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516×7-692=697×3-739=494×2+662=181-48+235=934-(411+309)=907-78×3=661-94×3=209+109×2=949-(556-325)=281+(699-577)=193-92=279-101+163=80×9=972+851-578=770-91×2=607×3-671=295×5=355-(216-24)=841+335×2=145+249-252=117+596+21=660+80+498=106×2=713+153+68=621-(885-504)=507-359=384-(376-167)=663+22×3=299-(62-14)=271-173=721-(728-86)=330+(729-529)=615-62-165=963-835+530=341-(61+102)=275+152=556×7-244=230×4=314×3=60-(227-201)=459-(465-281)=442-(187+224)=2/5-1/5=190+295=979-209×2=995-614-75=74+584+85=397+(199-34)=189+151=147-34-79=149+282=953-221-355=175×5=373-49-313=132×(655-652)=153+413=271-(81-57)=190+127-67=479-192=252×(251-245)=427-(114+44)=245+505+44=307×2-588=412×4-883=166+307=462-281-166=932-(356-243)=822-575=995×8=3/6+2/6=214+114×3=933-(196+680)=157-142+241=690-(327+54)=108+86+275=430-298-35=348+(128-39)=150×(298-295)=113×4=399+12-226=491-28×3=904-(168+390)=299-(344-144)=988+704+646=339×2=636-(948-899)=343+95=294×(630-625)=125+138+598=360-154-90=632+546-790=225+239+789=104+155=592-(342+57)=456×2+31=661+873=114×2+601=828+487-334=885-44×9=372-183+115=180-69+475=971+452-338=490-244+71=453×3=279-14×3=59×9-455=414+128=932+(872-216)=451-(228+203)=174+583=525-57×7=251+(485-11)=75×8-237=155-33=21×8+349=423-40-55=887-258-400=930-85×2=530×(517-510)=24×(369-363)=739+10×7=10×(308-305)=69×4+169=3/8+4/8=276+531-43=76×(492-488)=109×(434-430)=70×3-131=399-(340-90)=255+103-45=373-317-40=486-77-284=434-275=956+149×3=334×(979-972)=894-85+501=558×(267-264)=451-181-265=756+733-767=78+153-32=519+198=83+770+42=286-30+88=764-179=371-22=543×4=5/9-4/9=467+(418-81)=106+(666-161)=243×(336-332)=114+98+235=2/10+7/10=50+124×3=658+(503-352)=76×(494-487)=424-(409-333)=122+(178-128)=164+31×2=174×4-541=171+240-38=859-236×3=44+34=599-150=26+955+290=28×8=349-18×2=196-(216-59)=709-670+691=293×3-382=438-43-152=228+178-282=34×6=274×8=407+(214-51)=647-(600-410)=488×2=922-(480+138)=535-(66+425)=236-(68+30)=253-47=370+(324-49)=310×3+206=117+(173-115)=42+433-349=106+(219-88)=525-478=47+199-48=232-210=62×(349-341)=297-260+584=660-184+448=333+(981-524)=149×5+567=471×2-164=174×3+304=196+(339-181)=146+323-39=810-157-453=216+425+597=285-(392-225)=525+373=741-83×8=158+177+524=449×2-737=479+330+91=628-491+372=412-27×8=502-115×2=804-312-109=125×2+31=438-(465-101)=284-243=218-109=11×2+200=201×4=284+690-805=705+(901-888)=414-78-181=476×2-412=93+346+831=377×3=351+(298-220)=192×3=208-181=314+10-98=403-230+321=729+479×2=90+36-115=276×3-780=180×4=398-(256-79)=163+89=476+859=341-(303+19)=105+240=723-(714-38)=105+(321-226)=242-32=751-69-245=442-132+623=954+595-896=466+149+264=141×2=169+274=886×(661-654)=321×3=2/10+5/10=124×(220-212)=478-(11+404)=336-144×2=224+(276-116)=196+276=347+82-343=77×(149-141)=483-317=358+404×2=462-350-67=893-142-724=378-101×2=26×7+726=414-299+298=300+(433-299)=605×(185-182)=976+784-49=283-59=92×7+341=11+(399-324)=797-(262-34)=836×9=462-423+324=353-(182+29)=438-255-48=771+651-849=801+249-673=135×(431-428)=367+59-180=382-208+296=367-13×8=516+(475-132)=832-120×3=92-91+876=213-(13+41)=252×2=647×2-996=978-56×4=141+150+593=717-43×2=917-168-684=511×(762-759)=15+481-378=134+(419-337)=375-144=262-(232-126)=859-767=157+600+86=129×2+509=888×7=72+(118-100)=121+193+707=984-(475+108)=324×9-590=591+853+416=65+380=687+955-205=951-36-134=716+982-875=882-(996-527)=321-110-18=267+(376-289)=362-262-100=402-99-22=3/8+2/8=981-133-679=425-(256+165)=818+229=177-12×7=415-384+49=832-(462-346)=736+218+982=179+44×3=18×5+258=467×2-92=614+118+523=814+(298-83)=692-(71+456)=270-64=328+102=785-(134+460)=459-373+364=443×9-583=913-361-203=470+(496-412)=308-(53+97)=96×5+206=801+390-658=874×5-81=413-(128+182)=252-84×2=966-219+660=301-22+425=712-(222+333)=315-75-233=1/8+6/8=952-476=439-(348+25)=653-43×8=267-80-105=277+176+294=862×(572-568)=375-14×6=507+(572-276)=262×2-168=331+109=408+199+237=590+397-282=684-(314+57)=908-885+56=200+(717-335)=694+29-636=79×9+469=793+493-213=42+32×5=497-(291+156)=196-38×5=471-(239+65)=614-(373-159)=341+141=390-37=253-20=238+416+263=584+23+437=623-290+254=147×3=381+225+334=91+(499-384)=780-202×3=481-26×7=361-276=42×4=73×(37-28)=11×(224-221)=857×6=886+372-295=412×9-957=456+91+231=351-(191+67)=834-(135-22)=590-338+803=852-(95+663)=276-(626-422)=120+514+32=234+40=536×3-178=527-226=433-(167+95)=245-(42+70)=130×7=76+392=442+72×5=458-(239+93)=997-(213-70)=907-(241+85)=93+175=166+84=31×7=71+30=406-305+118=277-(41+118)=258×(109-106)=494×5-940=470-111×3=81+480+340=421-312=386+46-143=720-520=467×5-855=124+(848-360)=744+154-99=291+193=272-(346-269)=520-(172+72)=607-(195+191)=420+378+789=890-16-213=410×2=303+190+39=449-367+850=265-(474-310)=268×(213-210)=116×(296-291)=465-441+41=874+(448-369)=488-(383+84)=729-376=366-10×7=4/8-1/8=38×(443-435)=105-23=226-173-51=95+246-34=369+824+82=950+698+139=88×7=206-34=372×2-123=258+67×3=204×(249-246)=282-197-47=347×8-493=466-198-49=516-500+717=76×2=332-104+247=319+34-194=99+298-281=554-64×8=492-(166+142)=245×2=790-(571+75)=56×8+305=882-21×5=219-(420-398)=377-49×4=146-39=218+106=62×4-199=227×(485-476)=725×6=280-(320-177)=500×5=208+721+888=127×(87-83)=701+544=434×3-985=209×3+335=265×3+115=717×9-48=282×2=58+90×8=375+678-610=467-304=112×7-388=86-(66-10)=361-(463-136)=430-253=773-450=470-67×6=638-36×2=616+609+319=476-21×7=850×(653-648)=511+183-140=648-26-208=144×2=732×3-710=724×4=215-(100+20)=379-134+213=465-346+358=849×8-611=261-110=172+279=339+145×2=754+308+413=435-280+45=53×4+345=268-40-191=409-347=48×5-176=192-23-67=976-94+785=122+650+84=497+(480-379)=139×3+20=811+604-154=922-254-122=434×9-482=694-30×7=118×(468-461)=653+798=437+(277-246)=182+172=463-(315-229)=782-558-130=617-192-120=932×(813-806)=357-179=660+(404-140)=556-138+71=3/5-1/5=975+232-449=123×8-831=319-114+239=38×9-299=190×4-581=765-(692-183)=386-206+523=256+182-385=461×2=646-437+448=308×2-88=436-(235-151)=413×2-684=363-72×2=757-38=744-44+195=427-381-37=393-53-229=436-44×5=659-21-300=64-(310-274)=430-393+280=911+273×2=681-67×7=628×4-496=300×5=619-41+48=880-(450+244)=828-105+993=716+(733-710)=185+248=181×4+341=186-61=847×(267-261)=345-(429-87)=323+799=212+70×4=3/7-2/7=292×3=163+96+207=644-(296-279)=476×(220-211)=25+181-106=459-(221+183)=309+(445-67)=876-(45+639)=141+200-22=99+101-107=1/7+2/7=586-43×6=410-111=134+92=69+288-216=4/7+3/7=222+269=755-71×7=299-(773-678)=314+(465-43)=595-(215+209)=963×(189-180)=290-233+345=27×3+851=635-401-48=733-(722-641)=259×(449-446)=469-277-22=496×6=477-85×2=366-(92-78)=820+172+729=372-(192-150)=347-13=50×4+350=633×5-904=265-132=824-(520-273)=5/7-2/7=483×2-389=639+99×8=218-14×4=459-(396-27)=727+858+159=74+541+742=249+679+69=499+175=330×(433-430)=197-21=30×(172-165)=193+106×7=819-(29+788)=815-615=499-289+109=812-138-435=822×3=631+(149-125)=182×(273-269)=477×7=823+75+16=133+(497-442)=161+56-56=357+133=2/6+4/6=925+316-599=720×3=26+(412-72)=341-158+87=101×(287-279)=506-209×2=934-145×3=231×4=244-104×2=141+862+818=897×7-856=466-96-30=41+99=84×6-318=101+44×2=324×3=347×(99-91)=70+426-171=76+240=490-11×6=18-(88-81)=2/4-1/4=526+116×2=257×3-751=3/6-2/6=39+348-41=533-(882-859)=662-287-121=264+218=647+645+881=168-(282-170)=924-(140+732)=154×(145-141)=265+198+488=749×6=204-135=2/8+6/8=916+505=412-69-94=345+(451-122)=104×8-232=908+(228-20)=102×(397-391)=191+213=29+222-168=385-80-24=211×(268-264)=829×4=347-198=743+30+237=793×2-662=466-266+459=574-(156+300)=203-45+749=189+128+169=954-591=425-(327-295)=216-88=399-202-16=454-(202+169)=273×8=385-88=291+373+336=491-67-290=21×9-28=482+(476-250)=132×7=345-(133+146)=882+(198-163)=550-(41+27)=394+203=332-97=721-43+598=642-141-297=169+295-213=307+(340-53)=436-99×3=294-(106+176)=259-29-136=438-(246-60)=145-30+32=386×4=111×8-715=899-(569+120)=834-255+208=282-(190+34)=173×(267-262)=813+169=986×9=365-104-28=606+116-161=31×9-245=129+151=977-331=224-75×2=965-94-463=432-284-52=752+434-333=483-291=500×2=32+(930-562)=643+56×9=350+151-278=471-130×3=26×5-104=307×3-735=798-(825-751)=477-28×5=385-289=1/5+4/5=387-(54+327)=301×(730-722)=373-(150-11)=848-(380-130)=494+537=145×5+207=434+77=252-60×4=317+(468-425)=136+(398-378)=426+183+252=455-388=171×4+888=124+163=342+(330-55)=455-19×8=768-(799-466)=84+73-142=818-(888-315)=67×(149-142)=344×3-690=289-(368-145)=285+257×2=378+411+764=793×9-10=349+45×2=466-(247+67)=101+100×9=493-(114+335)=378+32-165=385-62+112=487-(489-218)=94+(899-570)=458×2=468-42-283=343+244+62=792-(182+250)=92+311=443×2-769=7/10-3/10=139×4+221=675+626=173+42×5=6/9-3/9=457+303+119=106×(900-891)=105+108-148=476-116+128=403+(128-55)=239-47=350-(241-170)=200+139×2=5/8-3/8=86×4+452=258-200+428=404-81-13=22×(739-732)=381×(649-643)=92×2=157×(98-94)=83×(22-13)=726-(120+206)=29×4+454=140×(403-399)=788-201-135=638×8-615=597×(804-799)=435-394+308=31+334+431=418+(156-113)=100×(112-106)=599-200×2=306-205+52=311-56×5=320+(642-506)=853×(202-197)=25+(254-56)=208×(591-583)=308+211=3/7+2/7=738+852+857=110+(585-150)=256+24+543=251+539=171×3=273+48+286=285+76=112×(710-705)=426-(52+272)=293+159×3=106+209=882+267=577-467=758+(451-71)=415-51×8=315-38×3=863-(160+103)=31×3=494-262=876+703-963=160×5+319=365-162+258=452-332+182=4/5-1/5=453-65×3=224-212+199=60×3=748-207+136=291+163×3=138+(394-170)=539-51×9=401+591=454-43×6=131-36=409×2-222=34×9-226=984-(949-22)=86×9-756=390×2=143×(148-144)=500+851+20=147+(283-190)=参考答案516×7-692=2920697×3-739=1352494×2+662=1650181-48+235=368934-(411+309)=214907-78×3=673661-94×3=379209+109×2=427949-(556-325)=718281+(699-577)=403193-92=101279-101+163=34180×9=720972+851-578=1245770-91×2=588607×3-671=1150295×5=1475355-(216-24)=163841+335×2=1511145+249-252=142117+596+21=734660+80+498=1238106×2=212713+153+68=934621-(885-504)=240507-359=148384-(376-167)=175663+22×3=729299-(62-14)=251271-173=98721-(728-86)=79330+(729-529)=530615-62-165=388963-835+530=658341-(61+102)=178275+152=427556×7-244=3648230×4=920314×3=94260-(227-201)=34459-(465-281)=275442-(187+224)=312/5-1/5=1/5190+295=485979-209×2=561995-614-75=30674+584+85=743397+(199-34)=562189+151=340147-34-79=34149+282=431953-221-355=377175×5=875373-49-313=11132×(655-652)=396153+413=566271-(81-57)=247190+127-67=250479-192=287252×(251-245)=1512427-(114+44)=269245+505+44=794307×2-588=26412×4-883=765166+307=473462-281-166=15932-(356-243)=819822-575=247995×8=79603/6+2/6=5/6214+114×3=556933-(196+680)=57157-142+241=256690-(327+54)=309108+86+275=469430-298-35=97348+(128-39)=437150×(298-295)=450113×4=452399+12-226=185491-28×3=407904-(168+390)=346299-(344-144)=99988+704+646=2338339×2=678636-(948-899)=587343+95=438294×(630-625)=1470125+138+598=861360-154-90=116632+546-790=388225+239+789=1253104+155=259592-(342+57)=193456×2+31=943661+873=1534114×2+601=829828+487-334=981885-44×9=489372-183+115=304180-69+475=586971+452-338=1085490-244+71=317453×3=1359279-14×3=23759×9-455=76414+128=542932+(872-216)=1588451-(228+203)=20174+583=757525-57×7=126251+(485-11)=72575×8-237=363155-33=12221×8+349=517423-40-55=328887-258-400=229930-85×2=760530×(517-510)=371024×(369-363)=144739+10×7=80910×(308-305)=3069×4+169=4453/8+4/8=7/8276+531-43=76476×(492-488)=304109×(434-430)=43670×3-131=79399-(340-90)=149255+103-45=313373-317-40=16486-77-284=125434-275=159956+149×3=1403334×(979-972)=2338894-85+501=1310558×(267-264)=1674451-181-265=5756+733-767=72278+153-32=199519+198=71783+770+42=895286-30+88=344764-179=585371-22=349543×4=21725/9-4/9=1/9467+(418-81)=804106+(666-161)=611243×(336-332)=972114+98+235=4472/10+7/10=9/1050+124×3=422658+(503-352)=80976×(494-487)=532424-(409-333)=348122+(178-128)=172164+31×2=226174×4-541=155171+240-38=373859-236×3=15144+34=78599-150=44926+955+290=127128×8=224349-18×2=313196-(216-59)=39709-670+691=730293×3-382=497438-43-152=243228+178-282=12434×6=204274×8=2192407+(214-51)=570647-(600-410)=457488×2=976922-(480+138)=304535-(66+425)=44236-(68+30)=138253-47=206370+(324-49)=645310×3+206=1136117+(173-115)=17542+433-349=126106+(219-88)=237525-478=4747+199-48=198232-210=2262×(349-341)=496297-260+584=621660-184+448=924333+(981-524)=790149×5+567=1312471×2-164=778174×3+304=826196+(339-181)=354146+323-39=430810-157-453=200216+425+597=1238285-(392-225)=118525+373=898741-83×8=77158+177+524=859449×2-737=161479+330+91=900628-491+372=509412-27×8=196502-115×2=272804-312-109=383125×2+31=281438-(465-101)=74284-243=41218-109=10911×2+200=222201×4=804284+690-805=169705+(901-888)=718414-78-181=155476×2-412=54093+346+831=1270377×3=1131351+(298-220)=429192×3=576208-181=27314+10-98=226403-230+321=494729+479×2=168790+36-115=11276×3-780=48180×4=720398-(256-79)=221163+89=252476+859=1335341-(303+19)=19105+240=345723-(714-38)=47105+(321-226)=200242-32=210751-69-245=437442-132+623=933954+595-896=653466+149+264=879141×2=282169+274=443886×(661-654)=6202321×3=9632/10+5/10=7/10124×(220-212)=992478-(11+404)=63336-144×2=48224+(276-116)=384196+276=472347+82-343=8677×(149-141)=616483-317=166358+404×2=1166462-350-67=45893-142-724=27378-101×2=17626×7+726=908414-299+298=413300+(433-299)=434605×(185-182)=1815976+784-49=1711283-59=22492×7+341=98511+(399-324)=86797-(262-34)=569836×9=7524462-423+324=363353-(182+29)=142438-255-48=135771+651-849=573801+249-673=377135×(431-428)=405367+59-180=246382-208+296=470367-13×8=263516+(475-132)=859832-120×3=47292-91+876=877213-(13+41)=159252×2=504647×2-996=298978-56×4=754141+150+593=884717-43×2=631917-168-684=65511×(762-759)=153315+481-378=118134+(419-337)=216375-144=231262-(232-126)=156859-767=92157+600+86=843129×2+509=767888×7=621672+(118-100)=90121+193+707=1021984-(475+108)=401324×9-590=2326591+853+416=186065+380=445687+955-205=1437951-36-134=781716+982-875=823882-(996-527)=413321-110-18=193267+(376-289)=354362-262-100=0402-99-22=2813/8+2/8=5/8981-133-679=169425-(256+165)=4818+229=1047177-12×7=93415-384+49=80832-(462-346)=716736+218+982=1936179+44×3=31118×5+258=348467×2-92=842614+118+523=1255814+(298-83)=1029692-(71+456)=165270-64=206328+102=430785-(134+460)=191459-373+364=450443×9-583=3404913-361-203=349470+(496-412)=554308-(53+97)=15896×5+206=686801+390-658=533874×5-81=4289413-(128+182)=103252-84×2=84966-219+660=1407301-22+425=704712-(222+333)=157315-75-233=71/8+6/8=7/8952-476=476439-(348+25)=66653-43×8=309267-80-105=82277+176+294=747862×(572-568)=3448375-14×6=291507+(572-276)=803262×2-168=356331+109=440408+199+237=844590+397-282=705684-(314+57)=313908-885+56=79200+(717-335)=582694+29-636=8779×9+469=1180793+493-213=107342+32×5=202497-(291+156)=50196-38×5=6471-(239+65)=167614-(373-159)=400341+141=482390-37=353253-20=233238+416+263=917584+23+437=1044623-290+254=587147×3=441381+225+334=94091+(499-384)=206780-202×3=174481-26×7=299361-276=8542×4=16873×(37-28)=65711×(224-221)=33857×6=5142886+372-295=963412×9-957=2751456+91+231=778351-(191+67)=93834-(135-22)=721590-338+803=1055852-(95+663)=94276-(626-422)=72120+514+32=666234+40=274536×3-178=1430527-226=301433-(167+95)=171245-(42+70)=133130×7=91076+392=468442+72×5=802458-(239+93)=126997-(213-70)=854907-(241+85)=58193+175=268166+84=25031×7=21771+30=101406-305+118=219277-(41+118)=118258×(109-106)=774494×5-940=1530470-111×3=13781+480+340=901421-312=109386+46-143=289720-520=200467×5-855=1480124+(848-360)=612744+154-99=799291+193=484272-(346-269)=195520-(172+72)=276607-(195+191)=221420+378+789=1587890-16-213=661410×2=820303+190+39=532449-367+850=932265-(474-310)=101268×(213-210)=804116×(296-291)=580465-441+41=65874+(448-369)=953488-(383+84)=21729-376=353366-10×7=2964/8-1/8=3/838×(443-435)=304105-23=82226-173-51=295+246-34=307369+824+82=1275950+698+139=178788×7=616206-34=172372×2-123=621258+67×3=459204×(249-246)=612282-197-47=38347×8-493=2283466-198-49=219516-500+717=73376×2=152332-104+247=475319+34-194=15999+298-281=116554-64×8=42492-(166+142)=184245×2=490790-(571+75)=14456×8+305=753882-21×5=777219-(420-398)=197377-49×4=181146-39=107218+106=32462×4-199=49227×(485-476)=2043725×6=4350280-(320-177)=137500×5=2500208+721+888=1817127×(87-83)=508701+544=1245434×3-985=317209×3+335=962265×3+115=910717×9-48=6405282×2=56458+90×8=778375+678-610=443467-304=163112×7-388=39686-(66-10)=30361-(463-136)=34430-253=177773-450=323470-67×6=68638-36×2=566616+609+319=1544476-21×7=329850×(653-648)=4250511+183-140=554648-26-208=414144×2=288732×3-710=1486724×4=2896215-(100+20)=95379-134+213=458465-346+358=477849×8-611=6181261-110=151172+279=451339+145×2=629754+308+413=1475435-280+45=20053×4+345=557268-40-191=37409-347=6248×5-176=64192-23-67=102976-94+785=1667122+650+84=856497+(480-379)=598139×3+20=437811+604-154=1261922-254-122=546434×9-482=3424694-30×7=484118×(468-461)=826653+798=1451437+(277-246)=468182+172=354463-(315-229)=377782-558-130=94617-192-120=305932×(813-806)=6524357-179=178660+(404-140)=924556-138+71=4893/5-1/5=2/5975+232-449=758123×8-831=153319-114+239=44438×9-299=43190×4-581=179765-(692-183)=256386-206+523=703256+182-385=53461×2=922646-437+448=657308×2-88=528436-(235-151)=352413×2-684=142363-72×2=219757-38=719744-44+195=895427-381-37=9393-53-229=111436-44×5=216659-21-300=33864-(310-274)=28430-393+280=317911+273×2=1457681-67×7=212628×4-496=2016300×5=1500619-41+48=626880-(450+244)=186828-105+993=1716716+(733-710)=739185+248=433181×4+341=1065186-61=125847×(267-261)=5082345-(429-87)=3323+799=1122212+70×4=4923/7-2/7=1/7292×3=876163+96+207=466644-(296-279)=627476×(220-211)=428425+181-106=100459-(221+183)=55309+(445-67)=687876-(45+639)=192141+200-22=31999+101-107=931/7+2/7=3/7586-43×6=328410-111=299134+92=22669+288-216=1414/7+3/7=1222+269=491755-71×7=258299-(773-678)=204314+(465-43)=736595-(215+209)=171963×(189-180)=8667290-233+345=40227×3+851=932635-401-48=186733-(722-641)=652259×(449-446)=777469-277-22=170496×6=2976477-85×2=307366-(92-78)=352820+172+729=1721372-(192-150)=330347-13=33450×4+350=550633×5-904=2261265-132=133824-(520-273)=5775/7-2/7=3/7483×2-389=577639+99×8=1431218-14×4=162459-(396-27)=90727+858+159=174474+541+742=1357249+679+69=997499+175=674330×(433-430)=990197-21=17630×(172-165)=210193+106×7=935819-(29+788)=2815-615=200499-289+109=319812-138-435=239822×3=2466631+(149-125)=655182×(273-269)=728477×7=3339823+75+16=914133+(497-442)=188161+56-56=161357+133=4902/6+4/6=1925+316-599=642720×3=216026+(412-72)=366341-158+87=270101×(287-279)=808506-209×2=88934-145×3=499231×4=924244-104×2=36141+862+818=1821897×7-856=5423466-96-30=34041+99=14084×6-318=186101+44×2=189324×3=972347×(99-91)=277670+426-171=32576+240=316490-11×6=42418-(88-81)=112/4-1/4=1/4526+116×2=758257×3-751=203/6-2/6=1/639+348-41=346533-(882-859)=510662-287-121=254264+218=482647+645+881=2173168-(282-170)=56924-(140+732)=52154×(145-141)=616265+198+488=951749×6=4494204-135=692/8+6/8=1916+505=1421412-69-94=249345+(451-122)=674104×8-232=600908+(228-20)=1116102×(397-391)=612191+213=40429+222-168=83385-80-24=281211×(268-264)=844829×4=3316347-198=149743+30+237=1010793×2-662=924466-266+459=659574-(156+300)=118203-45+749=907189+128+169=486954-591=363425-(327-295)=393216-88=128399-202-16=181454-(202+169)=83273×8=2184385-88=297291+373+336=1000491-67-290=13421×9-28=161482+(476-250)=708132×7=924345-(133+146)=66882+(198-163)=917550-(41+27)=482394+203=597332-97=235721-43+598=1276642-141-297=204169+295-213=251307+(340-53)=594436-99×3=139294-(106+176)=12259-2