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405-21-379=247×(260-256)=918-103×8=932×6=96+515+257=515-(381+131)=435-22×3=244+170+406=907+189+314=123+162=502+64+274=268-226+405=547-479-26=355-267+293=863-(469+268)=777-204-54=445-338=119-37+561=125×4+81=288+48=564+995=585-79×6=726×(721-713)=914-38×4=105×(342-335)=796+(976-224)=874-(743-287)=466-(979-551)=696+(362-334)=320×3-636=383-102=30×2+38=309-(441-382)=526-272+761=452-53×4=351-267-62=690×(549-543)=7/10+2/10=476-27×7=551-(838-706)=509-400=472-212+76=330-76=275-75×3=171×3=897-754=386+500-481=234+107=421-240-99=1/5+2/5=350×(153-149)=992-(676+47)=631-485+38=4/6+2/6=4/7+2/7=4/6-1/6=248-220=436-191+865=12+271+184=96×(482-475)=339-(154+141)=960-(654+175)=241+235×4=93×6+878=101+(210-202)=692×6-364=655+200-194=483+(447-103)=764-(667+97)=885-(197+64)=330-111-202=770×2=411×(565-556)=117+(270-164)=369-253+124=412-(72+39)=62×4=181+186-101=54+307=899-442=368×(772-767)=413-318=544+278×2=166×4-316=821-49×7=462×6-30=141+218+313=487-160=5/9-4/9=320+66=182-174+212=599+313+612=192+44+287=967-18=103-(726-725)=165+77=203+136=401+218=47+62=470-(153+201)=24+(403-397)=347-35×2=58+54×2=851-(208+605)=287-134=328-315=418×2-291=789+(976-400)=383-102-107=93×2=229-(299-257)=963-719+255=166+262-171=104+(431-223)=49+371-169=822-11-437=320×7-533=460-177=130+196=118+579=204+188+155=118+(783-319)=287×9=68×8+200=183+144=204-13=368-122-127=231-12+276=820-466=353-338+225=258-237=65×(113-104)=334×2=150-(970-940)=465-(303+14)=897-(698-516)=327-27×4=343-201+263=321×3-444=59-(289-278)=198+(449-386)=279-229=798+(719-635)=311-84=528×7=92×(453-448)=305+141-121=388×(469-461)=4/8-1/8=169+715+40=33×2=743+562=903-(942-65)=860-344-457=354+162×3=914+293×3=851+185×3=210-(19+137)=443-12×9=99+(563-489)=262+46-29=275×2=851+455+734=498-83-75=952×(363-359)=465×5-259=197+171+443=55+291-225=581+976+704=45×8=619×5-941=181-14×5=956-(626-304)=28×(73-65)=265×3-637=326+(405-239)=740-256=249-(192+49)=526+114=220+167=558×(631-622)=793-631-49=915-291×2=321-(27+98)=452×2-209=102×2-159=290-(261-85)=499+(377-213)=85×(105-98)=145×(82-78)=344-197+148=219+423=555×(119-115)=754×6-652=960+321+396=486-327+588=96-(78+10)=155×8-694=638×6-552=338-203=987-296×2=892+950+560=225+87=110×7=143-106=403-(231-117)=250+210=406+29-59=148-(176-158)=479+113×4=235+108-174=311×3+440=98-(126-105)=573+589-296=67+382=279-45×6=66+345=974-632-342=493+485+383=401+359-316=632-12-165=334-(102+170)=311+74×2=172×(895-890)=216-171+244=182×2=924-269×2=868-274+140=287-(375-130)=600+597=436-80×5=93×3+165=359-190=787-727+944=132+330-67=994+236=350+140-347=3/7+2/7=977-(311+284)=331-317+337=183-34=457-(242+84)=487-106-135=960+782-601=420-(157-152)=115+371=51×(219-212)=77+196=301-57×5=147×(136-130)=131-(376-315)=154+456=223-28=566×4=455-49-243=411-221-108=731×(440-431)=476-193×2=1/5+3/5=646-407+617=309×9-26=38+78-38=134×4+514=296×2-311=10+381-348=63×6+208=255+(58-48)=161+269=132-(333-204)=437-(205+200)=541-385+445=2/8+5/8=924+98-269=468-(96+345)=498-(147+183)=336-150-77=238×(317-313)=631×6=343-317=829-575-209=181-(911-742)=438-56=553-(370-116)=72×9=185×(173-164)=21+515-340=3/6-1/6=570-186×2=938×9=140×(187-180)=218×2+694=694+468=124-(106-98)=147+294-88=821-(620-284)=452-23×3=765-(264+371)=52+132=311-16-211=299-133-149=435-111-202=488×7-668=186-110=372-172×2=218-(396-321)=103+356=57+(234-166)=85×6+125=344-(263-129)=657-105×2=305-(154-140)=729×(537-528)=296×2=895-178=197+(879-539)=398-(163-143)=415×2=314+811-191=493-224+34=993+(860-72)=65-53=288×3=423-255+133=757×(751-746)=170+94-193=140+72=399-46×8=164×(116-109)=327-(768-721)=399-23=940-149×6=105+499+21=453×2-849=180-45×3=316-303+17=370-324+282=287-(85-80)=491-60×8=65-14-25=928-29×5=857-68-535=922-902=654+666-481=124×7+70=735-(417-122)=112×2=748×(921-918)=42×(258-249)=146+(387-296)=198+67×4=240×(406-403)=365-351+63=959-427=830-(35+560)=119+298+462=484+233×2=673-98+181=69+267-300=713-74+831=488+(227-218)=345-88-170=790+494=476×7=174+567+18=589-79×2=582+246×4=991-741+636=51×8=958-612+169=425-26×5=364-117-115=3/9+4/9=997+(646-85)=694×6-164=842×3=126×7-327=50×5=165+70×5=308×2+119=937-(725+58)=284+(196-37)=748-58=428+303+183=35×8+130=52×7=311-192+297=114×(357-354)=77+233=749-182=154+100=137+961-864=625+(686-430)=629×3-741=421-394+336=670×8-670=175×7-688=777-(63+150)=600+(655-649)=364-(94+139)=514×2=961+59×9=258×3-714=808-(400-88)=833×(973-965)=407-116-240=248-(59+18)=948-(561+347)=292+258+392=131×5+238=333-38×2=360-(531-493)=353+(109-74)=649+737+654=724-244×2=832-78-428=493+780+520=157×4=163-74-66=330-(254+11)=280×2+584=64+307-25=14×(139-131)=373-162-81=969-653+124=647-(236+116)=732-215-421=426-348=208-125+194=174-19×2=291×2-60=350+324+170=60×(463-460)=450-(469-348)=329-(249+46)=424-283=550-(393-377)=846+(857-727)=835×(19-13)=32+(327-281)=172×7=76+(365-242)=97×2=663-(373-247)=1/9+2/9=716-113×6=301-171+257=54+123=826-247=14×5=418-128-45=227×4=666+139-548=730-(504+114)=175+258=381+973+479=32×2=141+69+264=838-239×3=586+761+178=182+647-230=232×4=880×2=177×4=863-187×2=395-36-144=96+(408-186)=567-437+152=227+73-196=370+117-469=381+63×4=649-310=798+43-128=901+65×4=57×(141-134)=160-(215-124)=843×7-142=38×(186-178)=315+(116-34)=89×(180-171)=416×2=169+322+401=560-(181+130)=111×(185-179)=23+994-676=560×(547-538)=658×2-241=115+99×4=236-12+75=929-92+748=765+961=127×2-124=77×6+348=732×2-793=732×(68-61)=122-104=473-192+119=621×(928-919)=963+(445-109)=142×(296-293)=177+118=294-(281-230)=737-107-567=652+(524-481)=378-14-30=242+(187-145)=176×5-736=150×(206-203)=519×(175-166)=283+109=937-113+984=162+43=459×2-903=850-426+944=250-33×6=289-(191-72)=467-362+96=136×2=980+913-17=404+485+71=200×2-98=86×9=213×4-573=311-296=950+(564-260)=141×6-37=373-14×8=922-288-209=230×2+474=382-94×3=701×5=176×(89-84)=928-589-326=333+665+198=601+915-938=843×2-135=875×7-557=764-(279-246)=866-62=552×8-727=797-(520-217)=397+188×3=196-(291-95)=56×6-72=214-(89-57)=157+317-389=104+61×8=480+932-423=945-(605+254)=119×6-470=219-104+45=154+537+297=470-264=290-66=950-(417-95)=422×2-624=399-220+619=401-189=522-(793-540)=620-558=467-248+98=121×(75-72)=3/5-1/5=103×(188-182)=460×(748-745)=6/9-1/9=434+733-749=500+200=408-(983-796)=670-496=687-194-167=69+386=431-328+51=420×2+525=742-(839-587)=937-354+733=435-(484-396)=139+358=5/8-2/8=398+942-996=240-105+42=425-(72+156)=351+23+186=401-93-111=41+59×5=125+375-220=392+32×6=107×5=2/7-1/7=713+475+588=995-261×2=370-22+258=820-(474+295)=126×7+116=794+324-535=179+795+325=397-130+106=409-174=428+(385-380)=272+(615-267)=461-421+363=92×9=611-125×3=268-121+28=700+975+905=883+215-724=981-55=442+84×4=462-107-287=851-62×2=25+859+299=466-(30+364)=888-566-176=406+269×2=557×(322-314)=138+434+180=299-136-152=950-130×2=158×6=963+76×2=830-50×8=642+132+223=265+27×9=300+270+241=422×(254-247)=818+(974-357)=54×2-52=104+(129-119)=129+(431-263)=473+502=466-233-99=2/8+4/8=453-190-209=277+41+558=759+537=855-400+283=417-19=835-144×4=185-(324-152)=342×8-776=384+150+390=47×5=633+184=62+347=106-60=650-(388+65)=138×6=42+167+773=746-(100+393)=390-(253-117)=268+103-158=130-(420-300)=362+107-47=686+134=188+36=433-174-112=138+(741-687)=386-87×3=317+190=180+194=487×2-361=225×3-81=250×3+83=282+311+793=461-(292+110)=486-(203+262)=414-138×3=391+(444-91)=940-20×2=383+452+366=499-(195+214)=499-(361-317)=288×4-172=168+83=70+689+288=402×5=499-158=92×7-39=806+148×3=230-(48+167)=470-179×2=819+282+919=345+(207-176)=684-(85+562)=175+211+466=245×4-759=907×5-618=470+30-387=204×2=12+282-174=270×3-368=93×7+519=27+(949-718)=931+(839-559)=511-56-146=993×3=662-262+215=429-354=525-173×3=548+272=45×4=165+382-89=679-307+449=176×(130-127)=771-(217+497)=5/8-1/8=661+952=499-131-100=444-(883-745)=33×5=656+937+796=103+803-781=100×9=370-(100+220)=226-(290-84)=165+804+743=38+457-130=183+(976-622)=476-(303+13)=252×2+389=78×7+285=404+(399-365)=423-75×3=707-339-213=114×7-682=273+218-408=932+282-108=963-18×9=779+783-218=411-169=382-41×6=509-413+953=90+51=471-(236+184)=411-(444-191)=446-117-60=367-89-104=682+294-392=4/7-2/7=191×2=232×7-95=217-76+48=101×(70-62)=348+136-143=309-(515-490)=935-101-467=606+(374-126)=167+235+382=562+645+165=867+(326-36)=572-145=111+86×9=69×9+604=333-16×6=462×2+45=328-(203+31)=933+32×8=861-336-185=730+805+375=32+56=414+(434-106)=405-(271+33)=119+204+111=854+577+231=200+(369-318)=788×6=340×4=60-23×2=493-103×2=355×6-672=496-120×4=720-288-320=237-225-12=758+528-338=549+147=932-(699-295)=19+133-103=380×2-593=5/7+2/7=442-(268+78)=253-(185-109)=399×2-537=94+379=59+48+196=98+(428-47)=305+536+427=204+(967-679)=1/3+2/3=125×(90-86)=307+(948-203)=453-(161+284)=188-(10+154)=438-297+338=494+(396-226)=973+417-866=844-(98+735)=31×4=53×(89-80)=165×8=418-61-340=32+131-12=387-69-71=847-400-272=78×7+28=483-(81+87)=3/5-2/5=897-327=59+173×4=671-(364-260)=344+252+209=108+(499-496)=622-163=372×2+997=468+221=411-10×6=67×(235-230)=716-30=865×6-222=893-(483+71)=239×7-264=86×8+272=841-180-316=98×6-137=81+261-248=224×2=244-117+638=992-709+409=967-(152+489)=600+(957-114)=87+409-409=54×(146-139)=645-431=103+165×5=494-89×5=11×3+469=331-(161+71)=489-313=282-(234-133)=309+977-899=878×(686-679)=4/6-2/6=333-13×3=111×5+302=975-(259+615)=65+(258-251)=830-470-282=723-(599+16)=428+323×2=314+435=283+(351-228)=905×5=79+(973-776)=312+300+388=277×7=84×9-336=377+165+99=160-144=52×2=250×(362-359)=446×(729-723)=33×9-145=17+144+392=931-66-502=238+(386-330)=119-(191-140)=参考答案405-21-379=5247×(260-256)=988918-103×8=94932×6=559296+515+257=868515-(381+131)=3435-22×3=369244+170+406=820907+189+314=1410123+162=285502+64+274=840268-226+405=447547-479-26=42355-267+293=381863-(469+268)=126777-204-54=519445-338=107119-37+561=643125×4+81=581288+48=336564+995=1559585-79×6=111726×(721-713)=5808914-38×4=762105×(342-335)=735796+(976-224)=1548874-(743-287)=418466-(979-551)=38696+(362-334)=724320×3-636=324383-102=28130×2+38=98309-(441-382)=250526-272+761=1015452-53×4=240351-267-62=22690×(549-543)=41407/10+2/10=9/10476-27×7=287551-(838-706)=419509-400=109472-212+76=336330-76=254275-75×3=50171×3=513897-754=143386+500-481=405234+107=341421-240-99=821/5+2/5=3/5350×(153-149)=1400992-(676+47)=269631-485+38=1844/6+2/6=14/7+2/7=6/74/6-1/6=3/6248-220=28436-191+865=111012+271+184=46796×(482-475)=672339-(154+141)=44960-(654+175)=131241+235×4=118193×6+878=1436101+(210-202)=109692×6-364=3788655+200-194=661483+(447-103)=827764-(667+97)=0885-(197+64)=624330-111-202=17770×2=1540411×(565-556)=3699117+(270-164)=223369-253+124=240412-(72+39)=30162×4=248181+186-101=26654+307=361899-442=457368×(772-767)=1840413-318=95544+278×2=1100166×4-316=348821-49×7=478462×6-30=2742141+218+313=672487-160=3275/9-4/9=1/9320+66=386182-174+212=220599+313+612=1524192+44+287=523967-18=949103-(726-725)=102165+77=242203+136=339401+218=61947+62=109470-(153+201)=11624+(403-397)=30347-35×2=27758+54×2=166851-(208+605)=38287-134=153328-315=13418×2-291=545789+(976-400)=1365383-102-107=17493×2=186229-(299-257)=187963-719+255=499166+262-171=257104+(431-223)=31249+371-169=251822-11-437=374320×7-533=1707460-177=283130+196=326118+579=697204+188+155=547118+(783-319)=582287×9=258368×8+200=744183+144=327204-13=191368-122-127=119231-12+276=495820-466=354353-338+225=240258-237=2165×(113-104)=585334×2=668150-(970-940)=120465-(303+14)=148897-(698-516)=715327-27×4=219343-201+263=405321×3-444=51959-(289-278)=48198+(449-386)=261279-229=50798+(719-635)=882311-84=227528×7=369692×(453-448)=460305+141-121=325388×(469-461)=31044/8-1/8=3/8169+715+40=92433×2=66743+562=1305903-(942-65)=26860-344-457=59354+162×3=840914+293×3=1793851+185×3=1406210-(19+137)=54443-12×9=33599+(563-489)=173262+46-29=279275×2=550851+455+734=2040498-83-75=340952×(363-359)=3808465×5-259=2066197+171+443=81155+291-225=121581+976+704=226145×8=360619×5-941=2154181-14×5=111956-(626-304)=63428×(73-65)=224265×3-637=158326+(405-239)=492740-256=484249-(192+49)=8526+114=640220+167=387558×(631-622)=5022793-631-49=113915-291×2=333321-(27+98)=196452×2-209=695102×2-159=45290-(261-85)=114499+(377-213)=66385×(105-98)=595145×(82-78)=580344-197+148=295219+423=642555×(119-115)=2220754×6-652=3872960+321+396=1677486-327+588=74796-(78+10)=8155×8-694=546638×6-552=3276338-203=135987-296×2=395892+950+560=2402225+87=312110×7=770143-106=37403-(231-117)=289250+210=460406+29-59=376148-(176-158)=130479+113×4=931235+108-174=169311×3+440=137398-(126-105)=77573+589-296=86667+382=449279-45×6=966+345=411974-632-342=0493+485+383=1361401+359-316=444632-12-165=455334-(102+170)=62311+74×2=459172×(895-890)=860216-171+244=289182×2=364924-269×2=386868-274+140=734287-(375-130)=42600+597=1197436-80×5=3693×3+165=444359-190=169787-727+944=1004132+330-67=395994+236=1230350+140-347=1433/7+2/7=5/7977-(311+284)=382331-317+337=351183-34=149457-(242+84)=131487-106-135=246960+782-601=1141420-(157-152)=415115+371=48651×(219-212)=35777+196=273301-57×5=16147×(136-130)=882131-(376-315)=70154+456=610223-28=195566×4=2264455-49-243=163411-221-108=82731×(440-431)=6579476-193×2=901/5+3/5=4/5646-407+617=856309×9-26=275538+78-38=78134×4+514=1050296×2-311=28110+381-348=4363×6+208=586255+(58-48)=265161+269=430132-(333-204)=3437-(205+200)=32541-385+445=6012/8+5/8=7/8924+98-269=753468-(96+345)=27498-(147+183)=168336-150-77=109238×(317-313)=952631×6=3786343-317=26829-575-209=45181-(911-742)=12438-56=382553-(370-116)=29972×9=648185×(173-164)=166521+515-340=1963/6-1/6=2/6570-186×2=198938×9=8442140×(187-180)=980218×2+694=1130694+468=1162124-(106-98)=116147+294-88=353821-(620-284)=485452-23×3=383765-(264+371)=13052+132=184311-16-211=84299-133-149=17435-111-202=122488×7-668=2748186-110=76372-172×2=28218-(396-321)=143103+356=45957+(234-166)=12585×6+125=635344-(263-129)=210657-105×2=447305-(154-140)=291729×(537-528)=6561296×2=592895-178=717197+(879-539)=537398-(163-143)=378415×2=830314+811-191=934493-224+34=303993+(860-72)=178165-53=12288×3=864423-255+133=301757×(751-746)=3785170+94-193=71140+72=212399-46×8=31164×(116-109)=1148327-(768-721)=280399-23=376940-149×6=46105+499+21=625453×2-849=57180-45×3=45316-303+17=30370-324+282=328287-(85-80)=282491-60×8=1165-14-25=26928-29×5=783857-68-535=254922-902=20654+666-481=839124×7+70=938735-(417-122)=440112×2=224748×(921-918)=224442×(258-249)=378146+(387-296)=237198+67×4=466240×(406-403)=720365-351+63=77959-427=532830-(35+560)=235119+298+462=879484+233×2=950673-98+181=75669+267-300=36713-74+831=1470488+(227-218)=497345-88-170=87790+494=1284476×7=3332174+567+18=759589-79×2=431582+246×4=1566991-741+636=88651×8=408958-612+169=515425-26×5=295364-117-115=1323/9+4/9=7/9997+(646-85)=1558694×6-164=4000842×3=2526126×7-327=55550×5=250165+70×5=515308×2+119=735937-(725+58)=154284+(196-37)=443748-58=690428+303+183=91435×8+130=41052×7=364311-192+297=416114×(357-354)=34277+233=310749-182=567154+100=254137+961-864=234625+(686-430)=881629×3-741=1146421-394+336=363670×8-670=4690175×7-688=537777-(63+150)=564600+(655-649)=606364-(94+139)=131514×2=1028961+59×9=1492258×3-714=60808-(400-88)=496833×(973-965)=6664407-116-240=51248-(59+18)=171948-(561+347)=40292+258+392=942131×5+238=893333-38×2=257360-(531-493)=322353+(109-74)=388649+737+654=2040724-244×2=236832-78-428=326493+780+520=1793157×4=628163-74-66=23330-(254+11)=65280×2+584=114464+307-25=34614×(139-131)=112373-162-81=130969-653+124=440647-(236+116)=295732-215-421=96426-348=78208-125+194=277174-19×2=136291×2-60=522350+324+170=84460×(463-460)=180450-(469-348)=329329-(249+46)=34424-283=141550-(393-377)=534846+(857-727)=976835×(19-13)=501032+(327-281)=78172×7=120476+(365-242)=19997×2=194663-(373-247)=5371/9+2/9=3/9716-113×6=38301-171+257=38754+123=177826-247=57914×5=70418-128-45=245227×4=908666+139-548=257730-(504+114)=112175+258=433381+973+479=183332×2=64141+69+264=474838-239×3=121586+761+178=1525182+647-230=599232×4=928880×2=1760177×4=708863-187×2=489395-36-144=21596+(408-186)=318567-437+152=282227+73-196=104370+117-469=18381+63×4=633649-310=339798+43-128=713901+65×4=116157×(141-134)=399160-(215-124)=69843×7-142=575938×(186-178)=304315+(116-34)=39789×(180-171)=801416×2=832169+322+401=892560-(181+130)=249111×(185-179)=66623+994-676=341560×(547-538)=5040658×2-241=1075115+99×4=511236-12+75=299929-92+748=1585765+961=1726127×2-124=13077×6+348=810732×2-793=671732×(68-61)=5124122-104=18473-192+119=400621×(928-919)=5589963+(445-109)=1299142×(296-293)=426177+118=295294-(281-230)=243737-107-567=63652+(524-481)=695378-14-30=334242+(187-145)=284176×5-736=144150×(206-203)=450519×(175-166)=4671283+109=392937-113+984=1808162+43=205459×2-903=15850-426+944=1368250-33×6=52289-(191-72)=170467-362+96=201136×2=272980+913-17=1876404+485+71=960200×2-98=30286×9=774213×4-573=279311-296=15950+(564-260)=1254141×6-37=809373-14×8=261922-288-209=425230×2+474=934382-94×3=100701×5=3505176×(89-84)=880928-589-326=13333+665+198=1196601+915-938=578843×2-135=1551875×7-557=5568764-(279-246)=731866-62=804552×8-727=3689797-(520-217)=494397+188×3=961196-(291-95)=056×6-72=264214-(89-57)=182157+317-389=85104+61×8=592480+932-423=989945-(605+254)=86119×6-470=244219-104+45=160154+537+297=988470-264=206290-66=224950-(417-95)=628422×2-624=220399-220+619=798401-189=212522-(793-540)=269620-558=62467-248+98=317121×(75-72)=3633/5-1/5=2/5103×(188-182)=618460×(748-745)=13806/9-1/9=5/9434+733-749=418500+200=700408-(983-796)=221670-496=174687-194-167=32669+386=455431-328+51=154420×2+525=1365742-(839-587)=490937-354+733=1316435-(484-396)=347139+358=4975/8-2/8=3/8398+942-996=344240-105+42=177425-(72+156)=197351+23+186=560401-93-111=19741+59×5=336125+375-220=280392+32×6=584107×5=5352/7-1/7=1/7713+475+588=1776995-261×2=473370-22+258=606820-(474+295)=51126×7+116=998794+324-535=583179+795+325=1299397-130+106=373409-174=235428+(385-380)=433272+(615-267)=620461-421+363=40392×9=828611-125×3=236268-121+28=175700+975+905=2580883+215-724=374981-55=926442+84×4=778462-107-287=68851-62×2=72725+859+299=1183466-(30+364)=72888-566-176=146406+269×2=944557×(322-314)=4456138+434+180=752299-136-152=11950-130×2=690158×6=948963+76×2=1115830-50×8=430642+132+223=997265+27×9=508300+270+241=811422×(254-247)=2954818+(974-357)=143554×2-52=56104+(129-119)=114129+(431-263)=297473+502=975466-233-99=1342/8+4/8=6/8453-190-209=54277+41+558=876759+537=1296855-400+283=738417-19=398835-144×4=259185-(324-152)=13342×8-776=1960384+150+390=92447×5=235633+184=81762+347=409106-60=46650-(388+65)=197138×6=82842+167+773=982746-(100+393)=253390-(253-117)=254268+103-158=213130-(420-300)=10362+107-47=422686+134=820188+36=224433-174-112=147138+(741-687)=192386-87×3=125317+190=507180+194=374487×2-361=613225×3-81=594250×3+83=833282+311+793=1386461-(292+110)=59486-(203+262)=21414-138×3=0391+(444-91)=744940-20×2=900383+452+366=1201499-(195+214)=90499-(361-317)=455288×4-172=980168+83=25170+689+288=1047402×5=2010499-158=34192×7-39=605806+148×3=1250230-(48+167)=15470-179×2=112819+282+919=2020345+(207-176)=376684-(85+562)=37175+211+466=852245×4-759=221907×5-618=3917470+30-387=113204×2=40812+282-174=120270×3-368=44293×7+519=117027+(949-718)=258931+(839-559)=1211511-56-146=309993×3=2979662-262+215=615429-354=75525-173×3=6548+272=82045×4=180165+382-89=458679-307+449=821176×(130-127)=528771-(217+497)=575/8-1/8=4/8661+952=1613499-131-100=268444-(883-745)=30633×5=165656+937+796=2389103+803-781=125100×9=90