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54+37+228=226+227=428-40×7=413-85+110=310×7=230-101+280=423+138×2=533-(533-379)=838-(107+36)=406-100-90=816+52×2=425-330+20=108-71=357+85+501=2/7+4/7=405+12-395=19+(304-175)=449-(389-170)=259+679-489=958+67×7=173×3+712=566+752=365-244=462-27=411-253+172=77+287+167=34×4=224+155×4=818+(682-382)=118×5-437=903-(690+124)=328×9-708=492+16×2=257+452=263-(338-190)=262-61=974×(299-294)=468-17-112=135×(229-222)=656-268+368=390-111-277=386-56-198=402-117=197-20×2=785+(941-717)=467-158-306=143×(398-395)=303-113=174+(970-213)=869-594+915=336+349=836-259×3=578-(830-775)=184+798=807-439=146-(66-52)=208+493=334-22-251=293×3-806=424-16-110=362-(80+279)=3/8+2/8=297×(717-714)=424+(387-182)=659+535+108=324-(12+94)=437-337+74=139+161-256=22+275+436=485-(69-65)=249-192=908-687-204=98+344-345=795-120-550=452-200+36=666+850-195=809-26×7=843-740=80×5=426-(482-366)=150+47×6=740+563=205+324=833+398×2=843×4=192-(377-319)=794×5=854-48×6=933×(116-113)=89+226+102=116-47+155=809-708=141×(28-23)=245-136+70=943-(494+30)=371-46×8=380×2=151+106+36=617-(262+278)=378×3=705×6-210=941+(432-393)=501+247+496=174×(292-283)=3/4-1/4=464-191×2=648-45-14=444-(47+154)=499+(901-284)=874-416+555=254+654-349=224+251=291-145+341=305+120+131=174+201=173+(265-106)=79×3-65=472-(74+326)=149×4+199=806-784=484-(355-72)=567+339=327-(989-665)=814+(655-536)=23×7=197-21-130=234+598-434=177×5+868=515+(963-621)=84+(359-296)=470-281=952+973-699=440+(152-110)=932-644=908×(737-731)=75+311=464-(833-565)=251-(922-920)=377×6=126+103+271=368-101=175+246-38=50+503+231=204+239-381=9/10-1/10=859+(490-28)=423-98-44=942-25×7=462-108=193+77=262+(309-19)=186+404=58+39×6=913+37+859=152×2=794-470-209=914+611+213=95×7-426=57×4=478+(36-16)=226-110+139=24×(240-235)=772-27×7=673-173=571+999-75=234+811+151=884-(857-151)=320×2-322=863×5=277-11×4=395-(416-28)=574-505+318=432-(168+230)=444-238+210=29+(328-276)=39+375-248=309-248=249×2+416=2/8+4/8=24+43=332-(253+40)=44-10×3=138+659-458=927+639-630=715-301-120=152-131+281=337-(201-151)=136+602+245=318+(464-179)=258+154=482×6-451=295-99+93=779-(630+112)=377-(381-337)=716-564=2/8+5/8=711+316-934=271+(241-96)=180×(165-160)=371+89=714+335+689=194×7-329=389-173=168×3-382=269×2+443=192×9-227=804-227-167=98+20=176+(422-234)=403×3-128=83+233+390=513-(732-584)=118+847-901=383+213+658=546-(667-438)=251×(178-170)=410×2-175=71×6+356=95×6=301×(234-225)=934-108=725-367=432+262×2=480-353=23+(587-274)=188-91+287=345-(199-163)=819×9-995=362+(388-21)=490+(76-38)=142×3-238=278+451+385=335-156×2=197+119=592+93×8=74×5=143×6-600=702+150-82=510-215-115=356-283=140×4=292-108+205=360-76-48=905-136-652=242-109+312=193+526=995-(391+445)=501-176×2=726+326-675=490-465=418+29-102=839-762+943=395-101×2=259+222×3=96+832-129=677+115×4=210+289-140=335×2+77=158×(123-118)=788-461+566=197-(322-251)=222+(412-298)=570×(187-178)=447-(268-178)=908-(144+63)=800-161-231=493+93=994×4=69×(141-134)=479-32-416=165+116-208=796-(53+718)=4/8-3/8=882-(277+90)=92×3=239-23-175=233+49=303×(337-334)=829-(136+82)=18×(36-31)=90+(435-246)=46+201+752=638-626+313=447+(351-76)=202-(187-61)=256+(816-620)=4/8+2/8=292-83=721+(711-322)=156+243-181=225-204+217=334×7=749-245+877=140-77-11=361+114=162×2=556-283=462×2=865+753-841=612+137=488-227-58=310×3=731×3-219=965×(383-374)=491-(293+49)=365-(142+66)=99-86+149=134+327-221=551-33×2=462×8-404=905-141-103=297-58×3=536+436-863=189-(16+55)=245×6=61×3+503=385+10-247=147×3-317=123×(59-56)=649-(806-746)=721-508-98=183-13×9=34×6-145=487-180=135-(382-351)=585-340+186=826-(517+68)=476-(276-228)=442×6=249×(498-494)=613×9-142=495-62×3=791-418+365=2/6+3/6=39+207+654=855×9-311=417+616-211=972-(477+247)=894-(38+88)=443×2-410=168-(313-193)=36+(360-153)=148×4=911+266×3=492-215-137=819×(781-773)=598-155-336=88-(470-435)=18+985+896=889-512-112=771×4=278×2=598-396-142=461-(497-452)=210-30×3=51×3=3/9+4/9=959-78×2=570+342=291+103-363=56×9-312=560+379+146=340-(163+110)=273+370+244=467-(428-382)=73+500+488=227-101-95=872+(565-401)=736-73-298=465+126=5/7-1/7=231×2+700=484-48-383=4/6-2/6=51+829+869=673×(810-803)=347-(137+83)=434-78-95=369×(626-623)=273×3-619=956×4=348-329+416=67×(37-31)=158+123×4=1/4+2/4=42×4=818×8=616+202+180=159×(424-420)=65+157-164=374-81×2=334-190=36+455-218=372+307+458=952-79-626=169×3+393=198×9=498-288-77=45×(208-204)=772+(641-272)=338+(353-344)=909×6=399-189×2=200-(324-218)=102×5+433=160-40×4=242-125=357-(323-237)=211-12×3=673-472=307-209-61=138+324-317=78+397-13=17×9+96=43+(655-539)=437-176=243-18×4=18×(216-209)=182+76=896+957+461=318-275+312=844+(883-562)=628+674+86=950+524=380-19=474-(496-458)=600-(462-262)=63×(272-265)=123+125=312+66×4=624-(422-194)=82+153×6=855+187=896-(379+220)=788-(121+413)=419-23×6=595×(497-490)=421-243-128=650-(539-498)=836-813=827-(317+283)=884-(449+232)=351-(32+295)=214+71×6=28+39=108+224=305×(723-718)=443-35×8=20×5+158=273+203-195=102+332-253=482×(164-157)=244+120=412-50-94=384+89=22×(109-100)=784×(183-180)=52×2+351=148+140+629=486-(94+65)=52+42=42×9=52×(233-230)=2/4-1/4=307×2+635=90+30=80+145-146=445-(261+148)=647+190-491=124+130=15×(386-381)=481-52×2=295-267=996×(864-860)=457-(248+200)=348×3-62=744-359+256=529-19=154+21+361=271-(146+20)=38×(44-40)=775-86-557=890-35+979=448-46×5=3/7+2/7=496+(480-252)=599+714=268+226=547+33-98=408-63×3=257+74-268=856-707+168=815-(613-492)=483×6-769=389-(421-173)=376-123-29=156×(473-467)=113×3+135=367+129=90-(100-79)=702-(849-592)=397+87=161×3-264=369+26×9=451×2-696=154×5-336=746+615-460=863+904-458=243-37×6=599+69×7=427-345=382-(902-685)=78×6-420=246+150-256=10+324+11=10×6+427=178×3+916=79×9=578-(322+186)=719+727-293=996+(341-123)=643-196×2=248-218=779-(549-17)=2/6-1/6=127-10×5=111-105+49=213-(18+115)=189×4=278×4-902=876-21×2=222+218=85×9=7/9-2/9=343-(53+267)=490-(306-223)=651×6-294=206-(914-711)=148×3+285=49+39=4/7+2/7=994+485+846=340-216+909=783+(885-551)=659×6-633=604-11×9=782+803-168=903-(94+621)=424+77=955×(996-989)=157×(297-288)=390-366+330=122+(329-308)=859-41-21=833-179×4=934-273+700=226-40=248×3-522=5/9-4/9=156×4=578-78+808=239-(15+15)=130×5-232=773-(387-106)=440×7=449×3=590×5-610=794-32×3=248-168=351-(72+155)=385×2+723=690×7=356-(23+159)=683-234=696+411+24=11+146+70=559×5=59×3+383=869-(374-84)=286+82=929+180=561-28=269-18-246=269-129-57=754-328×2=107+(434-411)=276-18×5=238-17×5=905×2-387=470+(761-547)=65×6+113=65×(313-306)=487-(291+144)=642-231-105=869×3-442=711-373-259=52×3=118×(281-275)=83+432+223=371+(402-296)=719-10×9=758×7-331=185-(447-428)=799×8-844=216-14=398-45×4=318×3=27×4+299=97×2=98×6+25=91+(277-54)=241×3-442=451-(125+99)=293-(374-334)=783-738=471-149-95=63+(314-134)=286×5=964-103×7=416-(60+191)=728-(557-556)=560-142-168=116+(909-472)=204×(157-149)=935×5=282+(456-372)=244+156-266=78+177+467=285+548+147=723×(61-52)=200+37=872+797-405=11×8=436-(363-73)=921-(788+62)=673×(251-248)=568-(45+492)=309×3-265=236+(406-293)=133+317=185×(862-859)=85×7-67=560-354=145×6-461=352-13-307=428+279+46=958-488+12=495+705+322=217+358+108=939-(195+177)=148×(266-261)=593-286×2=357-(47+81)=999-233×3=118+(902-287)=297-(456-320)=545×(536-527)=942-257+643=767-(554-194)=23+69=112×6-499=83×9+417=158×9-409=479-378-41=788-10×6=494-44-217=489-239+699=785×9-191=635+532+999=416-117+279=103-17-82=900+448+862=354+102×7=830-123×4=619-513=147+547+91=94×8+450=658+311=187-70×2=526+960-281=667-210=218-84×2=493-188=341+905-506=123+66×6=825-144=20+(108-98)=490-61×8=83-(27+15)=183+(940-456)=784-416+412=886-(369+396)=295-(698-578)=262+150+493=96×8=426×(645-640)=953-33×6=221+(683-646)=44-20+133=181+249-242=787×8-231=197×6-964=192×4+446=6/7-1/7=434-139-102=167×4-425=826+423-517=193×4+223=132+729+117=37+(55-54)=457+69×4=204×5-817=415-(83+331)=468+(933-750)=881-520-145=37×5+206=929-78+402=2/5+3/5=867+476-204=342+(987-376)=132+166-233=234×2=471-(132+319)=961+497=116-14×7=939+485×2=164×3-490=154+635=572-252+858=143×4-501=393+227×2=200×2-307=888+(788-107)=397-385+192=326-256=401-13×5=908-(510+222)=204-141+183=364-335+169=31×(401-393)=23×5=64+213-42=259-85=145×7=275+126+106=204-100+67=4/6+2/6=272-148=314-11-240=495+259+975=848-(199+239)=551-219=63+228=3/5-1/5=448×2-393=229+61+199=203-35-139=369-152-154=434-85×4=42×6=142×(362-359)=333+176+312=362-161=458+464+188=729-56×3=243+(355-255)=761-18×2=209×2=15×4-43=900-(639-79)=253+(143-52)=298-235=190×3+629=639+850+896=946-96+579=363-166-120=722-(487+27)=602-(424-296)=84×(36-32)=110+170-165=187×5=164×(201-197)=460-52=976-(153+76)=47-(416-415)=735×(766-760)=175+875-827=102-20+331=570-41+822=301-291+302=298+58-283=477+(351-292)=125×(287-283)=77-22×2=499-(288+15)=495+169=397-(499-124)=293+43+838=253-65+405=624×3=565-74+82=446+218×3=34×5=84+105=43+139×3=775-(30+67)=913×(517-509)=164×6=919-248-643=877+(889-255)=394-219=11+391+148=796×4-578=360-86=86-(414-355)=887×9=41+443-13=955-735=15+129×2=608-31+292=84+243=738×3-104=787+812-431=208+524=298×2-85=91×(126-117)=427-202=101×(198-194)=37+(416-20)=3/8-2/8=256-247+122=198+354+283=509+895=55+201×4=91×6=439-(47+278)=10+325×3=109×(243-240)=74+(751-741)=133-(312-220)=106+381+199=761-422-317=205+53+617=833-694+532=488-(86+188)=420-197+135=147+165-236=65×8=80-(22-20)=218+181=623-27×5=442-24×2=364-58-64=190+35-115=701-171=32+(271-188)=748×(252-244)=981-147×3=158+32+641=64+429+13=964-(726+69)=374+174×2=375-(169-22)=73+381=参考答案54+37+228=319226+227=453428-40×7=148413-85+110=438310×7=2170230-101+280=409423+138×2=699533-(533-379)=379838-(107+36)=695406-100-90=216816+52×2=920425-330+20=115108-71=37357+85+501=9432/7+4/7=6/7405+12-395=2219+(304-175)=148449-(389-170)=230259+679-489=449958+67×7=1427173×3+712=1231566+752=1318365-244=121462-27=435411-253+172=33077+287+167=53134×4=136224+155×4=844818+(682-382)=1118118×5-437=153903-(690+124)=89328×9-708=2244492+16×2=524257+452=709263-(338-190)=115262-61=201974×(299-294)=4870468-17-112=339135×(229-222)=945656-268+368=756390-111-277=2386-56-198=132402-117=285197-20×2=157785+(941-717)=1009467-158-306=3143×(398-395)=429303-113=190174+(970-213)=931869-594+915=1190336+349=685836-259×3=59578-(830-775)=523184+798=982807-439=368146-(66-52)=132208+493=701334-22-251=61293×3-806=73424-16-110=298362-(80+279)=33/8+2/8=5/8297×(717-714)=891424+(387-182)=629659+535+108=1302324-(12+94)=218437-337+74=174139+161-256=4422+275+436=733485-(69-65)=481249-192=57908-687-204=1798+344-345=97795-120-550=125452-200+36=288666+850-195=1321809-26×7=627843-740=10380×5=400426-(482-366)=310150+47×6=432740+563=1303205+324=529833+398×2=1629843×4=3372192-(377-319)=134794×5=3970854-48×6=566933×(116-113)=279989+226+102=417116-47+155=224809-708=101141×(28-23)=705245-136+70=179943-(494+30)=419371-46×8=3380×2=760151+106+36=293617-(262+278)=77378×3=1134705×6-210=4020941+(432-393)=980501+247+496=1244174×(292-283)=15663/4-1/4=2/4464-191×2=82648-45-14=589444-(47+154)=243499+(901-284)=1116874-416+555=1013254+654-349=559224+251=475291-145+341=487305+120+131=556174+201=375173+(265-106)=33279×3-65=172472-(74+326)=72149×4+199=795806-784=22484-(355-72)=201567+339=906327-(989-665)=3814+(655-536)=93323×7=161197-21-130=46234+598-434=398177×5+868=1753515+(963-621)=85784+(359-296)=147470-281=189952+973-699=1226440+(152-110)=482932-644=288908×(737-731)=544875+311=386464-(833-565)=196251-(922-920)=249377×6=2262126+103+271=500368-101=267175+246-38=38350+503+231=784204+239-381=629/10-1/10=8/10859+(490-28)=1321423-98-44=281942-25×7=767462-108=354193+77=270262+(309-19)=552186+404=59058+39×6=292913+37+859=1809152×2=304794-470-209=115914+611+213=173895×7-426=23957×4=228478+(36-16)=498226-110+139=25524×(240-235)=120772-27×7=583673-173=500571+999-75=1495234+811+151=1196884-(857-151)=178320×2-322=318863×5=4315277-11×4=233395-(416-28)=7574-505+318=387432-(168+230)=34444-238+210=41629+(328-276)=8139+375-248=166309-248=61249×2+416=9142/8+4/8=6/824+43=67332-(253+40)=3944-10×3=14138+659-458=339927+639-630=936715-301-120=294152-131+281=302337-(201-151)=287136+602+245=983318+(464-179)=603258+154=412482×6-451=2441295-99+93=289779-(630+112)=37377-(381-337)=333716-564=1522/8+5/8=7/8711+316-934=93271+(241-96)=416180×(165-160)=900371+89=460714+335+689=1738194×7-329=1029389-173=216168×3-382=122269×2+443=981192×9-227=1501804-227-167=41098+20=118176+(422-234)=364403×3-128=108183+233+390=706513-(732-584)=365118+847-901=64383+213+658=1254546-(667-438)=317251×(178-170)=2008410×2-175=64571×6+356=78295×6=570301×(234-225)=2709934-108=826725-367=358432+262×2=956480-353=12723+(587-274)=336188-91+287=384345-(199-163)=309819×9-995=6376362+(388-21)=729490+(76-38)=528142×3-238=188278+451+385=1114335-156×2=23197+119=316592+93×8=133674×5=370143×6-600=258702+150-82=770510-215-115=180356-283=73140×4=560292-108+205=389360-76-48=236905-136-652=117242-109+312=445193+526=719995-(391+445)=159501-176×2=149726+326-675=377490-465=25418+29-102=345839-762+943=1020395-101×2=193259+222×3=92596+832-129=799677+115×4=1137210+289-140=359335×2+77=747158×(123-118)=790788-461+566=893197-(322-251)=126222+(412-298)=336570×(187-178)=5130447-(268-178)=357908-(144+63)=701800-161-231=408493+93=586994×4=397669×(141-134)=483479-32-416=31165+116-208=73796-(53+718)=254/8-3/8=1/8882-(277+90)=51592×3=276239-23-175=41233+49=282303×(337-334)=909829-(136+82)=61118×(36-31)=9090+(435-246)=27946+201+752=999638-626+313=325447+(351-76)=722202-(187-61)=76256+(816-620)=4524/8+2/8=6/8292-83=209721+(711-322)=1110156+243-181=218225-204+217=238334×7=2338749-245+877=1381140-77-11=52361+114=475162×2=324556-283=273462×2=924865+753-841=777612+137=749488-227-58=203310×3=930731×3-219=1974965×(383-374)=8685491-(293+49)=149365-(142+66)=15799-86+149=162134+327-221=240551-33×2=485462×8-404=3292905-141-103=661297-58×3=123536+436-863=109189-(16+55)=118245×6=147061×3+503=686385+10-247=148147×3-317=124123×(59-56)=369649-(806-746)=589721-508-98=115183-13×9=6634×6-145=59487-180=307135-(382-351)=104585-340+186=431826-(517+68)=241476-(276-228)=428442×6=2652249×(498-494)=996613×9-142=5375495-62×3=309791-418+365=7382/6+3/6=5/639+207+654=900855×9-311=7384417+616-211=822972-(477+247)=248894-(38+88)=768443×2-410=476168-(313-193)=4836+(360-153)=243148×4=592911+266×3=1709492-215-137=140819×(781-773)=6552598-155-336=10788-(470-435)=5318+985+896=1899889-512-112=265771×4=3084278×2=556598-396-142=60461-(497-452)=416210-30×3=12051×3=1533/9+4/9=7/9959-78×2=803570+342=912291+103-363=3156×9-312=192560+379+146=1085340-(163+110)=67273+370+244=887467-(428-382)=42173+500+488=1061227-101-95=31872+(565-401)=1036736-73-298=365465+126=5915/7-1/7=4/7231×2+700=1162484-48-383=534/6-2/6=2/651+829+869=1749673×(810-803)=4711347-(137+83)=127434-78-95=261369×(626-623)=1107273×3-619=200956×4=3824348-329+416=43567×(37-31)=402158+123×4=6501/4+2/4=3/442×4=168818×8=6544616+202+180=998159×(424-420)=63665+157-164=58374-81×2=212334-190=14436+455-218=273372+307+458=1137952-79-626=247169×3+393=900198×9=1782498-288-77=13345×(208-204)=180772+(641-272)=1141338+(353-344)=347909×6=5454399-189×2=21200-(324-218)=94102×5+433=943160-40×4=0242-125=117357-(323-237)=271211-12×3=175673-472=201307-209-61=37138+324-317=14578+397-13=46217×9+96=24943+(655-539)=159437-176=261243-18×4=17118×(216-209)=126182+76=258896+957+461=2314318-275+312=355844+(883-562)=1165628+674+86=1388950+524=1474380-19=361474-(496-458)=436600-(462-262)=40063×(272-265)=441123+125=248312+66×4=576624-(422-194)=39682+153×6=1000855+187=1042896-(379+220)=297788-(121+413)=254419-23×6=281595×(497-490)=4165421-243-128=50650-(539-498)=609836-813=23827-(317+283)=227884-(449+232)=203351-(32+295)=24214+71×6=64028+39=67108+224=332305×(723-718)=1525443-35×8=16320×5+158=258273+203-195=281102+332-253=181482×(164-157)=3374244+120=364412-50-94=268384+89=47322×(109-100)=198784×(183-180)=235252×2+351=455148+140+629=917486-(94+65)=32752+42=9442×9=37852×(233-230)=1562/4-1/4=1/4307×2+635=124990+30=12080+145-146=79445-(261+148)=36647+190-491=346124+130=25415×(386-381)=75481-52×2=377295-267=28996×(864-860)=3984457-(248+200)=9348×3-62=982744-359+256=641529-19=510154+21+361=536271-(146+20)=10538×(44-40)=152775-86-557=132890-35+979=1834448-46×5=2183/7+2/7=5/7496+(480-252)=724599+714=1313268+226=494547+33-98=482408-63×3=219257+74-268=63856-707+168=317815-(613-492)=694483×6-769=2129389-(421-173)=141376-123-29=224156×(473-467)=936113×3+135=474367+129=49690-(100-79)=69702-(849-592)=445397+87=484161×3-264=219369+26×9=603451×2-696=206154×5-336=434746+615-460=901863+904-458=1309243-37×6=21599+69×7=1082427-345=82382-(902-685)=16578×6-420=48246+150-256=14010+324+11=34510×6+427=487178×3+916=145079×9=711578-(322+186)=70719+727-293=1153996+(341-123)=1214643-196×2=251248-218=30779-(549-17)=2472/6-1/6=1/6127-10×5=77111-105+49=55213-(18+115)=80189×4=756278×4-902=210876-21×2=834222+218=44085×9=7657/9-2/9=5/9343-(53+267)=23490-(306-223)=407651×6-294=3612206-(914-711)=3148×3+285=72949+39=884/7+2/7=6/7994+485+846=2325340-216+909=1033783+(885-551)=1117659×6-633=3321604-11×9=505782+803-168=1417903-(94+621)=188424+77=501955×(996-989)=6685157×(297-288)=1413390-366+330=354122+(329-308)=143859-41-21=797833-179×4=117934-273+700=1361226-40=186248×3-522=2225/9-4/9=1/9156×4=624578-78+808=1308239-(15+15)=209130×5-232=418773-(387-106)=492440×7=3080449×3=1347590×5-610=2340794-32×3=698248-168=80351-(72+155)=124385×2+723=1493690×7=4830356-(23+159)=174683-234=449696+411+24=113111+146+70=227559×5=279559×3+383=560869-(374-84)=579286+82=368929+180=1109561-28=533269-18-246=5269-129-57=83754-328×2=98107+(434-411)=130276-18×5=186238-17×5=153905×2-387=1423470+(761-547)=68465×6+113=50365×(313-306)=455487-(291+144)=52642-231-105=306869×3-442=2165711-373-259=7952×3=156118×(281-275)=70883+432+223=738371+(402-296)=477719-10×9=629758×7-331=4975185-(447-428)=166799×8-844=5548216-14=202398-45×4=218318×3=95427×4+299=40797×2=19498×6+25=61391+(277-54)=314241×3-442=281451-(125+99)=227293-(374-334)=253783-738=45471-149-95=22763+(314-134)=243286×5=1430964-103×7=243416-(60+191)=165728-(557-556)=727560-142-168=250116+(909-472)=553204×(157-149)=1632935×5=4675282+(456-372)=366244+156-266=13478+177+467=722285+548+147=980723×(61-52)=6507200+37=237872+797-405=126411×8=88436-(363-73)=146921-(788+62)=71673×(251-248)=2019568-(45+492)=31309×3-265=662236+(406-293)=349133+317=450185×(862-859)=55585×7-67=528560-354=206145×6-461=409352-13-307=32428+279+46=753958-488+12=482495+705+322=1522217+358+108=683939-(195+177)=567148×(266-261)=740593-286×2=21357-(47+81)=229999-233×3=300118+(902-287)=733297-(456-320)=161545×(536-527)=4905942-257+643=1328767-(554-194)=40723+69=92112×6-499=17383×9+417=1164158×9-409=1013479-378-41=60788-10×6=728494-44-217=233489-239+699=949785×9-191=6874635+532+999=2166416-117+279=578103-17-82=4900+448+862=2210354+102×7=1068830-123×4=338619-513=106147+547+91=78594×8+450=1202658+311=969187-70×2=47526+960-281=1205667-210=457218-84×2=50493-188=305341+905-506=740123+66×6=519825-144=68120+(108-98)=30490-61×8=283-(27+15)=41183+(940-456)=667784-416+412=780886-(369+396)=121295-(698-578)=175262+150+493=90596×8=768426×(645-640)=2130953-33×6=755221+(683-646)=25844-20+133=157181+249-242=188787×8-231=6065197×6-964=218192×4+446=12146/7-1/7=5/7434-139-102=193167×4-425=243826+423-517=732193×4+223=995132