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355-(108+183)=422-401+456=406×(467-463)=399-158-210=83×(247-240)=639+504=379+210+401=255-126+11=264-(331-236)=279+369=417-196-57=278×2=440+202+250=779×(224-219)=131×(39-34)=98×(311-302)=48×9-270=98+41-18=414+776=532-172+620=934-(246+24)=258-(102-47)=337-35×6=474-313+192=918+943-366=465-173=249×7=354-156+498=632×2-911=409+65-431=51+294+38=843-141+427=752+622=375-261=260+395-603=439-(451-340)=754-118×5=705-142-81=122+248=316-(219+62)=112-57+136=479-276-87=326-48×5=722-597+437=247×4-369=367+12-153=841-(324+423)=134-(343-255)=46+58+715=191+299-365=109×6=956+134×3=64×4=941-12×5=326+41-163=340+185+283=66-43=192+266×2=451-(296-181)=729×8-718=850-(193+615)=106×4-142=927-779-12=925-639=397+(323-133)=42×3-122=158+(433-341)=473-(258+158)=962-175=357-207=127+596+180=251-48×3=7/10-1/10=243×(83-80)=159-48+292=588-425=987-(599+257)=154-(188-120)=14×5=542-(609-555)=98×(384-378)=596-(616-487)=160-71-64=213+150×6=570+333=369-(452-432)=392-199+232=395-354=84-(42+14)=388+306-199=36-(102-85)=271+35×9=820+20-442=453+(999-591)=692×7-642=471+213+333=346+34+283=968-501+351=197-(748-601)=576×2=244-(115+42)=449+(248-32)=143-(233-113)=103×6-382=488-(47+128)=2/10-1/10=214+161=267+539-86=404-347=297×8-906=225+383-347=696-(666-118)=750×(395-389)=331-(353-328)=790×8-767=142×(28-25)=311-25=880-609+80=46×6+66=925+774-278=888-191-404=68×2+839=350×2=181-49+868=46+708+165=379+37×6=260-133-63=391-343-28=94+121=873-255+931=73×(245-241)=260-(24+86)=823-15=179×(376-371)=65+49=779-155=477-(300+121)=448-23×4=465-396=234-34×4=423-(69-19)=19×(153-146)=42×6-74=497-148-219=636+250-879=636-594=229-209+156=236-38+44=36×9+103=471+561+747=990-986+754=285×2+705=757-601+248=164×6-244=399-177×2=295-16×9=541+576-189=500-24-297=479-(264-169)=13+231+219=291+206+122=467-389+870=27×3+490=227-(70+51)=14+79=496-291+260=222×2-427=268-45×2=356+(332-293)=144+79×7=195×3=1/10+4/10=416×(657-649)=336+166×3=88+108×3=385+(667-191)=709×8-896=395×2-169=349+971+300=978+757=36-(456-448)=409+(396-138)=884-489-125=455-(403+14)=44×(386-377)=542+119=401-364=609×(636-633)=834-383-147=752+(767-12)=3/7-1/7=176-(79+70)=23+373-75=871-271×2=422-(374-44)=474-311+92=112+249×2=207-(443-261)=234×3+173=71×2+345=394+(484-285)=695×2=1/6+2/6=126×(155-150)=458+118×8=19×5=16×(289-283)=966-453-36=616-(113+393)=392+67×8=475-296=55×3=71+(270-11)=188+673=278+112=129+301=22-(44-32)=212×8=38×8+341=626-15×4=42×(30-21)=511×6=372+663+947=341×2=374-137-113=74×8-438=89×5-281=101×(53-47)=448-374-25=485-(83+154)=202-160-35=480-206=739+(542-377)=25×8+448=377+149+386=552+(766-43)=45×5=648+748=953-24×7=836-40×4=771-153×5=115×8-27=331-62=355×2=983-53×7=23+97=283×(247-244)=142×3-127=213+(480-276)=303-(67+110)=108×9+322=495×5=127×5+88=2/8+5/8=12×(713-710)=408-181=809-577=345+78+577=148-19×7=958-(945-942)=49×5=425×9=918-275=298-68×4=108×7-283=720×(191-182)=4/8+2/8=499-(24+266)=54×(828-821)=172+100-169=376+(159-42)=50+645+169=256×(201-198)=828+731-935=156+32=336+(382-81)=216+247=4/8-3/8=268-(114+104)=590-61-471=484-125-225=440+725-831=548×7-765=344-110=863+(837-171)=458+30+123=486-118=394+962+962=862+(984-289)=442-54×4=982-(481+368)=988-106=92×(219-211)=310×3+42=419×6-90=22+313+246=812+957+642=266-(31+98)=10+409×2=958-94×3=537-137×3=322-183+267=523×9=231×3+332=148×3-326=69×(354-348)=918-(662+222)=33+132=400-82-92=938-443=301+189-188=122×2=86×2+351=34×3+983=177×6=703-381-48=797+(488-232)=258-21×8=737+991-29=481-12×4=165+451=456-130×2=413+863=481-(47+403)=228×4-825=314-20×3=692-(297-162)=760-256+384=114+248=544×4-705=523+(992-634)=929+743=312-267+285=903-288+471=348+(471-454)=663-276-207=362-135-51=459-364+284=511-(290+51)=681+758-101=128+(318-126)=167+232+471=261-(444-312)=290+(456-330)=45×9=104×9-87=195+933-828=847+576=247-88=740-(481-149)=173+(995-772)=320+85-60=355×(727-721)=284-(981-751)=618+463-313=88×3=35×7+217=385-(27+222)=355-(110+228)=629×6-29=134+121=717+185-162=541-(40+360)=233+906+675=80×8=707×5-247=111×5=80×4=145×5=663×(307-303)=948-368×2=128×(280-273)=787-739=63×(371-362)=834-226+724=681×6=296+42×2=600+698+307=3/8+5/8=36+238×2=236×9-595=584-557+942=474-(412-315)=498-(415+38)=322+705+513=860-40×9=3/6-2/6=902-54×3=81+250-183=318+122=414×(323-320)=409-44-194=272×3-96=595+637=867×(665-661)=56×9-478=813×6-234=40+708+45=656×5-950=443-74-202=195+472-125=239-(137+36)=482-171-190=939-42×3=396×6-703=362+84=250-(167-66)=513-211=161+909=477-(187+107)=844-155=186×(74-69)=241+198×2=327-(14+292)=834-(750-457)=346+14-342=656+85×7=595-224+542=178×5-512=37+18-10=612+159×2=25+433+57=127×5-129=770×2=72+411+298=351+957+79=838+80×6=847-400+117=28+390-45=554-(313+92)=196×3-127=283-81-115=682-302+836=85×5=713-559=62×3=254-(315-290)=309-235+160=409-260-147=821-235×3=205-51-61=703-438-185=794×6-596=361+138-109=994-(254+68)=435-(391-382)=703-104=245×2-235=158+219=321+(134-122)=427+948-321=366×(552-546)=402×4=587+631+594=189×4-697=241-(26+185)=205+(653-210)=670×9-754=2/4-1/4=636+654+794=360-(254+24)=721-(129+464)=436-129=718-539+953=968×(445-442)=117×7=305+443+202=568+643+75=34+18+588=391-184=112×7+192=169×3-285=371+(287-118)=5/8-2/8=428-390=114+356-165=25×8+251=381+784-970=219+(461-106)=130+323=978-(206+347)=483-48-239=922+29+242=620+613+907=560×7=167+244=340-16×9=371-62-72=240-118+27=832-(645+37)=909+793+396=709-233=312-40×5=187+279=697-37+84=700+(943-46)=891-(646-159)=162+71=299-(229+58)=746-124-366=422-23-295=305+321+195=279+145-188=52+362+222=483+(96-20)=761-400+153=438-19=555+(954-815)=14×7+200=979-631=3/7-2/7=151-(587-530)=383+(383-241)=480+116=962-111-528=261+340×2=142+183=492+(474-445)=787-(826-527)=399-176+54=740-(435+155)=882+528=348+134×5=991+348+909=953-430-394=324+110-336=153-36-34=2/6-1/6=4/7+2/7=600×9=456-262=416-82=105-(311-301)=820+96+79=149+461+124=244×4-235=722+(654-559)=52+185=731-10×8=79×3=232+431×2=189+134=126×7+101=281×(212-209)=435-161-191=594-(310-90)=908-(459-239)=460×9=473-387=770-142×4=411-(270-28)=884-159=13×7=142×(489-482)=213×2=179×5+955=40×7+250=261×(98-95)=87+390=216+47-34=397-88=334-(324-214)=363+(693-183)=237+42+101=418-25-284=892+(730-553)=845+686=169×5=449-(48+341)=476-94×3=147×2+18=980-290-176=910-(76+728)=344-44×7=632-23×3=647×(706-698)=361-226=322+85×7=349+246+315=255×3=5/8-1/8=309-95=634-245=316×3-914=268×(483-480)=405+58-401=481-282=286×(716-712)=700-63-381=651-76-355=152-(248-237)=878-236+217=363+(319-214)=492-79-396=241+218=660-15-612=394-34-183=817+909=529×(273-264)=349+96=238-51+78=323+45-31=454×(602-595)=59+216-230=102+684+145=792-485-241=703×8-841=434-(260+107)=330×2+889=41+119+566=394-166+106=50+(452-294)=64×(371-363)=51-14×2=486-155×3=119×(441-435)=50×6-217=5/10+2/10=236-(485-389)=308+(393-19)=237×3-20=79×2-101=205+(414-352)=172+19+177=583+128-187=1/4+2/4=3/7+2/7=101+163=302-(955-754)=241×3=475+(949-164)=451-(409-127)=64×5=357-80×4=451-149=354-338+118=158+(426-379)=135×4+389=75+354=245+224×3=92+76=457×8=489×2=377×5=350-56×6=920-512+856=34×(120-115)=992-(310+196)=295-(134+146)=853-459=151+288-65=40+743+127=1/5+3/5=404-39×6=327+118-73=83×(90-81)=524+203=555×6=73×3+583=312-122+280=560-(643-329)=479-26×8=949-(305-238)=110×(34-31)=499-(106+189)=906-382-439=196+(161-101)=495-(29+401)=451-428+270=289+102=630+661+184=828-35+169=476-(394-142)=586-532=652+(900-731)=892-25-470=229+248×2=869-417+846=670-239×2=3/6-1/6=151+154×5=4/7+3/7=428-21×9=859-327-279=459+45×3=235+454=298-(226-57)=369-269-10=243×4=70×8=446+274=995-(736+169)=743-645=83×7-509=322-65+718=529-(437-386)=900-301-362=31+36×3=145×(75-68)=13+479-106=306+265+417=868+161-815=177×4+249=428-(999-861)=493-187-239=502×(687-683)=122+(900-518)=386-(108-66)=616×7=192+193-116=485-329+294=3/5-1/5=866+277+330=249-(262-80)=187+827-997=338-11×2=325+(415-175)=375-102=584+161+208=398-(468-245)=634+805+890=352×5-865=460-177×2=308-15×2=299-178+310=109+268-84=648-172-469=95+86-176=491-(217+264)=374×3-790=649+(539-229)=397-306+304=315+481+190=224+289=808-313-38=661+(477-190)=91+413-110=799+691-602=375-30=696+524-714=954-(279+199)=62×7+176=372×(230-222)=415-18×7=333+106=236+591=18+(138-105)=53×(901-895)=764×(746-743)=797+(778-386)=351-189+124=638×5-984=880-(107+382)=396-171-77=67+332+345=131×2=727-114-607=420-138=335+260=115+(451-77)=247-201=983-56×4=360-198+15=684+(562-238)=676+(926-711)=890-(148-20)=160+331=233+(315-251)=785×8=433+61-403=190+52×6=46×4-107=141-41×3=368-(397-284)=434+(449-352)=152×(110-107)=238-56=58×(292-286)=11×8=429-151+213=241×4-223=89+209=111+294=93×9=260×6=100+274×2=902-358×2=901-(502+232)=304+63-215=353-189=560×(340-334)=545+412×2=477-55×2=133-75+219=265+(125-19)=896×4-355=153+(282-38)=506+104+511=87×9-55=130×(353-345)=466-49+29=374-84×2=676×3=355-83-179=267-152+148=60+765-586=120×5=138×(204-200)=406-38×5=415-(246+94)=546-152×2=462+(400-184)=625+(835-602)=519-(925-676)=646-198+565=340+336-648=155-14-53=278-14×2=860+(650-283)=293-(452-354)=4/8+3/8=293-(438-152)=258-(846-599)=423-228=729-446+292=162-(35+25)=496-(251-221)=43×7=513+(843-382)=427×(599-594)=872-(38+571)=61-57+57=336-53×5=904×7-278=875+864-128=264+450+192=343+147-19=428-32×9=481+410-568=932-415=348×2+115=300-60=514×7-174=311-(163+70)=589×6-279=733×8=90+602+271=306+146-147=93×(125-118)=933-117×4=248+334+204=919-545=384-(181+123)=713-(577+46)=73×6+340=702-(793-293)=685-539-112=481×2-507=457-453+324=574-(883-441)=655+712+697=132+24=246-(46+103)=471-196-239=参考答案355-(108+183)=64422-401+456=477406×(467-463)=1624399-158-210=3183×(247-240)=581639+504=1143379+210+401=990255-126+11=140264-(331-236)=169279+369=648417-196-57=164278×2=556440+202+250=892779×(224-219)=3895131×(39-34)=65598×(311-302)=88248×9-270=16298+41-18=121414+776=1190532-172+620=980934-(246+24)=664258-(102-47)=203337-35×6=127474-313+192=353918+943-366=1495465-173=292249×7=1743354-156+498=696632×2-911=353409+65-431=4351+294+38=383843-141+427=1129752+622=1374375-261=114260+395-603=52439-(451-340)=328754-118×5=164705-142-81=482122+248=370316-(219+62)=35112-57+136=191479-276-87=116326-48×5=86722-597+437=562247×4-369=619367+12-153=226841-(324+423)=94134-(343-255)=4646+58+715=819191+299-365=125109×6=654956+134×3=135864×4=256941-12×5=881326+41-163=204340+185+283=80866-43=23192+266×2=724451-(296-181)=336729×8-718=5114850-(193+615)=42106×4-142=282927-779-12=136925-639=286397+(323-133)=58742×3-122=4158+(433-341)=250473-(258+158)=57962-175=787357-207=150127+596+180=903251-48×3=1077/10-1/10=6/10243×(83-80)=729159-48+292=403588-425=163987-(599+257)=131154-(188-120)=8614×5=70542-(609-555)=48898×(384-378)=588596-(616-487)=467160-71-64=25213+150×6=1113570+333=903369-(452-432)=349392-199+232=425395-354=4184-(42+14)=28388+306-199=49536-(102-85)=19271+35×9=586820+20-442=398453+(999-591)=861692×7-642=4202471+213+333=1017346+34+283=663968-501+351=818197-(748-601)=50576×2=1152244-(115+42)=87449+(248-32)=665143-(233-113)=23103×6-382=236488-(47+128)=3132/10-1/10=1/10214+161=375267+539-86=720404-347=57297×8-906=1470225+383-347=261696-(666-118)=148750×(395-389)=4500331-(353-328)=306790×8-767=5553142×(28-25)=426311-25=286880-609+80=35146×6+66=342925+774-278=1421888-191-404=29368×2+839=975350×2=700181-49+868=100046+708+165=919379+37×6=601260-133-63=64391-343-28=2094+121=215873-255+931=154973×(245-241)=292260-(24+86)=150823-15=808179×(376-371)=89565+49=114779-155=624477-(300+121)=56448-23×4=356465-396=69234-34×4=98423-(69-19)=37319×(153-146)=13342×6-74=178497-148-219=130636+250-879=7636-594=42229-209+156=176236-38+44=24236×9+103=427471+561+747=1779990-986+754=758285×2+705=1275757-601+248=404164×6-244=740399-177×2=45295-16×9=151541+576-189=928500-24-297=179479-(264-169)=38413+231+219=463291+206+122=619467-389+870=94827×3+490=571227-(70+51)=10614+79=93496-291+260=465222×2-427=17268-45×2=178356+(332-293)=395144+79×7=697195×3=5851/10+4/10=5/10416×(657-649)=3328336+166×3=83488+108×3=412385+(667-191)=861709×8-896=4776395×2-169=621349+971+300=1620978+757=173536-(456-448)=28409+(396-138)=667884-489-125=270455-(403+14)=3844×(386-377)=396542+119=661401-364=37609×(636-633)=1827834-383-147=304752+(767-12)=15073/7-1/7=2/7176-(79+70)=2723+373-75=321871-271×2=329422-(374-44)=92474-311+92=255112+249×2=610207-(443-261)=25234×3+173=87571×2+345=487394+(484-285)=593695×2=13901/6+2/6=3/6126×(155-150)=630458+118×8=140219×5=9516×(289-283)=96966-453-36=477616-(113+393)=110392+67×8=928475-296=17955×3=16571+(270-11)=330188+673=861278+112=390129+301=43022-(44-32)=10212×8=169638×8+341=645626-15×4=56642×(30-21)=378511×6=3066372+663+947=1982341×2=682374-137-113=12474×8-438=15489×5-281=164101×(53-47)=606448-374-25=49485-(83+154)=248202-160-35=7480-206=274739+(542-377)=90425×8+448=648377+149+386=912552+(766-43)=127545×5=225648+748=1396953-24×7=785836-40×4=676771-153×5=6115×8-27=893331-62=269355×2=710983-53×7=61223+97=120283×(247-244)=849142×3-127=299213+(480-276)=417303-(67+110)=126108×9+322=1294495×5=2475127×5+88=7232/8+5/8=7/812×(713-710)=36408-181=227809-577=232345+78+577=1000148-19×7=15958-(945-942)=95549×5=245425×9=3825918-275=643298-68×4=26108×7-283=473720×(191-182)=64804/8+2/8=6/8499-(24+266)=20954×(828-821)=378172+100-169=103376+(159-42)=49350+645+169=864256×(201-198)=768828+731-935=624156+32=188336+(382-81)=637216+247=4634/8-3/8=1/8268-(114+104)=50590-61-471=58484-125-225=134440+725-831=334548×7-765=3071344-110=234863+(837-171)=1529458+30+123=611486-118=368394+962+962=2318862+(984-289)=1557442-54×4=226982-(481+368)=133988-106=88292×(219-211)=736310×3+42=972419×6-90=242422+313+246=581812+957+642=2411266-(31+98)=13710+409×2=828958-94×3=676537-137×3=126322-183+267=406523×9=4707231×3+332=1025148×3-326=11869×(354-348)=414918-(662+222)=3433+132=165400-82-92=226938-443=495301+189-188=302122×2=24486×2+351=52334×3+983=1085177×6=1062703-381-48=274797+(488-232)=1053258-21×8=90737+991-29=1699481-12×4=433165+451=616456-130×2=196413+863=1276481-(47+403)=31228×4-825=87314-20×3=254692-(297-162)=557760-256+384=888114+248=362544×4-705=1471523+(992-634)=881929+743=1672312-267+285=330903-288+471=1086348+(471-454)=365663-276-207=180362-135-51=176459-364+284=379511-(290+51)=170681+758-101=1338128+(318-126)=320167+232+471=870261-(444-312)=129290+(456-330)=41645×9=405104×9-87=849195+933-828=300847+576=1423247-88=159740-(481-149)=408173+(995-772)=396320+85-60=345355×(727-721)=2130284-(981-751)=54618+463-313=76888×3=26435×7+217=462385-(27+222)=136355-(110+228)=17629×6-29=3745134+121=255717+185-162=740541-(40+360)=141233+906+675=181480×8=640707×5-247=3288111×5=55580×4=320145×5=725663×(307-303)=2652948-368×2=212128×(280-273)=896787-739=4863×(371-362)=567834-226+724=1332681×6=4086296+42×2=380600+698+307=16053/8+5/8=136+238×2=512236×9-595=1529584-557+942=969474-(412-315)=377498-(415+38)=45322+705+513=1540860-40×9=5003/6-2/6=1/6902-54×3=74081+250-183=148318+122=440414×(323-320)=1242409-44-194=171272×3-96=720595+637=1232867×(665-661)=346856×9-478=26813×6-234=464440+708+45=793656×5-950=2330443-74-202=167195+472-125=542239-(137+36)=66482-171-190=121939-42×3=813396×6-703=1673362+84=446250-(167-66)=149513-211=302161+909=1070477-(187+107)=183844-155=689186×(74-69)=930241+198×2=637327-(14+292)=21834-(750-457)=541346+14-342=18656+85×7=1251595-224+542=913178×5-512=37837+18-10=45612+159×2=93025+433+57=515127×5-129=506770×2=154072+411+298=781351+957+79=1387838+80×6=1318847-400+117=56428+390-45=373554-(313+92)=149196×3-127=461283-81-115=87682-302+836=121685×5=425713-559=15462×3=186254-(315-290)=229309-235+160=234409-260-147=2821-235×3=116205-51-61=93703-438-185=80794×6-596=4168361+138-109=390994-(254+68)=672435-(391-382)=426703-104=599245×2-235=255158+219=377321+(134-122)=333427+948-321=1054366×(552-546)=2196402×4=1608587+631+594=1812189×4-697=59241-(26+185)=30205+(653-210)=648670×9-754=52762/4-1/4=1/4636+654+794=2084360-(254+24)=82721-(129+464)=128436-129=307718-539+953=1132968×(445-442)=2904117×7=819305+443+202=950568+643+75=128634+18+588=640391-184=207112×7+192=976169×3-285=222371+(287-118)=5405/8-2/8=3/8428-390=38114+356-165=30525×8+251=451381+784-970=195219+(461-106)=574130+323=453978-(206+347)=425483-48-239=196922+29+242=1193620+613+907=2140560×7=3920167+244=411340-16×9=196371-62-72=237240-118+27=149832-(645+37)=150909+793+396=2098709-233=476312-40×5=112187+279=466697-37+84=744700+(943-46)=1597891-(646-159)=404162+71=233299-(229+58)=12746-124-366=256422-23-295=104305+321+195=821279+145-188=23652+362+222=636483+(96-20)=559761-400+153=514438-19=419555+(954-815)=69414×7+200=298979-631=3483/7-2/7=1/7151-(587-530)=94383+(383-241)=525480+116=596962-111-528=323261+340×2=941142+183=325492+(474-445)=521787-(826-527)=488399-176+54=277740-(435+155)=150882+528=1410348+134×5=1018991+348+909=2248953-430-394=129324+110-336=98153-36-34=832/6-1/6=1/64/7+2/7=6/7600×9=5400456-262=194416-82=334105-(311-301)=95820+96+79=995149+461+124=734244×4-235=741722+(654-559)=81752+185=237731-10×8=65179×3=237232+431×2=1094189+134=323126×7+101=983281×(212-209)=843435-161-191=83594-(310-90)=374908-(459-239)=688460×9=4140473-387=86770-142×4=202411-(270-28)=169884-159=72513×7=91142×(489-482)=994213×2=426179×5+955=185040×7+250=530261×(98-95)=78387+390=477216+47-34=229397-88=309334-(324-214)=224363+(693-183)=873237+42+101=380418-25-284=109892+(730-553)=1069845+686=1531169×5=845449-(48+341)=60476-94×3=194147×2+18=312980-290-176=514910-(76+728)=106344-44×7=36632-23×3=563647×(706-698)=5176361-226=135322+85×7=917349+246+315=910255×3=7655/8-1/8=4/8309-95=214634-245=389316×3-914=34268×(483-480)=804405+58-401=62481-282=199286×(716-712)=1144700-63-381=256651-76-355=220152-(248-237)=141878-236+217=859363+(319-214)=468492-79-396=17241+218=459660-15-612=33394-34-183=177817+909=1726529×(273-264)=4761349+96=445238-51+78=265323+45-31=337454×(602-595)=317859+216-230=45102+684+145=931792-485-241=66703×8-841=4783434-(260+107)=67330×2+889=154941+119+566=726394-166+106=33450+(452-294)=20864×(371-363)=51251-14×2=23486-155×3=21119×(441-435)=71450×6-217=835/10+2/10=7/10236-(485-389)=140308+(393-19)=682237×3-20=69179×2-101=57205+(414-352)=267172+19+177=368583+128-187=5241/4+2/4=3/43/7+2/7=5/7101+163=264302-(955-754)=101241×3=723475+(949-164)=1260451-(409-127)=16964×5=320357-80×4=37451-149=302354-338+118=134158+(426-379)=205135×4+389=92975+354=429245+224×3=91792+76=168457×8=3656489×2=978377×5=1885350-56×6=14920-512+856=126434×(120-115)=170992-(310+196)=486295-(134+146)=15853-459=394151+288-65=37440+743+127=9101/5+3/5=4/5404-39×6=170327+118-73=37283×(90-81)=747524+203=727555×6=333073×3+583=802312-122+280=470560-(643-329)=246479-26×8=271949-(305-238)=882110×(34-31)=330499-(106+189)=204906-382-439=85196+(161-101)=256495-(29+401)=65451-428+270=293289+102=391630+661+184=1475828-35+169=962476-(394-142)=224586-532=54652+(900-731)=821892-25-470=397229+248×2=725869-417+846=1298670-239×2=1923/6-1/6=2/6151+154×5=9214/7+3/7=1428-21×9=239859-327-279=253459+45×3=594235+454=689298-(226-57)=129369-269-10=90243×4=97270×8=560446+274=720995-(736+169)=90743-645=9883×7-509=72322-65+718=975529-(437-386)=478900-301-362=23731+36×3=139145×(75-68)=101513+479-106=386306+265+417=988868+161-815=214177×4+249=957428-(999-861)=290493-187-239=67502×(687-683)=2008122+(900-518)=504386-(108-66)=344616×7=4312192+193-116=269485-329+294=4503/5-1/5=2/5866+277+330=147324