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869+108-684=202+181=52×9=128×4+131=748-361=171×2=115+296=260-(101-23)=945+(794-613)=450+558-78=379-118×2=189×3-258=650×(70-65)=136+246-39=729+807+630=278+(394-232)=452-(307-174)=78×(336-333)=229+440+183=214+730+969=59+532+304=232-14×9=548-241+802=527-208×2=441-(377-287)=224+(792-395)=158+143-254=165×4-108=100+(189-40)=49×5=433-79=935-252+570=398×2-112=865+651-186=785×3-318=166+554=776-(417+77)=403-51×7=830-(296+99)=853×(180-175)=406-202+44=84-79+35=474-(349-66)=252+546=779-(43+158)=956-(982-197)=229-167+159=324-72+65=427-182-19=937-255=422×3-929=363-(143+128)=172+88-58=325+(594-416)=71×9+189=382+42-188=714-83+467=530-83×6=260+(270-78)=477-(261-119)=90×8+147=401-49=16+(209-74)=138+825+887=421-(377-267)=982-851=690-298×2=593×8=920-(280-37)=138+280-184=99×5+946=830-(248+280)=586+888-979=123+284×2=334+491=790×7=268-17=808-32-49=409+193=105×3+375=522+96+836=73+(984-413)=635-569=2/7+3/7=399-(235-163)=705×2-124=757+597=338-80-116=182+568-521=285+606+651=456-72×3=2/3-1/3=120+154=161×8-356=134×6-776=205×3=777-77-385=803-689+592=3/7+2/7=13+398-331=345+171=331+(802-445)=911-483=830+932=48×2=349-141×2=65×8+51=146×3=645×4=282-177+551=362+79=314×3-389=1/4+2/4=635-88×5=366×4=419-219=876-(469+268)=444+76×2=351-206=26×6=803-442=122+289+61=269+146-336=187×2-116=113+(431-250)=877-(18+824)=49+169+714=448-242-178=153×4-429=56+31=284+(874-385)=124+45×7=683×4=239+(850-589)=926×(487-478)=357-103=14+343+347=44+164=852+836+255=219-158=1/5+3/5=657×3-663=673+568+612=190-(32+19)=277+96+123=310-147×2=3/6-2/6=907-(782-502)=681-160=114×(162-159)=342-164=634+444×2=313-(761-576)=954-(166+598)=851×(233-226)=440+(196-158)=679×4-896=679-343=737-(12+262)=753-(968-515)=387+(450-272)=459-36=376-36×5=114×(39-34)=827+234=437-64-136=791+433-509=341-(463-338)=55×9=107×7+114=445+149×2=394-(78+268)=39+153=763-259×2=288+163-251=880-42=289+407+894=228×3=484-(155+286)=427-113×3=466-342+345=244+189-432=422+960=680×7-582=351-(188+36)=367+92-262=127+357=430-369+388=883-66-200=819×7-778=863-(79+50)=524-288-52=869-(378+314)=426-20=236×2-178=479-(391+24)=326-(161-37)=37+44=303-66-113=430-(333-329)=4/6-1/6=276×(445-441)=429-(75+169)=211×(270-266)=851-428+845=194+15+226=75+416=473-191×2=850-267-424=380-(111+257)=513+267-414=1/3+2/3=377-(101-66)=229-159+92=222+252-324=387×(382-376)=720×8=678+(74-43)=265+365×2=222×4+106=886-202-467=851×(587-581)=139+336-228=317+735-195=424+63-200=286-(540-509)=59×6=217-73=688-276+813=231+77=449-348+317=132×8=22×(452-449)=378+(405-82)=401-43×7=116×(47-41)=284+(360-334)=450×(205-200)=425-(199+122)=300×2-22=293-29×9=25+444-100=998-153-584=909-225×3=591-(201+322)=769×9-263=399-158-220=5/9-2/9=157×4-146=475-44×6=800-117×3=469-423+608=438-(707-436)=378+512=3/6-1/6=766-705=673+183-331=443×2-324=460+658-614=723-172×3=43+225×4=481-87-180=445-435=299-113+188=455-(362-192)=270×(449-446)=232+982+122=139-98+43=452-(43+370)=748-59-38=719×2-427=910-762=356-190-35=653-104×3=236×(353-350)=756-363=598+986=502-160+741=111×6+211=80+39-22=105+185=406-(347-158)=863-631+367=123×2+349=106×6=634-(984-446)=207×4+137=213+198=753+897=116×5-432=305-(119+164)=145+134=390-92-28=177-71×2=293-(773-538)=294+(280-31)=393-80-254=542+140+885=932+659+77=796+22+11=298-139=77×7=685-470=61+222+437=20+(403-100)=869-233+438=578-106×2=532+330-755=68×4=287×2-302=149+812+704=961-30×2=408-(171+200)=902-266-217=621×7-237=28+(473-402)=33×(430-423)=371+39-390=131×(392-389)=315+(607-602)=207×2-153=425-210-13=142+142=500×2-613=163-105=424-29×2=226+74=20+73=928×5=209+91=160×(440-433)=149+520+136=136+(869-72)=11×(263-254)=828-578+774=202+(388-131)=307+541=848-89×5=279×8-969=485+(227-209)=341+111×2=701-477+778=14×(250-243)=296×(27-23)=314-14+168=664×(316-311)=370-204=350×2=428-202+132=80+86+187=171-16×4=855-(75+481)=232×3+285=690-(36+240)=633+112+108=132+340-244=80+245×3=312+465×2=184+217-356=708-(114+314)=687×6-932=196×3=873-509=701-480+880=347-64-84=917-173-12=179×5-724=315+175-45=324×3-616=739-(29+403)=36×8+56=712+695-563=318-44×2=34×(467-462)=676+849-494=981×(924-915)=686-(774-532)=537-65×5=396×2=894-(505+197)=296-31×8=997+222+52=756×3=971+172-504=204×(324-320)=46×(222-217)=847×9-314=399-(271+65)=896+522+563=185-(92-27)=447+(462-422)=237-12×3=286-273=594-(210+288)=486-240-192=550+252+109=255×3-451=209-(477-463)=947+342-430=409+34×9=262-(365-148)=106+(279-123)=996-192-142=180+253=601-114-283=10×3=367-(489-169)=127-116+407=171+312=149-(56+19)=832-(359-202)=117×3-240=38+875-629=136×2=446-218×2=134+660=937-354+710=37×4+968=295-63+132=99-14×6=328-141=730+143=834-135-438=279×3-652=375-(496-401)=153×(531-522)=146×5-471=422+180×3=630-27-224=499-284-139=961-(142+13)=622×(754-751)=147×(147-144)=248-(71+164)=439-40=204-(396-228)=478-324+202=37+445+499=952-506-313=312-192+172=797×9=77×3+427=539+193=827-128×5=199×4=162×(368-365)=293×2-432=999-862+853=475+(433-267)=967-312=68×(622-613)=717-87×2=124+370-143=743+929=865+125+361=578+(760-528)=500-61-199=105×5-10=11+783+778=333+(272-242)=193+79+277=212+148=346-(156-13)=36-(209-189)=499-100=856-595=397+62-151=305×2+791=443-26+598=875-(620-473)=64×8-140=994-71+122=5/8+2/8=434+(880-129)=835×(28-25)=705×7=13×(306-302)=314+(145-98)=174+226-163=294-(175+100)=147×(130-124)=346-(417-306)=311+121-116=38+515+313=496+94×9=945-359+314=123×6=480-100-141=472-24×8=100×7+298=337+136+27=696-(89+344)=479-344=603×9-638=568-76-228=274+634-700=98+(73-32)=96+373=837-(975-559)=397×(848-843)=570+118×2=998-359+245=397-150-161=61-(409-376)=192+336+433=75+625+92=363-22-324=573+(716-166)=7/10-3/10=846+18×3=161+(965-595)=879-127-452=2/6+3/6=208+388-141=580-(554-264)=24+399×2=229+(492-491)=426×2=134×2=322+116+360=93-18=3/5-2/5=386×2+95=252-(23+33)=345-(488-208)=472-464+73=4/5-1/5=43+252-59=471+(195-58)=301×(488-485)=576+25×7=11+(497-416)=384×2=259×2+373=998+716-235=145+229+385=39+61=336-223+195=411-54×7=928-(102+244)=868+164+252=680-(117-13)=209-(12+42)=637-16×5=710-(507-61)=703+907-273=250+70=761+(657-599)=256+519-416=174-(11+36)=942×4=191×(484-480)=87+57×8=665-86=968×7=864-188=924-329-318=725+(692-281)=775+592-698=465+47+350=504×(922-914)=676-507+898=38×(384-377)=4/8-3/8=198×5-856=164×6-76=83+342=498-183=19×(439-435)=130-14×2=366-163+467=286-27-158=100+(115-114)=278+880=465+319+533=576+996+405=412-35×2=3/4-1/4=466-(347-220)=282-(103+80)=853-(484-129)=479-35-440=937+983-785=367×4-568=200×(261-258)=710-503=104×2+732=753-(403+209)=397-138=734-63×5=337-15×9=487+341+87=11×(427-424)=469-43-160=219+20-35=370-(215+51)=848+47×9=267×3=66+(405-283)=12+(616-200)=877×(349-344)=594+65+850=919-575=257+211=2/8+4/8=561+(109-70)=215-135+166=239+165=316-(51+217)=477-409+374=74+(829-269)=106×3-109=372-40×5=965+833+543=568-545+741=429+(758-406)=466+821-27=678+(382-82)=357+707=307+222×2=928-(482-171)=548-269-151=928+136+985=383-(67+23)=296×2+385=124×2=348-21×2=268-73+633=719+518+259=986+(951-308)=216+111=312×4=390-106-251=271×3+91=417-53×6=470-96-306=737-118×4=615-25×5=447-20-28=835-18+813=671-(332+10)=296-188=236×2=188×2+982=589×6=488+(218-156)=715-297+167=163+310-368=426×8-525=196×5=911-424-139=471-(166+93)=433-15-414=84×7+313=43+169=25×4=914+87×5=246+164=178×2-72=230+(421-120)=410-135×2=643+166+109=32×(393-387)=433-84-120=199+229=932-163-14=692-(532-214)=580+160×6=81×9=354+(588-335)=410-249-100=949-689=76×8=820×2=598×9-170=108×(410-402)=96-57+339=83+289=667×(158-153)=159+322=423-347=1/6+5/6=395-181=949-308=675+(950-512)=565-(500-226)=472-(142+41)=475-109-125=279-(10+22)=975+194×3=353×3-713=72×(257-254)=237-159+332=272×3-373=620-(899-742)=406-(383-358)=319+(559-335)=441-(238-164)=4/8-1/8=294-235+12=100+(292-233)=946+931-968=210-173-19=146+80×3=483-72×3=6/10+2/10=158×(126-122)=71-44=227+584+123=368-252=283×3-476=38+788+864=644-(344+249)=152-75×2=783-(414+82)=625-122-390=344+40×9=338-(927-775)=104+(337-15)=52×5+662=286-31=184×2-112=255-101-109=300×2=440+(884-848)=313-103×3=156+775-683=996-(623+360)=305-275+438=310-37×5=182×(444-439)=344-40-245=683+251-327=100+148-202=169-17×3=979×4=83+101=168×4=90×(500-493)=142×6+303=355-214+201=871×(838-831)=349-35=892-84×3=390×(243-235)=284+62×9=393+73×8=98×2+498=274-(257-182)=315-(169+83)=3/6+2/6=415-310-10=248×(451-448)=142×3-184=855×3=177×3-12=390×4=396-21×5=239×2=281+29×3=120-80-40=647+(437-219)=77+68+435=163-121+371=544×2=483-53×8=351-63×2=232×5=287+(861-97)=60-50=215-(74-70)=245×3=493+974+471=310+537=165+340=442-126=715+553+752=478-(297-37)=240+163=779×4-814=332+372-421=197-157=305-(272+23)=447-(406-171)=124×8+520=257-(371-200)=572+935+525=565+750=196×5-433=294+132-33=295-203+63=447-144+61=91+38×9=794+147=861×(843-834)=27+(283-116)=915-(182+723)=465-(366-83)=408-139×2=5/9+2/9=323+(890-537)=382-189-170=325×3=395-36×2=244-(787-662)=367-(349-286)=199×3+371=91×8=200+49+539=154-39=420-(102+36)=180×3-207=465-406+417=921-641=723+173=53+803+906=562-389=672×(61-52)=649×(337-331)=534-98=311-(43+74)=350+302+455=877×(115-110)=255×2-217=136-(44+64)=428-(301+91)=439+(420-378)=259-49+96=317-(453-399)=443×8=71+580+39=408×(496-492)=470-(407-66)=944-794+536=434×2-217=167+195×4=443+186+67=736-(549+121)=184+258-119=483-38×3=279-256+202=905-218-119=879×5=458×2-858=672×6-224=450-126-134=599×9=268×2+243=203+550+143=343-45+92=463-(237+132)=3/5-1/5=528-107-329=146+179-66=360+824-400=311×7-673=162+149=147+470+269=125-90=31×(382-377)=374+955-652=111-66+368=368-(922-906)=288-226-29=参考答案869+108-684=293202+181=38352×9=468128×4+131=643748-361=387171×2=342115+296=411260-(101-23)=182945+(794-613)=1126450+558-78=930379-118×2=143189×3-258=309650×(70-65)=3250136+246-39=343729+807+630=2166278+(394-232)=440452-(307-174)=31978×(336-333)=234229+440+183=852214+730+969=191359+532+304=895232-14×9=106548-241+802=1109527-208×2=111441-(377-287)=351224+(792-395)=621158+143-254=47165×4-108=552100+(189-40)=24949×5=245433-79=354935-252+570=1253398×2-112=684865+651-186=1330785×3-318=2037166+554=720776-(417+77)=282403-51×7=46830-(296+99)=435853×(180-175)=4265406-202+44=24884-79+35=40474-(349-66)=191252+546=798779-(43+158)=578956-(982-197)=171229-167+159=221324-72+65=317427-182-19=226937-255=682422×3-929=337363-(143+128)=92172+88-58=202325+(594-416)=50371×9+189=828382+42-188=236714-83+467=1098530-83×6=32260+(270-78)=452477-(261-119)=33590×8+147=867401-49=35216+(209-74)=151138+825+887=1850421-(377-267)=311982-851=131690-298×2=94593×8=4744920-(280-37)=677138+280-184=23499×5+946=1441830-(248+280)=302586+888-979=495123+284×2=691334+491=825790×7=5530268-17=251808-32-49=727409+193=602105×3+375=690522+96+836=145473+(984-413)=644635-569=662/7+3/7=5/7399-(235-163)=327705×2-124=1286757+597=1354338-80-116=142182+568-521=229285+606+651=1542456-72×3=2402/3-1/3=1/3120+154=274161×8-356=932134×6-776=28205×3=615777-77-385=315803-689+592=7063/7+2/7=5/713+398-331=80345+171=516331+(802-445)=688911-483=428830+932=176248×2=96349-141×2=6765×8+51=571146×3=438645×4=2580282-177+551=656362+79=441314×3-389=5531/4+2/4=3/4635-88×5=195366×4=1464419-219=200876-(469+268)=139444+76×2=596351-206=14526×6=156803-442=361122+289+61=472269+146-336=79187×2-116=258113+(431-250)=294877-(18+824)=3549+169+714=932448-242-178=28153×4-429=18356+31=87284+(874-385)=773124+45×7=439683×4=2732239+(850-589)=500926×(487-478)=8334357-103=25414+343+347=70444+164=208852+836+255=1943219-158=611/5+3/5=4/5657×3-663=1308673+568+612=1853190-(32+19)=139277+96+123=496310-147×2=163/6-2/6=1/6907-(782-502)=627681-160=521114×(162-159)=342342-164=178634+444×2=1522313-(761-576)=128954-(166+598)=190851×(233-226)=5957440+(196-158)=478679×4-896=1820679-343=336737-(12+262)=463753-(968-515)=300387+(450-272)=565459-36=423376-36×5=196114×(39-34)=570827+234=1061437-64-136=237791+433-509=715341-(463-338)=21655×9=495107×7+114=863445+149×2=743394-(78+268)=4839+153=192763-259×2=245288+163-251=200880-42=838289+407+894=1590228×3=684484-(155+286)=43427-113×3=88466-342+345=469244+189-432=1422+960=1382680×7-582=4178351-(188+36)=127367+92-262=197127+357=484430-369+388=449883-66-200=617819×7-778=4955863-(79+50)=734524-288-52=184869-(378+314)=177426-20=406236×2-178=294479-(391+24)=64326-(161-37)=20237+44=81303-66-113=124430-(333-329)=4264/6-1/6=3/6276×(445-441)=1104429-(75+169)=185211×(270-266)=844851-428+845=1268194+15+226=43575+416=491473-191×2=91850-267-424=159380-(111+257)=12513+267-414=3661/3+2/3=1377-(101-66)=342229-159+92=162222+252-324=150387×(382-376)=2322720×8=5760678+(74-43)=709265+365×2=995222×4+106=994886-202-467=217851×(587-581)=5106139+336-228=247317+735-195=857424+63-200=287286-(540-509)=25559×6=354217-73=144688-276+813=1225231+77=308449-348+317=418132×8=105622×(452-449)=66378+(405-82)=701401-43×7=100116×(47-41)=696284+(360-334)=310450×(205-200)=2250425-(199+122)=104300×2-22=578293-29×9=3225+444-100=369998-153-584=261909-225×3=234591-(201+322)=68769×9-263=6658399-158-220=215/9-2/9=3/9157×4-146=482475-44×6=211800-117×3=449469-423+608=654438-(707-436)=167378+512=8903/6-1/6=2/6766-705=61673+183-331=525443×2-324=562460+658-614=504723-172×3=20743+225×4=943481-87-180=214445-435=10299-113+188=374455-(362-192)=285270×(449-446)=810232+982+122=1336139-98+43=84452-(43+370)=39748-59-38=651719×2-427=1011910-762=148356-190-35=131653-104×3=341236×(353-350)=708756-363=393598+986=1584502-160+741=1083111×6+211=87780+39-22=97105+185=290406-(347-158)=217863-631+367=599123×2+349=595106×6=636634-(984-446)=96207×4+137=965213+198=411753+897=1650116×5-432=148305-(119+164)=22145+134=279390-92-28=270177-71×2=35293-(773-538)=58294+(280-31)=543393-80-254=59542+140+885=1567932+659+77=1668796+22+11=829298-139=15977×7=539685-470=21561+222+437=72020+(403-100)=323869-233+438=1074578-106×2=366532+330-755=10768×4=272287×2-302=272149+812+704=1665961-30×2=901408-(171+200)=37902-266-217=419621×7-237=411028+(473-402)=9933×(430-423)=231371+39-390=20131×(392-389)=393315+(607-602)=320207×2-153=261425-210-13=202142+142=284500×2-613=387163-105=58424-29×2=366226+74=30020+73=93928×5=4640209+91=300160×(440-433)=1120149+520+136=805136+(869-72)=93311×(263-254)=99828-578+774=1024202+(388-131)=459307+541=848848-89×5=403279×8-969=1263485+(227-209)=503341+111×2=563701-477+778=100214×(250-243)=98296×(27-23)=1184314-14+168=468664×(316-311)=3320370-204=166350×2=700428-202+132=35880+86+187=353171-16×4=107855-(75+481)=299232×3+285=981690-(36+240)=414633+112+108=853132+340-244=22880+245×3=815312+465×2=1242184+217-356=45708-(114+314)=280687×6-932=3190196×3=588873-509=364701-480+880=1101347-64-84=199917-173-12=732179×5-724=171315+175-45=445324×3-616=356739-(29+403)=30736×8+56=344712+695-563=844318-44×2=23034×(467-462)=170676+849-494=1031981×(924-915)=8829686-(774-532)=444537-65×5=212396×2=792894-(505+197)=192296-31×8=48997+222+52=1271756×3=2268971+172-504=639204×(324-320)=81646×(222-217)=230847×9-314=7309399-(271+65)=63896+522+563=1981185-(92-27)=120447+(462-422)=487237-12×3=201286-273=13594-(210+288)=96486-240-192=54550+252+109=911255×3-451=314209-(477-463)=195947+342-430=859409+34×9=715262-(365-148)=45106+(279-123)=262996-192-142=662180+253=433601-114-283=20410×3=30367-(489-169)=47127-116+407=418171+312=483149-(56+19)=74832-(359-202)=675117×3-240=11138+875-629=284136×2=272446-218×2=10134+660=794937-354+710=129337×4+968=1116295-63+132=36499-14×6=15328-141=187730+143=873834-135-438=261279×3-652=185375-(496-401)=280153×(531-522)=1377146×5-471=259422+180×3=962630-27-224=379499-284-139=76961-(142+13)=806622×(754-751)=1866147×(147-144)=441248-(71+164)=13439-40=399204-(396-228)=36478-324+202=35637+445+499=981952-506-313=133312-192+172=292797×9=717377×3+427=658539+193=732827-128×5=187199×4=796162×(368-365)=486293×2-432=154999-862+853=990475+(433-267)=641967-312=65568×(622-613)=612717-87×2=543124+370-143=351743+929=1672865+125+361=1351578+(760-528)=810500-61-199=240105×5-10=51511+783+778=1572333+(272-242)=363193+79+277=549212+148=360346-(156-13)=20336-(209-189)=16499-100=399856-595=261397+62-151=308305×2+791=1401443-26+598=1015875-(620-473)=72864×8-140=372994-71+122=10455/8+2/8=7/8434+(880-129)=1185835×(28-25)=2505705×7=493513×(306-302)=52314+(145-98)=361174+226-163=237294-(175+100)=19147×(130-124)=882346-(417-306)=235311+121-116=31638+515+313=866496+94×9=1342945-359+314=900123×6=738480-100-141=239472-24×8=280100×7+298=998337+136+27=500696-(89+344)=263479-344=135603×9-638=4789568-76-228=264274+634-700=20898+(73-32)=13996+373=469837-(975-559)=421397×(848-843)=1985570+118×2=806998-359+245=884397-150-161=8661-(409-376)=28192+336+433=96175+625+92=792363-22-324=17573+(716-166)=11237/10-3/10=4/10846+18×3=900161+(965-595)=531879-127-452=3002/6+3/6=5/6208+388-141=455580-(554-264)=29024+399×2=822229+(492-491)=230426×2=852134×2=268322+116+360=79893-18=753/5-2/5=1/5386×2+95=867252-(23+33)=196345-(488-208)=65472-464+73=814/5-1/5=3/543+252-59=236471+(195-58)=608301×(488-485)=903576+25×7=75111+(497-416)=92384×2=768259×2+373=891998+716-235=1479145+229+385=75939+61=100336-223+195=308411-54×7=33928-(102+244)=582868+164+252=1284680-(117-13)=576209-(12+42)=155637-16×5=557710-(507-61)=264703+907-273=1337250+70=320761+(657-599)=819256+519-416=359174-(11+36)=127942×4=3768191×(484-480)=76487+57×8=543665-86=579968×7=6776864-188=676924-329-318=277725+(692-281)=1136775+592-698=669465+47+350=862504×(922-914)=4032676-507+898=106738×(384-377)=2664/8-3/8=1/8198×5-856=134164×6-76=90883+342=425498-183=31519×(439-435)=76130-14×2=102366-163+467=670286-27-158=101100+(115-114)=101278+880=1158465+319+533=1317576+996+405=1977412-35×2=3423/4-1/4=2/4466-(347-220)=339282-(103+80)=99853-(484-129)=498479-35-440=4937+983-785=1135367×4-568=900200×(261-258)=600710-503=207104×2+732=940753-(403+209)=141397-138=259734-63×5=419337-15×9=202487+341+87=91511×(427-424)=33469-43-160=266219+20-35=204370-(215+51)=104848+47×9=1271267×3=80166+(405-283)=18812+(616-200)=428877×(349-344)=4385594+65+850=1509919-575=344257+211=4682/8+4/8=6/8561+(109-70)=600215-135+166=246239+165=404316-(51+217)=48477-409+374=44274+(829-269)=634106×3-109=209372-40×5=172965+833+543=2341568-545+741=764429+(758-406)=781466+821-27=1260678+(382-82)=978357+707=1064307+222×2=751928-(482-171)=617548-269-151=128928+136+985=2049383-(67+23)=293296×2+385=977124×2=248348-21×2=306268-73+633=828719+518+259=1496986+(951-308)=1629216+111=327312×4=1248390-106-251=33271×3+91=904417-53×6=99470-96-306=68737-118×4=265615-25×5=490447-20-28=399835-18+813=1630671-(332+10)=329296-188=108236×2=472188×2+982=1358589×6=3534488+(218-156)=550715-297+167=585163+310-368=105426×8-525=2883196×5=980911-424-139=348471-(166+93)=212433-15-414=484×7+313=90143+169=21225×4=100914+87×5=1349246+164=410178×2-72=284230+(421-120)=531410-135×2=140643+166+109=91832×(393-387)=192433-84-120=229199+229=428932-163-14=755692-(532-214)=374580+160×6=154081×9=729354+(588-335)=607410-249-100=61949-689=26076×8=608820×2=1640598×9-170=5212108×(410-402)=86496-57+339=37883+289=372667×(158-153)=3335159+322=481423-347=761/6+5/6=1395-181=214949-308=641675+(950-512)=1113565-(500-226)=291472-(142+41)=289475-109-125=241279-(10+22)=247975+194×3=1557353×3-713=34672×(257-254)=216237-159+332=410272×3-373=443620-(899-742)=463406-(383-358)=381319+(559-335)=543441-(238-164)=3674/8-1/8=3/8294-235+12=71100+(292-233)=159946+931-968=909210-173-19=18146+80×3=386483-72×3=2676/10+2/10=8/10158×(126-122)=63271-44=27227+584+123=