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

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦861-299-375=107-28+241=280+(349-178)=143×(21-15)=162×3+450=680-(474-99)=861-339=809×4-718=336-(184+102)=125+283=407+29-97=772-711=435-34×4=446-(68+365)=296×7=627×(174-171)=778+745=3/5-1/5=315+(482-140)=241×2+31=816×4=108×7=217+(474-196)=729+(815-32)=80×6-411=372+(76-11)=978×8=332-73+85=627-86×7=714+157×5=364×2+609=407×2-75=185-(403-308)=111×4=360+45-263=925+(884-783)=367+39×4=919-(909-289)=412-78×5=145×2=186×(89-81)=456-177-51=481+74×9=227+501+30=428-(412-319)=281-17×5=900+536-634=289+(241-207)=330+80×8=389-(81+84)=8/10-1/10=872-504-115=201+233+207=425-(57+296)=476-422=380×2=403-162=315×(142-134)=42×(67-59)=922-259-103=156×(227-224)=720-106-163=73+46×8=105×9=278+375=470-205-20=327-69×2=425-10×5=69×2+963=842×4-256=58+(249-166)=797×(193-190)=98×4+480=699×(635-627)=741+(367-29)=251+32×6=494-(111+203)=777+743-248=421×3=439-(41+143)=401+(576-172)=379-64-27=228+102-82=64+318-263=81+251+503=696+309=97-64+226=752+742+943=472-274=346+288×2=331+155=470-(413+47)=497-(435+14)=384-297+389=142×(251-245)=515-333+505=494-(236+249)=963×6=280+141-191=115+343+156=200+955=821-(474+242)=157×7-746=474-268+845=478+134×3=778×3-497=626-84×2=302+72=580-(537-242)=506-505+464=234+191+191=493-416=336+270+70=295-47=34+191=869+222×4=499-67-247=141×(353-349)=357-(277-252)=960-(91+252)=548-261=555-(916-450)=891-597+200=476-(269+183)=214×4+144=234+466=948-218-362=101-(49+32)=315+159-133=351-(132-39)=201×9-513=263+182+509=84×2=697+287=873+693-483=71-19+409=709+153+651=305+191=122×8=187×2+185=113×(23-16)=40-(339-320)=32×7-182=653+(975-387)=299+119-97=557+54+228=211-31-130=62+(987-512)=595-72×7=397-81-195=480-(228+104)=103+361-106=125×5=308-(10+88)=85+496=515×(926-923)=99×9-540=449-37×8=216+143=887-(174+607)=459-71×2=92+(977-441)=777-54×6=505+585-89=100+64+150=938+562+503=482-427+19=191×8-392=738-426-288=817×2=228+26×5=65×7=97×5+421=119×3+511=787-(963-594)=394-(467-275)=144×3=253-(365-216)=644+610-11=169×4-58=269-60-156=421+75=409-(244+45)=171+292+402=694-(840-356)=243-97=383-25=398-132-167=494+74×5=88×(312-306)=724-125=367-103=335+144=978-116+792=87×4=257-56+234=285+768-571=967-64×7=222-(14+11)=475+(242-135)=142-(250-227)=56×9-363=388-(262+44)=461+(323-13)=121+41×3=158+749-393=246-(194-55)=72×8-571=311+(627-330)=437-(124+303)=413-79×3=290-(90+121)=541+163-365=477-282-37=153×6-778=304-181+122=189×(539-530)=65+186=241-24×4=555×4=354-263=103+100-174=277-78+201=329-222+71=322+12-30=356+(391-100)=129×(336-330)=924-231=394-188-180=422+236-456=570×2-602=751-165×3=5/7+2/7=160×(240-237)=101×4-314=34×9=101+545+300=411+860+94=255+195+210=2/6-1/6=40×7+392=466+(372-179)=328-83-99=439×2-217=446-195×2=977-79×3=262-(410-204)=166×6+887=465-(981-817)=3/6-2/6=154-60=79+270-109=696-(87+109)=105+(582-306)=934+137-654=432-288=208+657+104=418-140-151=175×4-125=39×7=663-63-551=164+971+750=545-(295-182)=897-(735-343)=337+135-134=94×3=78×6-402=157+223=450-83+409=424+45×4=203-153+50=895+747-35=864+(792-659)=159-80=408+(338-169)=491+603+973=848-(203+530)=171×2+12=425-(424-248)=235-(25+181)=230×(32-23)=873+788+169=137-18×7=453-74-241=401+653=321-253+207=182+668=93-23+369=620-24×4=288+970+862=437-61×3=20+320-217=266-125-103=447-(94+127)=862+(483-304)=474×2=60×6+296=160+318-403=239+21-207=120×4=347+124-330=947-(904-654)=804-46+367=290-(114+15)=315×2-351=466-402=154+162=553-108×4=205-14-135=308+(336-13)=747-(788-128)=11×(124-118)=512+(434-198)=171+(285-37)=131+132-51=134+119+133=435×9-38=161+272=182-(555-497)=546-75-256=743×(261-254)=694-(123+157)=477-135+587=411-349=938-(406+437)=231+(846-548)=1/7+4/7=364-104=233+226=786-(481+102)=480×8-704=625-290+975=131-65-45=556-42×8=361-111=192×3-509=536+321-169=30×(265-259)=170×8=480-140-186=390-18-195=163+417=895-(285+79)=991-(305-211)=591×8=535-65=278×3=411-(109+79)=748-90-403=348+(259-198)=267-(180-148)=2/6+3/6=510+827=936-645-44=479+557-29=36×8=111×6-55=117+343=358+503+121=5/8+3/8=4/7+2/7=372-137-153=210+84=578+187=835-(199+369)=177+328=588+205=488-250+171=229+138×4=87+15+649=253+(652-388)=469+956-818=28×(74-65)=335-(329-187)=918-540-32=604-61-394=511-(63-51)=247+117-186=502-117+723=72+208+351=371-(252-126)=250-(203-178)=860-613-130=467-36-255=180×4=160+731+463=444×2-685=312+(589-310)=5/7-1/7=433-139+90=739×3-511=408-223+33=4/8-3/8=407-(641-406)=901×(233-227)=239×(803-796)=316+79+307=314+492-283=146-40×2=67+145=501-168-223=32+918-20=53×6+189=47+541+74=279+106-65=314-(433-337)=210-54×3=181×4=588×8-379=782+289×3=12+(45-39)=408×(776-770)=458×6-175=966-656+147=12×9+520=247+(510-403)=83×6=704-(347+289)=479-(358-273)=783-45×7=720+254-595=434-46×9=462+(859-464)=144×(435-429)=869×(686-680)=223+(274-25)=417-(301+32)=404+149×2=636×(236-233)=624-(428-164)=774-285-233=211×6=449-(250+153)=250×4-209=38×5=527+811-91=248-(229-146)=702-(142+423)=943×9=125+417+280=352-69×3=7/9+2/9=315×3-23=909-(209+282)=335-316=487-(193-64)=105×4-266=210+34×8=343+423-321=543-(831-370)=885-(49+834)=66×(123-120)=194+285=749-(413+90)=464-58×3=473-(110+181)=698+128+119=1/6+2/6=46×6=1/6+5/6=136+170=298-180+843=249+168=749-(153+410)=415-383+518=845+581-589=830-(795-69)=734×(795-790)=41×9-354=861-26×9=336-270+243=543-150=846-341+408=104+169+365=602-(133+308)=77+536-149=500-(20+191)=38+129=678×2-862=49×(450-441)=713×3=143-81=753-346+584=372×5-493=196×2-201=967-215-539=123+348=212-(480-291)=818-33=659+463+222=572×9=86+87×5=34×6+485=515+96+256=647×(537-534)=105×(453-449)=88+264×2=506-(169+71)=699×(839-834)=318+691=417-214=197+(369-56)=262-98=383-128+118=831×7=274-12×9=246-41×3=447-(221+140)=14×(38-33)=873-667-89=494+(422-349)=161×(344-340)=35×(409-401)=635-253-193=937-713=71+167+554=904×5=305-(375-299)=806+106+14=870-(822-207)=56×(54-45)=679+11×7=59×(265-257)=353+124×6=173-38+252=173×4-393=201-(340-330)=33+466-130=81×8-512=16+(432-158)=439-(301-300)=357-197+17=204-13+577=81+(385-83)=494-280-178=72×(406-402)=453-294+216=39+439-108=556-179=48+176-91=417×2+602=38×7+201=2/4-1/4=523-(373+120)=71+503+147=801-190×2=283×2-311=660-121+306=45+(329-173)=571+201=287×3=693-(693-677)=584+24×2=359-120×2=101×9-249=11×5+374=116-97=804+242-959=135+82×4=261+214-186=989-(927-848)=289-63-75=97×9+625=497-(108+230)=408+935-117=703×5-441=42×3+235=68-38+297=468×2+485=3/7-1/7=43×(107-101)=406-56×7=699+(301-239)=441-(208-141)=284×2-48=235-21-31=268-51×5=413×5=295+182-461=710×8-225=119-119+151=36×(496-488)=327+99=570+790+909=217+143+333=891-39-801=38+(193-86)=49+(495-337)=19×2+244=991-(480+228)=802-348-155=441-72×2=466-138×2=305-32×3=245-222+146=85+(437-127)=333-(146+106)=216×2+78=123×8-25=133-(38+93)=447-22-261=173×9-971=79×2=449-105-234=3/9-1/9=885-82×9=307+219+609=344+(775-358)=169-49×2=3/5-2/5=304+(469-232)=57×3+95=484+(452-432)=388-299+311=228×2-284=764-177-265=418-(163+119)=242+428+301=959-(485-243)=200-61+623=682-79×7=338×7=427-345=787-232=917-54=847+(967-488)=51+301-106=839×4=96×(309-303)=12×7=3/8+2/8=253+167=835-(241+82)=169×9=910+347=159+180×3=220-26×4=256+718-889=90×2=799-165×2=494-371-10=804×(329-325)=901-(435+279)=411×8-599=407+34-167=238+(298-285)=432-112-320=348-169=825+434-650=375+372=40+422+354=131-24×3=220+136-34=629×(741-737)=628-164×3=468-(102-17)=373-302=430×3=259+509+221=463+(452-47)=20+(396-366)=107×(240-232)=488-449+933=475+(189-154)=897-832=245-218+133=217-(302-251)=407×7-270=602-263=404-(725-565)=413×3-465=258×2-122=660-223=901-267+320=180×2-102=660+405-605=658-353-238=57+(393-268)=290-(418-150)=63×2+317=496-413-24=800×5=510×6=148+(367-253)=4/7-3/7=662×2=856×6-718=92×5+513=392+70×7=256+247=249×(450-445)=851-164×3=235+(389-93)=299-46=425-169=481-36×6=432-104×4=867-672+402=126+84=381-88+206=449+24-230=256+55=78+93+783=163+55=145×6-833=214+103=573-362=360-261+159=19×6+159=181×6-584=294-95-44=662+527+254=771-415-294=70×3=126×5=493-421+175=83-67+586=465+(440-126)=857-47-284=443×(488-481)=792-(515-114)=967+604+295=91×8-448=32×3+445=2/8+4/8=656+162×3=188+75=855+640+191=32+73×9=343-(126-69)=383-(443-401)=351-(19+260)=280×3=289-53-210=413-78=212-11×6=716-(191+36)=598-192×2=478-(468-199)=97+258-171=110-30×3=251-58×2=252×(59-56)=412-238-75=262+875+160=204-16×3=169+203=2/3-1/3=234×9=552-401=928-(765+109)=315-(449-150)=492×8-42=626-88=122-45×2=258-168-44=387×2+79=194×3-134=456+505+345=411-373=617+582=340-(404-139)=495-87=638-438+121=831+(911-864)=954×6=132-96+353=200+88+475=452×4=378-(86+212)=954+613+401=643×(366-360)=60+160=957-64×7=291+188=949+89+732=414-(638-594)=753+702+95=394-120-67=269+229=127×(391-388)=402-50-164=91×(210-202)=92×(110-105)=264+120-310=753×(280-272)=938+884+401=57×(68-61)=256+(476-167)=69+14+863=512+(363-86)=402+92=347-200=146-23=265-(20-13)=48×(227-221)=898+352+449=157+(994-885)=335+35-303=179-133=295-81×2=729-(451+99)=698+474×2=305-34=558-284+250=211-177=145-21×6=415-123×3=458+591-561=1/7+5/7=209-128=905-632=524-306+728=990×5=629×9=322+33×2=773+(625-485)=997+509+94=851-594=175×5-866=504+563+961=725-669+966=74×(725-716)=2/9+5/9=180+(255-101)=951-215=17×(119-113)=122-99=39+515-67=632-(171+353)=883+798+173=768+907+88=193×(465-461)=332+203=230-76=878-278-42=39+127=878+375+30=106+20×9=123×8=47+13=107+627=727-74×9=997-571-143=484-190+198=370-157+614=241×(354-345)=766-(894-790)=35+175=823×(237-231)=238×3=576-103+204=248+533=51×8-29=491-(351-154)=406-308=931-(377+461)=341+602=112-78+143=663+990-391=241×3-170=341×5-701=658-142×3=228-18=參考答案861-299-375=187107-28+241=320280+(349-178)=451143×(21-15)=858162×3+450=936680-(474-99)=305861-339=522809×4-718=2518336-(184+102)=50125+283=408407+29-97=339772-711=61435-34×4=299446-(68+365)=13296×7=2072627×(174-171)=1881778+745=15233/5-1/5=2/5315+(482-140)=657241×2+31=513816×4=3264108×7=756217+(474-196)=495729+(815-32)=151280×6-411=69372+(76-11)=437978×8=7824332-73+85=344627-86×7=25714+157×5=1499364×2+609=1337407×2-75=739185-(403-308)=90111×4=444360+45-263=142925+(884-783)=1026367+39×4=523919-(909-289)=299412-78×5=22145×2=290186×(89-81)=1488456-177-51=228481+74×9=1147227+501+30=758428-(412-319)=335281-17×5=196900+536-634=802289+(241-207)=323330+80×8=970389-(81+84)=2248/10-1/10=7/10872-504-115=253201+233+207=641425-(57+296)=72476-422=54380×2=760403-162=241315×(142-134)=252042×(67-59)=336922-259-103=560156×(227-224)=468720-106-163=45173+46×8=441105×9=945278+375=653470-205-20=245327-69×2=189425-10×5=37569×2+963=1101842×4-256=311258+(249-166)=141797×(193-190)=239198×4+480=872699×(635-627)=5592741+(367-29)=1079251+32×6=443494-(111+203)=180777+743-248=1272421×3=1263439-(41+143)=255401+(576-172)=805379-64-27=288228+102-82=24864+318-263=11981+251+503=835696+309=100597-64+226=259752+742+943=2437472-274=198346+288×2=922331+155=486470-(413+47)=10497-(435+14)=48384-297+389=476142×(251-245)=852515-333+505=687494-(236+249)=9963×6=5778280+141-191=230115+343+156=614200+955=1155821-(474+242)=105157×7-746=353474-268+845=1051478+134×3=880778×3-497=1837626-84×2=458302+72=374580-(537-242)=285506-505+464=465234+191+191=616493-416=77336+270+70=676295-47=24834+191=225869+222×4=1757499-67-247=185141×(353-349)=564357-(277-252)=332960-(91+252)=617548-261=287555-(916-450)=89891-597+200=494476-(269+183)=24214×4+144=1000234+466=700948-218-362=368101-(49+32)=20315+159-133=341351-(132-39)=258201×9-513=1296263+182+509=95484×2=168697+287=984873+693-483=108371-19+409=461709+153+651=1513305+191=496122×8=976187×2+185=559113×(23-16)=79140-(339-320)=2132×7-182=42653+(975-387)=1241299+119-97=321557+54+228=839211-31-130=5062+(987-512)=537595-72×7=91397-81-195=121480-(228+104)=148103+361-106=358125×5=625308-(10+88)=21085+496=581515×(926-923)=154599×9-540=351449-37×8=153216+143=359887-(174+607)=106459-71×2=31792+(977-441)=628777-54×6=453505+585-89=1001100+64+150=314938+562+503=2003482-427+19=74191×8-392=1136738-426-288=24817×2=1634228+26×5=35865×7=45597×5+421=906119×3+511=868787-(963-594)=418394-(467-275)=202144×3=432253-(365-216)=104644+610-11=1243169×4-58=618269-60-156=53421+75=496409-(244+45)=120171+292+402=865694-(840-356)=210243-97=146383-25=358398-132-167=99494+74×5=86488×(312-306)=528724-125=599367-103=264335+144=479978-116+792=165487×4=348257-56+234=435285+768-571=482967-64×7=519222-(14+11)=197475+(242-135)=582142-(250-227)=11956×9-363=141388-(262+44)=82461+(323-13)=771121+41×3=244158+749-393=514246-(194-55)=10772×8-571=5311+(627-330)=608437-(124+303)=10413-79×3=176290-(90+121)=79541+163-365=339477-282-37=158153×6-778=140304-181+122=245189×(539-530)=170165+186=251241-24×4=145555×4=2220354-263=91103+100-174=29277-78+201=400329-222+71=178322+12-30=304356+(391-100)=647129×(336-330)=774924-231=693394-188-180=26422+236-456=202570×2-602=538751-165×3=2565/7+2/7=1160×(240-237)=480101×4-314=9034×9=306101+545+300=946411+860+94=1365255+195+210=6602/6-1/6=1/640×7+392=672466+(372-179)=659328-83-99=146439×2-217=661446-195×2=56977-79×3=740262-(410-204)=56166×6+887=1883465-(981-817)=3013/6-2/6=1/6154-60=9479+270-109=240696-(87+109)=500105+(582-306)=381934+137-654=417432-288=144208+657+104=969418-140-151=127175×4-125=57539×7=273663-63-551=49164+971+750=1885545-(295-182)=432897-(735-343)=505337+135-134=33894×3=28278×6-402=66157+223=380450-83+409=776424+45×4=604203-153+50=100895+747-35=1607864+(792-659)=997159-80=79408+(338-169)=577491+603+973=2067848-(203+530)=115171×2+12=354425-(424-248)=249235-(25+181)=29230×(32-23)=2070873+788+169=1830137-18×7=11453-74-241=138401+653=1054321-253+207=275182+668=85093-23+369=439620-24×4=524288+970+862=2120437-61×3=25420+320-217=123266-125-103=38447-(94+127)=226862+(483-304)=1041474×2=94860×6+296=656160+318-403=75239+21-207=53120×4=480347+124-330=141947-(904-654)=697804-46+367=1125290-(114+15)=161315×2-351=279466-402=64154+162=316553-108×4=121205-14-135=56308+(336-13)=631747-(788-128)=8711×(124-118)=66512+(434-198)=748171+(285-37)=419131+132-51=212134+119+133=386435×9-38=3877161+272=433182-(555-497)=124546-75-256=215743×(261-254)=5201694-(123+157)=414477-135+587=929411-349=62938-(406+437)=95231+(846-548)=5291/7+4/7=5/7364-104=260233+226=459786-(481+102)=203480×8-704=3136625-290+975=1310131-65-45=21556-42×8=220361-111=250192×3-509=67536+321-169=68830×(265-259)=180170×8=1360480-140-186=154390-18-195=177163+417=580895-(285+79)=531991-(305-211)=897591×8=4728535-65=470278×3=834411-(109+79)=223748-90-403=255348+(259-198)=409267-(180-148)=2352/6+3/6=5/6510+827=1337936-645-44=247479+557-29=100736×8=288111×6-55=611117+343=460358+503+121=9825/8+3/8=14/7+2/7=6/7372-137-153=82210+84=294578+187=765835-(199+369)=267177+328=505588+205=793488-250+171=409229+138×4=78187+15+649=751253+(652-388)=517469+956-818=60728×(74-65)=252335-(329-187)=193918-540-32=346604-61-394=149511-(63-51)=499247+117-186=178502-117+723=110872+208+351=631371-(252-126)=245250-(203-178)=225860-613-130=117467-36-255=176180×4=720160+731+463=1354444×2-685=203312+(589-310)=5915/7-1/7=4/7433-139+90=384739×3-511=1706408-223+33=2184/8-3/8=1/8407-(641-406)=172901×(233-227)=5406239×(803-796)=1673316+79+307=702314+492-283=523146-40×2=6667+145=212501-168-223=11032+918-20=93053×6+189=50747+541+74=662279+106-65=320314-(433-337)=218210-54×3=48181×4=724588×8-379=4325782+289×3=164912+(45-39)=18408×(776-770)=2448458×6-175=2573966-656+147=45712×9+520=628247+(510-403)=35483×6=498704-(347+289)=68479-(358-273)=394783-45×7=468720+254-595=379434-46×9=20462+(859-464)=857144×(435-429)=864869×(686-680)=5214223+(274-25)=472417-(301+32)=84404+149×2=702636×(236-233)=1908624-(428-164)=360774-285-233=256211×6=1266449-(250+153)=46250×4-209=79138×5=190527+811-91=1247248-(229-146)=165702-(142+423)=137943×9=8487125+417+280=822352-69×3=1457/9+2/9=1315×3-23=922909-(209+282)=418335-316=19487-(193-64)=358105×4-266=154210+34×8=482343+423-321=445543-(831-370)=82885-(49+834)=266×(123-120)=198194+285=479749-(413+90)=246464-58×3=290473-(110+181)=182698+128+119=9451/6+2/6=3/646×6=2761/6+5/6=1136+170=306298-180+843=961249+168=417749-(153+410)=186415-383+518=550845+581-589=837830-(795-69)=104734×(795-790)=367041×9-354=15861-26×9=627336-270+243=309543-150=393846-341+408=913104+169+365=638602-(133+308)=16177+536-149=464500-(20+191)=28938+129=167678×2-862=49449×(450-441)=441713×3=2139143-81=62753-346+584=991372×5-493=1367196×2-201=191967-215-539=213123+348=471212-(480-291)=23818-33=785659+463+222=1344572×9=514886+87×5=52134×6+485=689515+96+256=867647×(537-534)=1941105×(453-449)=42088+264×2=616506-(169+71)=266699×(839-834)=3495318+691=1009417-214=203197+(369-56)=510262-98=164383-128+118=373831×7=5817274-12×9=166246-41×3=123447-(221+140)=8614×(38-33)=70873-667-89=117494+(422-349)=567161×(344-340)=64435×(409-401)=280635-253-193=189937-713=22471+167+554=792904×5=4520305-(375-299)=229806+106+14=926870-(822-207)=25556×(54-45)=504679+11×7=75659×(265-257)=472353+124×6=1097173-38+252=387173×4-393=299201-(340-330)=19133+466-130=36981×8-512=13616+(432-158)=290439-(301-300)=438357-197+17=177204-13+577=76881+(385-83)=383494-280-178=3672×(406-402)=288453-294+216=37539+439-108=370556-179=37748+176-91=133417×2+602=143638×7+201=4672/4-1/4=1/4523-(373+120)=3071+503+147=721801-190×2=421283×2-311=255660-121+306=84545+(329-173)=201571+201=772287×3=861693-(693-677)=677584+24×2=632359-120×2=119101×9-249=66011×5+374=429116-97=19804+242-959=87135+82×4=463261+214-186=289989-(927-848)=910289-63-75=15197×9+625=1498497-(108+230)=159408+935-117=1226703×5-441=307442×3+235=36168-38+297=327468×2+485=14213/7-1/7=2/743×(107-101)=258406-56×7=14699+(301-239)=761441-(208-141)=374284×2-48=520235-21-31=183268-51×5=13413×5=2065295+182-461=16710×8-225=5455119-119+151=15136×(496-488)=288327+99=426570+790+909=2269217+143+333=693891-39-801=5138+(193-86)=14549+(495-337)=20719×2+244=282991-(480+228)=283802-348-155=299441-72×2=297466-138×2=190305-32×3=209245-222+146=16985+(437-127)=395333-(146+106)=81216×2+78=510123×8-25=959133-(38+93)=2447-22-261=164173×9-971=58679×2=158449-105-234=1103/9-1/9=2/9885-82×9=147307+219+609=1135344+(775-358)=761169-49×2=713/5-2/5=1/5304+(469-232)=54157×3+95=266484+(452-432)=504388-299+311=400228×2-284=172764-177-265=322418-(163+119)=136242+428+301=971959-(485-243)=717200-61+623=762682-79×7=129338×7=2366427-345=82787-232=555917-54=863847+(967-488)=132651+301-106=246839×4=335696×(309-303)=57612×7=843/8+2/8=5/8253+167=420835-(241+82)=512169×9=1521910+347=1257159+180×3=699220-26×4=116256+718-889=8590×2=180799-165×2=469494-371-10=113804×(329-325)=3216901-(435+279)=187411×8-599=2689407+34-167=274238+(298-285)=251432-112-320=0348-169=179825+434-650=609375+372=74740+422+354=816131-24×3=59220+136-34=322629×(741-737)=2516628-164×3=136468-(102-17)=383373-302=71430×3=1290259+509+221=989463+(452-47)=86820+(396-366)=50107×(240-232)=856488-449+933=972475+(189-154)=510897-832=65245-218+133=160217-(302-251)=166407×7-270=2579602-263=339404-(725-565)=244413×3-465=774258×2-122=394660-223=437901-267+320=954180×2-102=258660+405-605=460658-353-238=6757+(393-268)=182290-(418-150)=2263×2+317=443496-413-24=59800×5=4000510×6=3060148+(367-253)=2624/7-3/7=1/7662×2=1324856×6-718=441892×5+513=973392+70×7=882256+247=503249×(450-445)=1245851-164×3=359235+(389-93)=531299-46=253425-169=256481-36×6=265432-104×4=16867-672+402=597126+84=210381-88+206=499449+24-230=243256+55=31178+93+783=954163+55=218145×6-833=37214+103=317573-362=211360-261