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278-164+101=126×5-29=11+69×2=777-(956-679)=104×(321-312)=48+100=712×9-867=425-32-116=377-34×2=472+(255-237)=111+384=164+125=494-(403-95)=436-14×8=345-18×4=462-(426-269)=173-19×5=4/7-3/7=212-(369-289)=256+63+233=894-66×6=60×(200-191)=936+807-780=107+69+693=415-(169+215)=179+234-325=952-115-124=340×6=881-612-34=373-178+89=221+208×3=90+196=366+125-205=659-(509+48)=426-221=202×3=423-(889-794)=249-22-205=659-48×4=121+252+598=591+(871-755)=69+223-288=242-40×3=933+(682-132)=278-93=313×5=298+79×4=869×4-828=117×6-285=592-129-199=609×(236-230)=215-142=374+(433-117)=322+51+574=85×8=94+309=181+510=313-(424-294)=942-(169+377)=189-(24+164)=574-108×2=31-(346-330)=112+919-932=899+301-869=391-20×5=91+662+909=377+946-193=943-75×4=964-423×2=675+279×3=144-(375-247)=66+52×8=68×(301-296)=883-766-43=483+(313-306)=233+188-309=389-65-198=494-190=452-(780-386)=984+248+706=927-(648-48)=199×(460-457)=950-387-69=100×5-396=449×8-965=485-392-50=39×6-201=247×4+766=465+(170-119)=135×3+199=820-459-144=942-71×9=392+(964-47)=785×4=524-(604-516)=957-(761-77)=921-200+409=300-66=41+237-122=152×(362-356)=743-(274+440)=123+213-170=111×5-407=88+130-172=314-22×4=251-(436-404)=187+335+862=838-361-428=262-198+121=606-(203+104)=845×8-473=424+(332-104)=551×5-683=914-(25+29)=206×(943-934)=983+402=28+307×3=147×6-645=102×6=663×2=310-183-34=667-202×3=162×4=52+204+137=238-91=458-(592-179)=771+846-540=106×2=858+581-217=266×(374-371)=388-305=206×2+87=292-41×2=725-632+162=52+82=4/7-1/7=325-(217+27)=235×3-312=19×(77-70)=557-383-81=71+148-54=921-(261+512)=112×3-70=559+826+305=189+265×3=416-19=2/6-1/6=184-(362-339)=773-466=287-207-22=4/8-2/8=232-(128+30)=668-255+138=164+347=222×2=179+256=908×6-836=601-(626-530)=105×6-503=859+(647-85)=133×2+129=805-93×7=459-110=387×(242-233)=756-(594-279)=2/5-1/5=296×5=248-12=555-116×2=41×3=82×6+75=296+178-183=496×6=884+(893-92)=86+356=852-213=48+479+349=448-191-169=500-(212-132)=836×(878-873)=104×5-87=405-140×2=67-(171-148)=784-87×6=757+356+259=367-187+206=894-132=374×2=423-11+49=688-(107+568)=122+34×3=300-207=251+(478-443)=337+71=689-(68+211)=361×9-62=17×(231-223)=352-232=425+143×4=307×(28-25)=385+(281-197)=537+637=790-(305-14)=403-(39+56)=141+118-173=77+700+795=313×2-78=971-(28+110)=92×(424-419)=615-(987-840)=124×(457-452)=700+(397-91)=379-360+464=61×7+173=879+983-166=233+190×3=566-59-426=141×(41-36)=23×(466-458)=376-(274+99)=94×9=540-48=623-286-134=253-(123+11)=466-(618-595)=245-40+21=813-(209+46)=180-(236-141)=704+99×3=143×(942-936)=220+150-191=58×2=501×2=25×3+193=475-71-93=43×6=486-(136+288)=312-(664-502)=192+(955-571)=713-(346+271)=727-(400+90)=418-90-190=186×9-522=780+372+336=70+164+748=114×3+16=158×4-463=432-95×2=442-(25+275)=441-254+186=903-(880-338)=264×(994-991)=355-287=581-(669-450)=103×9-847=21+308-148=24×6=302-(121+39)=1/8+4/8=578-413-88=297+(504-68)=715+(294-110)=758-718=196×3-533=111-16×6=833-718+641=10×(51-47)=456-32-346=391-103-132=373×6=999-984+378=584-273+449=780-(296+140)=774-696+417=584+598+506=236+145=224-153=380+(593-573)=90×(238-230)=468+313-171=297-(66+12)=446-323+168=210×(14-10)=81×2+407=224×(595-592)=471-47=192×3-515=77×(489-484)=309-36×2=896-388-188=216+666+62=135+168-176=2/7+5/7=68×7=922-543-112=702×(676-673)=710+486=833+691=927-576=278+80×4=336-(249+43)=931×(83-75)=827-(455+142)=195×2=185+25×9=484-29×8=402-(144+29)=794-(908-283)=651+986=305+(324-273)=467-(138+166)=205-27-34=758-437+211=68-27+116=405-(270+114)=78×4-58=137+(753-494)=149-106+75=551-73+470=67×9=925-118-597=202-(579-449)=415-23×6=371×8-282=899-231-444=483+276+13=216+755+831=191×6=418-270=257×(392-388)=166×5+18=149×(293-289)=68+230+254=81+(172-18)=298-27×7=134×5-147=480-(387-386)=274-189=19+98=477+23-42=789-(139+458)=375+126+46=82+374-155=315-58=72×7-38=14×5=892×5=948-(435+493)=878×(743-736)=4/6-1/6=433-(405-304)=247+245=29+(262-191)=85+(466-97)=808-687=119×(278-273)=939×(188-182)=755-(326+237)=494×(890-885)=194×(439-435)=154×3+123=600+330+666=463+238×2=470-241+88=3/5-2/5=823+103-17=180×2+965=150+427=858×8-46=560+273×2=242+99-77=264×3=314-312+452=33×(381-375)=365+686=298+165+216=471-(301+169)=11×6+68=411+44×9=577-41×5=727+164-619=477×2-189=863+(843-666)=844-80×6=676×7=261+995-219=286-203+69=472-(432-22)=836-789=694+(799-518)=475-43×4=580-(162+260)=165+(993-641)=769-(514-439)=242-46-55=988-607+686=550×(124-121)=731+531-414=332×3=350-28×8=160×5-441=721-677+893=76+(239-207)=791+(507-131)=19+452-381=220+59×5=199×5-187=258-35×2=44×9+132=118×6-79=667×7=117×2+222=861+555-218=35×(124-116)=459-(44+183)=691×(841-832)=760+417×2=741-(306-10)=423-(244+95)=429-(23+33)=284-(53+193)=444+(227-113)=72+697+123=79×9-584=727-(104+134)=303+(181-165)=745+(743-554)=541-(376-50)=10+55=279+54=3/5-1/5=67×(409-406)=278×7=136×8-217=5/6-1/6=457-(15+27)=447+(357-351)=441-75-59=703-197×3=334+132×2=215-131+676=84+246=944-(92+270)=966-888+129=95+128=320-57+113=728×7-10=462-128-56=122-118+102=267+207-266=261+(229-118)=322-111=540+(995-477)=484-412+418=477+70×6=86×6+352=197-28×7=214-82=160×3-376=492-481+359=472-(103+73)=105×5+346=34-12=969×(385-382)=544+349=291-215=437-387=201×2=971-(911-462)=890+517-234=19+425+67=954-(451+334)=164×2=854+(235-67)=345+562=131+289=267+731=535-(19+168)=861+51+71=427-90-83=320-(202-90)=722-(81+562)=259-(341-300)=30×6+964=148×(370-364)=891-206=977+775+339=955-420+630=100+890+645=958-600-165=276-(352-248)=549+78-268=196-53=847-76-201=200×4+80=211+628+928=37×3=730+38+110=873×6-596=374×(715-706)=5/10-3/10=773×(426-422)=67+139-67=524-313-24=75-23+802=2/7+3/7=205-(192+12)=385-(633-562)=127×4=398-29+722=104+254=63+507-83=95+100+796=689-(888-603)=315+71+212=908-105×3=61+948-119=716×2-881=818×7-287=868-326-70=204+256=49+126=318+160=253×8=125+294=455+384=287+99-253=419-81-17=474×(735-729)=503×9=357×(915-910)=18×3+396=332-28×4=369-(78+216)=946×(288-284)=1/4+3/4=438×5=284+(88-26)=593+387+35=393-126=294+189-164=253-137=296+156+400=496+(425-405)=403+723+414=560+151×4=279-26×8=511+(918-436)=420-106×2=672-87×5=741-468=293-237=162+196×3=679×7-221=274×3=948-210-435=743-61×9=422-46+883=42+297+230=176+230=59×2+489=457-(480-463)=75-28×2=897-175+95=918×(517-511)=90-73=310-55-247=423-255=65+108-31=938-98×8=669-(206+101)=162+740+800=406+877=186-101-60=432-31×2=45-26=710-535-15=714-79-264=506+834=116×8=440-87×5=126×6-76=81+32×4=920+981-155=346×2=243+413=380-325+439=806-170=796-423-52=124+334=391-267+221=375-52-217=834-93+979=454+(329-186)=747-(269-245)=978-(193+187)=948-(398-140)=28+487+133=909+231-308=855-574-122=739-709=227-102+206=509-201=212×(301-298)=133-69=740×(590-586)=236-(365-287)=721×5=3/4-1/4=433-10+773=894-206-138=443-365+237=150+203-85=514×8-31=238-57×4=310+(458-161)=870+32+75=562+887-145=177-170+255=189+(116-109)=509-440=334×6-469=220-69×2=838-730-85=629+92×7=40×7=960×9=59×8=733×3=41×(846-842)=323-(424-395)=386-52×2=66+91=474-241-75=636-(22+464)=207×4-229=261-(79+94)=243-74+67=271+152+218=910×(811-807)=666+243×3=367×9=303+638-23=123+85=905-322=564-(744-672)=300×2-501=297-(62+32)=111×3-262=301+64×2=256+156-21=462-110-132=28×2=171+123×3=331+(428-331)=274+(585-325)=532+140=128×3+166=287-(171+99)=23+(312-56)=717+917+992=232-145=72×6-80=6/8+2/8=342-139×2=86×(173-168)=630×2-860=143×3=1/4+2/4=811×7=328-(126-101)=417+792-848=357+104-213=677×4-109=163+46×7=137-(478-400)=586+664-875=834+153=214-(226-224)=139+273=367-252+38=421-211-50=143+543-207=663×(518-512)=1/7+3/7=961-681+957=910-99×7=179+614+133=849+48+914=19+74=424-(123+267)=367-(763-744)=247-189+302=702+932+836=334-317+293=487-212×2=844+12+627=413×(745-742)=189×5+647=316×2+536=272+39-148=247×3=299×(637-631)=647-212+998=84×9+264=294-(21+72)=649-28=565+835-415=64×9=81+226+543=387-(467-139)=293-61×4=961+(434-30)=441-350-61=345+(259-71)=895-(333+135)=174+(680-668)=981-903=190+261=56×4+218=710-20+941=414+(580-366)=453-(164+263)=765-(739-539)=154-124=193+197-280=73+119-177=755-674+262=501×7-667=820-64×4=440-(284-150)=343-19×4=88+517+212=15×5+275=472-41×5=802-114×5=602+236+272=686+154=576+(951-498)=2/4-1/4=471+21+946=154+901+261=206×(451-448)=177+(687-652)=470-(411+28)=942+324=408×5-706=222×(122-118)=822×3-935=815+924-441=3/7+2/7=481-80-282=675+161=154+542=1/7+5/7=882-45=157×3=93+24=448-218-221=238×3=11+345+317=526-27×2=402-(468-189)=260-172=409-176-184=392-288=211-16×8=499+(393-232)=213+198-317=312×(437-434)=215×4-682=552+866-819=32×(378-374)=325+(267-155)=709+896-298=464+511+187=315-43=384-326+308=997-37×6=76+313-158=77+(477-188)=840-316-455=43×9=149×4=19×3-27=884+965-256=378+(969-882)=781×(654-646)=270+(778-38)=3/6+2/6=406-65×4=296-213+654=239+403=291-(319-286)=288-186=3/8+2/8=180+383+292=616-(392-103)=516-312-13=461+176+56=249×2=825+202×3=67+353=333-(248-69)=850+273+798=363-(117+207)=860-565=439-150-137=48×7=698+589-522=157+239=450-(345-67)=953-949+23=100+(265-34)=1/5+3/5=65+492+356=55×(486-481)=616+248=888-486=621×5=374-125-232=273+(268-236)=742-614+868=617-202+364=241×2-34=667-147=335-128-24=370+(407-204)=512×8-287=314-(135-95)=184×4-304=280+115+268=326+(239-75)=804-124×3=499-160-49=253+177=270+515=305+(456-434)=119×3+571=179+150=579+362×2=158-133+376=435-433+430=866-260-251=757+291+948=788-749=192+(398-384)=453-(796-585)=77×7=457-83×4=896×2-880=768×2-550=81-28+791=258+489+665=182-(79+75)=198+182=80×8+451=495-462=713-163+106=161+160+536=337+437+59=991-148×2=357×2-166=82×5+578=參考答案278-164+101=215126×5-29=60111+69×2=149777-(956-679)=500104×(321-312)=93648+100=148712×9-867=5541425-32-116=277377-34×2=309472+(255-237)=490111+384=495164+125=289494-(403-95)=186436-14×8=324345-18×4=273462-(426-269)=305173-19×5=784/7-3/7=1/7212-(369-289)=132256+63+233=552894-66×6=49860×(200-191)=540936+807-780=963107+69+693=869415-(169+215)=31179+234-325=88952-115-124=713340×6=2040881-612-34=235373-178+89=284221+208×3=84590+196=286366+125-205=286659-(509+48)=102426-221=205202×3=606423-(889-794)=328249-22-205=22659-48×4=467121+252+598=971591+(871-755)=70769+223-288=4242-40×3=122933+(682-132)=1483278-93=185313×5=1565298+79×4=614869×4-828=2648117×6-285=417592-129-199=264609×(236-230)=3654215-142=73374+(433-117)=690322+51+574=94785×8=68094+309=403181+510=691313-(424-294)=183942-(169+377)=396189-(24+164)=1574-108×2=35831-(346-330)=15112+919-932=99899+301-869=331391-20×5=29191+662+909=1662377+946-193=1130943-75×4=643964-423×2=118675+279×3=1512144-(375-247)=1666+52×8=48268×(301-296)=340883-766-43=74483+(313-306)=490233+188-309=112389-65-198=126494-190=304452-(780-386)=58984+248+706=1938927-(648-48)=327199×(460-457)=597950-387-69=494100×5-396=104449×8-965=2627485-392-50=4339×6-201=33247×4+766=1754465+(170-119)=516135×3+199=604820-459-144=217942-71×9=303392+(964-47)=1309785×4=3140524-(604-516)=436957-(761-77)=273921-200+409=1130300-66=23441+237-122=156152×(362-356)=912743-(274+440)=29123+213-170=166111×5-407=14888+130-172=46314-22×4=226251-(436-404)=219187+335+862=1384838-361-428=49262-198+121=185606-(203+104)=299845×8-473=6287424+(332-104)=652551×5-683=2072914-(25+29)=860206×(943-934)=1854983+402=138528+307×3=949147×6-645=237102×6=612663×2=1326310-183-34=93667-202×3=61162×4=64852+204+137=393238-91=147458-(592-179)=45771+846-540=1077106×2=212858+581-217=1222266×(374-371)=798388-305=83206×2+87=499292-41×2=210725-632+162=25552+82=1344/7-1/7=3/7325-(217+27)=81235×3-312=39319×(77-70)=133557-383-81=9371+148-54=165921-(261+512)=148112×3-70=266559+826+305=1690189+265×3=984416-19=3972/6-1/6=1/6184-(362-339)=161773-466=307287-207-22=584/8-2/8=2/8232-(128+30)=74668-255+138=551164+347=511222×2=444179+256=435908×6-836=4612601-(626-530)=505105×6-503=127859+(647-85)=1421133×2+129=395805-93×7=154459-110=349387×(242-233)=3483756-(594-279)=4412/5-1/5=1/5296×5=1480248-12=236555-116×2=32341×3=12382×6+75=567296+178-183=291496×6=2976884+(893-92)=168586+356=442852-213=63948+479+349=876448-191-169=88500-(212-132)=420836×(878-873)=4180104×5-87=433405-140×2=12567-(171-148)=44784-87×6=262757+356+259=1372367-187+206=386894-132=762374×2=748423-11+49=461688-(107+568)=13122+34×3=224300-207=93251+(478-443)=286337+71=408689-(68+211)=410361×9-62=318717×(231-223)=136352-232=120425+143×4=997307×(28-25)=921385+(281-197)=469537+637=1174790-(305-14)=499403-(39+56)=308141+118-173=8677+700+795=1572313×2-78=548971-(28+110)=83392×(424-419)=460615-(987-840)=468124×(457-452)=620700+(397-91)=1006379-360+464=48361×7+173=600879+983-166=1696233+190×3=803566-59-426=81141×(41-36)=70523×(466-458)=184376-(274+99)=394×9=846540-48=492623-286-134=203253-(123+11)=119466-(618-595)=443245-40+21=226813-(209+46)=558180-(236-141)=85704+99×3=1001143×(942-936)=858220+150-191=17958×2=116501×2=100225×3+193=268475-71-93=31143×6=258486-(136+288)=62312-(664-502)=150192+(955-571)=576713-(346+271)=96727-(400+90)=237418-90-190=138186×9-522=1152780+372+336=148870+164+748=982114×3+16=358158×4-463=169432-95×2=242442-(25+275)=142441-254+186=373903-(880-338)=361264×(994-991)=792355-287=68581-(669-450)=362103×9-847=8021+308-148=18124×6=144302-(121+39)=1421/8+4/8=5/8578-413-88=77297+(504-68)=733715+(294-110)=899758-718=40196×3-533=55111-16×6=15833-718+641=75610×(51-47)=40456-32-346=78391-103-132=156373×6=2238999-984+378=393584-273+449=760780-(296+140)=344774-696+417=495584+598+506=1688236+145=381224-153=71380+(593-573)=40090×(238-230)=720468+313-171=610297-(66+12)=219446-323+168=291210×(14-10)=84081×2+407=569224×(595-592)=672471-47=424192×3-515=6177×(489-484)=385309-36×2=237896-388-188=320216+666+62=944135+168-176=1272/7+5/7=168×7=476922-543-112=267702×(676-673)=2106710+486=1196833+691=1524927-576=351278+80×4=598336-(249+43)=44931×(83-75)=7448827-(455+142)=230195×2=390185+25×9=410484-29×8=252402-(144+29)=229794-(908-283)=169651+986=1637305+(324-273)=356467-(138+166)=163205-27-34=144758-437+211=53268-27+116=157405-(270+114)=2178×4-58=254137+(753-494)=396149-106+75=118551-73+470=94867×9=603925-118-597=210202-(579-449)=72415-23×6=277371×8-282=2686899-231-444=224483+276+13=772216+755+831=1802191×6=1146418-270=148257×(392-388)=1028166×5+18=848149×(293-289)=59668+230+254=55281+(172-18)=235298-27×7=109134×5-147=523480-(387-386)=479274-189=8519+98=117477+23-42=458789-(139+458)=192375+126+46=54782+374-155=301315-58=25772×7-38=46614×5=70892×5=4460948-(435+493)=20878×(743-736)=61464/6-1/6=3/6433-(405-304)=332247+245=49229+(262-191)=10085+(466-97)=454808-687=121119×(278-273)=595939×(188-182)=5634755-(326+237)=192494×(890-885)=2470194×(439-435)=776154×3+123=585600+330+666=1596463+238×2=939470-241+88=3173/5-2/5=1/5823+103-17=909180×2+965=1325150+427=577858×8-46=6818560+273×2=1106242+99-77=264264×3=792314-312+452=45433×(381-375)=198365+686=1051298+165+216=679471-(301+169)=111×6+68=134411+44×9=807577-41×5=372727+164-619=272477×2-189=765863+(843-666)=1040844-80×6=364676×7=4732261+995-219=1037286-203+69=152472-(432-22)=62836-789=47694+(799-518)=975475-43×4=303580-(162+260)=158165+(993-641)=517769-(514-439)=694242-46-55=141988-607+686=1067550×(124-121)=1650731+531-414=848332×3=996350-28×8=126160×5-441=359721-677+893=93776+(239-207)=108791+(507-131)=116719+452-381=90220+59×5=515199×5-187=808258-35×2=18844×9+132=528118×6-79=629667×7=4669117×2+222=456861+555-218=119835×(124-116)=280459-(44+183)=232691×(841-832)=6219760+417×2=1594741-(306-10)=445423-(244+95)=84429-(23+33)=373284-(53+193)=38444+(227-113)=55872+697+123=89279×9-584=127727-(104+134)=489303+(181-165)=319745+(743-554)=934541-(376-50)=21510+55=65279+54=3333/5-1/5=2/567×(409-406)=201278×7=1946136×8-217=8715/6-1/6=4/6457-(15+27)=415447+(357-351)=453441-75-59=307703-197×3=112334+132×2=598215-131+676=76084+246=330944-(92+270)=582966-888+129=20795+128=223320-57+113=376728×7-10=5086462-128-56=278122-118+102=106267+207-266=208261+(229-118)=372322-111=211540+(995-477)=1058484-412+418=490477+70×6=89786×6+352=868197-28×7=1214-82=132160×3-376=104492-481+359=370472-(103+73)=296105×5+346=87134-12=22969×(385-382)=2907544+349=893291-215=76437-387=50201×2=402971-(911-462)=522890+517-234=117319+425+67=511954-(451+334)=169164×2=328854+(235-67)=1022345+562=907131+289=420267+731=998535-(19+168)=348861+51+71=983427-90-83=254320-(202-90)=208722-(81+562)=79259-(341-300)=21830×6+964=1144148×(370-364)=888891-206=685977+775+339=2091955-420+630=1165100+890+645=1635958-600-165=193276-(352-248)=172549+78-268=359196-53=143847-76-201=570200×4+80=880211+628+928=176737×3=111730+38+110=878873×6-596=4642374×(715-706)=33665/10-3/10=2/10773×(426-422)=309267+139-67=139524-313-24=18775-23+802=8542/7+3/7=5/7205-(192+12)=1385-(633-562)=314127×4=508398-29+722=1091104+254=35863+507-83=48795+100+796=991689-(888-603)=404315+71+212=598908-105×3=59361+948-119=890716×2-881=551818×7-287=5439868-326-70=472204+256=46049+126=175318+160=478253×8=2024125+294=419455+384=839287+99-253=133419-81-17=321474×(735-729)=2844503×9=4527357×(915-910)=178518×3+396=450332-28×4=220369-(78+216)=75946×(288-284)=37841/4+3/4=1438×5=2190284+(88-26)=346593+387+35=1015393-126=267294+189-164=319253-137=116296+156+400=852496+(425-405)=516403+723+414=1540560+151×4=1164279-26×8=71511+(918-436)=993420-106×2=208672-87×5=237741-468=273293-237=56162+196×3=750679×7-221=4532274×3=822948-210-435=303743-61×9=194422-46+883=125942+297+230=569176+230=40659×2+489=607457-(480-463)=44075-28×2=19897-175+95=817918×(517-511)=550890-73=17310-55-247=8423-255=16865+108-31=142938-98×8=154669-(206+101)=362162+740+800=1702406+877=1283186-101-60=25432-31×2=37045-26=19710-535-15=160714-79-264=371506+834=1340116×8=928440-87×5=5126×6-76=68081+32×4=209920+981-155=1746346×2=692243+413=656380-325+439=494806-170=636796-423-52=321124+334=458391-267+221=345375-52-217=106834-93+979=1720454+(329-186)=597747-(269-245)=723978-(193+187)=598948-(398-140)=69028+487+133=648909+231-308=832855-574-122=159739-709=30227-102+206=331509-201=308212×(301-298)=636133-69=64740×(590-586)=2960236-(365-287)=158721×5=36053/4-1/4=2/4433-10+773=1196894-206-138=550443-365+237=315150+203-85=268514×8-31=4081238-57×4=10310+(458-161)=607870+32+75=977562+887-145=1304177-170+255=262189+(116-109)=196509-440=69334×6-469=1535220-69×2=82838-730-85=23629+92×7=127340×7=280960×9=864059×8=472733×3=219941×(846-842)=164323-(424-395)=294386-52×2=28266+91=157474-241-75=158636-(22+464)=150207×4-229=599261-(79+94)=88243-74+67=236271+152+218=641910×(811-807)=3640666+243×3=1395367×9=3303303+638-23=918123+85=208905-322=583564-(744-672)=492300×2-501=99297-(62+32)=203111×3-262=71301+64×2=429256+156-21=391462-110-132=22028×2=56171+123×3=540331+(428-331)=428274+(585-325)=534532+140=672128×3+166=550287-(171+99)=1723+(312-56)=279717+917+992=2626232-145=8772×6-80=3526/8+2/8=1342-139×2=6486×(173-168)=430630×2-860=400143×3=4291/4+2/4=3/4811×7=5677328-(126-101)=303417+792-848=361357+104-213=248677×4-109=2599163+46×7=485137-(478-400)=59586+664-875=375834+153=987214-(226-224)=212139+273=412367-252+38=153421-211-50=160143+543-207=479663×(518-512)=39781/7+3/7=4/7961-681+957=1237910-99×7=217179+614+133=926849+48+914=181119+74=93424-(123+267)=34367-(763-744)=348247-189+302=360702+932+836=2470334-317+293=310487-212×2=63844+12+627=1483413×(745-742)=1239189×5+647=1592316×2+536=1168272+39-148=163247×3=741299×(637-631)=1794647-212+998=143384×9+264=1020294-(21+72)=201649-28=621565+835-415=98564×9=57681+226+543=850387-