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271-248+454=648-427=243+235=482-83×2=789-267=393-67-154=347-45+808=309×3-542=974-235×4=666+83×6=294+178-157=629-(414+67)=108+412=100×5-376=319+531=831-372=484-241-172=562+10-240=499-(466-280)=132×6=51×9+468=348+888+229=536×7-670=152+178=702-55×8=367+139×3=891-21×4=158-26×2=178×8-588=800-51×9=699-(331-49)=60+144×3=398-118=926-11×8=424×2=394+840+449=776-41=891-(221-46)=77+260×3=453-(35+106)=18×(155-150)=232+259-423=142×4+840=52+(626-473)=474-155=401+(418-267)=202+620-423=669-318+623=124×2=96-21×2=305-(908-706)=491-(380-41)=173-(152-99)=289-25=252+498+225=107×5=284-27×6=146×6+20=1/5+2/5=24×3=395-154=873-559+278=537+180=113+(484-444)=430-86-284=857-371=341-142×2=570-208-149=330+42+178=742+183+873=737-(967-661)=814-(456+194)=116×4+459=422+19×7=62×(283-274)=51+590+172=2/9-1/9=147+306+50=255-62+249=671-111×6=528+448=200+(452-206)=765-652+513=495-(245+30)=170-(12+15)=484×2=165+(473-230)=196-106=484-204-206=223×2=355×2+150=265-229=383-340+358=700+138-417=871+(240-214)=219+48+10=404+(695-196)=821-(187+538)=737-351+190=635×(845-842)=203×2-129=249+(636-290)=63+249=202+170+432=318+177+781=202×(711-703)=953+(410-387)=304-206+398=3/5-1/5=131+184-60=193+92-74=996+(800-765)=128×5-389=285×2+85=964-61+330=287×2-543=246-179=227×4=383+80-443=8/10+2/10=484-(205+54)=353-278+14=324-32×2=281+326+23=2/4-1/4=369-(124+233)=153+20+383=426×7-973=316+(486-254)=403-31×7=215-(63+65)=151-(469-433)=721-(140+160)=79+410=798×9=442-396+186=4/7+2/7=153+182=303-(208+64)=12×(196-188)=440-283-28=287+402=249+34+373=261-52×3=272+248=18+752-192=343-300=201-(354-221)=275+167=115×3-301=422×2-351=362-123-180=225+270-169=767-701+942=176×5-763=348-(43+201)=305-36×7=824-282=690+(971-638)=292-(164+120)=99+539+362=719-246-349=47×4+189=789-277+659=739+(573-230)=139+649=205+162=326-(35+263)=477+463-927=436+(443-336)=29×5+442=440×2-156=868-391-294=19+444+127=644+428-517=355-353+266=161×5-627=361-28=191×(213-209)=371-17+125=258+893-699=309×3+260=106×7-198=929-231=561-(203+59)=760-131×5=758×3=157-(87-55)=102×9-100=2/10+4/10=92+371-84=154+49×6=891-(516+242)=192×6-506=651×5-629=437+211-183=115×5=130×(229-224)=477×2-472=420-340+199=286+180-66=195+826+10=702+664+86=462-304+279=414-(355-309)=4/7-1/7=116×(259-252)=207-86=251-171+293=799+175+405=729-177=287×2-570=564+418=494-94-255=40×7=816-519+619=927-527=136×(169-162)=309-194-15=478-(155-145)=396-(176+110)=597-46×3=326-34=161+(358-176)=748+77×9=653-99-71=649+388×2=784-(165+98)=684+142+66=506-411+78=440-385=156+294-288=147×(41-38)=89-38-36=370×3=607×9=400+679=400-197+168=338+(425-47)=76+229+258=162+554+284=180+313×2=611+(670-592)=247×4=372+388+245=427-83×4=135+154-210=772-187-325=476+867+416=618+(836-476)=497+267=78×(827-820)=94+536+113=491-312=351×3-264=980×(262-254)=690+243=271+159-85=317-37=64+880+50=11+163×5=965-52-735=436-360+165=40+382×2=97+49×5=410×2=233-206=396-222+54=911-98×9=462-66×2=231+161=797×5=396-236+236=62×9=169×(992-985)=562-(791-655)=145×2=198-(468-343)=425+377×2=230-82+193=607-(129+72)=443×7-881=354×(957-948)=66+256+74=446-230=27-(24-14)=896-206+184=397-68=830-278=257-27×6=41×(467-463)=747+32×3=331-152+197=285+177-318=792-(154+125)=453-125+908=872×7-147=928-369×2=109+387=31+(495-488)=222+304+417=104+467=166+313-184=299-70+124=734+864+341=423-(161+30)=204+11+91=305×4-706=353-247+390=475×5=238-39-30=96+65=336×(919-915)=41+75=347+78=518-25×3=705-116×6=258-(359-255)=189-(156-51)=657-92=808×7-570=447-(497-341)=207+83-31=101+625+243=137×5+292=105+(443-434)=664+636=59+305-318=362-104×3=992+225-904=342+143-323=497-(591-310)=342-168-134=195×7=350-43-86=65+(499-439)=77+114=981-13-624=566+(842-623)=990-(564-245)=348×(322-319)=71-(202-152)=87+639-102=888-713+309=517×(286-277)=479-(90+156)=18×9=260+982-319=889-504-301=959-(630+114)=490-115×3=951+653=126×2-221=104×(403-399)=45+434+262=553×5=114×(424-419)=131-129+13=349-(609-501)=331+165+180=176-104+215=182×(472-468)=456-(720-382)=300+620-85=40+24+402=40×5=461+432-742=147+269=308-24×8=479-38×7=98+(186-170)=555-(226+149)=859+(490-13)=462-221-95=262+365-162=455-55×3=92×9-86=340+156-464=45+147+194=1/8+2/8=945+276-334=988×3=482-(14+374)=987-251-522=311+872=956-18×5=26+81×2=414+195×2=591×9-373=389-(201+16)=914+756=280-72-17=825-(238+170)=27×(236-227)=322×(585-582)=45×5+391=212-71-98=285-(390-112)=424+(882-337)=260+102=482+68×5=383-346+80=496-57-128=51+193-99=5/9+2/9=461×2=48×6+296=156+(150-72)=101×6-22=59+(430-295)=371-188+233=1/4+2/4=274×9=424-(381+12)=306×2+635=182+110=828-706=138+(358-269)=235×(260-257)=565-(483+54)=190+174×3=612+200-435=167×2+208=252+131-97=177+567+813=68+202=832+101×7=162-(113-63)=705-239=294+912-828=150×6=545-(347-152)=405-(478-192)=270×2=940-839+70=268×3=138×(600-592)=297+164=876-239-324=463-82×5=915-502-304=877-449+956=196×3-115=786+152-244=459-46×8=103-(192-118)=230×4=760×3-580=334+(418-401)=956×6=44×8+136=23×5-93=414-(92+169)=493×2-702=4/9-3/9=438×2-544=63×(99-93)=298×2-122=502+226=360-(917-750)=978-908=298+129-197=658-(208+136)=416-368=17+450-359=824-361×2=947-320-378=468-25-429=455+(250-237)=483-234×2=478-40-382=198+401=283-46=258+(233-54)=356×2=350-127×2=47×(84-77)=953+304=301+852+213=601-220-54=419-(363+18)=299-(189-138)=180×4=106+(366-85)=280+197+478=941-(973-821)=462-321=373-119+194=573+518+266=798-581+414=4/7-2/7=64+374-383=261-(157+43)=340+118=614+(678-379)=930-820-86=632-247+599=912-111-341=70+402-264=53+(462-162)=664-(535+79)=538-(495+34)=349-292=179×(389-384)=226+347-448=70+216=427-(428-320)=933×2=734+584=436+(391-313)=118×(368-360)=27×6-15=464-(277-80)=121×(371-363)=128×(413-409)=321-108-145=376-21=661×7=519+41-379=141+79×7=280-26×4=661+(703-351)=490+(955-49)=562+468+839=938-(610+304)=878-61×4=712-583=821×(682-678)=422-256=234-176=277-(736-572)=394-372=62×2+435=341-57×4=378-100-246=71×2+153=181+(344-237)=99+(799-556)=204+(484-464)=53×5=425-26×2=820-111-630=500-360-129=3/10+2/10=146-(153-146)=148×4-466=717×9-349=520×6-16=456-(789-552)=682+844+531=710-328=776+(441-405)=453+574-402=231×4+54=406-(32+174)=646+683-971=309+221×3=375×2-15=299+267+220=421-50=476×3-948=80×5+72=191+767+860=829×(697-694)=348+901+12=420-420+443=67×(365-362)=707×(975-971)=80+156-175=59×(389-380)=43×(396-393)=26×9+252=729×5-947=489-75=113-39×2=578+772+623=998-347+259=94-86+268=371-(107+226)=457-(46+354)=182+(846-512)=151×7=947-(675-32)=319-309=336-(75+70)=52+46-60=145-(454-325)=928-210+954=392+962-886=733-(105+66)=812-562=1/6+2/6=378×2-320=976-963=83×5-11=102×9-525=43×(282-274)=282-42+137=93+279-230=979+802+739=323×2=190+177-44=291+57-256=786+613-952=167-55=49×3=172×(462-457)=962-(704-437)=215+94×6=824-307-320=823-498+633=20+(465-241)=684×(930-923)=744-309+28=208-(208-72)=699+617+162=2/6-1/6=959-440-158=483×(617-612)=137×2+229=35×(288-285)=743-16-241=269×(884-878)=421×9=620-59-483=217×3+108=37+946+94=221+299+664=244-216=631+(946-847)=688+156+127=126-(133-73)=1/6+5/6=380×2=245+(400-278)=307×6-309=320-(394-168)=366-351=290-205-17=538+180+13=92+(568-337)=425-127×3=305-(262-259)=245×(99-96)=16×(220-213)=294+150-87=493×(824-817)=274+(533-355)=640-103-128=306×4=667+15-89=530-(714-650)=210×2=589×(249-242)=323+211+32=461-70×6=464-(140+202)=260×3=854+793=991-123×3=339+383=680-(266-202)=283+206×3=2/3-1/3=426-(154+110)=577+72×4=560-(500-405)=66+(307-67)=452-203=411-18-317=581+349=679-253+853=195+92-246=307×(79-76)=387-48×5=134+211=383-141-204=273+65=80×6-217=112+(766-82)=475+(821-260)=341+649+543=58+(455-154)=839-632=15×3+816=380-(122+149)=736+359+539=925×(285-276)=400-48-123=65×9+316=273×2=205-173=873×9-509=2/7+4/7=470-(383+16)=220+55×4=952×(856-851)=963×5=715-(349+333)=476-(464-286)=64-27×2=674×7-264=294-(238+54)=357-244=513+106+261=72×9-379=78+205=919×5=180+(661-621)=80×8=322+134+367=447+488-237=98×7+29=5/8-1/8=351-253=3/8+4/8=649-(70+434)=251-(134+110)=397-48-158=922-120×6=453+26+407=712-132+54=194×3-398=365-94-28=130×(381-374)=998-352=622-(322-211)=434-375+559=928-681+183=760+243=9/10-1/10=296-111=229-26+229=105×(144-136)=547-174×2=324+51+315=95+373=870-(32+529)=596×7-949=844-264×3=400-(246-98)=435-(199+139)=394-82-104=359-274-19=82+87+234=238×3-497=339+(341-142)=233×3=93×2-91=452-111×4=440-(48+203)=861-428×2=143+302=365-200=394-253=465-123-82=259-(72+99)=612-(333+125)=533-32×3=974-(303+467)=747-461-65=428-244+217=739×3-239=246-60×2=437-90×3=760-83×3=59+430-152=837+572-609=924-14-728=195+296=441×9-678=521+217+53=761-(646-352)=97+60=709+(593-534)=724×6=424-267+230=954-318-40=120+(398-347)=282+(465-337)=144+197=545×4=125×5+50=161-(209-61)=271+37×2=201-105-83=584-(608-97)=592+196×4=118-(149-44)=245-(28+174)=900×(404-397)=150×3+487=102×7=847-737+787=455-16×7=132-24×4=53+210=392×2-154=205×2+289=141×2=169-54-64=667-221-210=193+84×3=139×(191-185)=436-43×4=640-122-366=92+163=723-101-308=870×5-477=490-148×3=905-(902-22)=72+127=957×3=141×(632-629)=288+(228-49)=30×8+220=873+201=408-97+178=454+10-30=679+(262-207)=601×(153-144)=131-13-10=742×9=78+139=156+52=6/9-2/9=176×(383-380)=861×(287-281)=190-73+151=649×5-408=276-(328-173)=431-98×3=193×(299-295)=357+(121-88)=282-(215-176)=246×4-311=22+452-46=35×7=292×3=373+188×3=201×(676-667)=315-(248+59)=264×2+215=46+679+477=467-(437-134)=27+306×2=402-177×2=478-(307-53)=793-(237+488)=475-(349+63)=359×2-412=73+79=3/8-2/8=801×2=259+(363-46)=316×6=416-(172-92)=775-(294-199)=878-529=957-(376+345)=398-283=180+272=739-592+571=80-28+222=參考答案271-248+454=477648-427=221243+235=478482-83×2=316789-267=522393-67-154=172347-45+808=1110309×3-542=385974-235×4=34666+83×6=1164294+178-157=315629-(414+67)=148108+412=520100×5-376=124319+531=850831-372=459484-241-172=71562+10-240=332499-(466-280)=313132×6=79251×9+468=927348+888+229=1465536×7-670=3082152+178=330702-55×8=262367+139×3=784891-21×4=807158-26×2=106178×8-588=836800-51×9=341699-(331-49)=41760+144×3=492398-118=280926-11×8=838424×2=848394+840+449=1683776-41=735891-(221-46)=71677+260×3=857453-(35+106)=31218×(155-150)=90232+259-423=68142×4+840=140852+(626-473)=205474-155=319401+(418-267)=552202+620-423=399669-318+623=974124×2=24896-21×2=54305-(908-706)=103491-(380-41)=152173-(152-99)=120289-25=264252+498+225=975107×5=535284-27×6=122146×6+20=8961/5+2/5=3/524×3=72395-154=241873-559+278=592537+180=717113+(484-444)=153430-86-284=60857-371=486341-142×2=57570-208-149=213330+42+178=550742+183+873=1798737-(967-661)=431814-(456+194)=164116×4+459=923422+19×7=55562×(283-274)=55851+590+172=8132/9-1/9=1/9147+306+50=503255-62+249=442671-111×6=5528+448=976200+(452-206)=446765-652+513=626495-(245+30)=220170-(12+15)=143484×2=968165+(473-230)=408196-106=90484-204-206=74223×2=446355×2+150=860265-229=36383-340+358=401700+138-417=421871+(240-214)=897219+48+10=277404+(695-196)=903821-(187+538)=96737-351+190=576635×(845-842)=1905203×2-129=277249+(636-290)=59563+249=312202+170+432=804318+177+781=1276202×(711-703)=1616953+(410-387)=976304-206+398=4963/5-1/5=2/5131+184-60=255193+92-74=211996+(800-765)=1031128×5-389=251285×2+85=655964-61+330=1233287×2-543=31246-179=67227×4=908383+80-443=208/10+2/10=1484-(205+54)=225353-278+14=89324-32×2=260281+326+23=6302/4-1/4=1/4369-(124+233)=12153+20+383=556426×7-973=2009316+(486-254)=548403-31×7=186215-(63+65)=87151-(469-433)=115721-(140+160)=42179+410=489798×9=7182442-396+186=2324/7+2/7=6/7153+182=335303-(208+64)=3112×(196-188)=96440-283-28=129287+402=689249+34+373=656261-52×3=105272+248=52018+752-192=578343-300=43201-(354-221)=68275+167=442115×3-301=44422×2-351=493362-123-180=59225+270-169=326767-701+942=1008176×5-763=117348-(43+201)=104305-36×7=53824-282=542690+(971-638)=1023292-(164+120)=899+539+362=1000719-246-349=12447×4+189=377789-277+659=1171739+(573-230)=1082139+649=788205+162=367326-(35+263)=28477+463-927=13436+(443-336)=54329×5+442=587440×2-156=724868-391-294=18319+444+127=590644+428-517=555355-353+266=268161×5-627=178361-28=333191×(213-209)=764371-17+125=479258+893-699=452309×3+260=1187106×7-198=544929-231=698561-(203+59)=299760-131×5=105758×3=2274157-(87-55)=125102×9-100=8182/10+4/10=6/1092+371-84=379154+49×6=448891-(516+242)=133192×6-506=646651×5-629=2626437+211-183=465115×5=575130×(229-224)=650477×2-472=482420-340+199=279286+180-66=400195+826+10=1031702+664+86=1452462-304+279=437414-(355-309)=3684/7-1/7=3/7116×(259-252)=812207-86=121251-171+293=373799+175+405=1379729-177=552287×2-570=4564+418=982494-94-255=14540×7=280816-519+619=916927-527=400136×(169-162)=952309-194-15=100478-(155-145)=468396-(176+110)=110597-46×3=459326-34=292161+(358-176)=343748+77×9=1441653-99-71=483649+388×2=1425784-(165+98)=521684+142+66=892506-411+78=173440-385=55156+294-288=162147×(41-38)=44189-38-36=15370×3=1110607×9=5463400+679=1079400-197+168=371338+(425-47)=71676+229+258=563162+554+284=1000180+313×2=806611+(670-592)=689247×4=988372+388+245=1005427-83×4=95135+154-210=79772-187-325=260476+867+416=1759618+(836-476)=978497+267=76478×(827-820)=54694+536+113=743491-312=179351×3-264=789980×(262-254)=7840690+243=933271+159-85=345317-37=28064+880+50=99411+163×5=826965-52-735=178436-360+165=24140+382×2=80497+49×5=342410×2=820233-206=27396-222+54=228911-98×9=29462-66×2=330231+161=392797×5=3985396-236+236=39662×9=558169×(992-985)=1183562-(791-655)=426145×2=290198-(468-343)=73425+377×2=1179230-82+193=341607-(129+72)=406443×7-881=2220354×(957-948)=318666+256+74=396446-230=21627-(24-14)=17896-206+184=874397-68=329830-278=552257-27×6=9541×(467-463)=164747+32×3=843331-152+197=376285+177-318=144792-(154+125)=513453-125+908=1236872×7-147=5957928-369×2=190109+387=49631+(495-488)=38222+304+417=943104+467=571166+313-184=295299-70+124=353734+864+341=1939423-(161+30)=232204+11+91=306305×4-706=514353-247+390=496475×5=2375238-39-30=16996+65=161336×(919-915)=134441+75=116347+78=425518-25×3=443705-116×6=9258-(359-255)=154189-(156-51)=84657-92=565808×7-570=5086447-(497-341)=291207+83-31=259101+625+243=969137×5+292=977105+(443-434)=114664+636=130059+305-318=46362-104×3=50992+225-904=313342+143-323=162497-(591-310)=216342-168-134=40195×7=1365350-43-86=22165+(499-439)=12577+114=191981-13-624=344566+(842-623)=785990-(564-245)=671348×(322-319)=104471-(202-152)=2187+639-102=624888-713+309=484517×(286-277)=4653479-(90+156)=23318×9=162260+982-319=923889-504-301=84959-(630+114)=215490-115×3=145951+653=1604126×2-221=31104×(403-399)=41645+434+262=741553×5=2765114×(424-419)=570131-129+13=15349-(609-501)=241331+165+180=676176-104+215=287182×(472-468)=728456-(720-382)=118300+620-85=83540+24+402=46640×5=200461+432-742=151147+269=416308-24×8=116479-38×7=21398+(186-170)=114555-(226+149)=180859+(490-13)=1336462-221-95=146262+365-162=465455-55×3=29092×9-86=742340+156-464=3245+147+194=3861/8+2/8=3/8945+276-334=887988×3=2964482-(14+374)=94987-251-522=214311+872=1183956-18×5=86626+81×2=188414+195×2=804591×9-373=4946389-(201+16)=172914+756=1670280-72-17=191825-(238+170)=41727×(236-227)=243322×(585-582)=96645×5+391=616212-71-98=43285-(390-112)=7424+(882-337)=969260+102=362482+68×5=822383-346+80=117496-57-128=31151+193-99=1455/9+2/9=7/9461×2=92248×6+296=584156+(150-72)=234101×6-22=58459+(430-295)=194371-188+233=4161/4+2/4=3/4274×9=2466424-(381+12)=31306×2+635=1247182+110=292828-706=122138+(358-269)=227235×(260-257)=705565-(483+54)=28190+174×3=712612+200-435=377167×2+208=542252+131-97=286177+567+813=155768+202=270832+101×7=1539162-(113-63)=112705-239=466294+912-828=378150×6=900545-(347-152)=350405-(478-192)=119270×2=540940-839+70=171268×3=804138×(600-592)=1104297+164=461876-239-324=313463-82×5=53915-502-304=109877-449+956=1384196×3-115=473786+152-244=694459-46×8=91103-(192-118)=29230×4=920760×3-580=1700334+(418-401)=351956×6=573644×8+136=48823×5-93=22414-(92+169)=153493×2-702=2844/9-3/9=1/9438×2-544=33263×(99-93)=378298×2-122=474502+226=728360-(917-750)=193978-908=70298+129-197=230658-(208+136)=314416-368=4817+450-359=108824-361×2=102947-320-378=249468-25-429=14455+(250-237)=468483-234×2=15478-40-382=56198+401=599283-46=237258+(233-54)=437356×2=712350-127×2=9647×(84-77)=329953+304=1257301+852+213=1366601-220-54=327419-(363+18)=38299-(189-138)=248180×4=720106+(366-85)=387280+197+478=955941-(973-821)=789462-321=141373-119+194=448573+518+266=1357798-581+414=6314/7-2/7=2/764+374-383=55261-(157+43)=61340+118=458614+(678-379)=913930-820-86=24632-247+599=984912-111-341=46070+402-264=20853+(462-162)=353664-(535+79)=50538-(495+34)=9349-292=57179×(389-384)=895226+347-448=12570+216=286427-(428-320)=319933×2=1866734+584=1318436+(391-313)=514118×(368-360)=94427×6-15=147464-(277-80)=267121×(371-363)=968128×(413-409)=512321-108-145=68376-21=355661×7=4627519+41-379=181141+79×7=694280-26×4=176661+(703-351)=1013490+(955-49)=1396562+468+839=1869938-(610+304)=24878-61×4=634712-583=129821×(682-678)=3284422-256=166234-176=58277-(736-572)=113394-372=2262×2+435=559341-57×4=113378-100-246=3271×2+153=295181+(344-237)=28899+(799-556)=342204+(484-464)=22453×5=265425-26×2=373820-111-630=79500-360-129=113/10+2/10=5/10146-(153-146)=139148×4-466=126717×9-349=6104520×6-16=3104456-(789-552)=219682+844+531=2057710-328=382776+(441-405)=812453+574-402=625231×4+54=978406-(32+174)=200646+683-971=358309+221×3=972375×2-15=735299+267+220=786421-50=371476×3-948=48080×5+72=472191+767+860=1818829×(697-694)=2487348+901+12=1261420-420+443=44367×(365-362)=201707×(975-971)=282880+156-175=6159×(389-380)=53143×(396-393)=12926×9+252=486729×5-947=2698489-75=414113-39×2=35578+772+623=1973998-347+259=91094-86+268=276371-(107+226)=38457-(46+354)=57182+(846-512)=516151×7=1057947-(675-32)=304319-309=10336-(75+70)=19152+46-60=38145-(454-325)=16928-210+954=1672392+962-886=468733-(105+66)=562812-562=2501/6+2/6=3/6378×2-320=436976-963=1383×5-11=404102×9-525=39343×(282-274)=344282-42+137=37793+279-230=142979+802+739=2520323×2=646190+177-44=323291+57-256=92786+613-952=447167-55=11249×3=147172×(462-457)=860962-(704-437)=695215+94×6=779824-307-320=197823-498+633=95820+(465-241)=244684×(930-923)=4788744-309+28=463208-(208-72)=72699+617+162=14782/6-1/6=1/6959-440-158=361483×(617-612)=2415137×2+229=50335×(288-285)=105743-16-241=486269×(884-878)=1614421×9=3789620-59-483=78217×3+108=75937+946+94=1077221+299+664=1184244-216=28631+(946-847)=730688+156+127=971126-(133-73)=661/6+5/6=1380×2=760245+(400-278)=367307×6-309=1533320-(394-168)=94366-351=15290-205-17=68538+180+13=73192+(568-337)=323425-127×3=44305-(262-259)=302245×(99-96)=73516×(220-213)=112294+150-87=357493×(824-817)=3451274+(533-355)=452640-103-128=409306×4=1224667+15-89=593530-(714-650)=466210×2=420589×(249-242)=4123323+211+32=566461-70×6=41464-(140+202)=122260×3=780854+793=1647991-123×3=622339+383=722680-(266-202)=616283+206×3=9012/3-1/3=1/3426-(154+110)=162577+72×4=865560-(500-405)=46566+(307-67)=306452-203=249411-18-317=76581+349=930679-253+853=1279195+92-246=41307×(79-76)=921387-48×5=147134+211=345383-141-204=38273+65=33880×6-217=263112+(766-82)=796475+(821-260)=1036341+649+543=153358+(455-154)=359839-632=20715×3+816=861380-(122+149)=109736+359+539=1634925×(285-276)=8325400-48-123=22965×9+316=901273×2=546205-173=32873×9-509=73482/7+4/7=6/7470-(383+16)=71220+55×4=440952×(856-851)=4760963×5=4815715-(349+333)=33476-(464-286)=29864-27×2=10674×7-264=4454294-(238+54)=2357-244=113513+106+261=88072×9-379=26978+205=283919×5=4595180+