三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦90+78=329+438=67+187=385+(326-221)=201×(846-842)=590-(549-246)=30+378-148=238×2=353+153-271=248+(422-281)=108×9-918=951+560-495=2/7-1/7=363×(560-552)=193+280+302=482-(69+150)=186-119=221×8=519+(901-146)=236+140=203×4+800=45×5+14=247-145=527×8=61+287-22=684-(571+92)=777-449+177=312-180+89=388-87-25=416-168=320-263=259+227-67=108+78=124-(227-213)=265×(56-50)=73+(335-84)=369×2+158=138+(492-390)=387×6-804=805-626-143=214×3=64+263-141=296-(212+30)=428-(197-78)=278×3=543-202-86=219-217+163=265-(875-846)=420+287×2=985-111+410=284+(370-190)=186×2-298=440+341=290×3-220=454-374+593=105+907-685=951+(708-30)=271-153=846-566=996-(51+339)=689-44+731=529-(382+28)=553+(280-207)=171+127+257=200+320+69=438-123+170=114×(29-26)=219+247+72=252×3-475=407-39×4=238-15×7=315-(146-24)=126×(133-127)=942-119×5=724×7-852=168+738=781-316×2=260+119-319=33+465+474=382×2=186×5=386-307=832-312-169=622×8-706=369-29×7=206+95×5=82+58=90+310=389-356=120×(44-41)=766×3-655=97-60+280=513×6-628=437+172=314+(216-47)=560+(255-48)=285+36×3=588-(946-409)=148×(315-309)=467-19=616-(146+106)=273×3-806=73+425=437-(584-171)=425+15-262=103×4-89=329-91×2=229-89+341=273-21-10=197-(278-86)=231×2+397=405-292=289-155=182-107+62=114+(949-494)=27×2+60=958-147×2=682+680-543=120+333-300=446-19-305=482-45+17=903-17=550-(11+456)=634-170+610=98×(456-450)=72×(96-91)=39×(14-11)=118-(204-117)=124×3-350=991×4=165×6=277-(349-88)=675×(390-382)=496+121×3=858-566+499=378-(132+133)=85+(364-320)=738-(974-597)=39+571+926=650-77×6=892+699+58=463+700+58=680-613=363-350+212=178×3-141=149+148+544=505×3-745=270+76=867+228=246+167×3=903+489-941=443-(87+218)=30+76×5=752-154+315=983-(123+531)=188+261+178=668-(633-13)=885-(575-422)=965-102-344=79×5=921-468=274+(646-435)=133+423×2=469-(179+112)=17+42×6=750-259+45=459-(218+10)=791×4-179=292-164+973=904-47×6=373+78-388=84-65+285=64-(80-75)=707-286+693=366+(459-266)=102×4+276=441-(406-99)=300-93×2=248+146-393=493-(15+239)=93×7-452=292-(19+231)=578-257×2=223+217=826-(703-201)=378+374=160+279-113=650-239=149×6-89=881+618+625=2/9+6/9=4/10-3/10=255-12×5=469-272-191=757-(482+153)=237-203+119=69×6=167+246-290=120+94+599=471-40×8=148-(381-258)=639-269-130=944+622+643=410-237=972-378×2=894+953+508=147+340-476=168+357+469=668-564+764=556×7=164×(193-189)=635-161-470=121+180=100+244=93+269+578=929-685=33-16×2=39+92+691=343+(106-101)=203-(34+127)=374-258+155=306-19-195=538-(883-587)=486×3-95=859-108=177+77×5=141×6=414-242-86=452+241×2=40+112=5/8+2/8=952×(704-701)=171-(199-106)=15+287-26=26+(268-192)=65+343+212=906-310-500=96+136=148-27-40=933+342×2=200×5-400=297×7=70×(337-332)=355-85×3=699-331-287=386-69×2=734-288=830+562=285×6=796-714+67=172×2=966-27+808=349-70×2=410-40-164=296×(312-304)=35×(114-106)=983-138×6=372×2+949=321+(161-128)=385-76-299=17+460-268=150×6=981-927=883-(511+215)=3/7-2/7=105×7+499=360×(134-127)=446-101×3=980+837-200=206+879+299=288-(133+51)=582-471=71×2+923=471-(471-145)=676-(952-748)=223×4-269=130-90+355=862-464-102=342-(83-73)=438-122-24=785×(409-405)=406×8-512=820-(533+124)=780-407-164=493-(111+270)=115+132-105=860-(114+544)=277-(481-450)=108+909-659=448+203+457=273-46=4/8-1/8=243×3=4/9-3/9=156+118-52=138×5-240=79+325-257=951-(758-698)=36+441×2=764×4=608-(130+28)=704-(120+513)=106×(372-368)=624+938-774=403-136-158=539-41=421-42-60=5/10-4/10=159-(127+14)=999-(771-627)=857×(494-490)=693+372-784=295+788=222×8-737=453+122+308=877-147-87=58×5-283=42+586+858=354-(40+96)=736+81-68=227+200=67×5-134=296-170-23=710×(773-769)=141×2+312=220+(704-440)=56×7+200=416×2-279=104×9-364=339+454+102=992-225-476=565-21+576=444+(327-107)=975+65×3=527-(318+29)=313+564=222+73+585=769-731=163×(698-694)=564+(634-626)=426-316=939+(943-773)=553-287-148=166+349+301=112×8-871=448-(283-177)=216×(364-357)=148+267-389=73+(612-385)=125×(16-12)=397-296-49=882-(288-152)=245+(213-84)=248+248-111=387-102+77=483-380=105×8=153-110+286=95+(726-228)=456×2=261-95=363+352-646=754+(803-28)=350+109=4/8+3/8=308-(162-161)=866+(569-395)=314-62-45=4/9-2/9=671-305-340=492-55=120×3-279=98×7+23=1/5+3/5=412+(337-62)=220+229=310+647+602=945-169×4=389-(223+18)=103×(38-32)=288-(740-622)=248-93-138=165-(192-190)=210-(482-380)=804-12-402=89+170-138=724-113-363=407×2=176×2=327×(17-14)=434-306=2/6+4/6=502×9-851=370-(787-546)=65+(954-776)=890-208+432=83×6=617-170×3=424+58-295=67×6-314=605+(685-338)=392+322=1/4+2/4=81×7-556=365×(138-133)=938+(137-37)=286+151-223=102+551+190=367-(67+141)=384-35×9=322×2=137+174=497-(82-71)=276+(457-54)=130×4-24=17×5=553-(482-116)=990-(854-455)=220+52×9=255×3-23=122×7=349-(14+178)=904-315×2=793+(898-615)=52+63+172=45×(221-214)=890-(990-654)=320-(175+84)=783+727-674=727-250+415=181×4-306=359+315=473-176-76=80-10×5=230-77=448-316-118=918×(939-931)=20×3+432=392-90-120=31+107×7=113×7+32=907-361-114=331-125=100×9=589-(227+263)=309×8-768=100+991+413=309×9=373-17×4=69×(127-120)=219-87×2=930-431+213=163×6-817=463-463+430=210×5-272=318+494=806+808-987=903-32×3=510-126-209=197-64-82=889+940+971=758-(197+329)=185×8-297=729-175-16=485-17×8=599+(738-731)=65×5+346=152+164=219×3+419=287-121=981-(300+474)=419×9=410-39-169=277+367+17=108×9+90=276×2+93=884×3-804=768+(980-334)=3/7-1/7=689-145×4=778-19×9=909-701+445=207×4=673+(827-409)=461+185×3=928-(29+573)=341×5=674+423+746=691+887+865=440-(85+73)=157-(324-316)=235-123-89=993-90×7=3/5-1/5=233+649-36=366-(337-206)=154-99=668+287+453=996+641-420=425×3-479=452-(128+16)=400-249+108=883+(828-629)=437+(428-172)=487-370+266=145×6-86=699+278-379=395-(178-92)=334+(372-250)=869-(336+421)=139+999+16=527+969+633=667×7=246-(172+49)=478+839-757=941-91×7=206-124=120×3=156-18×8=164×3=478+949-823=318-291+472=206×4-394=309+127×7=419-(28+288)=177-(63-40)=18+203+36=377-(186+144)=479×2-660=288×2-390=424×3=301-220+208=243+159=465-(31+85)=292+975=853-(114+701)=673-275=328-16×9=15×4+297=221+35×8=481+(699-33)=642-240-107=271-(219+17)=986+448-963=269-31×4=722+(942-231)=288×2=426-(94+173)=443-86-277=300×8-811=447×(511-508)=850-(668+15)=246+644+971=747+(700-688)=453-(270-31)=443-(164-135)=163-13×9=949-(888+16)=367-42+184=125+121×8=396-(82+162)=409-(454-332)=480×(868-863)=496-(365+53)=298×3+313=361-124=576-174=18×(475-472)=931-(379-175)=82×9=554×(355-351)=193×4=766×5=149+65-134=860-76+272=454×(182-176)=192-(416-316)=180-159+175=356-22×5=256-(272-143)=192+28×4=599-(968-375)=368+334=156+301-332=297+176=346-61×4=388-205-83=120+(329-125)=2/6+3/6=472-(85+15)=652×(340-336)=936-(716-359)=544-39+637=444-(129+75)=378+99+263=236-44=416-39=1/7+5/7=616-282+15=957×3=463+151=424×(523-515)=456-34×9=294-155+38=253×3-61=309-202=338×2+722=508×2-77=290+219×4=327-118-135=868-777+310=415+(359-194)=91×(451-442)=381+(244-39)=808-287=112+658+393=390-38×2=831-(911-225)=74+194×5=252+397=852×(465-458)=620-262-170=342+177+316=463-451+479=32+450-200=81×(75-71)=923-741=864-827+379=688-146-13=644-(86+39)=95×(182-178)=657×6-261=87-43+321=379+915+527=364+(175-135)=215-144=439×3-146=928+958+97=674×(355-351)=336-33×9=798-74×6=685-(886-678)=394+30+215=417+61+86=273-(85+39)=35×(452-446)=5/6-1/6=102+278=5/7+2/7=359+(443-30)=17×(142-133)=269+181×4=185+74=18+49=951-219×4=792-326=484+(387-103)=1/3+2/3=164+673-511=125+350+891=11×(342-337)=359+(399-268)=317+234=812+471=94+160=469-110+794=821-173-161=48+632-623=116-14×2=275×5=346+540+62=239-71×2=239×4=394+25×6=107+354=337+287+870=388×3-80=918+874=163×(425-422)=899-870=194×4=206-16×9=196-175=160+163=393+77-306=511-202+174=418-(152-148)=60×(90-82)=790+512+387=69+(324-261)=449+179=268×3+149=87×(92-88)=199×4=180-12×8=348×4-931=788-282+600=106×6+201=382+(281-253)=120+68+198=632×6=587-78×3=307+340+142=466+(231-144)=195-(665-471)=575×6-925=284-268=72×8+419=201+749+461=859-170+875=998-210-202=145×5=177+21×4=881-(85+464)=421+426-74=711+(784-357)=229-155-16=450-63-166=378-31=361-318+173=869+897-278=488-270+110=700-197=827-(68+309)=69×2+207=235×2+482=525+239-88=471-(354-28)=3/6-2/6=538+452=210+(401-204)=589×(737-733)=56+152+383=710+205+917=290+48+187=174×(235-232)=784+(997-610)=485-63=13+396-52=42×4+211=289+34-204=565×(374-370)=12×(204-197)=554×4-42=520×6-534=593×4=72+216×3=576×(138-135)=497-98=321-(464-275)=116+(817-263)=979-274=956-(525+251)=815+748+416=117+303=62×(258-250)=3/6+2/6=864-81-301=134×6=48×4=427+64×2=381-211-78=948-351×2=117+166=381-116=302+43-106=725+776+242=43+31-52=669×5=389×2+54=149+(276-209)=218+425+118=937-54=200-(506-473)=138-(362-301)=99+231=711-(414+56)=207+152=363×9=387-128×2=108×6=301-34+91=979-(11+773)=171+301=127+646+19=601+75-102=561-(452-271)=425-(426-329)=900-329×2=765+372-174=120+117=883-56-544=155+292=82+98=200×(266-257)=612×2=71+95×7=839-(443+264)=231+(299-145)=999-121=50+147=499-400+215=304-(48+53)=817×5=688-21×8=270+116=4/7-2/7=510+315×2=299-66-231=243+903-392=933×(625-622)=412-135=154+273-251=409-363+238=500+927-436=483+(483-256)=599-52×5=109×(373-369)=592×8-496=137×6+110=207-113+55=929-225-417=379-75-74=483×2-200=849-91×6=773+405×2=541-245=190×4-534=312-(319-218)=607-270+412=202×3-357=766+493-94=230-176+52=319-199-52=221×(798-790)=296-17×6=445-427=311-42×4=815×3-601=293×8=100×7=978-224-433=1/5+2/5=454-(191+84)=222+15+389=106×(70-65)=140+349=741-232+929=92×5=282+(787-358)=209×3=178+129=327+106=243×4=488-37=178-26×3=253-(301-247)=372-26×4=19×(259-255)=450-245=344-42×4=357+(335-117)=322-190-39=53×8+225=參考答案90+78=168329+438=76767+187=254385+(326-221)=490201×(846-842)=804590-(549-246)=28730+378-148=260238×2=476353+153-271=235248+(422-281)=389108×9-918=54951+560-495=10162/7-1/7=1/7363×(560-552)=2904193+280+302=775482-(69+150)=263186-119=67221×8=1768519+(901-146)=1274236+140=376203×4+800=161245×5+14=239247-145=102527×8=421661+287-22=326684-(571+92)=21777-449+177=505312-180+89=221388-87-25=276416-168=248320-263=57259+227-67=419108+78=186124-(227-213)=110265×(56-50)=159073+(335-84)=324369×2+158=896138+(492-390)=240387×6-804=1518805-626-143=36214×3=64264+263-141=186296-(212+30)=54428-(197-78)=309278×3=834543-202-86=255219-217+163=165265-(875-846)=236420+287×2=994985-111+410=1284284+(370-190)=464186×2-298=74440+341=781290×3-220=650454-374+593=673105+907-685=327951+(708-30)=1629271-153=118846-566=280996-(51+339)=606689-44+731=1376529-(382+28)=119553+(280-207)=626171+127+257=555200+320+69=589438-123+170=485114×(29-26)=342219+247+72=538252×3-475=281407-39×4=251238-15×7=133315-(146-24)=193126×(133-127)=756942-119×5=347724×7-852=4216168+738=906781-316×2=149260+119-319=6033+465+474=972382×2=764186×5=930386-307=79832-312-169=351622×8-706=4270369-29×7=166206+95×5=68182+58=14090+310=400389-356=33120×(44-41)=360766×3-655=164397-60+280=317513×6-628=2450437+172=609314+(216-47)=483560+(255-48)=767285+36×3=393588-(946-409)=51148×(315-309)=888467-19=448616-(146+106)=364273×3-806=1373+425=498437-(584-171)=24425+15-262=178103×4-89=323329-91×2=147229-89+341=481273-21-10=242197-(278-86)=5231×2+397=859405-292=113289-155=134182-107+62=137114+(949-494)=56927×2+60=114958-147×2=664682+680-543=819120+333-300=153446-19-305=122482-45+17=454903-17=886550-(11+456)=83634-170+610=107498×(456-450)=58872×(96-91)=36039×(14-11)=117118-(204-117)=31124×3-350=22991×4=3964165×6=990277-(349-88)=16675×(390-382)=5400496+121×3=859858-566+499=791378-(132+133)=11385+(364-320)=129738-(974-597)=36139+571+926=1536650-77×6=188892+699+58=1649463+700+58=1221680-613=67363-350+212=225178×3-141=393149+148+544=841505×3-745=770270+76=346867+228=1095246+167×3=747903+489-941=451443-(87+218)=13830+76×5=410752-154+315=913983-(123+531)=329188+261+178=627668-(633-13)=48885-(575-422)=732965-102-344=51979×5=395921-468=453274+(646-435)=485133+423×2=979469-(179+112)=17817+42×6=269750-259+45=536459-(218+10)=231791×4-179=2985292-164+973=1101904-47×6=622373+78-388=6384-65+285=30464-(80-75)=59707-286+693=1114366+(459-266)=559102×4+276=684441-(406-99)=134300-93×2=114248+146-393=1493-(15+239)=23993×7-452=199292-(19+231)=42578-257×2=64223+217=440826-(703-201)=324378+374=752160+279-113=326650-239=411149×6-89=805881+618+625=21242/9+6/9=8/94/10-3/10=1/10255-12×5=195469-272-191=6757-(482+153)=122237-203+119=15369×6=414167+246-290=123120+94+599=813471-40×8=151148-(381-258)=25639-269-130=240944+622+643=2209410-237=173972-378×2=216894+953+508=2355147+340-476=11168+357+469=994668-564+764=868556×7=3892164×(193-189)=656635-161-470=4121+180=301100+244=34493+269+578=940929-685=24433-16×2=139+92+691=822343+(106-101)=348203-(34+127)=42374-258+155=271306-19-195=92538-(883-587)=242486×3-95=1363859-108=751177+77×5=562141×6=846414-242-86=86452+241×2=93440+112=1525/8+2/8=7/8952×(704-701)=2856171-(199-106)=7815+287-26=27626+(268-192)=10265+343+212=620906-310-500=9696+136=232148-27-40=81933+342×2=1617200×5-400=600297×7=207970×(337-332)=350355-85×3=100699-331-287=81386-69×2=248734-288=446830+562=1392285×6=1710796-714+67=149172×2=344966-27+808=1747349-70×2=209410-40-164=206296×(312-304)=236835×(114-106)=280983-138×6=155372×2+949=1693321+(161-128)=354385-76-299=1017+460-268=209150×6=900981-927=54883-(511+215)=1573/7-2/7=1/7105×7+499=1234360×(134-127)=2520446-101×3=143980+837-200=1617206+879+299=1384288-(133+51)=104582-471=11171×2+923=1065471-(471-145)=145676-(952-748)=472223×4-269=623130-90+355=395862-464-102=296342-(83-73)=332438-122-24=292785×(409-405)=3140406×8-512=2736820-(533+124)=163780-407-164=209493-(111+270)=112115+132-105=142860-(114+544)=202277-(481-450)=246108+909-659=358448+203+457=1108273-46=2274/8-1/8=3/8243×3=7294/9-3/9=1/9156+118-52=222138×5-240=45079+325-257=147951-(758-698)=89136+441×2=918764×4=3056608-(130+28)=450704-(120+513)=71106×(372-368)=424624+938-774=788403-136-158=109539-41=498421-42-60=3195/10-4/10=1/10159-(127+14)=18999-(771-627)=855857×(494-490)=3428693+372-784=281295+788=1083222×8-737=1039453+122+308=883877-147-87=64358×5-283=742+586+858=1486354-(40+96)=218736+81-68=749227+200=42767×5-134=201296-170-23=103710×(773-769)=2840141×2+312=594220+(704-440)=48456×7+200=592416×2-279=553104×9-364=572339+454+102=895992-225-476=291565-21+576=1120444+(327-107)=664975+65×3=1170527-(318+29)=180313+564=877222+73+585=880769-731=38163×(698-694)=652564+(634-626)=572426-316=110939+(943-773)=1109553-287-148=118166+349+301=816112×8-871=25448-(283-177)=342216×(364-357)=1512148+267-389=2673+(612-385)=300125×(16-12)=500397-296-49=52882-(288-152)=746245+(213-84)=374248+248-111=385387-102+77=362483-380=103105×8=840153-110+286=32995+(726-228)=593456×2=912261-95=166363+352-646=69754+(803-28)=1529350+109=4594/8+3/8=7/8308-(162-161)=307866+(569-395)=1040314-62-45=2074/9-2/9=2/9671-305-340=26492-55=437120×3-279=8198×7+23=7091/5+3/5=4/5412+(337-62)=687220+229=449310+647+602=1559945-169×4=269389-(223+18)=148103×(38-32)=618288-(740-622)=170248-93-138=17165-(192-190)=163210-(482-380)=108804-12-402=39089+170-138=121724-113-363=248407×2=814176×2=352327×(17-14)=981434-306=1282/6+4/6=1502×9-851=3667370-(787-546)=12965+(954-776)=243890-208+432=111483×6=498617-170×3=107424+58-295=18767×6-314=88605+(685-338)=952392+322=7141/4+2/4=3/481×7-556=11365×(138-133)=1825938+(137-37)=1038286+151-223=214102+551+190=843367-(67+141)=159384-35×9=69322×2=644137+174=311497-(82-71)=486276+(457-54)=679130×4-24=49617×5=85553-(482-116)=187990-(854-455)=591220+52×9=688255×3-23=742122×7=854349-(14+178)=157904-315×2=274793+(898-615)=107652+63+172=28745×(221-214)=315890-(990-654)=554320-(175+84)=61783+727-674=836727-250+415=892181×4-306=418359+315=674473-176-76=22180-10×5=30230-77=153448-316-118=14918×(939-931)=734420×3+432=492392-90-120=18231+107×7=780113×7+32=823907-361-114=432331-125=206100×9=900589-(227+263)=99309×8-768=1704100+991+413=1504309×9=2781373-17×4=30569×(127-120)=483219-87×2=45930-431+213=712163×6-817=161463-463+430=430210×5-272=778318+494=812806+808-987=627903-32×3=807510-126-209=175197-64-82=51889+940+971=2800758-(197+329)=232185×8-297=1183729-175-16=538485-17×8=349599+(738-731)=60665×5+346=671152+164=316219×3+419=1076287-121=166981-(300+474)=207419×9=3771410-39-169=202277+367+17=661108×9+90=1062276×2+93=645884×3-804=1848768+(980-334)=14143/7-1/7=2/7689-145×4=109778-19×9=607909-701+445=653207×4=828673+(827-409)=1091461+185×3=1016928-(29+573)=326341×5=1705674+423+746=1843691+887+865=2443440-(85+73)=282157-(324-316)=149235-123-89=23993-90×7=3633/5-1/5=2/5233+649-36=846366-(337-206)=235154-99=55668+287+453=1408996+641-420=1217425×3-479=796452-(128+16)=308400-249+108=259883+(828-629)=1082437+(428-172)=693487-370+266=383145×6-86=784699+278-379=598395-(178-92)=309334+(372-250)=456869-(336+421)=112139+999+16=1154527+969+633=2129667×7=4669246-(172+49)=25478+839-757=560941-91×7=304206-124=82120×3=360156-18×8=12164×3=492478+949-823=604318-291+472=499206×4-394=430309+127×7=1198419-(28+288)=103177-(63-40)=15418+203+36=257377-(186+144)=47479×2-660=298288×2-390=186424×3=1272301-220+208=289243+159=402465-(31+85)=349292+975=1267853-(114+701)=38673-275=398328-16×9=18415×4+297=357221+35×8=501481+(699-33)=1147642-240-107=295271-(219+17)=35986+448-963=471269-31×4=145722+(942-231)=1433288×2=576426-(94+173)=159443-86-277=80300×8-811=1589447×(511-508)=1341850-(668+15)=167246+644+971=1861747+(700-688)=759453-(270-31)=214443-(164-135)=414163-13×9=46949-(888+16)=45367-42+184=509125+121×8=1093396-(82+162)=152409-(454-332)=287480×(868-863)=2400496-(365+53)=78298×3+313=1207361-124=237576-174=40218×(475-472)=54931-(379-175)=72782×9=738554×(355-351)=2216193×4=772766×5=3830149+65-134=80860-76+272=1056454×(182-176)=2724192-(416-316)=92180-159+175=196356-22×5=246256-(272-143)=127192+28×4=304599-(968-375)=6368+334=702156+301-332=125297+176=473346-61×4=102388-205-83=100120+(329-125)=3242/6+3/6=5/6472-(85+15)=372652×(340-336)=2608936-(716-359)=579544-39+637=1142444-(129+75)=240378+99+263=740236-44=192416-39=3771/7+5/7=6/7616-282+15=349957×3=2871463+151=614424×(523-515)=3392456-34×9=150294-155+38=177253×3-61=698309-202=107338×2+722=1398508×2-77=939290+219×4=1166327-118-135=74868-777+310=401415+(359-194)=58091×(451-442)=819381+(244-39)=586808-287=521112+658+393=1163390-38×2=314831-(911-225)=14574+194×5=1044252+397=649852×(465-458)=5964620-262-170=188342+177+316=835463-451+479=49132+450-200=28281×(75-71)=324923-741=182864-827+379=416688-146-13=529644-(86+39)=51995×(182-178)=380657×6-261=368187-43+321=365379+915+527=1821364+(175-135)=404215-144=71439×3-146=1171928+958+97=1983674×(355-351)=2696336-33×9=39798-74×6=354685-(886-678)=477394+30+215=639417+61+86=564273-(85+39)=14935×(452-446)=2105/6-1/6=4/6102+278=3805/7+2/7=1359+(443-30)=77217×(142-133)=153269+181×4=993185+74=25918+49=67951-219×4=75792-326=466484+(387-103)=7681/3+2/3=1164+673-511=326125+350+891=136611×(342-337)=55359+(399-268)=490317+234=551812+471=128394+160=254469-110+794=1153821-173-161=48748+632-623=57116-14×2=88275×5=1375346+540+62=948239-71×2=97239×4=956394+25×6=544107+354=461337+287+870=1494388×3-80=1084918+874=1792163×(425-422)=489899-870=29194×4=776206-16×9=62196-175=21160+163=323393+77-306=164511-202+174=483418-(152-148)=41460×(90-82)=480790+512+387=168969+(324-261)=132449+179=628268×3+149=95387×(92-88)=348199×4=796180-12×8=84348×4-931=461788-282+600=1106106×6+201=837382+(281-253)=410120+68+198=386632×6=3792587-78×3=353307+340+142=789466+(231-144)=553195-(665-471)=1575×6-925=2525284-268=1672×8+419