三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦417-134×2=589×7-729=428×3-875=79-18×3=1/3+2/3=267-125-58=633-(57+323)=366+908-416=424+(339-187)=224+121=980+(374-338)=740-18+113=44×7=272+(270-125)=18×8-23=70×4+398=237×4=459×2-284=134+(809-765)=650-80×6=457×(166-157)=54+120×2=768-274+91=605-62-455=935-426×2=1/5+4/5=478×7=436-295-12=337-22×2=654-13×7=465-(344-162)=833+192-379=890+437+940=832-230×3=649+934=818-117-436=295×8=432-312+110=206+60×3=403-125+126=460×2-120=844-645=101×(286-277)=362+(905-423)=878-(415+127)=708+(828-485)=946-84-309=378-(459-407)=330+376+335=640-(586-201)=134×2=243×4-89=92-91+192=574+115-470=2/6-1/6=396-(285-260)=137×(291-286)=202+(446-74)=835-510-130=722+199+161=163×3+348=483-152-329=130×7+122=959+591-369=441-251=871-(243+532)=192+282=120+436=770×4-850=118×2+867=4/8+2/8=126+72-40=876-(718+41)=473-135-227=224-178=478-(725-352)=161×(308-303)=403+921-895=572+134×4=511-(453-318)=121-(10+78)=336+162+289=601-31+42=961-320=252-184=293-104+270=399×(763-760)=379+209+277=56×6+655=871×(282-277)=180×3-89=660-140×4=808+815-455=234-(41+148)=840+(631-82)=452-32-85=705×7-390=5/7-1/7=940×5=974×8=407-(189+120)=206+234-330=332+300+62=217×5=222×2+171=109×(409-401)=727+113+57=55×(25-20)=491-(234+38)=472-(81-45)=439-(330-78)=350+(765-741)=847-509-50=323×(890-887)=437-(395-388)=16+(364-253)=662+404=45×(222-219)=681+(193-115)=826-(331+251)=17×8+326=955-830+499=880+402-597=353-198+74=508+301+160=798×3-889=470-355=254×3+848=136×5-611=4/5-1/5=263-223=943×(786-783)=982-474=677-(234-216)=248-(56+38)=432+141×5=593-529+144=372-158+226=488-(126+125)=914-182=292+113=161+(412-291)=864-748-13=243+(251-249)=65×5=102×(485-478)=52×(224-217)=481+28×5=568×(261-258)=182×7-953=480-(215+138)=831×(900-897)=292+(362-183)=428-377=995-(145+253)=3/6+2/6=322×2=299-126-116=682-(874-260)=391-(230+123)=55+64=138-(279-161)=258+214=77+152×3=201+383=940-612-158=110+(436-80)=275-177+353=667-(897-497)=622-(208+291)=978+688+543=370+(212-159)=689×3=283-214=763+497+164=643+(725-621)=759-31×3=810-(210-109)=557-226+627=189+(774-396)=385-296-75=323+77=79+116×6=260+867-403=787-125×2=209+384=564+406-731=264-109=622×3-843=498-(300+75)=196×2=785+508=480-(327-122)=646×8=484-(70+92)=178×8-438=808-237-249=67-60+212=103×6-379=736-(764-414)=81+413-100=433-(123+132)=373+45-54=166×8=709-394=287+(197-127)=302-(147+135)=431×4=734-(105+435)=357+77=274+(448-188)=121×3-300=90×9+513=841-377-77=973+(549-14)=344-(357-118)=848-163×4=215-16+262=456-(162+119)=476+(427-162)=11+(298-36)=470-18-88=104×6=636-405=72×(191-187)=95+(541-434)=88×(109-103)=487-335=736-(617-378)=941+178×5=367×(174-170)=145+(361-167)=742-257×2=3/7-1/7=682-303-366=196-25×7=966-133×3=773-338+31=145+225=339-71-35=749-678-56=652-420=15×9=298×(148-145)=134×5+383=332+102=403-382=394+(455-24)=714-655+21=496×(178-175)=94×(100-96)=78+(558-437)=667×(695-691)=288-222-21=632-(87+34)=152×(420-414)=155+218-244=997-833+872=382-260+955=600×(845-836)=244-33-96=661×2=83×3=1/5+2/5=70-70+57=422-46×2=378-351+330=208-50×2=249-(363-115)=249×5=362×2+46=378-108+32=483-330-19=409-89×4=392-75×2=436-136×2=131×3=50×(486-479)=658-(526-51)=644+750-967=516-(406+58)=104+199=737-63-68=651+290-868=835×3=396+69=317×8-781=908+28×4=79×7-17=110×(151-148)=127×6=214×(466-463)=63×9+747=742-469=439-(187+136)=351-153-104=884+186+350=174+92+718=406-14=177-60×2=647+88-282=643-23×6=85×8=245+270+16=406+72-116=291+101=315+(541-372)=132+197-43=461-(164+226)=123×5+756=773-49×7=540+486=451-12×4=191-56×3=654+354-326=203+181×4=136+72+420=232×2+236=321-57-151=37×8=224×2+46=71×9=164+(458-334)=1/8+4/8=72×4+291=239+238-194=138-20×4=117+383+105=1/4+2/4=4/9-3/9=86×6+319=374-(107-47)=809-417-43=80×(264-256)=471-294-111=143×2=326-181-65=422-129=433+(391-60)=859-(134+467)=416-(335-323)=219×4-123=270×3=861+305+914=911-(594+313)=965-(466+211)=334+45-242=910-(814-690)=127+55=58+313-313=737+36+198=155×8-392=278×3+140=123×6-596=304+(643-350)=344×9=432-273+813=219-(320-266)=78+155×2=150+322=324-272+94=665-(664-643)=622-36×9=945+444+168=451-11-248=124×7-786=328+169=436+(314-246)=843×(341-332)=474-398+347=837+(911-717)=92×9-577=338-60=604×(381-374)=387+(322-316)=98×3=472-77-224=463-(359-107)=604×3-327=435+57-25=433-268=182+184-121=530+445+262=170+359+966=90+291=296+189-391=4/6-1/6=605+651+571=454-(214+163)=130+610=264+442+239=130×7-774=70×5=743×9-93=498-405=459+180=35+106-103=991-344×2=177×6=67×3-198=499-356=936+999-49=292-104×2=868-645=224×2+430=392-(96-40)=25×4=218×4-133=681-85×5=461-424=846+879=457-(471-324)=736-703=970-268-435=822×(960-951)=516-341+677=306-(185+57)=371-180=67+66×3=363-(122+145)=895-367=53×(25-16)=846+660+627=484-226-128=567+177+803=318-282+34=776+118-58=42×6=642+867+105=404×2+517=474+686-961=7/10+2/10=352-(163-81)=918-892=763-549=510×6=943-412-400=600-159×2=861-(276+535)=618-(356+149)=755+317×3=325-46×4=14+67×2=154×6+489=205+19×9=944-235×4=113×(26-18)=429+76×4=112+248-44=143-24×5=362-(405-157)=818-544=164+73+582=335-(60-22)=764×4-515=93×2=84+416-222=266-146+379=386+200+227=389-(18+174)=673×(355-351)=237×(165-157)=636×(629-625)=195×(336-332)=86+110=126+16×3=79-77+125=111+68+718=192+257×3=854-27×9=439-224=714-387+395=378-(203-99)=548×3-858=359-198+198=719+40+974=473-(93+30)=488-116×4=385×2+761=351+103=453×2+22=177+181=379+88+901=353-(153+98)=86×9=550×(410-401)=445-205×2=127×7-839=494×8-19=403-122+112=322+488-194=868×7=108×(229-224)=233-(137+44)=464-(12+255)=2/8-1/8=441+343=332-285+27=317×(396-393)=316+274=260-(163+11)=138+(347-318)=907+(561-259)=495+181×2=33+(456-336)=292×3-326=483-476+71=11+280+636=465-94+98=296-42-116=171+243=166+143=696-630=132+112+476=230+(367-78)=853-10×2=559+404=416-16×7=487+(400-40)=954-(542-522)=960-(683-151)=247×4=51×4=474-(459-275)=99+14×2=331+76-374=858-(268+414)=783+(777-596)=516+656-775=544×9-346=253+59×2=222+139=807×(885-876)=77-(407-392)=404+418+21=12+(691-131)=701×2=175-(268-209)=308+98+128=43×8+306=67×(348-342)=371-363+297=554+315×2=944-61=51×(272-266)=423-136-28=165+(350-345)=410-47×6=309-101-41=782-232×3=669+342-995=588×7=412-124-94=115+255+333=320×2-177=102×3-140=271-64+139=733-(610-215)=639-394+766=910-(826-70)=814×8-653=81×(569-561)=259-25-162=668+89×2=1/6+5/6=305+36-339=42×(136-128)=551-47×3=181-(24+36)=703+495=86×4+398=312+102=966-826+768=418-35+112=84+446+418=536×4=491-13×9=1/7+3/7=135×3+328=278+184=290-21=801+552+641=478-(255-209)=723-493+423=390+617-345=753+697+319=911-221=367-79×2=29×7=74+88=259+202-97=145-49=60+477+289=41+176+182=409×2=378-68=32+403-166=269×4=427-(232+88)=119×4=162+129-26=406-34×7=158-42+101=864+95-518=896-522-167=121×5+317=75+282=463×6-244=690-(514+82)=878-(49+601)=102+310=249×7-300=4/7-1/7=332-17-208=430-201×2=110×(81-72)=821-741+64=811-440-121=678-392+716=144+265×3=104+514+270=713-390+619=84+210-203=903×9=749+961=199+11-24=38×(183-177)=280-(454-316)=438+680+888=92+(761-32)=998-(471+19)=497-328-141=128×(219-215)=76+(295-136)=70×3=376-207+242=333-(229+46)=227+62=418+80-465=742-103×3=720-(12+27)=291-25×8=28×7+64=151-136=126+217-171=289-63×2=563+127-629=123+300=300-(416-301)=797+11+383=365+(452-118)=51×(77-68)=852-(752-690)=941×(887-882)=768-350×2=296+67×5=719-22×8=4/7+2/7=139×7-424=141×7=349+122×4=313+73+215=283-39=367+658+201=803-166×3=353-(89+115)=585+920+923=261+116=823+(693-420)=260+84+294=393×8-779=18+709+991=994-661-116=982+(928-73)=445+596-762=111×8+221=170+202=389×2-35=296+171=50×(431-425)=410-249=850-42=636+940-95=394-186+135=214-77-49=461+(301-243)=44×(466-463)=65+16=202+260-207=140+19+189=552-162=694×4-306=452-208-182=822+(763-48)=479-(211+15)=460-154=556+(728-112)=91+147=881-(48+112)=86×5-109=483-348-48=544-(304-65)=322×2-400=313-(468-160)=616+439+27=474-(491-211)=420-(221+184)=208+571+60=256-(103+109)=402×5-252=908-31-751=141+(348-241)=468+(996-933)=112+66-136=318×3=92×(247-244)=212+(866-325)=827+451=440+30-441=973-(240+187)=562+102+222=76+938-332=129×7-787=111-42=117+344=465×2-90=50×9=648×8-682=478-66=237×9=20×8-108=185×3-162=224×7-567=341-(460-221)=782-685=510-(379-173)=69+442+289=491×3=445-52×2=465+111×4=437×2=223-30×3=557×5=241+733=769-183-367=778-377+122=85+430=881-75×6=872+198+377=318-(130+129)=990-125=470-(63+344)=839-51-43=148-(875-757)=222+686+84=129+163-143=448-68=3/10-1/10=387+31+514=4/8-2/8=811-268×3=492-(702-302)=293-54-203=330-23-80=937-82-350=261-39×4=424×4=834+(818-739)=880×(991-985)=466+(222-175)=802-(22+189)=411-394+323=934-(159+418)=221×3-233=675-(132-109)=128×5=812+725+677=355+181×2=418-157-10=836×(335-326)=240×2-228=339+450=578+783-209=438+800+171=461-12×3=663+(726-284)=129-(357-356)=313+154-444=880-831+894=335+738+32=105×(208-205)=454-246-53=416-41=471-(208+59)=254+490=797×(557-551)=731-66+223=427-134+48=84×6-250=295-48=534×(459-452)=163-148=101×9-211=119×8-22=269-43×3=161-37=6/10-3/10=451-152=478-381+206=86×6=942-900=134-(235-200)=358-176+169=479-244-127=706-(793-681)=453-31-387=699-157+709=403+819=906-236=301×2-87=421+74-191=589+(585-508)=444-(100+303)=234×(242-237)=409-(253+37)=234×3=331-(482-251)=83+(213-67)=524+(555-551)=179+(858-155)=742-66-140=238-211=80×8-388=1/6+2/6=204-172=474-437+109=303+485=381-30-209=248+151+143=302-104×2=92+310=41-22+435=459+537-706=228+32×3=14+742-670=346-(263-16)=335-18×9=306-(885-824)=140×3+90=836-(899-378)=966-(643-360)=172+176=868+377-301=426-33=423×6-497=455-312+338=269-182+15=324+65×6=5/8-1/8=922-(891-588)=773-679+217=933-385-276=605×(781-776)=49+16=參考答案417-134×2=149589×7-729=3394428×3-875=40979-18×3=251/3+2/3=1267-125-58=84633-(57+323)=253366+908-416=858424+(339-187)=576224+121=345980+(374-338)=1016740-18+113=83544×7=308272+(270-125)=41718×8-23=12170×4+398=678237×4=948459×2-284=634134+(809-765)=178650-80×6=170457×(166-157)=411354+120×2=294768-274+91=585605-62-455=88935-426×2=831/5+4/5=1478×7=3346436-295-12=129337-22×2=293654-13×7=563465-(344-162)=283833+192-379=646890+437+940=2267832-230×3=142649+934=1583818-117-436=265295×8=2360432-312+110=230206+60×3=386403-125+126=404460×2-120=800844-645=199101×(286-277)=909362+(905-423)=844878-(415+127)=336708+(828-485)=1051946-84-309=553378-(459-407)=326330+376+335=1041640-(586-201)=255134×2=268243×4-89=88392-91+192=193574+115-470=2192/6-1/6=1/6396-(285-260)=371137×(291-286)=685202+(446-74)=574835-510-130=195722+199+161=1082163×3+348=837483-152-329=2130×7+122=1032959+591-369=1181441-251=190871-(243+532)=96192+282=474120+436=556770×4-850=2230118×2+867=11034/8+2/8=6/8126+72-40=158876-(718+41)=117473-135-227=111224-178=46478-(725-352)=105161×(308-303)=805403+921-895=429572+134×4=1108511-(453-318)=376121-(10+78)=33336+162+289=787601-31+42=612961-320=641252-184=68293-104+270=459399×(763-760)=1197379+209+277=86556×6+655=991871×(282-277)=4355180×3-89=451660-140×4=100808+815-455=1168234-(41+148)=45840+(631-82)=1389452-32-85=335705×7-390=45455/7-1/7=4/7940×5=4700974×8=7792407-(189+120)=98206+234-330=110332+300+62=694217×5=1085222×2+171=615109×(409-401)=872727+113+57=89755×(25-20)=275491-(234+38)=219472-(81-45)=436439-(330-78)=187350+(765-741)=374847-509-50=288323×(890-887)=969437-(395-388)=43016+(364-253)=127662+404=106645×(222-219)=135681+(193-115)=759826-(331+251)=24417×8+326=462955-830+499=624880+402-597=685353-198+74=229508+301+160=969798×3-889=1505470-355=115254×3+848=1610136×5-611=694/5-1/5=3/5263-223=40943×(786-783)=2829982-474=508677-(234-216)=659248-(56+38)=154432+141×5=1137593-529+144=208372-158+226=440488-(126+125)=237914-182=732292+113=405161+(412-291)=282864-748-13=103243+(251-249)=24565×5=325102×(485-478)=71452×(224-217)=364481+28×5=621568×(261-258)=1704182×7-953=321480-(215+138)=127831×(900-897)=2493292+(362-183)=471428-377=51995-(145+253)=5973/6+2/6=5/6322×2=644299-126-116=57682-(874-260)=68391-(230+123)=3855+64=119138-(279-161)=20258+214=47277+152×3=533201+383=584940-612-158=170110+(436-80)=466275-177+353=451667-(897-497)=267622-(208+291)=123978+688+543=2209370+(212-159)=423689×3=2067283-214=69763+497+164=1424643+(725-621)=747759-31×3=666810-(210-109)=709557-226+627=958189+(774-396)=567385-296-75=14323+77=40079+116×6=775260+867-403=724787-125×2=537209+384=593564+406-731=239264-109=155622×3-843=1023498-(300+75)=123196×2=392785+508=1293480-(327-122)=275646×8=5168484-(70+92)=322178×8-438=986808-237-249=32267-60+212=219103×6-379=239736-(764-414)=38681+413-100=394433-(123+132)=178373+45-54=364166×8=1328709-394=315287+(197-127)=357302-(147+135)=20431×4=1724734-(105+435)=194357+77=434274+(448-188)=534121×3-300=6390×9+513=1323841-377-77=387973+(549-14)=1508344-(357-118)=105848-163×4=196215-16+262=461456-(162+119)=175476+(427-162)=74111+(298-36)=273470-18-88=364104×6=624636-405=23172×(191-187)=28895+(541-434)=20288×(109-103)=528487-335=152736-(617-378)=497941+178×5=1831367×(174-170)=1468145+(361-167)=339742-257×2=2283/7-1/7=2/7682-303-366=13196-25×7=21966-133×3=567773-338+31=466145+225=370339-71-35=233749-678-56=15652-420=23215×9=135298×(148-145)=894134×5+383=1053332+102=434403-382=21394+(455-24)=825714-655+21=80496×(178-175)=148894×(100-96)=37678+(558-437)=199667×(695-691)=2668288-222-21=45632-(87+34)=511152×(420-414)=912155+218-244=129997-833+872=1036382-260+955=1077600×(845-836)=5400244-33-96=115661×2=132283×3=2491/5+2/5=3/570-70+57=57422-46×2=330378-351+330=357208-50×2=108249-(363-115)=1249×5=1245362×2+46=770378-108+32=302483-330-19=134409-89×4=53392-75×2=242436-136×2=164131×3=39350×(486-479)=350658-(526-51)=183644+750-967=427516-(406+58)=52104+199=303737-63-68=606651+290-868=73835×3=2505396+69=465317×8-781=1755908+28×4=102079×7-17=536110×(151-148)=330127×6=762214×(466-463)=64263×9+747=1314742-469=273439-(187+136)=116351-153-104=94884+186+350=1420174+92+718=984406-14=392177-60×2=57647+88-282=453643-23×6=50585×8=680245+270+16=531406+72-116=362291+101=392315+(541-372)=484132+197-43=286461-(164+226)=71123×5+756=1371773-49×7=430540+486=1026451-12×4=403191-56×3=23654+354-326=682203+181×4=927136+72+420=628232×2+236=700321-57-151=11337×8=296224×2+46=49471×9=639164+(458-334)=2881/8+4/8=5/872×4+291=579239+238-194=283138-20×4=58117+383+105=6051/4+2/4=3/44/9-3/9=1/986×6+319=835374-(107-47)=314809-417-43=34980×(264-256)=640471-294-111=66143×2=286326-181-65=80422-129=293433+(391-60)=764859-(134+467)=258416-(335-323)=404219×4-123=753270×3=810861+305+914=2080911-(594+313)=4965-(466+211)=288334+45-242=137910-(814-690)=786127+55=18258+313-313=58737+36+198=971155×8-392=848278×3+140=974123×6-596=142304+(643-350)=597344×9=3096432-273+813=972219-(320-266)=16578+155×2=388150+322=472324-272+94=146665-(664-643)=644622-36×9=298945+444+168=1557451-11-248=192124×7-786=82328+169=497436+(314-246)=504843×(341-332)=7587474-398+347=423837+(911-717)=103192×9-577=251338-60=278604×(381-374)=4228387+(322-316)=39398×3=294472-77-224=171463-(359-107)=211604×3-327=1485435+57-25=467433-268=165182+184-121=245530+445+262=1237170+359+966=149590+291=381296+189-391=944/6-1/6=3/6605+651+571=1827454-(214+163)=77130+610=740264+442+239=945130×7-774=13670×5=350743×9-93=6594498-405=93459+180=63935+106-103=38991-344×2=303177×6=106267×3-198=3499-356=143936+999-49=1886292-104×2=84868-645=223224×2+430=878392-(96-40)=33625×4=100218×4-133=739681-85×5=256461-424=37846+879=1725457-(471-324)=310736-703=33970-268-435=267822×(960-951)=7398516-341+677=852306-(185+57)=64371-180=19167+66×3=265363-(122+145)=96895-367=52853×(25-16)=477846+660+627=2133484-226-128=130567+177+803=1547318-282+34=70776+118-58=83642×6=252642+867+105=1614404×2+517=1325474+686-961=1997/10+2/10=9/10352-(163-81)=270918-892=26763-549=214510×6=3060943-412-400=131600-159×2=282861-(276+535)=50618-(356+149)=113755+317×3=1706325-46×4=14114+67×2=148154×6+489=1413205+19×9=376944-235×4=4113×(26-18)=904429+76×4=733112+248-44=316143-24×5=23362-(405-157)=114818-544=274164+73+582=819335-(60-22)=297764×4-515=254193×2=18684+416-222=278266-146+379=499386+200+227=813389-(18+174)=197673×(355-351)=2692237×(165-157)=1896636×(629-625)=2544195×(336-332)=78086+110=196126+16×3=17479-77+125=127111+68+718=897192+257×3=963854-27×9=611439-224=215714-387+395=722378-(203-99)=274548×3-858=786359-198+198=359719+40+974=1733473-(93+30)=350488-116×4=24385×2+761=1531351+103=454453×2+22=928177+181=358379+88+901=1368353-(153+98)=10286×9=774550×(410-401)=4950445-205×2=35127×7-839=50494×8-19=3933403-122+112=393322+488-194=616868×7=6076108×(229-224)=540233-(137+44)=52464-(12+255)=1972/8-1/8=1/8441+343=784332-285+27=74317×(396-393)=951316+274=590260-(163+11)=86138+(347-318)=167907+(561-259)=1209495+181×2=85733+(456-336)=153292×3-326=550483-476+71=7811+280+636=927465-94+98=469296-42-116=138171+243=414166+143=309696-630=66132+112+476=720230+(367-78)=519853-10×2=833559+404=963416-16×7=304487+(400-40)=847954-(542-522)=934960-(683-151)=428247×4=98851×4=204474-(459-275)=29099+14×2=127331+76-374=33858-(268+414)=176783+(777-596)=964516+656-775=397544×9-346=4550253+59×2=371222+139=361807×(885-876)=726377-(407-392)=62404+418+21=84312+(691-131)=572701×2=1402175-(268-209)=116308+98+128=53443×8+306=65067×(348-342)=402371-363+297=305554+315×2=1184944-61=88351×(272-266)=306423-136-28=259165+(350-345)=170410-47×6=128309-101-41=167782-232×3=86669+342-995=16588×7=4116412-124-94=194115+255+333=703320×2-177=463102×3-140=166271-64+139=346733-(610-215)=338639-394+766=1011910-(826-70)=154814×8-653=585981×(569-561)=648259-25-162=72668+89×2=8461/6+5/6=1305+36-339=242×(136-128)=336551-47×3=410181-(24+36)=121703+495=119886×4+398=742312+102=414966-826+768=908418-35+112=49584+446+418=948536×4=2144491-13×9=3741/7+3/7=4/7135×3+328=733278+184=462290-21=269801+552+641=1994478-(255-209)=432723-493+423=653390+617-345=662753+697+319=1769911-221=690367-79×2=20929×7=20374+88=162259+202-97=364145-49=9660+477+289=82641+176+182=399409×2=818378-68=31032+403-166=269269×4=1076427-(232+88)=107119×4=476162+129-26=265406-34×7=168158-42+101=217864+95-518=441896-522-167=207121×5+317=92275+282=357463×6-244=2534690-(514+82)=94878-(49+601)=228102+310=412249×7-300=14434/7-1/7=3/7332-17-208=107430-201×2=28110×(81-72)=990821-741+64=144811-440-121=250678-392+716=1002144+265×3=939104+514+270=888713-390+619=94284+210-203=91903×9=8127749+961=1710199+11-24=18638×(183-177)=228280-(454-316)=142438+680+888=200692+(761-32)=821998-(471+19)=508497-328-141=28128×(219-215)=51276+(295-136)=23570×3=210376-207+242=411333-(229+46)=58227+62=289418+80-465=33742-103×3=433720-(12+27)=681291-25×8=9128×7+64=260151-136=15126+217-171=172289-63×2=163563+127-629=61123+300=423300-(416-301)=185797+11+383=1191365+(452-118)=69951×(77-68)=459852-(752-690)=790941×(887-882)=4705768-350×2=68296+67×5=631719-22×8=5434/7+2/7=6/7139×7-424=549141×7=987349+122×4=837313+73+215=601283-39=244367+658+201=1226803-166×3=305353-(89+115)=149585+920+923=2428261+116=377823+(693-420)=1096260+84+294=638393×8-779=236518+709+991=1718994-661-116=217982+(928-73)=1837445+596-762=279111×8+221=1109170+202=372389×2-35=743296+171=46750×(431-425)=300410-249=161850-42=808636+940-95=1481394-186+135=343214-77-49=88461+(301-243)=51944×(466-463)=13265+16=81202+260-207=255140+19+189=348552-162=390694×4-306=2470452-208-182=62822+(763-48)=1537479-(211+15)=253460-154=306556+(728-112)=117291+147=238881-(48+112)=72186×5-109=321483-348-48=87544-(304-65)=305322×2-400=244313-(468-160)=5616+439+27=1082474-(491-211)=194420-(221+184)=15208+571+60=839256-(103+109)=44402×5-25