三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦746-723+914=337-39=336+432=62×(397-394)=150×6-711=181+(261-201)=142×(457-454)=442-25×7=167×2+761=275+95×7=616-548=492-356=78+59-51=268+185×4=325×3=298+(807-80)=578-23×8=764+626=453-96-90=90×8-232=542+706-491=285+439-537=105-(484-471)=16+92=102×2=452-137-119=144×(428-425)=171-60×2=309-137×2=87+473+302=505+601+206=640-(116+79)=893-(642-62)=987+371=226-57=5/6-1/6=169+138=743+422+132=425-214-85=5/7+2/7=389-13×8=129+(369-143)=374+73=85×7-209=820×9=378-39+147=140-(238-185)=2/4-1/4=27×8-134=679×9=717+25×8=50+(375-124)=371-244+363=215+151=45×4+128=108×2=155+(290-23)=660-(588-240)=340-(448-122)=893+337=442+(201-172)=762-(125-121)=316-263=55×4=91+136-205=929-285+606=49-16-30=504+(953-874)=190+(468-107)=297+141+70=296×3-338=396-118×3=25+401-283=323-204=391-(378-170)=211+490+110=794-96=882-438=203-101×2=399-389=239+908-891=55×(200-191)=55-38+840=223×4=860-574+862=343+125+55=728-(969-505)=419-184=172-17×7=394-(94+253)=41×(383-377)=148×(320-314)=225+(880-853)=82×5=409-37×3=786-269+943=537+130+305=116+280=151-52=3/6-2/6=466-249-21=54×2+811=224×(385-381)=424-(308-150)=44+(320-189)=780-(571-154)=355+(316-131)=875×(92-83)=627+19+268=307+(739-593)=467-(808-497)=897+836=329+472+703=377-(326-60)=256-174+54=258+289+92=27+137=453-(87+141)=225+(177-162)=317-(44+225)=455-(183+199)=628-(687-590)=682×4=185+96-231=317-12-59=660×6-806=136+183=477×2=958-547+566=99×(378-370)=61+66=941-569-290=231+252=770-701+997=558-304+121=677+152+992=403+94-334=860+27-292=71+28×3=467+82×6=800×2-786=460-304+181=1/6+2/6=225+32×3=298+(339-189)=495-485=652-624-17=134×5=36×9+78=49×4+941=231-171+237=337-46×7=341+(131-96)=287-57-140=68×4-60=655-181-101=906-(298+452)=593×6=453+163×4=661+968+904=634-41-419=77×9=434+(133-70)=409+918+321=572×(442-435)=752+384+828=84+137=157×4-448=101+362-407=196+599=803-(42+506)=173-24×4=4/7-3/7=450-(890-526)=729-68+871=487-(194+144)=328-116-187=78×(994-990)=468-32×6=74×7-152=992+810-953=340-(203-45)=486+34+380=908+198×4=36+58=412-(74+23)=22×(456-448)=144+11+436=261+177-283=716×(742-735)=598+789=256+221-46=830-(422+32)=351+26+63=267+488+93=342-131-124=4/7-1/7=433-(122+40)=967-88-379=535-128-260=485+(313-290)=258+(439-355)=619×2=452-195-191=40×9=6/9+2/9=805+(677-418)=173+143×2=238-18×9=842-57×5=732-117+158=474-(257+84)=458-99×4=345-109-68=410+82×8=317+(383-33)=105-(418-370)=677+839-350=553-435=553+752-525=216+218-198=276×(725-716)=216+111-65=551-380-140=213-(164-130)=56×5+816=324-(43+204)=347-89-88=176×4-611=194-(35+55)=235-188=268-87×2=150-(933-849)=625×(435-427)=285+610=819-684=335+714+837=203+100+177=109×(106-99)=261+(270-143)=702-213×2=467-(56+299)=810-56×8=172+313-468=338+449+517=454-46×5=966-169+967=509+(725-464)=143-125=878-211=5/9-4/9=826-118-588=211-30×3=386+884-335=18×(479-474)=792×3=307-175=31×(493-488)=436×2-327=194+324+541=408-209+288=13+30=429×3-608=308×(725-718)=196-(265-161)=481-392+408=501×7-740=130×8-493=36×5+353=64+279=709-151×3=457-81+11=214×3-213=955×(94-85)=910+804+463=17+336-350=922+345=935-(188+230)=81×4+245=391+299×3=418-301=135-122+263=148×(89-83)=136+315-403=763+965+513=411+50×6=649×2-180=128-108+414=58+190-36=272-(20+15)=863+362+454=760-31×2=250-134=630-(197+123)=116×8-755=176×(722-714)=208+176+443=702-(614-514)=462-29×6=267+599=424×4=64+(460-201)=806+226×4=814×3=283+86+139=798-(346+153)=848×(933-927)=253×2+234=914-68=592×(47-38)=457-18=378-278=414-134×3=91×2=317×5=638+98+13=368-(127+109)=556-520+108=882+782=839-309×2=92×4-69=90+226+192=1/10+8/10=942-180-134=159×4=909-374×2=847-(226+469)=799-315+748=302-31×2=424-128=585+(835-78)=184-18×6=701-(322+10)=524-498+343=975-57×6=550-(270-41)=17×5=266-(122-76)=425-381+388=164×3=980+(472-374)=88×(305-301)=252-238=356-21-289=63+101=728+585=93×3+55=331+375+75=1/4+2/4=228+(313-155)=370+(103-100)=212×4+54=765-(413-104)=489-244+175=293×3-269=610-43-228=39×(456-449)=607×4-560=451+240+160=395+607-619=412-207+229=987×9=859+105×9=98×(369-362)=4/6-1/6=200-(13+153)=939+(618-383)=308-(285-56)=154×4=386×7=498-377+267=73×7-36=428+76+899=900+896-144=482-172-280=806+225-903=301+34-20=64×9+174=401-(461-129)=61×(291-288)=125×(524-520)=18+113×2=473-(466-110)=134×6-376=881×(245-240)=460-57=740×6-555=80+64=119+226-37=191-(50+85)=549×(824-816)=402-342=912-687-75=819-(926-426)=354-(70+71)=903-(28+607)=835×7-822=710+312-751=163×6=437-(53+151)=481-320-74=27+111=274-231+96=847-35+473=801×4=12×7+492=722+(877-35)=277+209-370=72×2=115×3+751=231+66-240=611-(894-728)=59+29×4=495-481+408=768-42-708=599×9=854-815=381-89=99+439=446-(381-94)=878-30-512=106-10×9=355-65-105=173+63×7=388-265+91=297-31×8=326+34-303=678+958=327-15×7=4/8+2/8=376-(553-397)=469-(221+177)=277+422=480-(565-148)=90+37×5=404+19×3=29-(364-343)=679×7-131=80×3+445=590-164-234=317-22×8=216-(219-61)=73-15=920+(414-261)=617-230+97=913×(302-294)=256+(329-271)=243×4-125=1/8+6/8=253+(464-269)=952-(591+230)=906×9-523=28+59×8=343-64×2=344-27×3=904+(702-160)=311×3-36=568-241+561=938+595-392=839+(603-191)=383-146-53=448+(798-212)=354+401=625×7-739=640-40=419+(227-93)=878-(37+743)=642+929=71-(232-170)=206+77-107=31-(225-206)=882+(791-439)=92+345-211=430+258+111=487-125×2=273×(476-469)=235×(356-352)=823-(949-508)=424-341-81=324-118=60×7+98=199+(499-214)=51+813+178=904-(252-145)=585-536-15=379-40+109=297×2+587=370+681+830=117×6=84×5+433=361+12+301=557×6-690=376-165×2=127×5-66=386+146=234+307×2=237-(11+15)=93×(89-82)=487+834-486=219+784-447=915-54×7=449-(423-209)=665×5-349=61×7=259×(784-780)=285-283+427=254-246+264=237×2+290=846-492=270+(300-93)=198+(855-590)=458-(183+63)=627+(902-259)=420-(667-588)=228-(349-209)=231-48=424-(175+192)=128×7-634=249+219-229=581×(779-772)=128-21+318=573-149=959+155×6=436+560-849=60×9-84=749-(643+54)=312+160=287+(279-156)=74×6+912=448-(62+346)=145+221=363+309+303=824-307=480-(445-192)=388-(61+221)=446×7-374=87×5=193+378×2=322+101=912×7=439-17=250×(216-213)=259×(476-470)=477-52×6=148×(260-251)=993+692=562-49-371=800+(827-329)=238-128-101=507-14-125=125-26-22=416-(420-198)=918+(562-246)=448-408+398=19+256+147=717-(624-176)=101+298=434×4-780=260+84=50×8=972×(945-942)=271-51=146+286+18=4/5-1/5=707-279-21=93+321+229=818-197×3=80+333-249=589+874-158=509×(881-873)=440-153=101-(32-24)=864+315-817=65×7-281=162-(290-227)=275×3-640=449-118-110=656×9-308=230-130+262=206-59×2=672+(931-184)=85+127-145=672+558-522=849×(469-466)=280×3+253=37×6+898=339-(198-181)=140-118+283=210+500+191=97×7+157=221+248-402=992+168×4=192×(298-295)=470-(10+138)=637-17×6=479-86-161=42×(50-42)=619+(562-128)=968-(186+57)=233-64+226=245×2-174=789-(139-28)=907×5-382=455-140-139=460-(49+162)=276×(589-586)=966+915+388=788-360=537-23×7=977-(845-293)=147+332+608=45+102=130×3-20=144×4=86+327=340+(972-318)=466+(794-474)=216×4=351-16-274=449-87×5=721×5=2/5+3/5=524-134×2=399-60=497-287+82=436-282=140×5=67×3+684=205-(28+33)=880×2-894=258-79×2=346-31×7=235×2-448=268+14-125=675-576+601=552-20=476-179=66×9=357×(986-979)=329-138-39=985-551=219-29+131=484-(73+261)=263×2-466=303×3-347=367+307=816-471=68×(370-361)=68+353-137=753×2-458=485-11×8=520-(340+86)=1/6+4/6=4/7+2/7=121×5=57×2=131×8=885+(359-290)=87+268=5/8-3/8=143+308=684-(266+163)=811-(783-577)=506-(180+200)=147×(23-18)=281-272+39=713×(253-245)=495-372-74=132×5-197=14+14=789-(20+508)=207×4=84×(880-875)=145-(38+85)=454+181+298=252+375+67=793+486-488=81×9=298×4-795=197-(414-376)=738×4=514×7-109=209×2=261+23+366=892-(210+402)=86×(429-426)=679-346-306=837-419-119=315×2=467-(280-129)=98×6-104=846-(282+155)=382-223-124=578+57+108=207+(102-15)=308+128=742+379+141=59+193=239+132×7=304+360+184=176-(92+52)=94×3+440=326+304+867=279+108=523+(250-62)=135+(321-262)=996-(338+258)=230+870-825=385-133=151-(283-267)=375+(378-330)=123×2-202=272×4=859×3=3/5-1/5=778-184-588=152+392=718-706+736=225+83×7=359+30-333=955-154-644=964-877+420=409×9-888=126+133-18=611+(564-212)=317+54×9=44×4=465-(272+67)=839+534-96=371-89×4=47+586+115=501×6-847=2/10+7/10=291+44+193=77×8+359=175×(380-375)=370-185-155=355×9=375-141-127=427-(11+246)=370-150=856-(357+164)=481×2+68=307-31-162=82×3=718+174+62=299-11×4=271-(433-162)=110×(254-246)=946-(739+181)=445-151-129=1/8+3/8=924×2=80+(423-413)=323×(385-382)=724-(150+418)=3/6-1/6=544+333×3=472-287+254=290×(184-181)=48+250=939-(226+119)=795-62=359-60×4=381-293-71=581+(997-386)=279×2+163=392+698+340=464-72=661×2=75+203-44=742+449-609=475-(246+108)=723-128×4=76-47+197=978-762=271-134+782=523×5=497-76+356=148×4-274=70+(345-238)=823×6=472-412+12=386+144×2=200-95+34=141+(154-81)=344×6=41+343+551=443-53×6=131×4=353-43-14=597-100+420=983-380=449-44×6=141+374=403-172=967-660=359-151×2=21×(469-462)=4/7-2/7=346-(423-258)=206-107=440-129=792-22×6=476-(129+119)=442×2+964=864-15-339=54×9-74=156+724-26=947+432-352=94+126=452-(960-619)=446-(249+110)=451×5-280=386+772=959-135×2=734-129+291=159+284=115×(196-192)=96×(814-807)=155+50=320-117+339=853+649+900=196+149=127×4-405=788+148-577=331+772-460=356-(740-473)=807+(313-164)=745×9-85=713-314×2=222+268=58+581+237=960-369+816=389-326=412-(174-117)=500-40×8=278+721-350=957-(769-725)=67×(108-102)=497-75×4=777+583+826=196+(877-380)=97+134+886=413-(442-50)=262-85=429-405+385=222×2+133=759-(691+26)=667-102-492=222+269=444-36-43=191+285-138=66×8=71+252=299-64=859+667+248=414-(932-625)=525-285=646-112-141=404-219+63=352+124×5=829+909-236=915-426-219=參考答案746-723+914=937337-39=298336+432=76862×(397-394)=186150×6-711=189181+(261-201)=241142×(457-454)=426442-25×7=267167×2+761=1095275+95×7=940616-548=68492-356=13678+59-51=86268+185×4=1008325×3=975298+(807-80)=1025578-23×8=394764+626=1390453-96-90=26790×8-232=488542+706-491=757285+439-537=187105-(484-471)=9216+92=108102×2=204452-137-119=196144×(428-425)=432171-60×2=51309-137×2=3587+473+302=862505+601+206=1312640-(116+79)=445893-(642-62)=313987+371=1358226-57=1695/6-1/6=4/6169+138=307743+422+132=1297425-214-85=1265/7+2/7=1389-13×8=285129+(369-143)=355374+73=44785×7-209=386820×9=7380378-39+147=486140-(238-185)=872/4-1/4=1/427×8-134=82679×9=6111717+25×8=91750+(375-124)=301371-244+363=490215+151=36645×4+128=308108×2=216155+(290-23)=422660-(588-240)=312340-(448-122)=14893+337=1230442+(201-172)=471762-(125-121)=758316-263=5355×4=22091+136-205=22929-285+606=125049-16-30=3504+(953-874)=583190+(468-107)=551297+141+70=508296×3-338=550396-118×3=4225+401-283=143323-204=119391-(378-170)=183211+490+110=811794-96=698882-438=444203-101×2=1399-389=10239+908-891=25655×(200-191)=49555-38+840=857223×4=892860-574+862=1148343+125+55=523728-(969-505)=264419-184=235172-17×7=53394-(94+253)=4741×(383-377)=246148×(320-314)=888225+(880-853)=25282×5=410409-37×3=298786-269+943=1460537+130+305=972116+280=396151-52=993/6-2/6=1/6466-249-21=19654×2+811=919224×(385-381)=896424-(308-150)=26644+(320-189)=175780-(571-154)=363355+(316-131)=540875×(92-83)=7875627+19+268=914307+(739-593)=453467-(808-497)=156897+836=1733329+472+703=1504377-(326-60)=111256-174+54=136258+289+92=63927+137=164453-(87+141)=225225+(177-162)=240317-(44+225)=48455-(183+199)=73628-(687-590)=531682×4=2728185+96-231=50317-12-59=246660×6-806=3154136+183=319477×2=954958-547+566=97799×(378-370)=79261+66=127941-569-290=82231+252=483770-701+997=1066558-304+121=375677+152+992=1821403+94-334=163860+27-292=59571+28×3=155467+82×6=959800×2-786=814460-304+181=3371/6+2/6=3/6225+32×3=321298+(339-189)=448495-485=10652-624-17=11134×5=67036×9+78=40249×4+941=1137231-171+237=297337-46×7=15341+(131-96)=376287-57-140=9068×4-60=212655-181-101=373906-(298+452)=156593×6=3558453+163×4=1105661+968+904=2533634-41-419=17477×9=693434+(133-70)=497409+918+321=1648572×(442-435)=4004752+384+828=196484+137=221157×4-448=180101+362-407=56196+599=795803-(42+506)=255173-24×4=774/7-3/7=1/7450-(890-526)=86729-68+871=1532487-(194+144)=149328-116-187=2578×(994-990)=312468-32×6=27674×7-152=366992+810-953=849340-(203-45)=182486+34+380=900908+198×4=170036+58=94412-(74+23)=31522×(456-448)=176144+11+436=591261+177-283=155716×(742-735)=5012598+789=1387256+221-46=431830-(422+32)=376351+26+63=440267+488+93=848342-131-124=874/7-1/7=3/7433-(122+40)=271967-88-379=500535-128-260=147485+(313-290)=508258+(439-355)=342619×2=1238452-195-191=6640×9=3606/9+2/9=8/9805+(677-418)=1064173+143×2=459238-18×9=76842-57×5=557732-117+158=773474-(257+84)=133458-99×4=62345-109-68=168410+82×8=1066317+(383-33)=667105-(418-370)=57677+839-350=1166553-435=118553+752-525=780216+218-198=236276×(725-716)=2484216+111-65=262551-380-140=31213-(164-130)=17956×5+816=1096324-(43+204)=77347-89-88=170176×4-611=93194-(35+55)=104235-188=47268-87×2=94150-(933-849)=66625×(435-427)=5000285+610=895819-684=135335+714+837=1886203+100+177=480109×(106-99)=763261+(270-143)=388702-213×2=276467-(56+299)=112810-56×8=362172+313-468=17338+449+517=1304454-46×5=224966-169+967=1764509+(725-464)=770143-125=18878-211=6675/9-4/9=1/9826-118-588=120211-30×3=121386+884-335=93518×(479-474)=90792×3=2376307-175=13231×(493-488)=155436×2-327=545194+324+541=1059408-209+288=48713+30=43429×3-608=679308×(725-718)=2156196-(265-161)=92481-392+408=497501×7-740=2767130×8-493=54736×5+353=53364+279=343709-151×3=256457-81+11=387214×3-213=429955×(94-85)=8595910+804+463=217717+336-350=3922+345=1267935-(188+230)=51781×4+245=569391+299×3=1288418-301=117135-122+263=276148×(89-83)=888136+315-403=48763+965+513=2241411+50×6=711649×2-180=1118128-108+414=43458+190-36=212272-(20+15)=237863+362+454=1679760-31×2=698250-134=116630-(197+123)=310116×8-755=173176×(722-714)=1408208+176+443=827702-(614-514)=602462-29×6=288267+599=866424×4=169664+(460-201)=323806+226×4=1710814×3=2442283+86+139=508798-(346+153)=299848×(933-927)=5088253×2+234=740914-68=846592×(47-38)=5328457-18=439378-278=100414-134×3=1291×2=182317×5=1585638+98+13=749368-(127+109)=132556-520+108=144882+782=1664839-309×2=22192×4-69=29990+226+192=5081/10+8/10=9/10942-180-134=628159×4=636909-374×2=161847-(226+469)=152799-315+748=1232302-31×2=240424-128=296585+(835-78)=1342184-18×6=76701-(322+10)=369524-498+343=369975-57×6=633550-(270-41)=32117×5=85266-(122-76)=220425-381+388=432164×3=492980+(472-374)=107888×(305-301)=352252-238=14356-21-289=4663+101=164728+585=131393×3+55=334331+375+75=7811/4+2/4=3/4228+(313-155)=386370+(103-100)=373212×4+54=902765-(413-104)=456489-244+175=420293×3-269=610610-43-228=33939×(456-449)=273607×4-560=1868451+240+160=851395+607-619=383412-207+229=434987×9=8883859+105×9=180498×(369-362)=6864/6-1/6=3/6200-(13+153)=34939+(618-383)=1174308-(285-56)=79154×4=616386×7=2702498-377+267=38873×7-36=475428+76+899=1403900+896-144=1652482-172-280=30806+225-903=128301+34-20=31564×9+174=750401-(461-129)=6961×(291-288)=183125×(524-520)=50018+113×2=244473-(466-110)=117134×6-376=428881×(245-240)=4405460-57=403740×6-555=388580+64=144119+226-37=308191-(50+85)=56549×(824-816)=4392402-342=60912-687-75=150819-(926-426)=319354-(70+71)=213903-(28+607)=268835×7-822=5023710+312-751=271163×6=978437-(53+151)=233481-320-74=8727+111=138274-231+96=139847-35+473=1285801×4=320412×7+492=576722+(877-35)=1564277+209-370=11672×2=144115×3+751=1096231+66-240=57611-(894-728)=44559+29×4=175495-481+408=422768-42-708=18599×9=5391854-815=39381-89=29299+439=538446-(381-94)=159878-30-512=336106-10×9=16355-65-105=185173+63×7=614388-265+91=214297-31×8=49326+34-303=57678+958=1636327-15×7=2224/8+2/8=6/8376-(553-397)=220469-(221+177)=71277+422=699480-(565-148)=6390+37×5=275404+19×3=46129-(364-343)=8679×7-131=462280×3+445=685590-164-234=192317-22×8=141216-(219-61)=5873-15=58920+(414-261)=1073617-230+97=484913×(302-294)=7304256+(329-271)=314243×4-125=8471/8+6/8=7/8253+(464-269)=448952-(591+230)=131906×9-523=763128+59×8=500343-64×2=215344-27×3=263904+(702-160)=1446311×3-36=897568-241+561=888938+595-392=1141839+(603-191)=1251383-146-53=184448+(798-212)=1034354+401=755625×7-739=3636640-40=600419+(227-93)=553878-(37+743)=98642+929=157171-(232-170)=9206+77-107=17631-(225-206)=12882+(791-439)=123492+345-211=226430+258+111=799487-125×2=237273×(476-469)=1911235×(356-352)=940823-(949-508)=382424-341-81=2324-118=20660×7+98=518199+(499-214)=48451+813+178=1042904-(252-145)=797585-536-15=34379-40+109=448297×2+587=1181370+681+830=1881117×6=70284×5+433=853361+12+301=674557×6-690=2652376-165×2=46127×5-66=569386+146=532234+307×2=848237-(11+15)=21193×(89-82)=651487+834-486=835219+784-447=556915-54×7=537449-(423-209)=235665×5-349=297661×7=427259×(784-780)=1036285-283+427=429254-246+264=272237×2+290=764846-492=354270+(300-93)=477198+(855-590)=463458-(183+63)=212627+(902-259)=1270420-(667-588)=341228-(349-209)=88231-48=183424-(175+192)=57128×7-634=262249+219-229=239581×(779-772)=4067128-21+318=425573-149=424959+155×6=1889436+560-849=14760×9-84=456749-(643+54)=52312+160=472287+(279-156)=41074×6+912=1356448-(62+346)=40145+221=366363+309+303=975824-307=517480-(445-192)=227388-(61+221)=106446×7-374=274887×5=435193+378×2=949322+101=423912×7=6384439-17=422250×(216-213)=750259×(476-470)=1554477-52×6=165148×(260-251)=1332993+692=1685562-49-371=142800+(827-329)=1298238-128-101=9507-14-125=368125-26-22=77416-(420-198)=194918+(562-246)=1234448-408+398=43819+256+147=422717-(624-176)=269101+298=399434×4-780=956260+84=34450×8=400972×(945-942)=2916271-51=220146+286+18=4504/5-1/5=3/5707-279-21=40793+321+229=643818-197×3=22780+333-249=164589+874-158=1305509×(881-873)=4072440-153=287101-(32-24)=93864+315-817=36265×7-281=174162-(290-227)=99275×3-640=185449-118-110=221656×9-308=5596230-130+262=362206-59×2=88672+(931-184)=141985+127-145=67672+558-522=708849×(469-466)=2547280×3+253=109337×6+898=1120339-(198-181)=322140-118+283=305210+500+191=90197×7+157=836221+248-402=67992+168×4=1664192×(298-295)=576470-(10+138)=322637-17×6=535479-86-161=23242×(50-42)=336619+(562-128)=1053968-(186+57)=725233-64+226=395245×2-174=316789-(139-28)=678907×5-382=4153455-140-139=176460-(49+162)=249276×(589-586)=828966+915+388=2269788-360=428537-23×7=376977-(845-293)=425147+332+608=108745+102=147130×3-20=370144×4=57686+327=413340+(972-318)=994466+(794-474)=786216×4=864351-16-274=61449-87×5=14721×5=36052/5+3/5=1524-134×2=256399-60=339497-287+82=292436-282=154140×5=70067×3+684=885205-(28+33)=144880×2-894=866258-79×2=100346-31×7=129235×2-448=22268+14-125=157675-576+601=700552-20=532476-179=29766×9=594357×(986-979)=2499329-138-39=152985-551=434219-29+131=321484-(73+261)=150263×2-466=60303×3-347=562367+307=674816-471=34568×(370-361)=61268+353-137=284753×2-458=1048485-11×8=397520-(340+86)=941/6+4/6=5/64/7+2/7=6/7121×5=60557×2=114131×8=1048885+(359-290)=95487+268=3555/8-3/8=2/8143+308=451684-(266+163)=255811-(783-577)=605506-(180+200)=126147×(23-18)=735281-272+39=48713×(253-245)=5704495-372-74=49132×5-197=46314+14=28789-(20+508)=261207×4=82884×(880-875)=420145-(38+85)=22454+181+298=933252+375+67=694793+486-488=79181×9=729298×4-795=397197-(414-376)=159738×4=2952514×7-109=3489209×2=418261+23+366=650892-(210+402)=28086×(429-426)=258679-346-306=27837-419-119=299315×2=630467-(280-129)=31698×6-104=484846-(282+155)=409382-223-124=35578+57+108=743207+(102-15)=294308+128=436742+379+141=126259+193=252239+132×7=1163304+360+184=848176-(92+52)=3294×3+440=722326+304+867=1497279+108=387523+(250-62)=711135+(321-262)=194996-(338+258)=400230+870-825=275385-133=252