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1/5+3/5=357+263+963=123×(493-488)=434-(317+105)=349×(231-223)=1/6+2/6=160+287=54-25×2=624×4-614=732+(955-581)=400-382+12=939+391-184=5/8-2/8=107×8-748=417-(163+67)=110+(953-508)=49+80=444+(299-150)=845-(48+541)=759-(632-367)=183+157×5=92×9+397=697+726+33=801×6=23×8=818+85×7=120+155+429=91×(354-348)=72+(455-125)=243+603-671=191+99=574×8=658+272+21=544-(110+89)=171×(381-376)=297-145-121=467×8-460=188+17-162=408-41-322=127+66×2=983-431-514=107+68=216+(211-114)=111×(137-128)=21×(17-14)=37×7+44=752-(35+578)=427-84-320=599+429-502=346+227=281×2=178+133+628=179-149+430=81×7+145=419+779=164+186+248=141+293-252=419×(706-701)=586×2=765-(299-24)=449+179=151-59×2=361+264-107=416-101=134+363=968-(814-467)=86×(355-348)=162+(867-164)=812-(484-114)=190+239-22=343-(74+259)=103×3=268-(144+65)=745×(878-872)=585+34+169=491-420=303+(467-37)=421-(251-15)=71×(729-722)=760×9=485-(483-374)=485-(439-239)=71+200=187+158-18=434×2-111=260+33+613=91×7-380=873-73×7=401-(410-53)=154+724-409=852-582-157=796-651=4/10+6/10=345-(321-96)=379-10+83=147+198=278+(291-242)=450-32-105=154+697=137×4-13=615+(367-270)=443-323-117=154-(319-310)=278-12=588+267=766-132-361=100×7=363-88-170=303-62×3=50×6+360=872+756-461=726-247-252=47+439+363=457-(353-296)=88×(425-416)=223+76=553×(572-567)=273+72×9=148×6-493=302+108=202+13-111=469×6-47=413-(111+10)=787×2-239=331+98-395=107×(76-71)=202×(54-51)=820+(993-713)=168-27-38=69×3+148=697-29=961-447-274=1/8+6/8=305+684-587=123+235-143=421-322=141-(73+49)=340+277=295+182×2=594+(905-141)=244+191=550-364+624=722-(141+499)=992-32+588=355-(62+174)=198×3-591=453×(571-566)=312-(17+19)=646-624+123=377-(180-116)=361+276+16=83×4=69×5+883=861+72-231=385+423+153=540×(981-973)=173×(319-316)=3/7+2/7=397-(192-46)=547+98=703-(774-581)=108+194-177=333+96+445=605+(975-750)=429×5-414=3/5-2/5=445-(327+93)=715-259=310+593-125=7/10+3/10=26×2+298=252-179+66=757-178×4=233×9-651=46+145=3/8+4/8=122×(350-343)=404+(173-127)=461+645=994-357-429=671-203×3=387+64×6=67×(97-93)=925×(320-317)=422-(92+44)=299+124=631-85=807-105×5=339+113+409=776-310+662=120+133×4=569+55+248=624-100×6=475+(442-298)=157+717-501=119+326-185=758-(27+340)=393-159=876×5-174=425-(273-67)=583×7-229=117+122=358-100×3=51×7+141=832-128×6=10+429-350=36×6-107=157×6=908+301-940=307×3-456=17+207+689=402-(420-114)=392-125+132=583×3=522+466=237-235+473=494-158=900+39×5=413-(125+268)=674-19×7=879-(288-48)=160+(447-442)=969-411-508=287+730-123=485-(273+200)=910-654+298=486-(314+154)=276×(55-52)=938+(466-80)=379-88×3=260-17×8=48×4=644×7=904+865-791=875-403=47×2=649×8-491=407×2-347=899×(410-406)=46+56=33×7=54+193=117×8+17=243-48×5=985+432+63=186×2=352-146-28=193-105+398=103×2-83=140×(447-444)=320+895-411=179×4=297+57=260×3=397-130-30=2/7-1/7=163×2-278=843-(85+670)=328+113=489+(500-205)=392-362+395=368-238+197=52+295+102=417-367=841×9-997=455-429+391=694+215+87=450+825+892=194-14×5=959×9=754+834=45+(52-47)=442-173+108=373-358+217=94×7=886-(72+317)=286-(192-165)=8/10+2/10=216-173+277=123+196+28=401-(436-131)=989-(686+84)=184-83=403-(224-115)=50×4=336-(119-118)=87+231-233=612-146=674+194+633=8/10-2/10=774+251×3=380-104×2=722+176×3=462-100×2=247+(148-132)=483-153-256=499×6=277+600+21=246-(441-408)=542-325=493+62+848=397-237=113+203=461-381+135=242+815-172=78×4=867+(777-416)=361+(354-34)=545×7-844=438+(401-159)=585+268=848-(434+210)=419-63-249=150+251=341×2+321=625×2-990=673+560-22=817-440=889+32×2=985-180-638=19×(146-138)=731+88+102=2/5-1/5=421-196×2=467×5-484=200×3+358=81-49=45-(271-257)=196+702+585=687+761+501=413-(381+20)=436×(32-29)=497-(465-91)=613+(514-412)=106×9-614=665×(829-824)=530+92+160=343-(285-91)=349+363=477-119+60=408×2-485=466-62+33=418-32×9=873+563-785=653+590-647=388×8-978=194×3-314=100×(405-398)=311+247×3=994-(221+311)=2/4-1/4=917-(972-849)=180+85×2=560-79×2=261+(493-241)=176+545=906-237-572=664+809+139=150-117=492+724+977=296-19-245=117+88×3=436-343-81=850×6=290-(96+183)=603×5-977=382-18×3=126+785+783=87×9+518=450+599+950=325×9-703=5/8-1/8=19×7=227+165=136×3+248=1/7+4/7=82×3=118+(375-286)=289+205=377-204=884+299-431=371-(407-306)=220+262-319=919-271-100=419-41-229=302×3+678=521+110=643-(448-314)=961-597+43=360+84-392=400×6=453-(127+104)=515×9=825+435=66×(371-363)=117+380+210=227+(847-727)=131-14+277=314×(149-146)=568×4=315-175+499=422+816+98=833×9-313=812+557+761=859-338-183=232-89=313-(461-166)=41×2=931-216-208=233-49-150=190-72×2=351+124=442+744-609=768+965+615=83+151×3=558+167+40=936-290-439=221×3=1/6+3/6=86+(309-248)=566-(379-116)=409-17×6=99×4=56+197=267+53-218=207-39+241=808-(537+97)=961-304-410=495-73×6=670×(890-884)=30+168+544=680-(587-213)=170-(166-31)=267×5=333-50×2=211×2=346-209-90=6/9+2/9=899-65-229=284-(353-223)=517-(713-410)=465-411=263-159-48=105×8-554=485-(385-43)=500-25×2=88×8=796-140×2=776-201-369=599-(142+274)=419-49-228=280×3-139=797-43×9=213+48+251=628+142=540-241=277+(395-121)=397-(126+39)=177+298-87=328-94+85=325+238=350-250=387-110+802=320-220+137=916-(145+501)=373+165×4=43×8=65×2+10=832+224+596=95-88+413=465-(410+50)=101×6=386-(337+36)=35+473+390=6/9-1/9=852+(666-268)=751+914=227×3=484-214×2=372-(74+227)=443-160=217×3=563×6-18=122×5+209=390+96-101=70+(239-132)=113×3-235=874-490-262=90×4=160-(146-73)=146×3+401=246×9=949-308=924-99-20=803-(690+53)=221×3+78=492-(376+43)=271×(129-120)=363+45×5=732×(456-452)=298+129×4=318×(424-421)=31+158+184=34×6=557×4=378-(826-560)=356+85=485-(214+176)=52×7+121=443×6=600-(13+14)=731-(961-950)=363-238+198=526-478+416=688+(744-62)=337-(104+29)=354-102=171+484+97=435+123=42×(153-144)=625+(971-159)=569-92=650-232=958-(103+162)=480-193×2=924×(375-366)=313-63+99=664+943-197=212+383+273=320×3+545=265-209+82=687×3=260+576+156=230-29×2=201-41×4=191+431-328=282-135+126=830-204×3=353+(708-409)=847-99×3=750-38+377=652-(755-657)=716+24×5=281+715-600=414-23=325+(724-196)=421-64=687-369-52=330+138-433=303-29-134=58×(319-310)=481-33-363=416×2-710=150×3-51=945+114+462=283-68-42=362+(396-34)=840×(603-594)=469+17-182=421-(82+73)=111+382-421=934×(590-587)=808-205×2=969×(569-563)=216-39=559+138-318=239+62+517=89+109×6=879-121+764=51×3+348=134+136×5=305×(150-143)=165-127-26=93×5+295=6/8+2/8=58+179=686+(730-418)=458+174+139=588+(405-57)=55×4+285=526-87+840=368-(991-970)=271+137=195-(18+120)=681+598=834-(249-26)=131+319=165-(986-848)=163×(250-245)=436+(457-245)=885-(289+390)=2/6-1/6=166+83+725=403-217-178=106+(441-106)=487-51-349=972+441=390-179-31=908-396-262=538-198-307=51+(210-113)=246-(495-387)=126+359-86=332-110=843-97×5=744-(648-244)=372-359=442-351=495+178+199=701-348+275=959×(75-71)=223-(18+149)=164+(263-213)=89+163-99=384-225=288+76×9=370+35-67=336-43×5=316-49×3=436-(412-237)=571-(290-224)=64×5=430+(254-99)=144+84×5=916-(618-131)=144+66×7=50×3+619=592-199-153=575-130+797=331-40=314-(51+129)=192×4=903×5=937×(843-838)=30×9-15=687+(686-472)=455-31-241=48+(163-28)=3/7-1/7=213+(354-24)=60×8-307=894-605+980=212-26+231=126-109+258=103-19×2=99×7-443=213+204-149=86-17=913+(752-377)=79+(275-81)=833-(491+328)=566+748-503=299+140-275=466-279+299=225+(458-283)=136+(334-94)=77+487+226=110×(470-464)=524+(203-202)=34×7=345-(197-50)=36+684-523=503-250-89=606-417+948=46×5=39×8+484=119×7-55=831-(676+16)=387-242=68+373-72=518+816+119=85+188×3=396-342=201+90=269×2+298=265-(17+95)=243+488=386-101-163=110×(373-370)=182×9-141=455-185=721-(12+674)=235+175=697-469=287×3-624=50+164=479-109=33+(473-274)=840-79×5=444+56×3=199×(906-900)=948+(156-89)=594-(189-177)=399+138-10=38×(376-373)=254-124×2=573-328=371-(56+303)=62×8-281=185×5-714=500×5-632=335+114=233×3+808=186×(139-136)=146×5-721=60×(393-385)=438+148×6=453-355=134+615+97=286-(190+25)=135+182-136=836×5=229-(407-266)=950+642-261=849-709+325=260-123×2=250×(519-513)=264-42-204=313+111=622-127×3=193×2=287-159+216=579-535=976-(725-697)=671×4=974-36+873=491-25×4=212-126=276-78×3=746-283=150-10×8=165×(358-354)=249-81=191-68+838=850×6-84=411-(219-130)=871-(216+61)=177-16×3=724+959+30=897-229+387=883-376-505=145+47-18=496+61+166=95×(39-30)=343×2-577=373-(50+152)=401-192-146=760-445=533×(399-394)=630-181+59=770-535+637=796-173×2=828-301+664=914×8=372-(198+79)=276+106=984-634=385×9-920=338-99-74=926+692+789=124×4-269=491-(470-91)=408-13×4=74-(239-218)=18×(356-352)=575-357-165=781-576+477=157×(769-763)=793×6=730-106×2=150+59×8=682+(770-190)=233+(487-445)=154+56-119=461-27×3=463+605=557-(102-77)=160+179=963-137×4=722-(403+304)=850-543+523=552-(320+196)=479×(892-884)=418-10×4=394×2-358=491-(466-92)=517-106×2=70×8+137=773-(80+270)=444-262=96×(228-219)=737+(693-444)=404×5=203×6-480=816+239+862=924-122×7=613×8=61-(31+15)=849×(49-42)=930-575-345=3/4-1/4=597-215+236=170+87+389=396-(51+39)=935-835=67-55=718-76-622=470-455+119=291-(942-809)=373+55×6=453-143-172=320+152-276=784-(917-910)=753+27+51=914-718-125=320×2=827-625+511=82+(60-11)=185×(317-313)=365+(398-356)=664-626=924-906=64×9-433=150+328-343=241×3-45=474+431-238=917-(878-773)=486-237+206=949-389+152=665×8-788=240+260-324=821-(47+121)=5/10-2/10=891×9-522=499-53×6=887×2=495×2+325=168+169=314+501=91-48=233-16×4=773-281×2=459+134×2=622+372+676=44×(708-702)=584-57×7=628+(311-183)=276-(10+175)=266×3-322=315-(790-739)=270+(408-305)=336-11×3=872+(271-36)=238+122+104=384-279+102=471×7-918=713-264=375×2=371-289=495×7-682=729-579=463-13-130=127+215=18×6+305=參考答案1/5+3/5=4/5357+263+963=1583123×(493-488)=615434-(317+105)=12349×(231-223)=27921/6+2/6=3/6160+287=44754-25×2=4624×4-614=1882732+(955-581)=1106400-382+12=30939+391-184=11465/8-2/8=3/8107×8-748=108417-(163+67)=187110+(953-508)=55549+80=129444+(299-150)=593845-(48+541)=256759-(632-367)=494183+157×5=96892×9+397=1225697+726+33=1456801×6=480623×8=184818+85×7=1413120+155+429=70491×(354-348)=54672+(455-125)=402243+603-671=175191+99=290574×8=4592658+272+21=951544-(110+89)=345171×(381-376)=855297-145-121=31467×8-460=3276188+17-162=43408-41-322=45127+66×2=259983-431-514=38107+68=175216+(211-114)=313111×(137-128)=99921×(17-14)=6337×7+44=303752-(35+578)=139427-84-320=23599+429-502=526346+227=573281×2=562178+133+628=939179-149+430=46081×7+145=712419+779=1198164+186+248=598141+293-252=182419×(706-701)=2095586×2=1172765-(299-24)=490449+179=628151-59×2=33361+264-107=518416-101=315134+363=497968-(814-467)=62186×(355-348)=602162+(867-164)=865812-(484-114)=442190+239-22=407343-(74+259)=10103×3=309268-(144+65)=59745×(878-872)=4470585+34+169=788491-420=71303+(467-37)=733421-(251-15)=18571×(729-722)=497760×9=6840485-(483-374)=376485-(439-239)=28571+200=271187+158-18=327434×2-111=757260+33+613=90691×7-380=257873-73×7=362401-(410-53)=44154+724-409=469852-582-157=113796-651=1454/10+6/10=1345-(321-96)=120379-10+83=452147+198=345278+(291-242)=327450-32-105=313154+697=851137×4-13=535615+(367-270)=712443-323-117=3154-(319-310)=145278-12=266588+267=855766-132-361=273100×7=700363-88-170=105303-62×3=11750×6+360=660872+756-461=1167726-247-252=22747+439+363=849457-(353-296)=40088×(425-416)=792223+76=299553×(572-567)=2765273+72×9=921148×6-493=395302+108=410202+13-111=104469×6-47=2767413-(111+10)=292787×2-239=1335331+98-395=34107×(76-71)=535202×(54-51)=606820+(993-713)=1100168-27-38=10369×3+148=355697-29=668961-447-274=2401/8+6/8=7/8305+684-587=402123+235-143=215421-322=99141-(73+49)=19340+277=617295+182×2=659594+(905-141)=1358244+191=435550-364+624=810722-(141+499)=82992-32+588=1548355-(62+174)=119198×3-591=3453×(571-566)=2265312-(17+19)=276646-624+123=145377-(180-116)=313361+276+16=65383×4=33269×5+883=1228861+72-231=702385+423+153=961540×(981-973)=4320173×(319-316)=5193/7+2/7=5/7397-(192-46)=251547+98=645703-(774-581)=510108+194-177=125333+96+445=874605+(975-750)=830429×5-414=17313/5-2/5=1/5445-(327+93)=25715-259=456310+593-125=7787/10+3/10=126×2+298=350252-179+66=139757-178×4=45233×9-651=144646+145=1913/8+4/8=7/8122×(350-343)=854404+(173-127)=450461+645=1106994-357-429=208671-203×3=62387+64×6=77167×(97-93)=268925×(320-317)=2775422-(92+44)=286299+124=423631-85=546807-105×5=282339+113+409=861776-310+662=1128120+133×4=652569+55+248=872624-100×6=24475+(442-298)=619157+717-501=373119+326-185=260758-(27+340)=391393-159=234876×5-174=4206425-(273-67)=219583×7-229=3852117+122=239358-100×3=5851×7+141=498832-128×6=6410+429-350=8936×6-107=109157×6=942908+301-940=269307×3-456=46517+207+689=913402-(420-114)=96392-125+132=399583×3=1749522+466=988237-235+473=475494-158=336900+39×5=1095413-(125+268)=20674-19×7=541879-(288-48)=639160+(447-442)=165969-411-508=50287+730-123=894485-(273+200)=12910-654+298=554486-(314+154)=18276×(55-52)=828938+(466-80)=1324379-88×3=115260-17×8=12448×4=192644×7=4508904+865-791=978875-403=47247×2=94649×8-491=4701407×2-347=467899×(410-406)=359646+56=10233×7=23154+193=247117×8+17=953243-48×5=3985+432+63=1480186×2=372352-146-28=178193-105+398=486103×2-83=123140×(447-444)=420320+895-411=804179×4=716297+57=354260×3=780397-130-30=2372/7-1/7=1/7163×2-278=48843-(85+670)=88328+113=441489+(500-205)=784392-362+395=425368-238+197=32752+295+102=449417-367=50841×9-997=6572455-429+391=417694+215+87=996450+825+892=2167194-14×5=124959×9=8631754+834=158845+(52-47)=50442-173+108=377373-358+217=23294×7=658886-(72+317)=497286-(192-165)=2598/10+2/10=1216-173+277=320123+196+28=347401-(436-131)=96989-(686+84)=219184-83=101403-(224-115)=29450×4=200336-(119-118)=33587+231-233=85612-146=466674+194+633=15018/10-2/10=6/10774+251×3=1527380-104×2=172722+176×3=1250462-100×2=262247+(148-132)=263483-153-256=74499×6=2994277+600+21=898246-(441-408)=213542-325=217493+62+848=1403397-237=160113+203=316461-381+135=215242+815-172=88578×4=312867+(777-416)=1228361+(354-34)=681545×7-844=2971438+(401-159)=680585+268=853848-(434+210)=204419-63-249=107150+251=401341×2+321=1003625×2-990=260673+560-22=1211817-440=377889+32×2=953985-180-638=16719×(146-138)=152731+88+102=9212/5-1/5=1/5421-196×2=29467×5-484=1851200×3+358=95881-49=3245-(271-257)=31196+702+585=1483687+761+501=1949413-(381+20)=12436×(32-29)=1308497-(465-91)=123613+(514-412)=715106×9-614=340665×(829-824)=3325530+92+160=782343-(285-91)=149349+363=712477-119+60=418408×2-485=331466-62+33=437418-32×9=130873+563-785=651653+590-647=596388×8-978=2126194×3-314=268100×(405-398)=700311+247×3=1052994-(221+311)=4622/4-1/4=1/4917-(972-849)=794180+85×2=350560-79×2=402261+(493-241)=513176+545=721906-237-572=97664+809+139=1612150-117=33492+724+977=2193296-19-245=32117+88×3=381436-343-81=12850×6=5100290-(96+183)=11603×5-977=2038382-18×3=328126+785+783=169487×9+518=1301450+599+950=1999325×9-703=22225/8-1/8=4/819×7=133227+165=392136×3+248=6561/7+4/7=5/782×3=246118+(375-286)=207289+205=494377-204=173884+299-431=752371-(407-306)=270220+262-319=163919-271-100=548419-41-229=149302×3+678=1584521+110=631643-(448-314)=509961-597+43=407360+84-392=52400×6=2400453-(127+104)=222515×9=4635825+435=126066×(371-363)=528117+380+210=707227+(847-727)=347131-14+277=394314×(149-146)=942568×4=2272315-175+499=639422+816+98=1336833×9-313=7184812+557+761=2130859-338-183=338232-89=143313-(461-166)=1841×2=82931-216-208=507233-49-150=34190-72×2=46351+124=475442+744-609=577768+965+615=234883+151×3=536558+167+40=765936-290-439=207221×3=6631/6+3/6=4/686+(309-248)=147566-(379-116)=303409-17×6=30799×4=39656+197=253267+53-218=102207-39+241=409808-(537+97)=174961-304-410=247495-73×6=57670×(890-884)=402030+168+544=742680-(587-213)=306170-(166-31)=35267×5=1335333-50×2=233211×2=422346-209-90=476/9+2/9=8/9899-65-229=605284-(353-223)=154517-(713-410)=214465-411=54263-159-48=56105×8-554=286485-(385-43)=143500-25×2=45088×8=704796-140×2=516776-201-369=206599-(142+274)=183419-49-228=142280×3-139=701797-43×9=410213+48+251=512628+142=770540-241=299277+(395-121)=551397-(126+39)=232177+298-87=388328-94+85=319325+238=563350-250=100387-110+802=1079320-220+137=237916-(145+501)=270373+165×4=103343×8=34465×2+10=140832+224+596=165295-88+413=420465-(410+50)=5101×6=606386-(337+36)=1335+473+390=8986/9-1/9=5/9852+(666-268)=1250751+914=1665227×3=681484-214×2=56372-(74+227)=71443-160=283217×3=651563×6-18=3360122×5+209=819390+96-101=38570+(239-132)=177113×3-235=104874-490-262=12290×4=360160-(146-73)=87146×3+401=839246×9=2214949-308=641924-99-20=805803-(690+53)=60221×3+78=741492-(376+43)=73271×(129-120)=2439363+45×5=588732×(456-452)=2928298+129×4=814318×(424-421)=95431+158+184=37334×6=204557×4=2228378-(826-560)=112356+85=441485-(214+176)=9552×7+121=485443×6=2658600-(13+14)=573731-(961-950)=720363-238+198=323526-478+416=464688+(744-62)=1370337-(104+29)=204354-102=252171+484+97=752435+123=55842×(153-144)=378625+(971-159)=1437569-92=477650-232=418958-(103+162)=693480-193×2=94924×(375-366)=8316313-63+99=349664+943-197=1410212+383+273=868320×3+545=1505265-209+82=138687×3=2061260+576+156=992230-29×2=172201-41×4=37191+431-328=294282-135+126=273830-204×3=218353+(708-409)=652847-99×3=550750-38+377=1089652-(755-657)=554716+24×5=836281+715-600=396414-23=391325+(724-196)=853421-64=357687-369-52=266330+138-433=35303-29-134=14058×(319-310)=522481-33-363=85416×2-710=122150×3-51=399945+114+462=1521283-68-42=173362+(396-34)=724840×(603-594)=7560469+17-182=304421-(82+73)=266111+382-421=72934×(590-587)=2802808-205×2=398969×(569-563)=5814216-39=177559+138-318=379239+62+517=81889+109×6=743879-121+764=152251×3+348=501134+136×5=814305×(150-143)=2135165-127-26=1293×5+295=7606/8+2/8=158+179=237686+(730-418)=998458+174+139=771588+(405-57)=93655×4+285=505526-87+840=1279368-(991-970)=347271+137=408195-(18+120)=57681+598=1279834-(249-26)=611131+319=450165-(986-848)=27163×(250-245)=815436+(457-245)=648885-(289+390)=2062/6-1/6=1/6166+83+725=974403-217-178=8106+(441-106)=441487-51-349=87972+441=1413390-179-31=180908-396-262=250538-198-307=3351+(210-113)=148246-(495-387)=138126+359-86=399332-110=222843-97×5=358744-(648-244)=340372-359=13442-351=91495+178+199=872701-348+275=628959×(75-71)=3836223-(18+149)=56164+(263-213)=21489+163-99=153384-225=159288+76×9=972370+35-67=338336-43×5=121316-49×3=169436-(412-237)=261571-(290-224)=50564×5=320430+(254-99)=585144+84×5=564916-(618-131)=429144+66×7=60650×3+619=769592-199-153=240575-130+797=1242331-40=291314-(51+129)=134192×4=768903×5=4515937×(843-838)=468530×9-15=255687+(686-472)=901455-31-241=18348+(163-28)=1833/7-1/7=2/7213+(354-24)=54360×8-307=173894-605+980=1269212-26+231=417126-109+258=275103-19×2=6599×7-443=250213+204-149=26886-17=69913+(752-377)=128879+(275-81)=273833-(491+328)=14566+748-503=811299+140-275=164466-279+299=486225+(458-283)=400136+(334-94)=37677+487+226=790110×(470-464)=660524+(203-202)=52534×7=238345-(197-50)=19836+684-523=197503-250-89=164606-417+948=113746×5=23039×8+484=796119×7-55=778831-(676+16)=139387-242=14568+373-72=369518+816+119=145385+188×3=649396-342=54201+90=291269×2+298=836265-(17+95)=153243+488=731386-101-163=122110×(373-370)=330182×9-141=1497455-185=270721-(12+674)=35235+175=410697-469=228287×3-624=23750+164=214479-109=37033+(473-274)=232840-79×5=445444+56×3=612199×(906-900)=1194948+(156-89)=1015594-(189-177)=582399+138-10=52738×(376-373)=114254-124×2=6573-328=245371-(56+303)=1262×8-281=215185×5-714=211500×5-632=1868335+114=449233×3+808=1507186×(139-136)=558146×5-721=960×(393-385)=480438+148×6=1326453-355=98134+615+97=846286-(190+25)=711