三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦459-(467-23)=165+130=473+205×2=212×4=486-388+68=364-222=824-97×7=269-131+222=364-119×3=342×7=241-149+152=77+581+315=101×8=99+51-33=308×5=208+105=44×2=300+(315-91)=381-95×4=649+139=971+933-133=238+159=107×9=95+195+95=419+765+359=488-209×2=250+12-50=918-115=376-(434-60)=134+207=170×4-143=302+174+10=281-104-24=339+38-323=356-(445-206)=198+188=488-(408-42)=406-176-117=285×8=946-209+32=900-878+128=440+355+144=246+(372-213)=233-120-35=628×(381-376)=406-265=875-(584-151)=463-(469-449)=411-118-281=617-64×5=71+132-49=397+65×2=660+548+852=117+342-67=890-(792-450)=405-(174+204)=293+195-122=246+146×2=468-13-101=377-(193+154)=248+128=723-42+58=424-229-86=231+70×3=652×3-111=119×(297-292)=901-250×3=129+327-135=159+927-740=906-149×2=159×4-625=215-(160-128)=76-68+279=204-(71+37)=487-68×7=504+748=339-(480-428)=582×3-774=207×3+246=147×2-67=128+(858-768)=354-57×3=124×(391-387)=864-(26+389)=250-(457-441)=516×3=453+35-394=540-(837-550)=554-238+268=377-52×6=133×4+332=2/7+3/7=713+615+944=472-30×4=681×9-685=266×8-862=183-156=850×7-411=470×(281-277)=542+25+198=517-208-107=279-(454-199)=120-93=902-41=722+588+245=762-242=866-613=214+(300-82)=344-219+147=964-650+753=47×7=820-47×3=33+38=787-345=902-473-69=335+653=462-(30+157)=668-275-138=87×5+56=802-152=148×3=557+969+862=726×(184-181)=734-(945-586)=331-(407-321)=232×4=307+34-189=321-10×9=927-87×9=602+668-144=475+(329-135)=31×3=538-(112+374)=152+459=432×4-590=969-65-437=98×(485-480)=383-79-149=652×(20-16)=740-42×6=286-(401-325)=86×(244-236)=429+(82-11)=547-(13+59)=126×5=879+500-508=932-(234+125)=587×7=859-(221+104)=795+117×3=377+(362-146)=621+486+605=960-(594+244)=953-509+483=457+(921-208)=10-(453-446)=184+240=206×2=833×8-179=746-637+349=826+200+86=477-127-145=510-(36-10)=834-267-192=63×5=331×3=108-96=443-199×2=968-595-102=776+78×4=268+248-229=273×6=86×7-592=878-842=458-(115+318)=554+190=183+584+175=157-(128-23)=159×3+277=380+748-421=803+(971-346)=6/9-3/9=61-27+215=756×7-551=860+(346-12)=298+129×6=321+55-149=987-40×4=464-382+353=320-36×3=21×(110-103)=255-(136+86)=746×(106-101)=143×3+486=408+(739-316)=176×3=23×3+811=726+950-461=410+44-385=157+200-355=978-(101+635)=922-366+53=296+71=3/6-2/6=848×(475-467)=141+218+324=345×2-311=169+219=178-13-90=5/8-1/8=280×2-209=687-448=14×(129-121)=106+14×3=990×(549-545)=393-(671-399)=91-(96-70)=172-38+175=22×(266-260)=653-(408+56)=3/5-1/5=187×5=449+(132-128)=327+(196-90)=139×2+497=108+889+422=171+124=346-125-83=634×(156-152)=138+63×3=476-(654-197)=293-214=745-156-579=606+178=367-352+133=209×3-423=404+(202-92)=65+(394-356)=283+951+675=781×8=57×6-210=442×2-227=173+246=913-610=30+113=1/5+3/5=610×(41-36)=407-69×2=361×8-593=892-205-212=326+486+110=722+903+908=775+341-468=237×4+209=347×2=600×(148-141)=4/7-2/7=463-388=209-70-136=219+272=419-53=292-232=111×7+60=264+269=917-854+588=525+146+127=396+24×3=509+303-697=322×3+689=322×(563-557)=973+816-64=5/8+2/8=133+49-164=830×(939-930)=435×(652-643)=153+269-226=669+(367-296)=542-151+201=280×(108-105)=900-(257+617)=442-137-256=911-514=59+426-36=177×2=947-558=296+976=484+208×2=326-147×2=407-43×3=445-18×4=887-379+216=663-93-537=103-22×4=366×2-79=918-244-606=23+(206-102)=204-115=89×7+133=488-109-273=136-(74-43)=834+(455-267)=602-135+519=181+133=331+(505-306)=445+370-675=324×2=6/10+2/10=124+(814-777)=235×(613-605)=389×9=289-(43+164)=417-161+176=798-18-133=306-(60-13)=773-540=25×9=194+179+371=676-(654-487)=114+58=254-(487-453)=910-861+62=452×2=200-167+370=542-(590-264)=346-41×3=497+82×7=123+474+176=211×9=841-(502+256)=184×2+322=397-(651-491)=936-89×7=660-38×7=318-93+912=300-52-212=306-178+322=810×(893-885)=971-(881-874)=31×8-131=228-(312-138)=478-(214+159)=526-(549-191)=4/8-3/8=48+(301-55)=664+633-269=259+(434-397)=732-48×5=819-(281+327)=1/4+2/4=215×2+171=59×5+830=441+105×5=457-(398+46)=947-(809+33)=40×(261-255)=245×(931-926)=121+120-97=219+883+26=110×2-66=839×3-565=812-519-110=969-(382+556)=944-(247+433)=114+137+172=169+106×7=211×4-486=17+167-142=429+724-586=779-497+581=255×3=493-(107+283)=220×(271-267)=2/4-1/4=335-(423-184)=941-(89+836)=212+403+191=1/6+4/6=429-(175+41)=129+87×8=153+324=721-(997-868)=977-(626+34)=486×2-580=484+635+22=440×(254-247)=47×3+534=90+15=540+204×2=754+141×3=202-(497-434)=399-52=684-250=329-168+220=577-(233+229)=865-346+325=274-48×4=67×8=295-(83+194)=699+(886-514)=224-138+253=667-403=425-(43+371)=997-310=420-60×7=127×(130-123)=49+574+60=384-244+189=697×7-887=196×(216-211)=31+(240-233)=397-36-235=112×3=391×2=476-(209+107)=157+212-72=1/7+5/7=6/8+2/8=183-89=484×2-138=592×(529-526)=719-(555-18)=881-156×5=299-28-121=402+19+401=346-183-107=264+234=556+(502-95)=898×2-860=710+986+568=34×(46-38)=582-323+596=17×(117-112)=283×2=549+(815-650)=394-(98+220)=279-124=696+859-826=483-218=925-(402+429)=195-(92+93)=290+186-195=387×2=812+254+930=544+211=257-(400-336)=616+882+242=106×(91-88)=348×2-268=380+(854-176)=81+43=540-(50+426)=489-72=688-158=31×3+615=656-(526-155)=56+123×5=415-(29+164)=100×(488-485)=328×6-836=226-77=401-(205+176)=32+(182-86)=495-230=454-171-126=250-(29+57)=178+339+27=75+109=401-308-62=81×(27-18)=220+94=480+245=143×3=241×6-534=740+452-714=652+836+131=356-(47+13)=661-266×2=274+125-286=267+85×3=200-(231-66)=499-330+911=677-(933-512)=812×7-375=47+260=882-376-256=832+770-104=77+741-709=184+710-549=89+37-87=608×(628-623)=506+435-807=903+153+698=95×(303-295)=357×(709-702)=390×2=869-416+872=984+879+706=195+912+547=2/6+4/6=195×8=331+(457-121)=168×2=353+(424-146)=216+(969-132)=356+152-268=299-(219-189)=146+235-258=475-402=696-370-131=36+199=937+971=279-150=191×(171-166)=537-14×5=451+(439-202)=454-203-212=851×9=457-(262-23)=117+56×8=64×(72-63)=65×6-324=475-(643-197)=615+110+183=244-(317-244)=96×6-34=254-196+32=460-(169+204)=460-(14+311)=399×9-116=3/8-2/8=395×2+76=441-14=801×(426-420)=280×(997-994)=370-(650-300)=123×(341-337)=30+(91-20)=72+180=499-223=473-368+508=27×(265-257)=401-264+156=971-153-374=184-23=712×8=3/7+4/7=179+(395-306)=172×5-848=979+572-78=804-(756-535)=144×9=751-320+784=152-114=720×8=435-(71+241)=779-592-74=371+704=477-(377+48)=412+(416-224)=207-(576-461)=479+373=423×4-266=472-202-136=357-37×5=719+(508-30)=354+(576-11)=117+251-93=55+(483-244)=771-450-13=238-99-16=52+194-38=121+209-318=719+293+530=217-185+326=400+79×5=283-219+35=881-177+591=803-64×8=227-115=179-126=184+(497-66)=248+82=228×2-308=442×2=484+(363-66)=293-10=337-173-107=462×(213-208)=190-12+81=250+361+122=927×(775-769)=241×2=329-(297-258)=409-(318+71)=108+(100-80)=17×2=763+327×3=864-25×6=271×(883-879)=413-128=109×6-300=183-14=753×5=940×6=472×4-480=616+906+608=114×(383-375)=217-63×2=357-71×2=444-64-321=459-255-107=826-628-81=253+488=493-156-284=87+(715-594)=783-607-163=318-20×4=350-(339-153)=680×6=69×(416-407)=490-(19+126)=139+215=64+237-108=468-110×3=403×4=119+218=273+(970-804)=388+121×2=12+(333-166)=776-340-179=289-39×5=329×6-801=72×7+103=691-24+367=476-84×5=682-(608-140)=85×(368-360)=177×5+74=35+589+427=78×7+369=111×5+391=344×2=179×3+983=195+238=259+814+936=462+(405-385)=333+39-206=879-(539+286)=901×2-398=359-102×2=33×3+212=80-30+378=351-40=694-516=733-106-129=552+970+776=37×2+330=153+(127-106)=767-724+775=264-(321-58)=4/8-2/8=623-140×3=37×(476-472)=879+483=133×(255-251)=35×(380-372)=634-210=53×(500-496)=113+295=397+779-759=797-310-352=281×9-416=379+(856-128)=530+199×4=439+880=113+943-124=19+178+570=357+417=692+(278-85)=301×(304-301)=209-(256-133)=285×2-473=476-262+49=136+123×2=394×6-837=289+59=435+(156-53)=210×2-11=960-796=429-(404-76)=284-268+315=630×8-89=395-20×8=751-392=429×2=210-34×4=473-344+280=202+55+715=484-250+544=1/6+2/6=356+53×2=712-13×6=176-133+11=558-389-83=932+(664-662)=105+(681-101)=371-250+160=632-(565-22)=25×3+739=686-10+383=63+120=927-438×2=725×8-526=393×5-255=446+79×7=377+90=435-(60+44)=221+50-115=539×8=887-462=265+(944-670)=689+617-202=367+(455-370)=27×(71-64)=809-402×2=178×2=43+(224-208)=101+493=285+116=104×9-208=165-(300-181)=995-(838-567)=74+246=996-113×7=217-119=164×4+205=854-536+247=23+408+252=390-60×3=433-(121+166)=180+(320-60)=755×4=789-234-198=880-379+820=265-14+158=903-(564-444)=439-(253-252)=992-(176+813)=827-331+695=382-101-157=255+22+298=124×5-379=21×5+310=276+(254-214)=237+220+302=677-240-168=370+379+138=981×3=51+121=574+228+454=595-165×2=116×(24-15)=141×2+465=323-43×6=587×9-91=970-(558+196)=422-(85+330)=389-271-45=669-(438-104)=336-228+360=429-98×4=461-(373-69)=517+382=246+264×2=265-34×5=352+111-199=2/7-1/7=449×2+928=55×4-191=437-24-57=713+97×5=127×4-445=383-327+231=462+73+207=315×3=368-(750-394)=416-(170+237)=432-(233+176)=130+565+233=69×4=348-(51+244)=447-421=819+52+56=72×7-104=673-417=657+92+396=384-84=559×(239-232)=458-74×3=649+43-398=493-162=636-459=229-20=178-101=354×(98-94)=424×8-243=113+29+776=19×9-153=438-159=967-(527+359)=613+(810-337)=402-15×7=212+198-390=361-190-74=269-233+17=661×9=915+68×7=84×7=382+(448-193)=277+(319-97)=572×3=854+654+427=376-(121+195)=796-242-378=446×2-372=102×2+148=241+81=877-326=160×5-552=137+176+209=601-318-147=319-(26+170)=158+307-155=563+235=485-36×3=3/9-1/9=919-39×6=380+32-98=455-173-71=907×9-211=671+556+938=452-274-144=664-128×4=156+242-286=388-129+76=272+87+335=20+719+17=446-119×2=229-(23+126)=738+182=349-54-26=514+(264-69)=168+835-410=475-(236-198)=454×3-983=3/7+2/7=408-(159+47)=2/10-1/10=714-(220+490)=751+109+31=550×(385-381)=498+457=894+820-295=801+916=參考答案459-(467-23)=15165+130=295473+205×2=883212×4=848486-388+68=166364-222=142824-97×7=145269-131+222=360364-119×3=7342×7=2394241-149+152=24477+581+315=973101×8=80899+51-33=117308×5=1540208+105=31344×2=88300+(315-91)=524381-95×4=1649+139=788971+933-133=1771238+159=397107×9=96395+195+95=385419+765+359=1543488-209×2=70250+12-50=212918-115=803376-(434-60)=2134+207=341170×4-143=537302+174+10=486281-104-24=153339+38-323=54356-(445-206)=117198+188=386488-(408-42)=122406-176-117=113285×8=2280946-209+32=769900-878+128=150440+355+144=939246+(372-213)=405233-120-35=78628×(381-376)=3140406-265=141875-(584-151)=442463-(469-449)=443411-118-281=12617-64×5=29771+132-49=154397+65×2=527660+548+852=2060117+342-67=392890-(792-450)=548405-(174+204)=27293+195-122=366246+146×2=538468-13-101=354377-(193+154)=30248+128=376723-42+58=739424-229-86=109231+70×3=441652×3-111=1845119×(297-292)=595901-250×3=151129+327-135=321159+927-740=346906-149×2=608159×4-625=11215-(160-128)=18376-68+279=287204-(71+37)=96487-68×7=11504+748=1252339-(480-428)=287582×3-774=972207×3+246=867147×2-67=227128+(858-768)=218354-57×3=183124×(391-387)=496864-(26+389)=449250-(457-441)=234516×3=1548453+35-394=94540-(837-550)=253554-238+268=584377-52×6=65133×4+332=8642/7+3/7=5/7713+615+944=2272472-30×4=352681×9-685=5444266×8-862=1266183-156=27850×7-411=5539470×(281-277)=1880542+25+198=765517-208-107=202279-(454-199)=24120-93=27902-41=861722+588+245=1555762-242=520866-613=253214+(300-82)=432344-219+147=272964-650+753=106747×7=329820-47×3=67933+38=71787-345=442902-473-69=360335+653=988462-(30+157)=275668-275-138=25587×5+56=491802-152=650148×3=444557+969+862=2388726×(184-181)=2178734-(945-586)=375331-(407-321)=245232×4=928307+34-189=152321-10×9=231927-87×9=144602+668-144=1126475+(329-135)=66931×3=93538-(112+374)=52152+459=611432×4-590=1138969-65-437=46798×(485-480)=490383-79-149=155652×(20-16)=2608740-42×6=488286-(401-325)=21086×(244-236)=688429+(82-11)=500547-(13+59)=475126×5=630879+500-508=871932-(234+125)=573587×7=4109859-(221+104)=534795+117×3=1146377+(362-146)=593621+486+605=1712960-(594+244)=122953-509+483=927457+(921-208)=117010-(453-446)=3184+240=424206×2=412833×8-179=6485746-637+349=458826+200+86=1112477-127-145=205510-(36-10)=484834-267-192=37563×5=315331×3=993108-96=12443-199×2=45968-595-102=271776+78×4=1088268+248-229=287273×6=163886×7-592=10878-842=36458-(115+318)=25554+190=744183+584+175=942157-(128-23)=52159×3+277=754380+748-421=707803+(971-346)=14286/9-3/9=3/961-27+215=249756×7-551=4741860+(346-12)=1194298+129×6=1072321+55-149=227987-40×4=827464-382+353=435320-36×3=21221×(110-103)=147255-(136+86)=33746×(106-101)=3730143×3+486=915408+(739-316)=831176×3=52823×3+811=880726+950-461=1215410+44-385=69157+200-355=2978-(101+635)=242922-366+53=609296+71=3673/6-2/6=1/6848×(475-467)=6784141+218+324=683345×2-311=379169+219=388178-13-90=755/8-1/8=4/8280×2-209=351687-448=23914×(129-121)=112106+14×3=148990×(549-545)=3960393-(671-399)=12191-(96-70)=65172-38+175=30922×(266-260)=132653-(408+56)=1893/5-1/5=2/5187×5=935449+(132-128)=453327+(196-90)=433139×2+497=775108+889+422=1419171+124=295346-125-83=138634×(156-152)=2536138+63×3=327476-(654-197)=19293-214=79745-156-579=10606+178=784367-352+133=148209×3-423=204404+(202-92)=51465+(394-356)=103283+951+675=1909781×8=624857×6-210=132442×2-227=657173+246=419913-610=30330+113=1431/5+3/5=4/5610×(41-36)=3050407-69×2=269361×8-593=2295892-205-212=475326+486+110=922722+903+908=2533775+341-468=648237×4+209=1157347×2=694600×(148-141)=42004/7-2/7=2/7463-388=75209-70-136=3219+272=491419-53=366292-232=60111×7+60=837264+269=533917-854+588=651525+146+127=798396+24×3=468509+303-697=115322×3+689=1655322×(563-557)=1932973+816-64=17255/8+2/8=7/8133+49-164=18830×(939-930)=7470435×(652-643)=3915153+269-226=196669+(367-296)=740542-151+201=592280×(108-105)=840900-(257+617)=26442-137-256=49911-514=39759+426-36=449177×2=354947-558=389296+976=1272484+208×2=900326-147×2=32407-43×3=278445-18×4=373887-379+216=724663-93-537=33103-22×4=15366×2-79=653918-244-606=6823+(206-102)=127204-115=8989×7+133=756488-109-273=106136-(74-43)=105834+(455-267)=1022602-135+519=986181+133=314331+(505-306)=530445+370-675=140324×2=6486/10+2/10=8/10124+(814-777)=161235×(613-605)=1880389×9=3501289-(43+164)=82417-161+176=432798-18-133=647306-(60-13)=259773-540=23325×9=225194+179+371=744676-(654-487)=509114+58=172254-(487-453)=220910-861+62=111452×2=904200-167+370=403542-(590-264)=216346-41×3=223497+82×7=1071123+474+176=773211×9=1899841-(502+256)=83184×2+322=690397-(651-491)=237936-89×7=313660-38×7=394318-93+912=1137300-52-212=36306-178+322=450810×(893-885)=6480971-(881-874)=96431×8-131=117228-(312-138)=54478-(214+159)=105526-(549-191)=1684/8-3/8=1/848+(301-55)=294664+633-269=1028259+(434-397)=296732-48×5=492819-(281+327)=2111/4+2/4=3/4215×2+171=60159×5+830=1125441+105×5=966457-(398+46)=13947-(809+33)=10540×(261-255)=240245×(931-926)=1225121+120-97=144219+883+26=1128110×2-66=154839×3-565=1952812-519-110=183969-(382+556)=31944-(247+433)=264114+137+172=423169+106×7=911211×4-486=35817+167-142=42429+724-586=567779-497+581=863255×3=765493-(107+283)=103220×(271-267)=8802/4-1/4=1/4335-(423-184)=96941-(89+836)=16212+403+191=8061/6+4/6=5/6429-(175+41)=213129+87×8=825153+324=477721-(997-868)=592977-(626+34)=317486×2-580=392484+635+22=1141440×(254-247)=308047×3+534=67590+15=105540+204×2=948754+141×3=1177202-(497-434)=139399-52=347684-250=434329-168+220=381577-(233+229)=115865-346+325=844274-48×4=8267×8=536295-(83+194)=18699+(886-514)=1071224-138+253=339667-403=264425-(43+371)=11997-310=687420-60×7=0127×(130-123)=88949+574+60=683384-244+189=329697×7-887=3992196×(216-211)=98031+(240-233)=38397-36-235=126112×3=336391×2=782476-(209+107)=160157+212-72=2971/7+5/7=6/76/8+2/8=1183-89=94484×2-138=830592×(529-526)=1776719-(555-18)=182881-156×5=101299-28-121=150402+19+401=822346-183-107=56264+234=498556+(502-95)=963898×2-860=936710+986+568=226434×(46-38)=272582-323+596=85517×(117-112)=85283×2=566549+(815-650)=714394-(98+220)=76279-124=155696+859-826=729483-218=265925-(402+429)=94195-(92+93)=10290+186-195=281387×2=774812+254+930=1996544+211=755257-(400-336)=193616+882+242=1740106×(91-88)=318348×2-268=428380+(854-176)=105881+43=124540-(50+426)=64489-72=417688-158=53031×3+615=708656-(526-155)=28556+123×5=671415-(29+164)=222100×(488-485)=300328×6-836=1132226-77=149401-(205+176)=2032+(182-86)=128495-230=265454-171-126=157250-(29+57)=164178+339+27=54475+109=184401-308-62=3181×(27-18)=729220+94=314480+245=725143×3=429241×6-534=912740+452-714=478652+836+131=1619356-(47+13)=296661-266×2=129274+125-286=113267+85×3=522200-(231-66)=35499-330+911=1080677-(933-512)=256812×7-375=530947+260=307882-376-256=250832+770-104=149877+741-709=109184+710-549=34589+37-87=39608×(628-623)=3040506+435-807=134903+153+698=175495×(303-295)=760357×(709-702)=2499390×2=780869-416+872=1325984+879+706=2569195+912+547=16542/6+4/6=1195×8=1560331+(457-121)=667168×2=336353+(424-146)=631216+(969-132)=1053356+152-268=240299-(219-189)=269146+235-258=123475-402=73696-370-131=19536+199=235937+971=1908279-150=129191×(171-166)=955537-14×5=467451+(439-202)=688454-203-212=39851×9=7659457-(262-23)=218117+56×8=56564×(72-63)=57665×6-324=66475-(643-197)=29615+110+183=908244-(317-244)=17196×6-34=542254-196+32=90460-(169+204)=87460-(14+311)=135399×9-116=34753/8-2/8=1/8395×2+76=866441-14=427801×(426-420)=4806280×(997-994)=840370-(650-300)=20123×(341-337)=49230+(91-20)=10172+180=252499-223=276473-368+508=61327×(265-257)=216401-264+156=293971-153-374=444184-23=161712×8=56963/7+4/7=1179+(395-306)=268172×5-848=12979+572-78=1473804-(756-535)=583144×9=1296751-320+784=1215152-114=38720×8=5760435-(71+241)=123779-592-74=113371+704=1075477-(377+48)=52412+(416-224)=604207-(576-461)=92479+373=852423×4-266=1426472-202-136=134357-37×5=172719+(508-30)=1197354+(576-11)=919117+251-93=27555+(483-244)=294771-450-13=308238-99-16=12352+194-38=208121+209-318=12719+293+530=1542217-185+326=358400+79×5=795283-219+35=99881-177+591=1295803-64×8=291227-115=112179-126=53184+(497-66)=615248+82=330228×2-308=148442×2=884484+(363-66)=781293-10=283337-173-107=57462×(213-208)=2310190-12+81=259250+361+122=733927×(775-769)=5562241×2=482329-(297-258)=290409-(318+71)=20108+(100-80)=12817×2=34763+327×3=1744864-25×6=714271×(883-879)=1084413-128=285109×6-300=354183-14=169753×5=3765940×6=5640472×4-480=1408616+906+608=2130114×(383-375)=912217-63×2=91357-71×2=215444-64-321=59459-255-107=97826-628-81=117253+488=741493-156-284=5387+(715-594)=208783-607-163=13318-20×4=238350-(339-153)=164680×6=408069×(416-407)=621490-(19+126)=345139+215=35464+237-108=193468-110×3=138403×4=1612119+218=337273+(970-804)=439388+121×2=63012+(333-166)=179776-340-179=257289-39×5=94329×6-801=117372×7+103=607691-24+367=1034476-84×5=56682-(608-140)=21485×(368-360)=680177×5+74=95935+589+427=105178×7+369=915111×5+391=946344×2=688179×3+983=1520195+238=433259+814+936=2009462+(405-385)=482333+39-206=166879-(539+286)=54901×2-398=1404359-102×2=15533×3+212=31180-30+378=428351-40=311694-516=178733-106-129=498552+970+776=229837×2+330=404153+(127-106)=174767-724+775=818264-(321-58)=14/8-2/8=2/8623-140×3=20337×(476-472)=148879+483=1362133×(255-251)=53235×(380-372)=280634-210=42453×(500-496)=212113+295=408397+779-759=417797-310-352=135281×9-416=2113379+(856-128)=1107530+199×4=1326439+880=1319113+943-124=93219+178+570=767357+417=774692+(278-85)=885301×(304-301)=903209-(256-133)=86285×2-473=97476-262+49=263136+123×2=382394×6-837=1527289+59=348435+(156-53)=538210×2-11=409960-796=164429-(404-76)=101284-268+315=331630×8-89=4951395-20×8=235751-392=359429×2=858210-34×4=74473-344+280=409202+55+715=972484-250+544=7781/6+2/6=3/6356+53×2=462712-13×6=634176-133+11=54558-389-83=86932+(664-662)=934105+(681-101)=685371-250+160=281632-(565-22)=8925×3