三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦420-(175+118)=705-500+22=547+146=253+546=979-199×3=821×2-385=89+257=785+348-862=616-(246+129)=605+701+973=446-34-411=792×(505-496)=486-349=287×2=370-289+850=877-867+986=164+154+299=196×(404-399)=472+175+353=937+299-419=124+494+11=552-(299+21)=440-108×2=106×(423-416)=127-123+198=922-219-249=320+(498-349)=780+74+608=610×4-318=837×(245-237)=43-(584-575)=138×(245-237)=719-34=738×(740-731)=301-34×6=482-333=382+170+71=361-26-55=645-(242+77)=487×(953-950)=201+543+628=448-413-20=85×7-516=44+317-159=462+222=855×4-896=210×3-45=761+(809-39)=485-82×4=477-108=163×4+118=618-(891-468)=199+57=839-403=195-94=523+342=32×9-59=451-(228-40)=359-(270+77)=72×4+548=154-(18+95)=6/10-2/10=769-124=564+465+412=899×2-322=227+186=736-(186+478)=441-34×3=333-(69+127)=227-173+228=365-(212-106)=402-(699-330)=373-172=452-163-176=615+60-320=819-563=826+599+974=403-(250+18)=59+(347-342)=417×(751-746)=28+205+463=132×4+217=214-29-55=599+260×2=429+179×5=260+(444-403)=324-32×5=77+808+130=435-145-35=246+(492-360)=837+113×5=302-(471-398)=274×2+74=2/6+3/6=487-85×3=828-413-96=465-(140+125)=794-728+472=295-233+302=208×2+420=66+60=85+255=426-(107+203)=388+807-173=313×3-478=234×4=279-77+910=459-342-57=659-561=285+675=931-(736-55)=423-(173-14)=696-90×5=989×(477-472)=488+(259-229)=296+179+317=749-44×7=687+(739-234)=730×(536-530)=453-191-62=414+69-458=250-196=412-(379-69)=387×2=579+(461-173)=413×(467-460)=958-(656-89)=916-480+52=54×8+71=447-62×4=148×6-835=360+289+29=131+98+603=393+(423-21)=376-(597-226)=954-847+403=962×(456-447)=968+(873-420)=664+484+178=698-382=837+497+307=1/7+2/7=880-200=790-85×3=495-(33+350)=428-(17+400)=128+174-246=16-16+304=71×5+521=164×(71-65)=39×(279-273)=317-95-33=431-(357-101)=876-(382+123)=14+867-383=945-276×3=687×(630-626)=492-(133-75)=883-(172-78)=175-(100+36)=82+231=814×3=682+455+273=323×3=1/6+4/6=56+287-49=261-213=59×(174-169)=125×5+81=396×(727-721)=349+10+495=927-187×3=174+(642-170)=137+(395-356)=165×5-516=699-(312-15)=155-45×2=135+140-221=397×2+650=129-25+178=15+14×7=404-18×8=603-215=119×(288-284)=901+866-900=936-509-102=953-17×4=524×7-948=353-57×3=367-135-219=441-101-338=852×9-964=127+337=855-(31+248)=731-(428-66)=3/8-2/8=341×5=335-156=171+219-16=355-85=287×2-54=358+997-669=494+43×4=150+154-218=332×8-131=438+(388-271)=117+273-158=895-293=93+495+259=487-(163-131)=851-(199+66)=137×6-288=241+(453-269)=310×3=484+570-617=481-20=468-140=109+426+325=904+91-190=485×6-105=854-16×3=86×2+494=559+994+666=717+653+289=442-106×3=278+552+56=467-(107+255)=469×4=219+247=338+22×9=478×2-850=49+252×3=568+70×5=47+96=363-(216+68)=329×3-844=215-29-24=947-(532+414)=111+364-252=221×9=131+225=192×3-398=190-129+51=151+324-429=267+455+269=626×8-432=230+192-383=118+(194-105)=761-12-286=143+84=7/10-3/10=260+221-188=235×3-65=868-29×2=380+(207-195)=353-150=433-183+44=51-25+77=53+70=999-(388+272)=939+(783-565)=458-85-331=565+(940-240)=635-371+487=161+32-110=328-(351-210)=847-661+934=25+182×4=253×4=802-86×5=233×2=927+232+413=849×(48-43)=202×(103-99)=67×4=91+46=486×3=508-392+123=711-272=886×2-982=703-88-117=122+115=23×(406-397)=245-48-38=71+212=738×8-307=924-(671-389)=495-21-250=567+874-71=43+(398-77)=948-232=874+235-454=26+80=915-(573-19)=885×2=211+78×5=547×5=990+614=198+135×4=118×8+136=281-(417-404)=137×5+88=270×(439-436)=168-47-25=442-319=322+(425-20)=774-(881-146)=176-75+21=414×5-255=416+229+79=451-(272+99)=309-199-24=313+473+795=21+26=384+356=49×2+384=704-(21+129)=920-(130+201)=632+978=617-(43+153)=35×7=477-10+112=472-(200+153)=433-49×3=996-665+970=100-15×5=761+395-958=903×6-194=529+878=364-160=431-(259+22)=389+614=220+(733-264)=353×7=64×(312-306)=476-(85+296)=348-32=491+591+141=194+35+290=583×4=473-(364+23)=933+965-565=943-542+210=51+(694-383)=337×5=413-(377-313)=177-135=141×7=619-78=72×7+778=366-152×2=433-(233-186)=465+248+240=497-(404+56)=611+30+211=339+151+142=227+265-159=831-26×3=128-13+77=13×7+223=118+(120-76)=444-112+552=722×(415-406)=193×3=875-288-456=530-426=484-99=576-31×4=616-(860-552)=728-(789-581)=862-(187+192)=482+380+540=186×3=476-(408-260)=470-103=172+925-108=489-21=740-(215+474)=169+(489-163)=352-15×7=195+228+124=930-75×9=67+146×2=512-69-284=829+693-907=57×(281-278)=682-(665-452)=204-(995-819)=870-253-205=356+98-431=671×8-679=670+852-992=38×(460-454)=527×7-694=321+738-442=70×5=216+195+388=415-293+157=809+(601-512)=371-179-175=898+(607-387)=990-(640+137)=689+575=462-(460-163)=186+20-122=393-143×2=703-(717-698)=366-59×3=268+345+195=956-(491+379)=261-(194+34)=267-(163-91)=344-20×7=675×4=316-49+960=424+174×2=261-(455-408)=694-33=448-(399-134)=125×(243-236)=290×6-926=427-196=474-275+276=166-70+209=477-389+113=167+227=36×(244-236)=582-(279+240)=282×2+330=143+103×3=445-(407-219)=54-25+20=295×3-392=756-(487-326)=206×(404-401)=239-11×9=886-139-43=5/7-1/7=754-540-163=243×3-645=996+(921-22)=175+624-508=64×2=331+291+295=301×2-408=369-190-40=139×5+18=684×2=492-233+121=4/10-3/10=66×(378-370)=220-(283-256)=305-135-122=226+20×2=754-(869-606)=275+284+302=133+275-196=1/5+2/5=219-202=200+131-115=36+70-83=101+(227-99)=58+272-46=342-35×8=467×2+877=423-106-72=321-137=450-190-87=13+14×5=844+(129-32)=229×2-300=958-413-294=229+15+735=825-261=920+319×2=481-141+83=715-517+380=431-38-351=711×9-713=794+(233-177)=835×5=112+(435-105)=239+228=161+(270-157)=636×5-663=359-74-147=1/8+3/8=484-189×2=284-36=283×(338-333)=841-219+37=961-(818+21)=457-430+186=46×8=712+517=992-(656+35)=493-243-42=152+648+743=984-294-514=197×(351-348)=451+285=162×9=68×2+244=273-60-127=430+551+999=424×2-196=808-221×3=617×(969-963)=437-(217-191)=266+115×2=322-(25+88)=479+11×2=784×(590-583)=476+987=160+230+488=17×3+402=810+319-517=322-(50+98)=959-(666-555)=165×5-194=650+(566-525)=781+(317-91)=508-87-79=183-28+16=175+568+214=61+136×3=248-221+442=551+680+426=258+169=97+(679-380)=342+144×4=867+(357-21)=379-159-161=292-64×3=1/8+6/8=883×7-965=518×(318-310)=378-(95+214)=498-18-86=192×5=459-112×2=140+979-557=34×6=120×8=211×3=624-233×2=257-(327-166)=70×7=359+(803-77)=207+(401-352)=941-676-62=817-(79+350)=330-124+120=314+57+535=998-233-704=119+115-218=663-137+620=46×(766-762)=324-(52+94)=466+(194-113)=33×(655-650)=635+360=168×3+333=475+(438-364)=194×(922-919)=409-36=755×5-705=947×(282-276)=114×5=989+81×2=486×2-477=155×(625-621)=727-33-130=356-113-87=773-17×9=265-11=361-293+105=55×(434-430)=809-136×3=453-82+126=286-249=481-40=776-182+846=461-213-52=192×2+138=342×7-972=220+(356-59)=342-46-169=323+(315-60)=403-45=700-125+689=621-33×9=524+225=275-105+35=35+192×3=669+(982-806)=971-64-361=440-429+437=183+243=360-29×6=328+59=121+240-267=136×6=427+78×2=55+387-224=148+627=526-198+236=191+295=95×4-320=893-124=256-153-37=815+812+735=862-84×6=76×8+340=765-(965-326)=863×8=16×9=399-72×2=443-116=883+215-770=294×(915-909)=394-(286+71)=302+57-101=720×(157-153)=439-(111+107)=607-46×9=89×(240-237)=346-68×2=249+67×3=429×5-827=658-655+660=650-376+538=135+303=406×2-202=5/8-1/8=48×4=380-118=377-173-137=146+494=159+375+344=842+(929-351)=385-(84+123)=169-(269-243)=969-(576+367)=957+871-142=162×2-222=421+53-24=136+(834-648)=465×2=126×2-49=121×7+962=174×4-171=599-(225-117)=489+(201-76)=482-287=49×9+539=482+60+710=3/8+2/8=357-17×5=438-(436-220)=488-105-151=162×6=352-(377-279)=562×2-919=872-144-228=68×3=651-213-345=199×3-157=226×6=932-671=521-401-18=220×2-438=91×(61-55)=31×8=279-259+431=4/8-3/8=6/8-1/8=207×4=718-540=434-142=548-(735-700)=79×(301-294)=39+47+708=5/7+2/7=126+371=973-565-11=61×6+249=192×3=943-900+119=283-244=154-(464-369)=377+75+380=371+(141-101)=347+109+455=724-(201-23)=856+685-527=11×(492-483)=360×4=689×4=477-427=77×7=185-77×2=381+211=253-(243-10)=4/7+2/7=200×(82-77)=85×5=850×9-969=115+316=478×2-873=263-177+65=44×5+967=968+586-624=17+197×2=345+94-158=814+(388-204)=665-52×2=99-94+243=322+130+307=139-(40+87)=406-95×3=330×(889-886)=549+909-650=4/9+3/9=381+420+150=138+421+350=99×5=22+446-368=1/6+3/6=89×2+164=688-(429+186)=608×5-586=656+935-739=678+117=330-196=118×8-673=322+(395-269)=387-375=27×(366-362)=491-(146+230)=494-116×2=202+157-28=490-236+157=596+633-174=295×2+323=192+272=301-194+135=570+144×5=285+101=153+455=357-(57+211)=585-346=949-(313+212)=420-(195-141)=2/5+3/5=70+374=185+163-229=49×(263-259)=771×9-796=728-(670-197)=311+187=704-87×2=265×8=126×(244-239)=91+504=248-(93+105)=395+(391-144)=881+432+373=352-171-149=63+720+816=215-65×2=138×5=564+(756-390)=22×(144-140)=852-220=126×(84-75)=472-118×4=255-213=535-321-194=454-(246-91)=411-39=137×(120-113)=785-99-424=41+249+268=342-(115+100)=210+77×7=65×7+190=380-242+264=558+(925-907)=986-(343-114)=28+310-225=277-88+225=185+(122-105)=907-790+70=439-(138+267)=233+925+268=171+277=488+(182-101)=269+209=388-(80+91)=171-(480-385)=74×9-203=428-49×2=146+(407-119)=672+736-298=819-610+364=946-650-205=966-776=560+393=3/6-1/6=30+31×8=343-137+236=702+832=527×9=4/7-2/7=4/6-1/6=178-129+173=359-73×4=904-86×8=575-302-130=167+218=66×8=325×2-128=2/5-1/5=282-139=332-(172-23)=119+(988-807)=120×(134-128)=155×(138-132)=123+316=321×4=327+(99-35)=68+(85-79)=133×5-383=494+976=848-(344+86)=216-(326-149)=253+(944-338)=431×2-155=151×(698-695)=505×3-331=895+84×6=806-(46+261)=287+108+563=104+159-204=387-(102+201)=871-44×2=240×2=605-19×6=159×4=153×3=297-(348-185)=942+513+856=648×3=34-(420-406)=179×(38-33)=525-(191+280)=187-31×4=458+373-337=681×9-431=421-(399-101)=401+93=746+(315-309)=396×(300-293)=參考答案420-(175+118)=127705-500+22=227547+146=693253+546=799979-199×3=382821×2-385=125789+257=346785+348-862=271616-(246+129)=241605+701+973=2279446-34-411=1792×(505-496)=7128486-349=137287×2=574370-289+850=931877-867+986=996164+154+299=617196×(404-399)=980472+175+353=1000937+299-419=817124+494+11=629552-(299+21)=232440-108×2=224106×(423-416)=742127-123+198=202922-219-249=454320+(498-349)=469780+74+608=1462610×4-318=2122837×(245-237)=669643-(584-575)=34138×(245-237)=1104719-34=685738×(740-731)=6642301-34×6=97482-333=149382+170+71=623361-26-55=280645-(242+77)=326487×(953-950)=1461201+543+628=1372448-413-20=1585×7-516=7944+317-159=202462+222=684855×4-896=2524210×3-45=585761+(809-39)=1531485-82×4=157477-108=369163×4+118=770618-(891-468)=195199+57=256839-403=436195-94=101523+342=86532×9-59=229451-(228-40)=263359-(270+77)=1272×4+548=836154-(18+95)=416/10-2/10=4/10769-124=645564+465+412=1441899×2-322=1476227+186=413736-(186+478)=72441-34×3=339333-(69+127)=137227-173+228=282365-(212-106)=259402-(699-330)=33373-172=201452-163-176=113615+60-320=355819-563=256826+599+974=2399403-(250+18)=13559+(347-342)=64417×(751-746)=208528+205+463=696132×4+217=745214-29-55=130599+260×2=1119429+179×5=1324260+(444-403)=301324-32×5=16477+808+130=1015435-145-35=255246+(492-360)=378837+113×5=1402302-(471-398)=229274×2+74=6222/6+3/6=5/6487-85×3=232828-413-96=319465-(140+125)=200794-728+472=538295-233+302=364208×2+420=83666+60=12685+255=340426-(107+203)=116388+807-173=1022313×3-478=461234×4=936279-77+910=1112459-342-57=60659-561=98285+675=960931-(736-55)=250423-(173-14)=264696-90×5=246989×(477-472)=4945488+(259-229)=518296+179+317=792749-44×7=441687+(739-234)=1192730×(536-530)=4380453-191-62=200414+69-458=25250-196=54412-(379-69)=102387×2=774579+(461-173)=867413×(467-460)=2891958-(656-89)=391916-480+52=48854×8+71=503447-62×4=199148×6-835=53360+289+29=678131+98+603=832393+(423-21)=795376-(597-226)=5954-847+403=510962×(456-447)=8658968+(873-420)=1421664+484+178=1326698-382=316837+497+307=16411/7+2/7=3/7880-200=680790-85×3=535495-(33+350)=112428-(17+400)=11128+174-246=5616-16+304=30471×5+521=876164×(71-65)=98439×(279-273)=234317-95-33=189431-(357-101)=175876-(382+123)=37114+867-383=498945-276×3=117687×(630-626)=2748492-(133-75)=434883-(172-78)=789175-(100+36)=3982+231=313814×3=2442682+455+273=1410323×3=9691/6+4/6=5/656+287-49=294261-213=4859×(174-169)=295125×5+81=706396×(727-721)=2376349+10+495=854927-187×3=366174+(642-170)=646137+(395-356)=176165×5-516=309699-(312-15)=402155-45×2=65135+140-221=54397×2+650=1444129-25+178=28215+14×7=113404-18×8=260603-215=388119×(288-284)=476901+866-900=867936-509-102=325953-17×4=885524×7-948=2720353-57×3=182367-135-219=13441-101-338=2852×9-964=6704127+337=464855-(31+248)=576731-(428-66)=3693/8-2/8=1/8341×5=1705335-156=179171+219-16=374355-85=270287×2-54=520358+997-669=686494+43×4=666150+154-218=86332×8-131=2525438+(388-271)=555117+273-158=232895-293=60293+495+259=847487-(163-131)=455851-(199+66)=586137×6-288=534241+(453-269)=425310×3=930484+570-617=437481-20=461468-140=328109+426+325=860904+91-190=805485×6-105=2805854-16×3=80686×2+494=666559+994+666=2219717+653+289=1659442-106×3=124278+552+56=886467-(107+255)=105469×4=1876219+247=466338+22×9=536478×2-850=10649+252×3=805568+70×5=91847+96=143363-(216+68)=79329×3-844=143215-29-24=162947-(532+414)=1111+364-252=223221×9=1989131+225=356192×3-398=178190-129+51=112151+324-429=46267+455+269=991626×8-432=4576230+192-383=39118+(194-105)=207761-12-286=463143+84=2277/10-3/10=4/10260+221-188=293235×3-65=640868-29×2=810380+(207-195)=392353-150=203433-183+44=29451-25+77=10353+70=123999-(388+272)=339939+(783-565)=1157458-85-331=42565+(940-240)=1265635-371+487=751161+32-110=83328-(351-210)=187847-661+934=112025+182×4=753253×4=1012802-86×5=372233×2=466927+232+413=1572849×(48-43)=4245202×(103-99)=80867×4=26891+46=137486×3=1458508-392+123=239711-272=439886×2-982=790703-88-117=498122+115=23723×(406-397)=207245-48-38=15971+212=283738×8-307=5597924-(671-389)=642495-21-250=224567+874-71=137043+(398-77)=364948-232=716874+235-454=65526+80=106915-(573-19)=361885×2=1770211+78×5=601547×5=2735990+614=1604198+135×4=738118×8+136=1080281-(417-404)=268137×5+88=773270×(439-436)=810168-47-25=96442-319=123322+(425-20)=727774-(881-146)=39176-75+21=122414×5-255=1815416+229+79=724451-(272+99)=80309-199-24=86313+473+795=158121+26=47384+356=74049×2+384=482704-(21+129)=554920-(130+201)=589632+978=1610617-(43+153)=42135×7=245477-10+112=579472-(200+153)=119433-49×3=286996-665+970=1301100-15×5=25761+395-958=198903×6-194=5224529+878=1407364-160=204431-(259+22)=150389+614=1003220+(733-264)=689353×7=247164×(312-306)=384476-(85+296)=95348-32=316491+591+141=1223194+35+290=519583×4=2332473-(364+23)=86933+965-565=1333943-542+210=61151+(694-383)=362337×5=1685413-(377-313)=349177-135=42141×7=987619-78=54172×7+778=1282366-152×2=62433-(233-186)=386465+248+240=953497-(404+56)=37611+30+211=852339+151+142=632227+265-159=333831-26×3=753128-13+77=19213×7+223=314118+(120-76)=162444-112+552=884722×(415-406)=6498193×3=579875-288-456=131530-426=104484-99=385576-31×4=452616-(860-552)=308728-(789-581)=520862-(187+192)=483482+380+540=1402186×3=558476-(408-260)=328470-103=367172+925-108=989489-21=468740-(215+474)=51169+(489-163)=495352-15×7=247195+228+124=547930-75×9=25567+146×2=359512-69-284=159829+693-907=61557×(281-278)=171682-(665-452)=469204-(995-819)=28870-253-205=412356+98-431=23671×8-679=4689670+852-992=53038×(460-454)=228527×7-694=2995321+738-442=61770×5=350216+195+388=799415-293+157=279809+(601-512)=898371-179-175=17898+(607-387)=1118990-(640+137)=213689+575=1264462-(460-163)=165186+20-122=84393-143×2=107703-(717-698)=684366-59×3=189268+345+195=808956-(491+379)=86261-(194+34)=33267-(163-91)=195344-20×7=204675×4=2700316-49+960=1227424+174×2=772261-(455-408)=214694-33=661448-(399-134)=183125×(243-236)=875290×6-926=814427-196=231474-275+276=475166-70+209=305477-389+113=201167+227=39436×(244-236)=288582-(279+240)=63282×2+330=894143+103×3=452445-(407-219)=25754-25+20=49295×3-392=493756-(487-326)=595206×(404-401)=618239-11×9=140886-139-43=7045/7-1/7=4/7754-540-163=51243×3-645=84996+(921-22)=1895175+624-508=29164×2=128331+291+295=917301×2-408=194369-190-40=139139×5+18=713684×2=1368492-233+121=3804/10-3/10=1/1066×(378-370)=528220-(283-256)=193305-135-122=48226+20×2=266754-(869-606)=491275+284+302=861133+275-196=2121/5+2/5=3/5219-202=17200+131-115=21636+70-83=23101+(227-99)=22958+272-46=284342-35×8=62467×2+877=1811423-106-72=245321-137=184450-190-87=17313+14×5=83844+(129-32)=941229×2-300=158958-413-294=251229+15+735=979825-261=564920+319×2=1558481-141+83=423715-517+380=578431-38-351=42711×9-713=5686794+(233-177)=850835×5=4175112+(435-105)=442239+228=467161+(270-157)=274636×5-663=2517359-74-147=1381/8+3/8=4/8484-189×2=106284-36=248283×(338-333)=1415841-219+37=659961-(818+21)=122457-430+186=21346×8=368712+517=1229992-(656+35)=301493-243-42=208152+648+743=1543984-294-514=176197×(351-348)=591451+285=736162×9=145868×2+244=380273-60-127=86430+551+999=1980424×2-196=652808-221×3=145617×(969-963)=3702437-(217-191)=411266+115×2=496322-(25+88)=209479+11×2=501784×(590-583)=5488476+987=1463160+230+488=87817×3+402=453810+319-517=612322-(50+98)=174959-(666-555)=848165×5-194=631650+(566-525)=691781+(317-91)=1007508-87-79=342183-28+16=171175+568+214=95761+136×3=469248-221+442=469551+680+426=1657258+169=42797+(679-380)=396342+144×4=918867+(357-21)=1203379-159-161=59292-64×3=1001/8+6/8=7/8883×7-965=5216518×(318-310)=4144378-(95+214)=69498-18-86=394192×5=960459-112×2=235140+979-557=56234×6=204120×8=960211×3=633624-233×2=158257-(327-166)=9670×7=490359+(803-77)=1085207+(401-352)=256941-676-62=203817-(79+350)=388330-124+120=326314+57+535=906998-233-704=61119+115-218=16663-137+620=114646×(766-762)=184324-(52+94)=178466+(194-113)=54733×(655-650)=165635+360=995168×3+333=837475+(438-364)=549194×(922-919)=582409-36=373755×5-705=3070947×(282-276)=5682114×5=570989+81×2=1151486×2-477=495155×(625-621)=620727-33-130=564356-113-87=156773-17×9=620265-11=254361-293+105=17355×(434-430)=220809-136×3=401453-82+126=497286-249=37481-40=441776-182+846=1440461-213-52=196192×2+138=522342×7-972=1422220+(356-59)=517342-46-169=127323+(315-60)=578403-45=358700-125+689=1264621-33×9=324524+225=749275-105+35=20535+192×3=611669+(982-806)=845971-64-361=546440-429+437=448183+243=426360-29×6=186328+59=387121+240-267=94136×6=816427+78×2=58355+387-224=218148+627=775526-198+236=564191+295=48695×4-320=60893-124=769256-153-37=66815+812+735=2362862-84×6=35876×8+340=948765-(965-326)=126863×8=690416×9=144399-72×2=255443-116=327883+215-770=328294×(915-909)=1764394-(286+71)=37302+57-101=258720×(157-153)=2880439-(111+107)=221607-46×9=19389×(240-237)=267346-68×2=210249+67×3=450429×5-827=1318658-655+660=663650-376+538=812135+303=438406×2-202=6105/8-1/8=4/848×4=192380-118=262377-173-137=67146+494=640159+375+344=878842+(929-351)=1420385-(84+123)=178169-(269-243)=143969-(576+367)=26957+871-142=1686162×2-222=102421+53-24=450136+(834-648)=322465×2=930126×2-49=203121×7+962=1809174×4-171=525599-(225-117)=491489+(201-76)=614482-287=19549×9+539=980482+60+710=12523/8+2/8=5/8357-17×5=272438-(436-220)=222488-105-151=232162×6=972352-(377-279)=254562×2-919=205872-144-228=50068×3=204651-213-345=93199×3-157=440226×6=1356932-671=261521-401-18=102220×2-438=291×(61-55)=54631×8=248279-259+431=4514/8-3/8=1/86/8-1/8=5/8207×4=828718-540=178434-142=292548-(735-700)=51379×(301-294)=55339+47+708=7945/7+2/7=1126+371=497973-565-11=39761×6+249=615192×3=576943-900+119=162283-244=39154-(464-369)=59377+75+380=832371+(141-101)=411347+109+455=911724-(201-23)=546856+685-527=101411×(492-483)=99360×4=1440689×4=2756477-427=5077×7=539185-77×2=31381+211=592253-(243-10)=204/7+2/7=6/7200×(82-77)=100085×5=425850×9-969=6681115+316=431478×2-873=83263