三年級數(shù)學(上)計算題專項練習附答案集錦

三年級數(shù)學(上)計算題專項練習附答案集錦959-(254-228)=485-246+134=423-79×5=55+(487-43)=222×4-29=436-(397-308)=5/8-1/8=14×(721-716)=930+802+822=245+247+345=152-(128-104)=124×6+38=30×7=758×(85-79)=98+126=497-(77-50)=368+87-148=896+(342-34)=330-177+107=284+58=52×(398-390)=453+615-765=454×2+360=7/10+2/10=628-157=776-196+871=495+179+653=626-38-565=310+800=229-210=669-384=440+111×6=790-459-132=218+28+512=84×4=32×4+220=238×2-355=40+80-76=469-(196+49)=783-(221+372)=303-193+39=172-(460-302)=819-457-185=863+694=267-(135+69)=336-196+170=130-84+199=178+539+41=94×2=343+112-386=59×3=294-229+258=999+533-580=887+397=74×8+490=206+(484-119)=827-281-92=115-104+259=967-909+374=103+192=702×6=90×4-286=142+409+346=146+306-334=10+189+735=503+227-483=637-(359-328)=458-(848-751)=785-21×9=454×2-608=102+(376-324)=523-431-42=493-(278+146)=432-28×9=470-425=485-(392+53)=423-(245-34)=263-(177+63)=183×4=749×3=145×3-374=468-(86-82)=146×(112-106)=161×6=391-39×3=189+156=88×7=645-477+230=847-364-453=292×(472-467)=473-188-93=273×7-191=12+272×2=986+497+118=129+228=313+(487-422)=806-640=576+956+935=74×5+330=465-334+75=220-(53+47)=951-70×6=295+142+496=965-75×6=271-116-88=137×(218-210)=992-639-187=441-(118+135)=455-(205+246)=66+(953-808)=337×5-373=740+226+403=326-41×5=671+369+744=123×(146-141)=29+374+724=487-40-315=270-60×4=80+369-26=108×(24-15)=117+556-42=933+514-87=453-(423-109)=2/8+3/8=779-(529+62)=189+(957-365)=523×8=272+221×2=431-190+127=274-(268-21)=118+284=83×4-132=326-261=74+842+31=303×4-152=330-(492-178)=128+300=90×6+217=335-179-107=107+279+610=385+110-248=631+533+692=464+340-785=345-(87+10)=183+226=871-112-677=644×(742-736)=2/8-1/8=741-126+878=59-11×4=989-306×3=190-83+93=77×(125-122)=325-(89+180)=213+364+468=6/8+2/8=269+193=170+(396-195)=175-(84-40)=74×(102-93)=666-(928-764)=216×8-653=28×9=288+307=345×(495-487)=178×5=202+211=691×5-172=324×(473-469)=418+(182-171)=303+(576-67)=295+(718-300)=45×4-95=909-793-39=533×(235-231)=790-50-659=425×8=340-25-59=321×3-261=67×6+164=160+168+652=5/7+2/7=394+(121-52)=529+124+324=406×(232-224)=543+242+196=356-191-33=903-27×6=677-(239+363)=808+(954-919)=792+(806-592)=522+192+141=57×(375-371)=29+113=699×5-825=955-(90+256)=413-70×4=139+549+191=616-418-113=356+(960-400)=332×3=439-(467-219)=397×4-880=551+376+764=482+(202-120)=739-(865-196)=734-58×7=3/8-2/8=935-364-234=345+80=414-(322-186)=154×4=337-(136-112)=90×4+482=397-167×2=76+88-78=162+170×3=885+810+381=501-344+594=145+655+97=472×9=3/6-2/6=494×7-640=96+292-225=267×3-242=400+218×2=188+340+365=101+731-507=488-11-159=103+173=178+222=63+292=417-361+186=917+925=780-(49+498)=109×(476-470)=172+227×3=489-39-295=167+293-88=458-(407-45)=25+(233-76)=900-(444-422)=407+549-915=3/8+2/8=311-(344-34)=611+863-513=262+(116-21)=406-352=495-50×5=375×(50-43)=281+93=437+(182-60)=227-21×3=112+73+60=920-(347-182)=217+125-286=246+(165-156)=283-265=418-45×2=985-37×5=702-(404+179)=850-45×6=347+(240-20)=415-24-344=910×8=850×(958-955)=908×(661-653)=680×2=250+230×4=432-(35+157)=957-(600-292)=1/6+2/6=462+385-260=432-130-153=905-178+934=495+178+311=138×4+67=158+168=119-(27-16)=888×9-775=478+771-63=99×5+589=83+208-209=572+415×2=871-629-116=944-265-390=133×3=798-406-109=948-473=858-186+109=267+14-276=170+(480-244)=401+13×8=396-(904-779)=184×(757-748)=438-(107-70)=157+21-145=259×(497-488)=40×(208-199)=487-(114+111)=164+908-88=1/3+2/3=33×8=337-(208-187)=226+236×3=411-36×5=510+289+469=249×3=952-376-72=636×3=39+641+308=729-(104+314)=956×2=305-(245-176)=283-(466-364)=122+(264-79)=172-(244-193)=319-19×3=402-24×3=692×8=36+(347-297)=458-79×4=76+(511-285)=283×2-292=71×9-353=465×8-390=367-112+47=15+325-271=512-(556-92)=482-124-139=464-(454-56)=86×7-538=394+292=458-231=826-(449+52)=453+606=215+126=401-(519-433)=64×(158-152)=874-33-793=96×8+694=304+142-72=883×4=194+(995-793)=505-(36+281)=346×8=68+66-94=791-(681-665)=432-56=37+(514-206)=575×9-144=456+(96-81)=289×5-227=396-363=655+127-489=154+166×2=940-201+652=337×3=223×3-93=360-78×3=95+80×3=153-105+294=30×8-150=80×(305-297)=875-367-106=334-43×6=158×2=783-(806-257)=356-(23+281)=861-243-180=173-(27+30)=118×7-758=29×(517-513)=388-(471-289)=721+96+42=352-(351-12)=415-28×4=323×5-566=184×3=739-67-308=328+87=368-173=460-411=555-468=177-(183-146)=132×(532-527)=285×(227-224)=941-868=401+237+350=549-205=670-(803-441)=42+93=285-32×4=41+311-253=431-127-116=918-515-23=331-(201+85)=588+126-424=805-559-45=590+61×3=475-151×2=463+399-256=231×4-64=459-(336-235)=356-157=379×8=564+120×3=29+83=436+247+270=461×2+16=453+47×2=190+141-327=235+815-259=313+(415-233)=782-(358+366)=15×8=489+(442-247)=5/9-4/9=481×2-536=493-469=179+163=168+171-287=234+(356-307)=461×8=212+(318-258)=66×2=561+215+209=460-79×2=414+(388-135)=880-45+947=833-(408+406)=37×8=781-(112+28)=108+373=753-(244+258)=337-105=899-(922-817)=731×(387-382)=931-(237+595)=40×(183-176)=685+(620-338)=55-31=895-86×2=197+83=716-485+747=114-(40-36)=467-(275-21)=897+698-501=886-135×6=486-215-88=916-(521+214)=738-(120+291)=743-22×4=242×5=37×2=80-13×3=378-49×6=344-(150+61)=86×5=277×2=337-10-40=176+(425-323)=142×7-431=59×4+891=499+931+635=19+106=106×6+152=278+405+103=122×(947-939)=273×8-107=524+(946-255)=453-386=143-17×7=460+33-64=217+526=874-60=517-24+224=124-10×6=443-(136+156)=187+(452-260)=355-(144+66)=929-(499+19)=762-331+423=275×2-187=436×3-316=46×(461-453)=19×(149-142)=491+40×3=219+572=136×2=483-190-255=649+404=342+(349-75)=344+379+117=385-168=511-(820-324)=841×6-199=805-523-148=223-30×2=46×(442-435)=631-(69+500)=339×5=112×2+173=645+(765-641)=830+809-292=531×7=1/7+4/7=271+529=641+54+102=971+956=780-140-477=234×(240-236)=474-306+267=2/4-1/4=853-636+91=456-(111+38)=273-43+253=360+(647-227)=365-268=774+77×5=720-329×2=82×2-102=116-93+114=237+274=60×3+135=316+14×2=360-(11+179)=61+211+535=104+77+545=844-331=198+(334-279)=3/8+4/8=1/6+3/6=619-175+992=36×7=301-120-64=802+600+347=63×7=126+(425-124)=743+583+812=406+(813-247)=40×(448-442)=113-44=745×5-704=99×8-606=987-283-207=687-(258-117)=411+30-404=696×3=183-112=171+647-653=362+329-149=499-46×7=497-(145+297)=440-418+304=489-155×2=398-(390-126)=2/8+4/8=506-(699-470)=404×2+663=424-33×6=80+41×5=962+724=606+(872-104)=108+370-364=369-346=251×3-480=145×5=829+735+15=799-175+198=712-(834-537)=482-457=53+300+595=408×2-380=899-596+335=594-75×2=258-122=461+988+423=31×(197-192)=203×3-179=353+98×3=460-(47+380)=24×5+243=611-22+975=593-37×3=7/10-3/10=521+285=989-(420-418)=470+451×2=438-306+211=456×2+486=400+803=308×2-483=103×8+820=33+429-156=314-26+16=758+(971-895)=481-222=927-227-326=214-(23+55)=61×(228-220)=640-208×3=892-633=450-180-88=943+(734-308)=981-432+910=545-313=340×7=114×6+625=798+(450-188)=126×5-191=141+89=536-103=64+(498-441)=112×3=385+103-367=15×(232-229)=11×2+440=393×9-674=942-(550+190)=132×(464-457)=809×(680-671)=2/5-1/5=320×2-206=45×8+493=790×4=395-121=639+606-644=801×4-299=204-173+143=884+(858-723)=309×3-334=277+105=999-921=923-218×4=497-133=390-(156+21)=330+(612-376)=240+202-392=958+610+536=135×4=419-(95+108)=394-165-40=71×7+268=876-189×2=437-17-348=825+105-700=424-33-147=421-25=274×3+728=236×9-303=453-113-35=62-54+438=482×4=419-267=245×4-256=449×8=194+152+510=367-(92+22)=420+(331-226)=447-(464-206)=220×4+450=835×4=327-(15+47)=164+170=491-15×5=402-136=839-460+990=867-79×9=331+(425-99)=148+525-194=481-61×7=439+(760-301)=328-181-63=477-135+346=973-(997-384)=815-(138+626)=459-153-150=804-404=42-(98-87)=397+93+60=152+162=944-61+860=245×3=4/8-2/8=850×7=719-(793-747)=729+(859-533)=164×(172-166)=922-815+801=419+238×4=237-146+321=417-75-80=194-(350-246)=266+53×4=47-45+183=370-234+12=738-(374-266)=183+72=460-137=619+175-165=581+288=129+44×8=675×(195-187)=367+92=487-45-152=450+413+766=410-29×6=55+59=393-18-355=1/5+2/5=257+(232-96)=739-310+982=58+142-92=60+419-278=276-168=491-(304+69)=406×5-420=468+465-91=76+164-26=416-(45+94)=126-19×2=875-615=33×(51-47)=629×8=235+483-171=844-191×4=270+30-116=52×2-37=508-208+305=4/5-1/5=251×(826-819)=449-29-296=666×(710-704)=484×(834-826)=83+226=280+183+150=64×(490-482)=322+98-200=302+27×4=753-213=68+110×2=77+52=710-201×3=581-(86+261)=233-(24+75)=211×8=994-159+521=180-93-60=234+33×7=460-(10+34)=16×(18-14)=875+326×3=773+200+551=165-13-91=951+634-57=213-203+53=262-35=149-65=583+240×2=52×(251-247)=455-(446-347)=645×(391-382)=731-(63+476)=33×(380-373)=49+133-119=995-(332-263)=332+337+102=192×4-702=339-27×6=100×4-88=45+92-17=255+(450-418)=741-261=397-110-170=430+301+225=491-36×5=30×(904-895)=193-112=203+620+53=774-473=175+222=306-(425-323)=90×9-357=921-580+527=553+119=113+124=273+90=67×3+317=123×5-507=269+166-47=402-81-253=443-79=790×8-454=387-(277+93)=837×9=219+717+321=72×(126-122)=784+100+24=955-311-229=426-391+68=668-356+116=695+120=225-179+246=391-92=174×(705-702)=486-30+26=97+369+713=59+161=415+29×7=729-(833-757)=437+(421-42)=212+331+278=762-420=396×2=292-130+160=268-29=986-49=49×3+358=573+(839-116)=891+933+515=320-(46+163)=934×(269-264)=117-11+171=862-(153+301)=703×5-525=78×9-535=19×7+244=55×(139-130)=712-206+833=352-95=491-74×2=850-41×7=146+210=132×(416-413)=531-(149+349)=825-52×4=928-307-415=557-(63+15)=769×4-242=793-657+294=73+(486-412)=938-(484+139)=42×(57-52)=128+(411-308)=418-(381+19)=451-13-335=91×4+226=73+197=82×(295-289)=730×4-180=4/6-1/6=91×5=53+312+141=87+274=120-18×2=198-115=365×2=123-17×3=2/6-1/6=93-50=425-98+86=162-132=438-(219-183)=參考答案959-(254-228)=933485-246+134=373423-79×5=2855+(487-43)=499222×4-29=859436-(397-308)=3475/8-1/8=4/814×(721-716)=70930+802+822=2554245+247+345=837152-(128-104)=128124×6+38=78230×7=210758×(85-79)=454898+126=224497-(77-50)=470368+87-148=307896+(342-34)=1204330-177+107=260284+58=34252×(398-390)=416453+615-765=303454×2+360=12687/10+2/10=9/10628-157=471776-196+871=1451495+179+653=1327626-38-565=23310+800=1110229-210=19669-384=285440+111×6=1106790-459-132=199218+28+512=75884×4=33632×4+220=348238×2-355=12140+80-76=44469-(196+49)=224783-(221+372)=190303-193+39=149172-(460-302)=14819-457-185=177863+694=1557267-(135+69)=63336-196+170=310130-84+199=245178+539+41=75894×2=188343+112-386=6959×3=177294-229+258=323999+533-580=952887+397=128474×8+490=1082206+(484-119)=571827-281-92=454115-104+259=270967-909+374=432103+192=295702×6=421290×4-286=74142+409+346=897146+306-334=11810+189+735=934503+227-483=247637-(359-328)=606458-(848-751)=361785-21×9=596454×2-608=300102+(376-324)=154523-431-42=50493-(278+146)=69432-28×9=180470-425=45485-(392+53)=40423-(245-34)=212263-(177+63)=23183×4=732749×3=2247145×3-374=61468-(86-82)=464146×(112-106)=876161×6=966391-39×3=274189+156=34588×7=616645-477+230=398847-364-453=30292×(472-467)=1460473-188-93=192273×7-191=172012+272×2=556986+497+118=1601129+228=357313+(487-422)=378806-640=166576+956+935=246774×5+330=700465-334+75=206220-(53+47)=120951-70×6=531295+142+496=933965-75×6=515271-116-88=67137×(218-210)=1096992-639-187=166441-(118+135)=188455-(205+246)=466+(953-808)=211337×5-373=1312740+226+403=1369326-41×5=121671+369+744=1784123×(146-141)=61529+374+724=1127487-40-315=132270-60×4=3080+369-26=423108×(24-15)=972117+556-42=631933+514-87=1360453-(423-109)=1392/8+3/8=5/8779-(529+62)=188189+(957-365)=781523×8=4184272+221×2=714431-190+127=368274-(268-21)=27118+284=40283×4-132=200326-261=6574+842+31=947303×4-152=1060330-(492-178)=16128+300=42890×6+217=757335-179-107=49107+279+610=996385+110-248=247631+533+692=1856464+340-785=19345-(87+10)=248183+226=409871-112-677=82644×(742-736)=38642/8-1/8=1/8741-126+878=149359-11×4=15989-306×3=71190-83+93=20077×(125-122)=231325-(89+180)=56213+364+468=10456/8+2/8=1269+193=462170+(396-195)=371175-(84-40)=13174×(102-93)=666666-(928-764)=502216×8-653=107528×9=252288+307=595345×(495-487)=2760178×5=890202+211=413691×5-172=3283324×(473-469)=1296418+(182-171)=429303+(576-67)=812295+(718-300)=71345×4-95=85909-793-39=77533×(235-231)=2132790-50-659=81425×8=3400340-25-59=256321×3-261=70267×6+164=566160+168+652=9805/7+2/7=1394+(121-52)=463529+124+324=977406×(232-224)=3248543+242+196=981356-191-33=132903-27×6=741677-(239+363)=75808+(954-919)=843792+(806-592)=1006522+192+141=85557×(375-371)=22829+113=142699×5-825=2670955-(90+256)=609413-70×4=133139+549+191=879616-418-113=85356+(960-400)=916332×3=996439-(467-219)=191397×4-880=708551+376+764=1691482+(202-120)=564739-(865-196)=70734-58×7=3283/8-2/8=1/8935-364-234=337345+80=425414-(322-186)=278154×4=616337-(136-112)=31390×4+482=842397-167×2=6376+88-78=86162+170×3=672885+810+381=2076501-344+594=751145+655+97=897472×9=42483/6-2/6=1/6494×7-640=281896+292-225=163267×3-242=559400+218×2=836188+340+365=893101+731-507=325488-11-159=318103+173=276178+222=40063+292=355417-361+186=242917+925=1842780-(49+498)=233109×(476-470)=654172+227×3=853489-39-295=155167+293-88=372458-(407-45)=9625+(233-76)=182900-(444-422)=878407+549-915=413/8+2/8=5/8311-(344-34)=1611+863-513=961262+(116-21)=357406-352=54495-50×5=245375×(50-43)=2625281+93=374437+(182-60)=559227-21×3=164112+73+60=245920-(347-182)=755217+125-286=56246+(165-156)=255283-265=18418-45×2=328985-37×5=800702-(404+179)=119850-45×6=580347+(240-20)=567415-24-344=47910×8=7280850×(958-955)=2550908×(661-653)=7264680×2=1360250+230×4=1170432-(35+157)=240957-(600-292)=6491/6+2/6=3/6462+385-260=587432-130-153=149905-178+934=1661495+178+311=984138×4+67=619158+168=326119-(27-16)=108888×9-775=7217478+771-63=118699×5+589=108483+208-209=82572+415×2=1402871-629-116=126944-265-390=289133×3=399798-406-109=283948-473=475858-186+109=781267+14-276=5170+(480-244)=406401+13×8=505396-(904-779)=271184×(757-748)=1656438-(107-70)=401157+21-145=33259×(497-488)=233140×(208-199)=360487-(114+111)=262164+908-88=9841/3+2/3=133×8=264337-(208-187)=316226+236×3=934411-36×5=231510+289+469=1268249×3=747952-376-72=504636×3=190839+641+308=988729-(104+314)=311956×2=1912305-(245-176)=236283-(466-364)=181122+(264-79)=307172-(244-193)=121319-19×3=262402-24×3=330692×8=553636+(347-297)=86458-79×4=14276+(511-285)=302283×2-292=27471×9-353=286465×8-390=3330367-112+47=30215+325-271=69512-(556-92)=48482-124-139=219464-(454-56)=6686×7-538=64394+292=686458-231=227826-(449+52)=325453+606=1059215+126=341401-(519-433)=31564×(158-152)=384874-33-793=4896×8+694=1462304+142-72=374883×4=3532194+(995-793)=396505-(36+281)=188346×8=276868+66-94=40791-(681-665)=775432-56=37637+(514-206)=345575×9-144=5031456+(96-81)=471289×5-227=1218396-363=33655+127-489=293154+166×2=486940-201+652=1391337×3=1011223×3-93=576360-78×3=12695+80×3=335153-105+294=34230×8-150=9080×(305-297)=640875-367-106=402334-43×6=76158×2=316783-(806-257)=234356-(23+281)=52861-243-180=438173-(27+30)=116118×7-758=6829×(517-513)=116388-(471-289)=206721+96+42=859352-(351-12)=13415-28×4=303323×5-566=1049184×3=552739-67-308=364328+87=415368-173=195460-411=49555-468=87177-(183-146)=140132×(532-527)=660285×(227-224)=855941-868=73401+237+350=988549-205=344670-(803-441)=30842+93=135285-32×4=15741+311-253=99431-127-116=188918-515-23=380331-(201+85)=45588+126-424=290805-559-45=201590+61×3=773475-151×2=173463+399-256=606231×4-64=860459-(336-235)=358356-157=199379×8=3032564+120×3=92429+83=112436+247+270=953461×2+16=938453+47×2=547190+141-327=4235+815-259=791313+(415-233)=495782-(358+366)=5815×8=120489+(442-247)=6845/9-4/9=1/9481×2-536=426493-469=24179+163=342168+171-287=52234+(356-307)=283461×8=3688212+(318-258)=27266×2=132561+215+209=985460-79×2=302414+(388-135)=667880-45+947=1782833-(408+406)=1937×8=296781-(112+28)=641108+373=481753-(244+258)=251337-105=232899-(922-817)=794731×(387-382)=3655931-(237+595)=9940×(183-176)=280685+(620-338)=96755-31=24895-86×2=723197+83=280716-485+747=978114-(40-36)=110467-(275-21)=213897+698-501=1094886-135×6=76486-215-88=183916-(521+214)=181738-(120+291)=327743-22×4=655242×5=121037×2=7480-13×3=41378-49×6=84344-(150+61)=13386×5=430277×2=554337-10-40=287176+(425-323)=278142×7-431=56359×4+891=1127499+931+635=206519+106=125106×6+152=788278+405+103=786122×(947-939)=976273×8-107=2077524+(946-255)=1215453-386=67143-17×7=24460+33-64=429217+526=743874-60=814517-24+224=717124-10×6=64443-(136+156)=151187+(452-260)=379355-(144+66)=145929-(499+19)=411762-331+423=854275×2-187=363436×3-316=99246×(461-453)=36819×(149-142)=133491+40×3=611219+572=791136×2=272483-190-255=38649+404=1053342+(349-75)=616344+379+117=840385-168=217511-(820-324)=15841×6-199=4847805-523-148=134223-30×2=16346×(442-435)=322631-(69+500)=62339×5=1695112×2+173=397645+(765-641)=769830+809-292=1347531×7=37171/7+4/7=5/7271+529=800641+54+102=797971+956=1927780-140-477=163234×(240-236)=936474-306+267=4352/4-1/4=1/4853-636+91=308456-(111+38)=307273-43+253=483360+(647-227)=780365-268=97774+77×5=1159720-329×2=6282×2-102=62116-93+114=137237+274=51160×3+135=315316+14×2=344360-(11+179)=17061+211+535=807104+77+545=726844-331=513198+(334-279)=2533/8+4/8=7/81/6+3/6=4/6619-175+992=143636×7=252301-120-64=117802+600+347=174963×7=441126+(425-124)=427743+583+812=2138406+(813-247)=97240×(448-442)=240113-44=69745×5-704=302199×8-606=186987-283-207=497687-(258-117)=546411+30-404=37696×3=2088183-112=71171+647-653=165362+329-149=542499-46×7=177497-(145+297)=55440-418+304=326489-155×2=179398-(390-126)=1342/8+4/8=6/8506-(699-470)=277404×2+663=1471424-33×6=22680+41×5=285962+724=1686606+(872-104)=1374108+370-364=114369-346=23251×3-480=273145×5=725829+735+15=1579799-175+198=822712-(834-537)=415482-457=2553+300+595=948408×2-380=436899-596+335=638594-75×2=444258-122=136461+988+423=187231×(197-192)=155203×3-179=430353+98×3=647460-(47+380)=3324×5+243=363611-22+975=1564593-37×3=4827/10-3/10=4/10521+285=806989-(420-418)=987470+451×2=1372438-306+211=343456×2+486=1398400+803=1203308×2-483=133103×8+820=164433+429-156=306314-26+16=304758+(971-895)=834481-222=259927-227-326=374214-(23+55)=13661×(228-220)=488640-208×3=16892-633=259450-180-88=182943+(734-308)=1369981-432+910=1459545-313=232340×7=2380114×6+625=1309798+(450-188)=1060126×5-191=439141+89=230536-103=43364+(498-441)=121112×3=336385+103-367=12115×(232-229)=4511×2+440=462393×9-674=2863942-(550+190)=202132×(464-457)=924809×(680-671)=72812/5-1/5=1/5320×2-206=43445×8+493=853790×4=3160395-121=274639+606-644=601801×4-299=2905204-173+143=174884+(858-723)=1019309×3-334=593277+105=382999-921=78923-218×4=51497-133=364390-(156+21)=213330+(612-376)=566240+202-392=50958+610+536=2104135×4=540419-(95+108)=216394-165-40=18971×7+268=765876-189×2=498437-17-348=72825+105-700=230424-33-147=244421-25=396274×3+728=1550236×9-303=1821453-113-35=30562-54+438=446482×4=1928419-267=152245×4-256=724449×8=3592194+152+510=856367-(92+22)=253420+(331-226)=525447-(464-206)=189220×4+450=1330835×4=3340327-(15+47)=265164+170=334491-15×5=416402-136=266839-460+990=1369867-79×9=156331+(425-99)=657148+525-194=479481-61×7=54439+(760-301)=898328-181-63=84477-135+346=688973-(997-384)=360815-(138+626)=51459-153-150=156804-404=40042-(98-87)=31397+93+60=550152+162=314944-61+860=1743245×3=7354/8-2/8=2/8850×7=5950719-(793-747)=673729+(859-533)=1055164×(172-166)=984922-815+801=908419+238×4=1371237-146+321=412417-75-80=262194-(350-246)=90266+53×4=47847-45+183=185370-234+12=148738-(374-266)=630183+72=255460-137=323619+175-165=629581+288=869129+44×8=481675×(195-187)=5400367+92=459487-45-152=290450+413+766=1629410-29×6=236