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670-216=913+194+120=380+916-602=733+757-720=788-(743-294)=719×2-403=490-54×3=358-269+410=517×9-758=742+578+424=297-51×5=171+549=756+(669-134)=305×(76-73)=19×(79-76)=107+647+180=530+133×3=706-(153+297)=912-418-440=904×9=154+509-89=90+752+124=428-54-319=393×2=424-(487-109)=185+69+486=144+171=471-217-145=306-(93+187)=411+584=192×(285-282)=436+222+972=510×8-705=46-11×3=99×3+300=886-(720-369)=994-(701+284)=257+149=676×7-573=217+(743-266)=163-38×4=625+322+167=380-57×3=981-(644+70)=223×7-453=495-459=821-82×6=342+(458-202)=903-406+919=740-44×2=214+(382-309)=50+151-95=5/9+3/9=98+237-21=456-105-262=786×(575-572)=469-(187+207)=274+28-124=310+874+225=265-44×6=971+232×3=30+240+19=653-95×2=168+708=292-48-94=816×3=12+354-81=10+(155-44)=85+190=108+240+371=932-338-160=382+269+261=391-366+236=479-(334-271)=39×3+836=597+(426-41)=310-299+246=687+589+940=142+174=750+62+55=980-654=876×(581-573)=4/7+2/7=104×5+305=524+354×2=122×(273-267)=758-(617-186)=725×8-353=258+240-118=429-285-35=445+119×2=429-(409-404)=329-34×5=434-(410-364)=310-57+138=653+(212-131)=787+362-243=62×(152-144)=13+203×2=140×4-61=29×(472-464)=34+197×4=997+(724-488)=653×(520-517)=397-57+905=541-120-114=547×4-575=54+(342-311)=2/6-1/6=403-367=380-(416-362)=812-561=417-34-273=646+624-822=2/5-1/5=312-11-21=152+121-187=909+352=891-76×7=437-336+171=595-15+114=645+47×3=128×4+235=69+302×2=411-(223+59)=449-183-233=815-(212+393)=424+443-770=358+90-213=652-(244+131)=949-255=435-87=296-22×3=449-(206+94)=909-750-54=5/7-1/7=827-(986-837)=80×3=839+926+927=675-46×8=10+310+29=36×4=270-(347-247)=142-32-53=969×(50-45)=746+246-351=615×(154-151)=323+(370-259)=874-148-640=905-42×4=772×5-530=138+88=202+108×9=390-338+396=294-21×3=265-34=56+138=464+67×2=199-93+152=991×9=839-(678-56)=321+(148-66)=97+576=902-(904-757)=667+125×2=449-109+620=437-259+137=896+476-584=238-(102+43)=640-(74+189)=163-73=832+771-166=483-13×9=401+117+942=5/10-3/10=393-123+936=477-(194+139)=981-904=130×(37-31)=645+26×2=192×2-272=57×7=150+(459-307)=896-239+695=481×2-381=201+58-101=113×2=94×8=569+188=57×(261-258)=312×7=483-379+634=293-129-130=198-122+172=391-(180-50)=73+113-132=134×7=457×2=599-(44-39)=460×8-392=337-255=109×9-783=315×9-482=102+134-11=533×2-44=754-(200-27)=385-(455-294)=219×(140-136)=458-418=481×(840-831)=424-327+202=89+795+75=484-189-14=486-33×9=731×6=334-166-159=93×(481-473)=410+(425-360)=846-115×6=464×(738-734)=2/8+5/8=298+109=363-223+229=770×3=664+752+418=629×4=5/9-3/9=451-285=905-(555+170)=88×6-314=132×(413-410)=495-(381+109)=44×(367-360)=392-(227+127)=144×5+708=53×3+498=878×3=273×(232-229)=255-(462-389)=395-(293-117)=44×8-283=90×7+554=682-(936-782)=622-73×5=228×4-349=51+490+106=57+137=129×4=254×4-27=696-117×5=773-553-115=714-166×3=952+(506-450)=816-(572+16)=421-(226+187)=29×(87-84)=202×2+331=222+151-67=264-(449-387)=148×6-608=110×(105-96)=408+(190-54)=696×2-157=232×(253-247)=132×3+101=751×2-962=1/8+5/8=238-(43+23)=274+629+18=95+141-96=150×6-610=141×3=635+345+483=324+269+104=693+68×5=879-(650-519)=491×2-904=118+867-823=260-(47+167)=198+650=352-68×5=775+704=95×7=177×5+400=433+(436-429)=145+(221-151)=361×(759-756)=388-(215-196)=611-257-144=37+119=971-56-421=222×3+788=841-(666-475)=302×2=757-(158+464)=498-217=284-16×5=337-74=92×(78-72)=244+240=709×(286-278)=444×(198-189)=395+(184-93)=1/8+6/8=552×7=908×8-244=398-16=150+386+620=237+185=316×3=787×7-691=158-127+190=467-32-38=431-(11+304)=444-351+213=330-149+114=837-256-351=281×(410-407)=61×(206-200)=432-199=253+193=431-121×3=284×3=27+97×2=193+81+876=106-(395-301)=678+481-216=371+642-791=373-(21+141)=437-96=646-286-338=355-312+136=795-97-110=392-(406-31)=146×4=357×2=688-19=973+373-676=195+223×2=327+65=1/5+3/5=800-(508-15)=825-(317+87)=80+241-309=161+(823-305)=388-181=144×5-36=700+627-710=393-301=320+120=703-702+587=468+820=692×(838-834)=305-(189-125)=3/6+2/6=718+11+698=330+117+463=536+(780-668)=901-(533+313)=470-(106+196)=418-256+140=643-(436+162)=467-(46+412)=288×2-114=931×8=669+(601-259)=244-96+248=88×8-151=451-329-48=221+(840-755)=473×2-858=345-(137+96)=71×(205-199)=254×(669-666)=384-287=489-86-189=108×6=705+(731-389)=153×4=450-428+818=527+224+53=737+(489-434)=557×4=845+827=424-354=53×6=2/3-1/3=61+666+129=230-188+735=11+614-134=776+(769-598)=776-108=836+652+320=332×5-661=59+(337-140)=960+46-858=23×6=298+64=87+332+521=991-20×5=879×(88-81)=272-34×3=475×8=81-25×3=40×6-85=276×3=202+162=143+499=915+718=447-412+115=427-(226+18)=146+(119-94)=834+(765-199)=633×6=711-192×2=672-350=227×(277-274)=178×(468-465)=380-38=6/8-2/8=301-201-71=719×4-755=675+142+693=326-(473-365)=195-70×2=428+96+223=983-32×3=369-24-247=61+135=325×3-834=385-10×3=140+(974-379)=158+843+841=497×2+562=143+201=101×3-198=3/8-2/8=747-(545+13)=298-47-80=645-(691-439)=199+349×2=390×2=101+196=311×2=477-304+250=132-(219-98)=495-(943-643)=489-108-50=319+144=196+99×2=403-159=389-200=433-(24+209)=20+(481-141)=666-(420-199)=616+808=84+(283-259)=290+(986-113)=898-(29+306)=744-98+951=133+(427-166)=743+55+686=269×2-326=837-(791-424)=919×9=20+(367-226)=464+(446-114)=144-51+252=753+830-452=306+179=259+443+40=890-(539-316)=158+579=224-114=75×8=984+(794-262)=300+625-453=100+153-51=249×2=835+74+947=150-76=883-139-635=229×4-512=67×7-284=472×2-77=354-26×6=119+199×4=256-15×4=90×9-447=30×3-69=805-(291+11)=439-18-135=445-170×2=755-106-515=493-144-121=35×4=975-409+496=325+697=818-178-379=237+373=988-774-65=660×2=353-(170+172)=691-690+267=439+20-37=93+565+304=134×7-54=122×(395-391)=30×(500-491)=732×4-846=452-40=447×2=55×(497-489)=26+357+188=395-305=267-18×8=119+109=1/6+2/6=631×(112-108)=71+149=280-(210-112)=380+81×7=83×(370-366)=43+(440-417)=188-154=768-525-109=336-(438-431)=431-337=904×9-115=482-(62+416)=817×9-869=110×3+343=162+97+183=691+624-654=486-46+828=109+71×6=522+338×2=278+80-173=487-(395-359)=183+145+452=133×4+694=455-310+675=939-25+865=417-(392-209)=471-(158+96)=309-283+67=883+630+792=543-169=378+977-968=378-289+859=296+241=398+155=128×4+405=196-152=92×6-526=58×(436-431)=19×7+348=145×9-367=959-(179+357)=377×9=607×6-234=596-138+756=943-(720-550)=285×2+293=436-(354-294)=468+(291-138)=518-17+379=646×(64-56)=256+100+111=312+94+802=89×9-277=153+291=897-745+373=772-69=887+808-643=236×5-605=460-(569-218)=604×4=340-(494-408)=626-(235+21)=668+(739-169)=938-93×4=610-143+14=43×9-256=782-68×4=474-161-96=55×7=73×2=989×9=408×(844-835)=30+(608-381)=277-(153+102)=858+251-78=234+106-214=184+76-131=490-(61+157)=672+380=723+40-335=505+(453-296)=52+973-384=291+47+474=3/7-2/7=193-(69+58)=146×3+74=350-36×3=285-153+20=171+322=117×(183-176)=229-(356-312)=65×3+865=214×2+343=97×9-805=119×(172-167)=249×4+223=495+(173-51)=128+240-158=319-113=208+202-152=541+269-759=161+(372-228)=53×(455-447)=864-(240+285)=992-89×6=139×(426-423)=263+64×5=407-(356-258)=368-(350-134)=47×7+764=358×2=341-266=779×7=171+32=74+186+141=793-174×3=400-51-182=15×3+706=266-198+54=409-(64+190)=895-655-193=10+483+256=132-(301-187)=161-27×4=762-226-167=805×4=112+630+358=99+398=700-50×3=463-112=390×2-705=266+168-63=108×3+298=544-260=725+(671-298)=145+(244-223)=751+110×8=838-389-265=396-(158+176)=201-(15+73)=393-18×7=853-343=321-(388-119)=457-246-133=98×2+141=542-342+358=518-410=369+96=454-157×2=715×(834-828)=74×(450-446)=305+578+97=375-93×4=299-(441-247)=377-(40+165)=943-290×2=276×2-444=320+(196-122)=900×(532-523)=419-292=458-275+45=645-42-110=834-(118+220)=285-(120-37)=474+(97-81)=1/6+3/6=680-406=147×3+536=473-217+962=893-(166+532)=39+(819-410)=379-(366-251)=395-88×4=11+487×2=322×5=52+154=781+119+157=66-46=123+193+474=509+279=698×(739-735)=334+(477-236)=457-112-114=939-155×3=56+(496-289)=942×(662-656)=76×4-248=288-143-83=251+219=43+132-15=317-(425-380)=405-340=643-134×2=118×5+13=162-38×3=490-232-92=640×4-686=40×5-161=335-154-90=142-(466-459)=163+175-273=6/8-1/8=688-(442+166)=296+140=192+(895-295)=285-224+849=996-37-764=230+586+658=480×2=664+266=997-749+740=41+199×4=582-(254+239)=265-(131+112)=345+22-113=995-138×3=757-(851-719)=378+322+917=744+408=696+612+338=145+(231-42)=1/4+2/4=520-58+597=969-816-120=247×9=377+987-351=342-(77+226)=800-610=928-522-347=896-170-552=397-44=37×5+325=303-(62+137)=63+195=939+(602-470)=486-32×6=209-12=43+558-305=353+134+214=515×(231-225)=735-(851-418)=471+321=159+60+185=376+232×4=144+162=383+71=147×7=222-88=489-41×3=87×4=617+225+59=362-69-159=556-278=77+395-48=602-90+556=71+(457-423)=310×2-103=277-25×3=142+(983-51)=483×(568-565)=259-254+590=959-424=254-200=560-260=24+725-464=426-(398-123)=249-117+83=886-(331+243)=546-(286+75)=65+216-261=878-808+38=151-26-124=362+82=153+129×4=190×4+168=965-(258-21)=4/8-3/8=207+37-171=971-195=590-45×4=771-213-37=3/10-1/10=44×(51-44)=704-(336+300)=116×(249-240)=420-102=98+(463-65)=66×(481-478)=853-83-309=425-275+346=436-(464-61)=499-125×2=928+802+744=186-73=307+570=1/8+3/8=778+357-493=394-84×4=879-(657-245)=409-208-161=321+(291-39)=125+76+52=276×2=297-23-31=518+165+196=306-157+301=883-381×2=274+13-223=494×3-849=102+263-106=788-(579-457)=958-183×3=371×2=23×(54-47)=493-(310+141)=439-391+263=865-331×2=42×8+452=806-(597+110)=350+(445-91)=379+358+131=601×(865-856)=468-253+26=166+289-427=106×9=211+90×2=460-445=157+280=373-315+109=383×4-500=273+96×5=418-324+148=489-(195-58)=882+158-898=192+247×3=794-549-161=60×7=586×3=865-(501+242)=169×(930-926)=1/3+2/3=459-126=489-68-103=480-(53+273)=714+(752-560)=342+(840-56)=参考答案670-216=454913+194+120=1227380+916-602=694733+757-720=770788-(743-294)=339719×2-403=1035490-54×3=328358-269+410=499517×9-758=3895742+578+424=1744297-51×5=42171+549=720756+(669-134)=1291305×(76-73)=91519×(79-76)=57107+647+180=934530+133×3=929706-(153+297)=256912-418-440=54904×9=8136154+509-89=57490+752+124=966428-54-319=55393×2=786424-(487-109)=46185+69+486=740144+171=315471-217-145=109306-(93+187)=26411+584=995192×(285-282)=576436+222+972=1630510×8-705=337546-11×3=1399×3+300=597886-(720-369)=535994-(701+284)=9257+149=406676×7-573=4159217+(743-266)=694163-38×4=11625+322+167=1114380-57×3=209981-(644+70)=267223×7-453=1108495-459=36821-82×6=329342+(458-202)=598903-406+919=1416740-44×2=652214+(382-309)=28750+151-95=1065/9+3/9=8/998+237-21=314456-105-262=89786×(575-572)=2358469-(187+207)=75274+28-124=178310+874+225=1409265-44×6=1971+232×3=166730+240+19=289653-95×2=463168+708=876292-48-94=150816×3=244812+354-81=28510+(155-44)=12185+190=275108+240+371=719932-338-160=434382+269+261=912391-366+236=261479-(334-271)=41639×3+836=953597+(426-41)=982310-299+246=257687+589+940=2216142+174=316750+62+55=867980-654=326876×(581-573)=70084/7+2/7=6/7104×5+305=825524+354×2=1232122×(273-267)=732758-(617-186)=327725×8-353=5447258+240-118=380429-285-35=109445+119×2=683429-(409-404)=424329-34×5=159434-(410-364)=388310-57+138=391653+(212-131)=734787+362-243=90662×(152-144)=49613+203×2=419140×4-61=49929×(472-464)=23234+197×4=822997+(724-488)=1233653×(520-517)=1959397-57+905=1245541-120-114=307547×4-575=161354+(342-311)=852/6-1/6=1/6403-367=36380-(416-362)=326812-561=251417-34-273=110646+624-822=4482/5-1/5=1/5312-11-21=280152+121-187=86909+352=1261891-76×7=359437-336+171=272595-15+114=694645+47×3=786128×4+235=74769+302×2=673411-(223+59)=129449-183-233=33815-(212+393)=210424+443-770=97358+90-213=235652-(244+131)=277949-255=694435-87=348296-22×3=230449-(206+94)=149909-750-54=1055/7-1/7=4/7827-(986-837)=67880×3=240839+926+927=2692675-46×8=30710+310+29=34936×4=144270-(347-247)=170142-32-53=57969×(50-45)=4845746+246-351=641615×(154-151)=1845323+(370-259)=434874-148-640=86905-42×4=737772×5-530=3330138+88=226202+108×9=1174390-338+396=448294-21×3=231265-34=23156+138=194464+67×2=598199-93+152=258991×9=8919839-(678-56)=217321+(148-66)=40397+576=673902-(904-757)=755667+125×2=917449-109+620=960437-259+137=315896+476-584=788238-(102+43)=93640-(74+189)=377163-73=90832+771-166=1437483-13×9=366401+117+942=14605/10-3/10=2/10393-123+936=1206477-(194+139)=144981-904=77130×(37-31)=780645+26×2=697192×2-272=11257×7=399150+(459-307)=302896-239+695=1352481×2-381=581201+58-101=158113×2=22694×8=752569+188=75757×(261-258)=171312×7=2184483-379+634=738293-129-130=34198-122+172=248391-(180-50)=26173+113-132=54134×7=938457×2=914599-(44-39)=594460×8-392=3288337-255=82109×9-783=198315×9-482=2353102+134-11=225533×2-44=1022754-(200-27)=581385-(455-294)=224219×(140-136)=876458-418=40481×(840-831)=4329424-327+202=29989+795+75=959484-189-14=281486-33×9=189731×6=4386334-166-159=993×(481-473)=744410+(425-360)=475846-115×6=156464×(738-734)=18562/8+5/8=7/8298+109=407363-223+229=369770×3=2310664+752+418=1834629×4=25165/9-3/9=2/9451-285=166905-(555+170)=18088×6-314=214132×(413-410)=396495-(381+109)=544×(367-360)=308392-(227+127)=38144×5+708=142853×3+498=657878×3=2634273×(232-229)=819255-(462-389)=182395-(293-117)=21944×8-283=6990×7+554=1184682-(936-782)=528622-73×5=257228×4-349=56351+490+106=64757+137=194129×4=516254×4-27=989696-117×5=111773-553-115=105714-166×3=216952+(506-450)=1008816-(572+16)=228421-(226+187)=829×(87-84)=87202×2+331=735222+151-67=306264-(449-387)=202148×6-608=280110×(105-96)=990408+(190-54)=544696×2-157=1235232×(253-247)=1392132×3+101=497751×2-962=5401/8+5/8=6/8238-(43+23)=172274+629+18=92195+141-96=140150×6-610=290141×3=423635+345+483=1463324+269+104=697693+68×5=1033879-(650-519)=748491×2-904=78118+867-823=162260-(47+167)=46198+650=848352-68×5=12775+704=147995×7=665177×5+400=1285433+(436-429)=440145+(221-151)=215361×(759-756)=1083388-(215-196)=369611-257-144=21037+119=156971-56-421=494222×3+788=1454841-(666-475)=650302×2=604757-(158+464)=135498-217=281284-16×5=204337-74=26392×(78-72)=552244+240=484709×(286-278)=5672444×(198-189)=3996395+(184-93)=4861/8+6/8=7/8552×7=3864908×8-244=7020398-16=382150+386+620=1156237+185=422316×3=948787×7-691=4818158-127+190=221467-32-38=397431-(11+304)=116444-351+213=306330-149+114=295837-256-351=230281×(410-407)=84361×(206-200)=366432-199=233253+193=446431-121×3=68284×3=85227+97×2=221193+81+876=1150106-(395-301)=12678+481-216=943371+642-791=222373-(21+141)=211437-96=341646-286-338=22355-312+136=179795-97-110=588392-(406-31)=17146×4=584357×2=714688-19=669973+373-676=670195+223×2=641327+65=3921/5+3/5=4/5800-(508-15)=307825-(317+87)=42180+241-309=12161+(823-305)=679388-181=207144×5-36=684700+627-710=617393-301=92320+120=440703-702+587=588468+820=1288692×(838-834)=2768305-(189-125)=2413/6+2/6=5/6718+11+698=1427330+117+463=910536+(780-668)=648901-(533+313)=55470-(106+196)=168418-256+140=302643-(436+162)=45467-(46+412)=9288×2-114=462931×8=7448669+(601-259)=1011244-96+248=39688×8-151=553451-329-48=74221+(840-755)=306473×2-858=88345-(137+96)=11271×(205-199)=426254×(669-666)=762384-287=97489-86-189=214108×6=648705+(731-389)=1047153×4=612450-428+818=840527+224+53=804737+(489-434)=792557×4=2228845+827=1672424-354=7053×6=3182/3-1/3=1/361+666+129=856230-188+735=77711+614-134=491776+(769-598)=947776-108=668836+652+320=1808332×5-661=99959+(337-140)=256960+46-858=14823×6=138298+64=36287+332+521=940991-20×5=891879×(88-81)=6153272-34×3=170475×8=380081-25×3=640×6-85=155276×3=828202+162=364143+499=642915+718=1633447-412+115=150427-(226+18)=183146+(119-94)=171834+(765-199)=1400633×6=3798711-192×2=327672-350=322227×(277-274)=681178×(468-465)=534380-38=3426/8-2/8=4/8301-201-71=29719×4-755=2121675+142+693=1510326-(473-365)=218195-70×2=55428+96+223=747983-32×3=887369-24-247=9861+135=196325×3-834=141385-10×3=355140+(974-379)=735158+843+841=1842497×2+562=1556143+201=344101×3-198=1053/8-2/8=1/8747-(545+13)=189298-47-80=171645-(691-439)=393199+349×2=897390×2=780101+196=297311×2=622477-304+250=423132-(219-98)=11495-(943-643)=195489-108-50=331319+144=463196+99×2=394403-159=244389-200=189433-(24+209)=20020+(481-141)=360666-(420-199)=445616+808=142484+(283-259)=108290+(986-113)=1163898-(29+306)=563744-98+951=1597133+(427-166)=394743+55+686=1484269×2-326=212837-(791-424)=470919×9=827120+(367-226)=161464+(446-114)=796144-51+252=345753+830-452=1131306+179=485259+443+40=742890-(539-316)=667158+579=737224-114=11075×8=600984+(794-262)=1516300+625-453=472100+153-51=202249×2=498835+74+947=1856150-76=74883-139-635=109229×4-512=40467×7-284=185472×2-77=867354-26×6=198119+199×4=915256-15×4=19690×9-447=36330×3-69=21805-(291+11)=503439-18-135=286445-170×2=105755-106-515=134493-144-121=22835×4=140975-409+496=1062325+697=1022818-178-379=261237+373=610988-774-65=149660×2=1320353-(170+172)=11691-690+267=268439+20-37=42293+565+304=962134×7-54=884122×(395-391)=48830×(500-491)=270732×4-846=2082452-40=412447×2=89455×(497-489)=44026+357+188=571395-305=90267-18×8=123119+109=2281/6+2/6=3/6631×(112-108)=252471+149=220280-(210-112)=182380+81×7=94783×(370-366)=33243+(440-417)=66188-154=34768-525-109=134336-(438-431)=329431-337=94904×9-115=8021482-(62+416)=4817×9-869=6484110×3+343=673162+97+183=442691+624-654=661486-46+828=1268109+71×6=535522+338×2=1198278+80-173=185487-(395-359)=451183+145+452=780133×4+694=1226455-310+675=820939-25+865=1779417-(392-209)=234471-(158+96)=217309-283+67=93883+630+792=2305543-169=374378+977-968=387378-289+859=948296+241=537398+155=553128×4+405=917196-152=4492×6-526=2658×(436-431)=29019×7+348=481145×9-367=938959-(179+357)=423377×9=3393607×6-234=3408596-138+756=1214943-(720-550)=773285×2+293=863436-(354-294)=376468+(291-138)=621518-17+379=880646×(64-56)=5168256+100+111=467312+94+802=120889×9-277=524153+291=444897-745+373=525772-69=703887+808-643=1052236×5-605=575460-(569-218)=109604×4=2416340-(494-408)=254626-(235+21)=370668+(739-169)=1238938-93×4=566610-143+14=48143×9-256=131782-68×4=510474-161-96=21755×7=38573×2=146989×9=8901408×(844-835)=367230+(608-381)=257277-(153+102)=22858+251-78=1031234+106-214=126184+76-131=129490-(61+157)=272672+380=1052723+40-335=428505+(453-296)=66252+973-384=641291+47+474=8123/7-2/7=1/7193-(69+58)=66146×3+74=512350-36×3=242285-153+20=152171+322=493117×(183-176)=819229-(356-312)=18565×3+865=1060214×2+343=77197×9-805=68119×(172-167)=595249×4+223=1219495+(173-51)=617128+240-158=210319-113=206208+202-152=258541+269-759=51161+(372-228)=30553×(455-447)=424864-(240+285)=339992-89×6=458139×(426-423)=417263+64×5=583407-(356-258)=309368-(350-134)=15247×7+764=1093358×2=716341-266=75779×7=5453171+32=20374+186+141=401793-174×3=271400-51-182=16715×3+706=751266-198+54=122409-(64+190)=155895-655-193=4710+483+256=749132-(301-187)=18161-27×4=53762-226-167=369805×4=3220112+630+358=110099+398=497700-50×3=550463-112=351390×2-705=75266+168-63=371108×3+298=622544-260=284725+(671-298)=1098145+(244-223)=166751+110×8=1631838-389-265=184396-(158+176)=62201-(15+73)=113393-18×7=267853-343=510321-(388-119)=52457-246-133=7898×2+141=337542-342+358=558518-410=108369+96=465454-157×2=140715×(834-828)=429074×(450-446)=296305+578+97=980375-93×4=3299-(441-247)=105377-(40+165)=172943-290×2=363276×2-444=108320+(196-122)=394900×(532-523)=8100419-292=127458-275+45=228645-42-110=493834-(118+220)=496285-(120-37)=202474+(97-81)=4901/6+3/6=4/6680-406=274147×3+536=977473-217+962=1218893-(166+532)=19539+(819-410)=448379-(366-251)=264395-88×4=4311+487×2=985322×5=161052+154=206781+119+157=105766-46=20123+193+474=790509+279=788698×(739-735)=2792334+(477-236)=575457-112-114=231939-155×3=47456+(496-289)=263942×(662-656)=565276×4-248=56288-143-83=62251+219=47043+132-15=160317-(425-380)=2724