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83+226=150+151-150=398×7=270-(392-238)=93×9=407-339=204+281-482=4/8-1/8=338+(472-108)=406-127×3=401-278=83+816+302=93+294×2=429+795-156=314+(429-43)=992-943+871=296-(408-376)=222×4-314=648+92×7=363-66×3=461-(455-97)=767-544+755=753-584+595=434-243+38=555+67×6=220+270=209-(152-142)=911+203-669=154×6-743=397-23×8=422-126=351-(245-194)=583+504+250=854-167-674=534+(207-166)=793-155×5=188+21×4=992-(904-17)=162×2-97=242-194+258=237+247=221+(463-71)=819-212+260=827×5-422=725×4-561=77×9-679=493×(56-48)=23×2=49×3=190×2-126=69+300=759-717=335×4-751=653×(724-717)=552+408-858=437-(766-525)=376-46-250=204×2=453-369+101=963+376+838=262×3=44+260+52=381-287+799=352-238=174-(83-12)=11×(274-271)=453+(150-110)=585×2-186=877×(74-67)=2/4-1/4=477+142+776=401-237+67=358-192-158=630-95-39=203+17-199=425×(843-838)=344-125+975=691+(754-583)=473×2=74×4=197×(241-237)=3/5-1/5=374+56-64=245-171+144=825-142×3=999-612=966-162-500=273+179×3=329×3-133=438-17×3=105-(999-902)=220+177=569-(78+394)=804×7=968-105+316=426-(127-23)=29×(165-161)=524+662-204=631-64×2=190+77+698=288×3-489=136×7-26=453+814+498=373-326+28=366+693-479=486-(94+378)=283×3=527×(707-699)=266-(446-253)=168×(711-704)=362+419=419-36-86=627+170=440-(30+305)=336-45×3=568-(629-584)=847-(179-60)=664+(924-142)=330-47×5=51×5-66=492-33+28=637-75×4=193+282-140=450×(215-208)=371+276=498-34-268=177-12×8=369×2+190=68×3+719=386+921+422=485+(349-168)=478-(210-131)=929-(481+280)=126×7=814-(911-440)=415-(166-72)=159+31×8=897+155×3=240-216=3/6-1/6=589-82=638-102×2=376+296×2=591-184×3=858-82×9=210×2=158×6=170×4+246=38+(284-151)=84+330=469-(85+275)=182+194=333-(252-169)=37+(481-422)=785×2-698=925-(517+37)=129×5+910=436+(436-33)=123+144+960=421+72-419=21×5=457-111=269-(945-907)=484-126×2=562+(917-770)=24+(685-166)=47×3=762+(715-274)=293+199-60=217-97=338+(449-83)=856-(285+446)=118×2+297=713×2-778=249-232+34=801×9=152×(432-429)=178+(399-208)=393-138×2=433-(184-76)=648+(815-756)=304+143-338=484×(940-933)=362-150=6/7-1/7=845-519-218=256+901-787=418-220-193=152+31=539-(230+134)=392-42×3=101×(133-128)=308-(706-408)=661-(604-581)=496-217×2=5/9-4/9=310+166=520-63-212=971-184-57=528-311=861×9-330=176+342+131=88×8=128+165-241=760×4-869=741-100-575=221-(331-263)=252+(165-111)=85×(310-303)=129×4=765-(959-467)=250-49-125=257×3-454=272-221+239=538×2=123+117=491-(18+115)=144+284=121+532+200=966-119×3=419+644+447=398-334+298=291+(392-322)=157-(206-154)=94×8-596=470-69-194=745×(787-784)=288+173=475-(89+147)=49×(862-858)=53+43×7=498-424-10=136-26×3=360-(424-123)=83×(500-496)=1/10+6/10=991+640+592=253+229-382=769+720+771=826×5=425-159-151=396-257+276=219×3+213=406-55=911+744+13=935-115×3=431-(627-203)=29+131=590-546=46×(292-288)=138-(71+61)=282-210+394=97×(127-121)=221-(739-631)=385+588=30×2+215=512-(425-262)=107×(822-819)=669+301×3=32+202-160=36×9=97×5-255=443-66-69=541-329+167=468-45-31=614-236-77=21×8=106-16×5=480+67×3=401-361+368=377+(254-222)=932-60×9=169×3=564-417-139=833-(556+246)=407-354+349=2/10+4/10=302×8-307=206-104+294=488×3-535=532+179-538=4/8+3/8=82×(228-223)=364-120×3=572+262+24=232×(133-130)=984-785-37=979-116×5=152+593-226=397-(240+81)=680-(110+79)=205+109=308+245×2=815×(398-391)=839×(129-124)=192-(21+111)=765+932=770×7-910=302×(924-915)=400-343-33=37×3-56=219+115-34=979-841-118=985-(183-28)=123×(492-486)=233-(747-652)=396-180=769-25-313=194-(80+57)=519-336-76=481-85×5=865-(246+191)=485-239-150=315×2-274=499+(383-165)=418+(227-77)=7/8-1/8=323+146=171×2=366-(172+18)=154-(450-399)=565+165+576=996-216×4=206-38×5=317-(365-295)=152×5=747×2=838+(383-125)=962-533=420-379+414=382×2=737×(175-170)=496-(172+315)=410-41=250-97=370-(265+39)=194×(45-42)=601-107×5=818-(521+280)=363-(127+70)=4/7-1/7=302-100=351-154=404+(584-485)=250×(620-614)=150-107=273+185-182=29×7=114+81-49=230×2=910+168+511=45×9-292=136×(238-234)=593-455+716=149+207=352+92×5=84-12×2=264+234=489×7=304+32×3=130×6-433=188+219+136=960-165-464=580+93+78=287+(743-306)=454-11×4=410+(316-278)=111+(430-406)=26+484+43=759+(549-212)=240+80=6/10+3/10=79-35=303-(89+140)=264-28+216=449×4=409-337+112=468-355-59=126×(89-83)=990-309=71×(449-442)=98+301=79+(992-141)=128×(82-75)=248-44-64=206+112×2=568-95+663=409-(220+123)=638+84+59=197+604+193=637-80×2=701×4-237=218×4-234=795+(871-364)=138+275=584+128×3=803-686+114=901×9-660=333+(389-221)=463-114-136=858×(473-465)=685-(269+203)=183-(207-130)=308-(44+145)=652+996-486=105+849+816=386-(101+137)=458-(181+263)=105×7-477=259-39×4=460-52=636-454=979-(646-285)=246×2+313=121×7+367=322×3+450=499-(110+64)=963-295=148×5=145-74+786=820+962=456×5-198=348-283+365=544+634-987=478×7=565×(275-272)=200+903+315=604+(919-708)=490+(471-227)=287+(341-73)=489-62-273=939-(382+521)=184+215×3=987+647+362=80×6+146=301-46-17=118×5=717-(64+335)=110×9-508=70×7-392=1/7+4/7=964+430-973=198+95-68=307-193+379=122×7=48+38+442=574-72+101=108-17+431=213+76=479-57×3=376-33×5=479-51-388=268-80-135=113-(12+56)=168+154=989-156×4=497-(353+46)=406-221=125+89-120=58×3=209+33-236=99+470-488=342-(222+70)=611-110=423-233=360+83=646-278+488=604+(755-261)=106×3=378-(633-631)=222+718+709=420-(309+69)=254+(453-359)=468-155×2=383-167+127=103+203+670=480×2=154×3=244+262+481=214×(262-258)=335×4-88=673×4=950+(829-820)=184+559+250=177-141+347=72+169=157+777-846=350-(169+176)=326×3-177=286×3+627=423-407+351=284+73=919-221-664=439+590-275=798-(474-310)=748+47+17=121×(474-471)=109+317-388=655-258=243+132-198=7/9+2/9=658×3-881=244+(290-128)=859-114+86=377+186+124=308+42×7=265×2=565+717-586=329+75-322=88×5+445=956-(154+472)=847-(696+125)=470-11×5=902×(889-881)=468+71-447=400-(620-220)=722-178=639+470=235×2+251=924-498+304=735-(400-248)=135+373+197=67×9-154=999×(266-258)=931+850=272-(79+157)=416-197=176-(917-817)=988×4=158×2+465=332-97=150×2+499=338-(193-180)=979-309+529=389-(91+56)=78+767+11=175+74×9=148+306+88=711×(489-483)=25+133×4=921-10=166×5-664=163×4+462=625-403=143-58=754-160-510=415+269=500-155×2=36+(337-174)=849+(982-212)=166×6+413=465-221-159=764-86×7=487-378=744-142=452-276+198=25×8+179=473-253=502-53×6=673-105×6=103+992-744=262+486+53=857-702=223-120=24+(743-498)=967-597+346=486-464=744-(363+268)=680-89×3=103-(445-426)=665-293=293+562-293=1/6+2/6=57×2+487=408×2=85×(221-214)=630-24-134=744-(76+265)=214+258-339=78+238×4=256+(443-376)=473×2+47=212+(406-50)=270+(360-52)=292-68-91=167+202-30=43×(414-411)=221-13×8=823×3=608+799+27=811×(627-621)=752+324=240+280=920-(388+247)=144+337-136=181+254=267-(402-198)=584+868+447=657-(555-279)=216-205=271×8-790=410+83+345=144×4+821=859-(594-26)=805-676+648=601-(274+296)=882-785=35×(377-371)=116×7-295=86×6=277+170-133=138×(310-305)=167×(55-50)=481-229×2=872-(401+217)=190+87=370-145+60=5/8-2/8=434-(822-553)=151+736+641=485+503=466-15×4=285-(484-313)=766×7=551+890+314=797-323=456-(299+90)=961+381-628=305×2-567=211×(445-442)=329+(484-285)=877+377+809=30×(332-323)=546+(981-550)=119×5+457=322×5-383=126+68×6=82×(266-259)=1/10+5/10=350+(405-211)=721-437=269-12=867+(355-189)=485+207=167+63×5=607-75×2=378+361=346-264+312=375×2+95=82+258=39-26=170×3+151=259+(146-64)=502+354+144=951-287×3=443-420+93=243-156+266=202+325+48=323+(964-316)=370×4-968=245-72×3=21+81+414=942-(999-793)=96×7+184=67-(189-157)=592+444-245=320+16×2=417+173+709=143×3-308=104×6+473=675-17-103=994-801=327-135×2=239+216=168+689=66×3=785-346+823=237-73=774+696+366=426+65×6=479-128-340=248×2+199=449-22×3=942+(967-353)=168×5=835+122×3=209×4=640×6-783=79+368=995-(735-586)=99+583+121=762-(306+444)=182+117×6=131×(188-182)=114+593+74=496-148×3=751×3-283=145+(167-65)=343+301+175=48+60×4=151×(788-785)=426×(481-475)=245×4=256-24-109=296-48-149=670-121+354=336+474+136=360×9-132=17×(255-246)=348-(120-52)=69×4=236+139=308+831-381=525×4-752=101×5+467=146-119=313+(493-188)=971-454=485-69-305=1/4+2/4=665+527+793=875-491-270=187×3-462=127×7-71=872-56×4=747-491-251=393×(411-405)=424-(241+42)=662-435+395=120+(821-73)=2/7-1/7=100×9-497=229×4=3/7-2/7=22+27=327-(93+68)=733×7-770=225×(330-326)=782-(345+162)=465+135×6=218+227-363=274+478-573=339×2+343=468-133×3=401-69-48=915+860-13=148-(161-147)=691-71×3=138×9-766=71-(19+23)=232-(91+77)=780-98×7=485-220=317×(624-615)=281+160=651-(136-15)=829+154-570=328+(258-43)=310-291+481=274+99=803-95+451=537-(226+156)=358+(754-361)=370-74-20=170-45+367=934-(201+343)=170+281-104=283+(437-309)=88+604+450=177-(302-162)=393-75+459=362×3=141×6=467-327=98×8=420-108-307=449-(121-113)=200+192+131=59+254-224=1/5+3/5=471-209=714-(335+33)=26×(195-188)=572-(401-242)=470-32=829-116=48+113=857+(950-609)=782+399-524=526+143+105=521+(50-33)=74+413+91=264-111=436+169-97=807-(458+183)=345+127-268=700×(94-90)=146×4=1/7+5/7=298+711=607-141×4=904-(890-794)=217+244=225×4-212=608+920-167=350-173-91=121+118=392+34+401=687-112×5=348-(218-199)=16×9=368-118-231=45+74-89=886×7-636=889+250×4=421+124+434=193×4-28=107×(702-699)=81+91=478-(61+16)=37+386-174=465+(978-950)=700-195-303=560-(192+306)=499-248+159=697+955-474=407-300+58=443-(471-294)=121-(25+61)=258+129=473×5=74+236-144=398-10-290=278+289=177+113=59×3-45=1/8+6/8=625+469+706=298×(728-722)=818-136-516=29×2=637+829-668=493-156-59=255-117+234=402-181-90=534-89-427=385-184×2=814-435-272=835-157=26+52=957-(142+252)=929-727-168=840+889=742-542+445=64+61=270×3-43=153×6-673=993-(121-115)=381-245-104=577×3=156-(273-269)=866-29+280=485-75×6=6/8-1/8=參考答案83+226=309150+151-150=151398×7=2786270-(392-238)=11693×9=837407-339=68204+281-482=34/8-1/8=3/8338+(472-108)=702406-127×3=25401-278=12383+816+302=120193+294×2=681429+795-156=1068314+(429-43)=700992-943+871=920296-(408-376)=264222×4-314=574648+92×7=1292363-66×3=165461-(455-97)=103767-544+755=978753-584+595=764434-243+38=229555+67×6=957220+270=490209-(152-142)=199911+203-669=445154×6-743=181397-23×8=213422-126=296351-(245-194)=300583+504+250=1337854-167-674=13534+(207-166)=575793-155×5=18188+21×4=272992-(904-17)=105162×2-97=227242-194+258=306237+247=484221+(463-71)=613819-212+260=867827×5-422=3713725×4-561=233977×9-679=14493×(56-48)=394423×2=4649×3=147190×2-126=25469+300=369759-717=42335×4-751=589653×(724-717)=4571552+408-858=102437-(766-525)=196376-46-250=80204×2=408453-369+101=185963+376+838=2177262×3=78644+260+52=356381-287+799=893352-238=114174-(83-12)=10311×(274-271)=33453+(150-110)=493585×2-186=984877×(74-67)=61392/4-1/4=1/4477+142+776=1395401-237+67=231358-192-158=8630-95-39=496203+17-199=21425×(843-838)=2125344-125+975=1194691+(754-583)=862473×2=94674×4=296197×(241-237)=7883/5-1/5=2/5374+56-64=366245-171+144=218825-142×3=399999-612=387966-162-500=304273+179×3=810329×3-133=854438-17×3=387105-(999-902)=8220+177=397569-(78+394)=97804×7=5628968-105+316=1179426-(127-23)=32229×(165-161)=116524+662-204=982631-64×2=503190+77+698=965288×3-489=375136×7-26=926453+814+498=1765373-326+28=75366+693-479=580486-(94+378)=14283×3=849527×(707-699)=4216266-(446-253)=73168×(711-704)=1176362+419=781419-36-86=297627+170=797440-(30+305)=105336-45×3=201568-(629-584)=523847-(179-60)=728664+(924-142)=1446330-47×5=9551×5-66=189492-33+28=487637-75×4=337193+282-140=335450×(215-208)=3150371+276=647498-34-268=196177-12×8=81369×2+190=92868×3+719=923386+921+422=1729485+(349-168)=666478-(210-131)=399929-(481+280)=168126×7=882814-(911-440)=343415-(166-72)=321159+31×8=407897+155×3=1362240-216=243/6-1/6=2/6589-82=507638-102×2=434376+296×2=968591-184×3=39858-82×9=120210×2=420158×6=948170×4+246=92638+(284-151)=17184+330=414469-(85+275)=109182+194=376333-(252-169)=25037+(481-422)=96785×2-698=872925-(517+37)=371129×5+910=1555436+(436-33)=839123+144+960=1227421+72-419=7421×5=105457-111=346269-(945-907)=231484-126×2=232562+(917-770)=70924+(685-166)=54347×3=141762+(715-274)=1203293+199-60=432217-97=120338+(449-83)=704856-(285+446)=125118×2+297=533713×2-778=648249-232+34=51801×9=7209152×(432-429)=456178+(399-208)=369393-138×2=117433-(184-76)=325648+(815-756)=707304+143-338=109484×(940-933)=3388362-150=2126/7-1/7=5/7845-519-218=108256+901-787=370418-220-193=5152+31=183539-(230+134)=175392-42×3=266101×(133-128)=505308-(706-408)=10661-(604-581)=638496-217×2=625/9-4/9=1/9310+166=476520-63-212=245971-184-57=730528-311=217861×9-330=7419176+342+131=64988×8=704128+165-241=52760×4-869=2171741-100-575=66221-(331-263)=153252+(165-111)=30685×(310-303)=595129×4=516765-(959-467)=273250-49-125=76257×3-454=317272-221+239=290538×2=1076123+117=240491-(18+115)=358144+284=428121+532+200=853966-119×3=609419+644+447=1510398-334+298=362291+(392-322)=361157-(206-154)=10594×8-596=156470-69-194=207745×(787-784)=2235288+173=461475-(89+147)=23949×(862-858)=19653+43×7=354498-424-10=64136-26×3=58360-(424-123)=5983×(500-496)=3321/10+6/10=7/10991+640+592=2223253+229-382=100769+720+771=2260826×5=4130425-159-151=115396-257+276=415219×3+213=870406-55=351911+744+13=1668935-115×3=590431-(627-203)=729+131=160590-546=4446×(292-288)=184138-(71+61)=6282-210+394=46697×(127-121)=582221-(739-631)=113385+588=97330×2+215=275512-(425-262)=349107×(822-819)=321669+301×3=157232+202-160=7436×9=32497×5-255=230443-66-69=308541-329+167=379468-45-31=392614-236-77=30121×8=168106-16×5=26480+67×3=681401-361+368=408377+(254-222)=409932-60×9=392169×3=507564-417-139=8833-(556+246)=31407-354+349=4022/10+4/10=6/10302×8-307=2109206-104+294=396488×3-535=929532+179-538=1734/8+3/8=7/882×(228-223)=410364-120×3=4572+262+24=858232×(133-130)=696984-785-37=162979-116×5=399152+593-226=519397-(240+81)=76680-(110+79)=491205+109=314308+245×2=798815×(398-391)=5705839×(129-124)=4195192-(21+111)=60765+932=1697770×7-910=4480302×(924-915)=2718400-343-33=2437×3-56=55219+115-34=300979-841-118=20985-(183-28)=830123×(492-486)=738233-(747-652)=138396-180=216769-25-313=431194-(80+57)=57519-336-76=107481-85×5=56865-(246+191)=428485-239-150=96315×2-274=356499+(383-165)=717418+(227-77)=5687/8-1/8=6/8323+146=469171×2=342366-(172+18)=176154-(450-399)=103565+165+576=1306996-216×4=132206-38×5=16317-(365-295)=247152×5=760747×2=1494838+(383-125)=1096962-533=429420-379+414=455382×2=764737×(175-170)=3685496-(172+315)=9410-41=369250-97=153370-(265+39)=66194×(45-42)=582601-107×5=66818-(521+280)=17363-(127+70)=1664/7-1/7=3/7302-100=202351-154=197404+(584-485)=503250×(620-614)=1500150-107=43273+185-182=27629×7=203114+81-49=146230×2=460910+168+511=158945×9-292=113136×(238-234)=544593-455+716=854149+207=356352+92×5=81284-12×2=60264+234=498489×7=3423304+32×3=400130×6-433=347188+219+136=543960-165-464=331580+93+78=751287+(743-306)=724454-11×4=410410+(316-278)=448111+(430-406)=13526+484+43=553759+(549-212)=1096240+80=3206/10+3/10=9/1079-35=44303-(89+140)=74264-28+216=452449×4=1796409-337+112=184468-355-59=54126×(89-83)=756990-309=68171×(449-442)=49798+301=39979+(992-141)=930128×(82-75)=896248-44-64=140206+112×2=430568-95+663=1136409-(220+123)=66638+84+59=781197+604+193=994637-80×2=477701×4-237=2567218×4-234=638795+(871-364)=1302138+275=413584+128×3=968803-686+114=231901×9-660=7449333+(389-221)=501463-114-136=213858×(473-465)=6864685-(269+203)=213183-(207-130)=106308-(44+145)=119652+996-486=1162105+849+816=1770386-(101+137)=148458-(181+263)=14105×7-477=258259-39×4=103460-52=408636-454=182979-(646-285)=618246×2+313=805121×7+367=1214322×3+450=1416499-(110+64)=325963-295=668148×5=740145-74+786=857820+962=1782456×5-198=2082348-283+365=430544+634-987=191478×7=3346565×(275-272)=1695200+903+315=1418604+(919-708)=815490+(471-227)=734287+(341-73)=555489-62-273=154939-(382+521)=36184+215×3=829987+647+362=199680×6+146=626301-46-17=238118×5=590717-(64+335)=318110×9-508=48270×7-392=981/7+4/7=5/7964+430-973=421198+95-68=225307-193+379=493122×7=85448+38+442=528574-72+101=603108-17+431=522213+76=289479-57×3=308376-33×5=211479-51-388=40268-80-135=53113-(12+56)=45168+154=322989-156×4=365497-(353+46)=98406-221=185125+89-120=9458×3=174209+33-236=699+470-488=81342-(222+70)=50611-110=501423-233=190360+83=443646-278+488=856604+(755-261)=1098106×3=318378-(633-631)=376222+718+709=1649420-(309+69)=42254+(453-359)=348468-155×2=158383-167+127=343103+203+670=976480×2=960154×3=462244+262+481=987214×(262-258)=856335×4-88=1252673×4=2692950+(829-820)=959184+559+250=993177-141+347=38372+169=241157+777-846=88350-(169+176)=5326×3-177=801286×3+627=1485423-407+351=367284+73=357919-221-664=34439+590-275=754798-(474-310)=634748+47+17=812121×(474-471)=363109+317-388=38655-258=397243+132-198=1777/9+2/9=1658×3-881=1093244+(290-128)=406859-114+86=831377+186+124=687308+42×7=602265×2=530565+717-586=696329+75-322=8288×5+445=885956-(154+472)=330847-(696+125)=26470-11×5=415902×(889-881)=7216468+71-447=92400-(620-220)=0722-178=544639+470=1109235×2+251=721924-498+304=730735-(400-248)=583135+373+197=70567×9-154=449999×(266-258)=7992931+850=1781272-(79+157)=36416-197=219176-(917-817)=76988×4=3952158×2+465=781332-97=235150×2+499=799338-(193-180)=325979-309+529=1199389-(91+56)=24278+767+11=856175+74×9=841148+306+88=542711×(489-483)=426625+133×4=557921-10=911166×5-664=166163×4+462=1114625-403=222143-58=85754-160-510=84415+269=684500-155×2=19036+(337-174)=199849+(982-212)=1619166×6+413=1409465-221-159=85764-86×7=162487-378=109744-142=602452-276+198=37425×8+179=379473-253=220502-53×6=184673-105×6=43103+992-744=351262+486+53=801857-702=155223-120=10324+(743-498)=269967-597+346=716486-464=22744-(363+268)=113680-89×3=413103-(445-426)=84665-293=372293+562-293=5621/6+2/6=3/657×2+487=601408×2=81685×(221-214)=595630-24-134=472744-(76+265)=403214+258-339=13378+238×4=1030256+(443-376)=323473×2+47=993212+(406-50)=568270+(360-52)=578292-68-91=133167+202-30=33943×(414-411)=129221-13×8=117823×3=2469608+799+27=1434811×(627-621)=4866752+324=1076240+280=520920-(388+247)=285144+337-136=345181+254=435267-(402-198)=63584+868+447=1899657-(555-279)=381216-205=11271×8-790=1378410+83+345=838144×4+821=1397859-(594-26)=291805-676+648=777601-(274+296)=31882-785=9735×(377-371)=210116×7-295=51786×6=516277+170-133=314138×(310-305)=690167×(55-50)=835481-229×2=23872-(401+217)=254190+87=277370-145+60=2855/8-2/8=3/8434-(822-553)=165151+736+641=1528485+503=988466-15×4=406285-(484-313)=114766×7=5362551+890+314=1755797-323=474456-(299+90)=67961+381-628=714305×2-567=43211×(445-442)=633329+(484-285)=528877+377+809=206330×(332-323)=270546+(981-550)=977119×5+457=1052322×5-383=1227126+68×6=53482×(266-259)=5741/10+5/10=6/10350+(405-211)=544721-437=284269-12=257867+(355-189)=1033485+207=692167+63×5=482607-75×2=457378+361=739346-264+312=394375×2+95=84582+258=34039-26=13170×3+151=661259+(146-64)=341502+354+144=1000951-287×3=90443-420+93=116243-156+266=353202+325+48=575323+(964-316)=971370×4-968=512245-72×3=2921+81+414=516942-(999-793)=73696×7+184=85667-(189-157)=35592+444-245=791320+16×2=352417+173+709=1299143×3-308=121104×6+473=1097675-17-103=555994-801=193327-135×2=57239+216=455168+689=85766×3=198785-346+823=1262237-73=164774+696+366=1836426+65×6=816479-128-340=11248×2+199=695449-22×3=383942+(967-353)=1556168×5=840835+122×3=1201209×4=836640×6-783=305779+368=447995-(735-586)=84699+583+121=803762-(306+444)=12182+117×6=884131×(188-182)=786114+593+74=781496-148×3=52751×3-283=1970145+(167-65)=247343+301+175=81948+60×4=288151×(788-785)=453426×(481-475)=2556245×4=980256-24-109=123296-48-149=99670-121+354=903336+474+136=946360×9-132=310817×(255-246