604-96=278869-309=560452+430=8827/10+3/10=1122×(129-124)=61024+51×2=126277-(645-493)=125454+42+858=135489×8-177=535372-146×2=80393-260=133514-(716-313)=111821×4-221=3063136-(134-41)=43239-50+292=481821-571+63=313355-145+20=230485-301=184387-48-67=272465-(233-178)=4102/5-1/5=1/5630+758=1388276-(389-156)=43219+193-378=34474-102-171=201768-44×3=63679-28+914=965750×6=450068×(41-32)=612435×(869-862)=304516+362-331=47216+19×2=25418×3+270=324391-12×6=319400+(202-27)=575995-17×9=842150×4-272=328487+(492-453)=526165+(789-199)=75543+861+573=14773/7-1/7=2/7436×2+94=966486-41×4=322995-277-452=266428×2-444=412311+(909-150)=1070127+491=618345×2+86=77636+446-150=332957-(470+383)=104154×8-117=1115753+(411-369)=795516+107×8=137239×8=312356-(392-164)=128930-169-444=317544×3-821=811863-(536+43)=284216-19×4=140592+(970-950)=612307+73=380584+396-545=435444-91×2=262308+73=381299+250×3=1049475-(263+67)=145833-797+204=24089+144=233478-134-334=10956-158×4=324245+(418-203)=460566-25=541369-(40+313)=16453-156-166=131113×8-349=555174+68=242238+819-712=345290-183=107879+(421-283)=1017913×7=6391203+224=427722×9-277=6221399-(127-73)=345258×2=51628+459-128=359210-39×3=93783-(548-117)=352313-80=233475×8-270=3530250+78=328264+162=426494-(861-538)=171476-(463-302)=315498-(728-696)=466327-(19+52)=256987-686+561=862763×9-164=6703634-218=416240-(477-463)=22673+93+543=709495×2-284=706491-207×2=777/9-2/9=5/93/6-2/6=1/6355-331=244/7+3/7=1518-202=316216+192=408412-193-116=103405×3-663=552416-(402-307)=321408×2=816135×(123-116)=945317+789-563=543136×3-218=190157-95+970=103294×2-89=9961+66=127229-(338-310)=201489-249+198=438536×(724-721)=1608464-(272-76)=268451-193×2=65840+395+641=1876375+376=751635+956+768=2359958-857+859=960493-221=272222×3=666406×2-83=729278+476+112=866476-36×6=260176+193×5=1141961-87-215=659644×(827-818)=579698×5=490157×(77-72)=785366+156=522252+38+350=640117×(210-205)=585348-116-231=1609-(248+167)=194334×(130-123)=2338184×3+602=1154486-(90+45)=351468+400+27=89558×8=464248-162+984=1070177-(39+119)=19247-89=158651-(485+94)=72884-321-208=355157×6=942253+168+16=437196+298-251=243953-(37+892)=24405-(228+87)=90729-(919-591)=401828×3-497=198761×5=30567+217+403=687106+110-115=10187+326=413357+(400-94)=663200+(243-230)=213400-(180+116)=104280+(540-375)=44584×(411-408)=252346-(276-63)=13347+437-384=100214-97-50=67379-333+239=285956-723=233531+34+304=869328-(246+14)=68767-328-380=5951+41×7=338747+164+184=1095281+(306-93)=494977+906-739=1144439-68-157=214661-(126+167)=36897-57+206=246825+474=1299120×(775-772)=360278×3-478=356762-311×2=140332×2-195=469166×5-481=349470-312=158456-(121+146)=189588×(515-509)=3528396+81+436=913838-(263+134)=441918+33+390=134131+370-190=211322-231=911/7+2/7=3/782+(178-20)=240567+211×4=1411988-(601+193)=194707+512-405=814663×4-667=1985906-121×5=301430+(239-191)=478981+460-807=634359+(735-153)=941617+718=1335568+(755-388)=935869-(769-516)=616999-274=725870+314=1184161×2+140=462205+(379-11)=573456-138=318321+(368-91)=598666-50×5=416143×(422-416)=858955×(624-616)=7640278×3=834396×2=792154+105+289=548885-446=439482-90-42=350471-232+46=28580+269-25=324219-(89+18)=112298+(198-191)=305836×(753-745)=6688256×4=102433×7+473=704334-53+789=1070550-455=95869-(134+428)=30790×3-115=155725×(318-309)=6525177×3+116=647705×2-146=1264588-174-342=72631-(138+49)=444208+492+184=884262+(543-71)=734222×2=444435-246+231=420785+(694-290)=1189330-142=18835+228-101=162208×4-731=101182+(380-65)=49781+46×4=265536+183×4=1268202-194+392=400252×(164-161)=756194+(934-50)=1078849+957-861=945314+(306-79)=541627+358-564=421419-355+38=102266+116=382842-198+216=860487-(38+83)=366437-303+105=23