三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦446×2-684=725-57×2=87+240=26+(386-298)=23×6=430-25-36=98+366=986-635-84=443-337-79=889-581-213=882×(892-885)=462-60-283=387+504-217=174+273-287=593+205-124=209+135-141=126+(863-284)=525×4=224+245=525-(239+37)=584+(107-19)=831+927=818×(853-850)=686+(765-103)=361+122+459=680-(712-415)=607+(728-389)=691+442=695-461=43×5=725-(106+178)=893+626=392+(646-153)=791-(277+220)=972-(471-408)=307+(324-287)=28+486+203=678-(345-129)=95+60-91=448-47-181=264-54-77=41×9-240=323-(198-173)=284-195=477-(132+142)=283+560=282-(20+180)=459-33-52=405×5=288-211=325-60×3=469-(202+176)=330+259-71=460×(823-817)=63×2+60=158+171×5=894-191-451=544+256-116=405-216+163=810+115×8=353×(931-926)=282-(141+118)=225×4-532=163×6-39=393-(427-69)=95×3+903=110×7-88=4/8+3/8=204-77+328=569-83-297=912-287×2=683-(904-332)=229+132×4=666-477=319-(998-981)=111+107×5=435-51×5=927×(475-467)=294-(29+261)=751-55×4=480-142-261=429-(270+145)=283-(291-260)=293+522-159=866-(348+284)=337+323=329×2-412=657+(263-16)=276+141×4=39×9+330=250×2+133=424-401+759=820-17×2=340+963+526=106-21+92=799-92=158+(312-274)=207-(67+71)=666+93+258=559+(684-75)=467+254=319+76+415=441+(901-106)=250-77+79=79+71×5=123×8=661-(426-376)=261-(154-142)=140-13×3=877-438×2=186+66+659=454-114-231=24+175×3=251×3=504+836=827-134-313=461-156=312-158+208=422-42-226=394+292+254=317+61=417×(241-234)=334×6-712=57×4=57×5+371=80+394=113+207=124+615=168+97-235=437+(396-18)=369-22×7=333-12×3=682×7-745=322+521+43=15+265×3=180-67-79=73+913-812=539+673-74=572+838=395+526=211-15×3=460-239=509-158=932+29+31=95+264-128=224×4-753=197+37=471-285-155=229+290+203=136×(236-229)=797-402=270+229=58+267-162=751+760-395=232-(748-678)=380-89×3=788+326+497=132+(52-13)=565+862+927=371×2=227-194+191=419+288-694=4/6-1/6=153-17×9=551-(564-232)=441+196=61×7+386=150-78=2/8-1/8=13+217-183=483-76-372=49×(322-317)=576+880=504+(575-360)=116×(396-390)=248+58×5=384-63×5=360-(444-271)=89+142-210=701×6-722=274-199-42=883+609-841=296+(361-297)=37+219=230+98-218=372×9=785+720-582=879+500×2=213-(130+35)=1/6+3/6=397+16+33=169+(144-110)=545-(786-574)=924-161×3=728+(334-209)=204+288=36×(130-123)=299+242+70=603-79+964=87-(225-193)=970+403+852=311+198×3=704-507+483=883-165×4=310×4-314=487-325=883-423-228=734-85×2=457-256=861×4-91=325+(474-98)=52×9+99=3/4-1/4=622+98+484=141+478=135+149-77=331+27+113=196-112+99=272-84=419+(355-62)=875-226+644=386-60×6=52+296=244×3+106=111×(146-143)=165×6=397-(242+132)=871×8=94×(307-303)=614×4=18+88=296+(55-48)=79×3+337=120+112=440×2-230=192×2=514×7=736-12-637=480-75-368=329+102=916-209×4=947-65=305-11×5=2/7+3/7=946-(417+231)=175×2=142×4-439=342-93+184=351-22-246=96-60+314=465-(331+127)=952-268+46=740+187×4=132-73=964+618+883=783-274+521=348+697+19=400-(172+111)=752-222×2=27+275-32=434-(115+155)=523×5=493-406=977×4=1/4+3/4=334-96×3=713-(835-705)=398-58=277-(34+209)=521×6-574=126-34=163+21×2=719-(285+117)=654+57×3=82+98=775-475+204=393-(18+18)=1/5+2/5=306-(327-151)=318×9-933=42+289-258=99+260-102=190×9=104×2+368=482-202+117=685-184-468=50×7=174+504+807=127×7-630=49+214×4=422+(521-51)=16×8=339+173+292=60+36×3=47×4+568=228+265=911+125+690=404-156-228=279-(893-723)=273+(323-25)=673-308-365=527×2-179=908×6=201-58=676-76+884=238+424=626+(527-206)=940-393=917-242-61=593-(727-604)=411-398=322×3-540=121×4-68=195+141-201=723-80×8=203+368-209=468-74-128=273-55×3=735-267=298×(553-550)=339-218+99=37+(486-51)=553×9=942-420+599=563×(982-979)=175×(484-480)=331-36=323-(94+206)=50+924-659=928-33×6=416+572-550=971+554=16+296+387=169+58+30=394-355=448×2-397=113-(109-91)=173×(256-252)=549×(33-29)=506×(744-739)=487-84×5=232+22×4=833-(380+53)=978×(43-37)=409-(142+240)=5/8+2/8=80×6-90=115×7-703=122×3=279+(943-375)=247-49+178=376-295=682×(14-10)=95+207=56×2=897+669-322=947-(884-202)=875+(221-191)=469-31×2=239-31-17=4/10-3/10=592×7-846=777-84=93+343+307=843-98×8=525+615-548=172×2-335=139×2+212=438-37-386=561×2-298=168×3+890=885-462+427=329-(461-457)=380-(31+185)=3/8-1/8=418-256+257=867+658-494=137+246=826+89×9=84×9=721-688=126+117×6=305-38-101=114-60=180+252×2=393+(351-136)=219+54+695=77+(463-233)=668+115×2=498-(370-21)=265×2=403-18-214=485-27×4=943-278-547=464-53×6=649-12×9=407-125=224-(43+10)=356×(783-775)=811-111+113=975+(599-12)=444-74=92×9+781=14×6+404=748-56×5=922-370-447=161×6-247=185+357+853=68×(166-160)=447-(105+84)=105×4=389+374=416-(227+72)=279-82×3=134×7+34=13+370-377=129-(499-422)=216+128×2=699-108-101=940-(560+366)=610-357-57=75×9=276+143=932+502+167=249×9=3/5-1/5=949-58-141=157+962-142=83+(841-580)=925×3=2/7+4/7=486-(430+35)=778-32=235×(379-375)=452-(429-112)=429-275-56=442-278-100=111×7=75×7=819+(742-606)=167-39-125=3/6-1/6=382-(344-45)=870-(925-107)=208+49=490-205-89=441-43×8=418+92+268=334-132+205=460×2-578=470-(127+144)=318-(684-367)=215+218×2=894-523=449-(335-285)=339-(227-59)=356+101-95=344×(876-871)=480-(104+258)=11×4+125=711+(717-338)=427+442+108=2/8+5/8=315+(411-223)=52+21=278×5=940×8=410×7=19-(450-439)=133×(442-437)=277-66=761+686+151=911-540=341-147=227+(294-139)=307-207+266=834-(408+389)=410-140=859-278+144=288+989-416=219×2+222=244×4-761=894-(336+502)=297+133+606=909-(66+364)=781-274-285=404-42×2=152+195+130=298×2+202=6/8+2/8=995×7=196-(637-504)=341×7-55=282×3-473=79×(131-122)=326+186+298=836-(929-853)=210+200=268-38×5=238+(479-446)=90-(312-266)=256-208=324×2-253=214×(449-445)=674×9=405+130×3=462-(972-599)=240-62-135=847-205×2=93×8+299=721-(623-224)=888+986+335=2/5-1/5=632-37×7=62×(306-297)=477+(300-299)=285-(212+49)=498×2-754=242-(363-184)=191+(865-565)=1/8+3/8=872-415+910=422+(386-47)=384+(340-329)=494-(960-772)=136×2=177+256=697×9-82=329×(878-874)=20+297-125=395-(125+138)=78×(277-274)=3/9+4/9=260×2-413=146-(165-111)=220-47+47=878+415×2=101+(633-118)=274+501+155=121-(158-72)=21+112=4/8-3/8=240+(451-327)=387-38×9=111×(358-352)=79×7-514=384-291=4/7+2/7=401-166+67=114×6-304=86+114+334=258-11×6=816×4-633=255-(324-145)=96×4=283-189+106=74×7=181-(261-135)=49+373-76=500-357+44=706-225+448=460-(270-176)=286-135+37=493-279=824+970-527=724×3=403-(34+235)=146-(379-285)=147×(208-203)=632+(886-553)=90×(487-479)=347-24×9=749-(134+122)=243×4=663-(757-566)=429+(972-168)=183×(103-96)=906+471-767=274-263+278=108×9-648=461-83+57=63+(440-185)=716-(960-720)=931-853=328+523+63=148×4=732-90-227=456-143×2=439-425+167=172-128+930=877-(448+150)=136+767+58=275-214=50+220=304-(59+241)=330×2+210=360×(718-715)=616-37-486=521×2-601=414+494=840-(329+326)=131+(225-18)=497-(340+119)=2/6-1/6=141+464-303=792×6-198=873+800+606=617-235+278=425-12×9=802-138-469=481-26+859=433-158=300+32-156=992×(853-850)=241+108+421=444×(687-681)=537-98×2=284-145=119+379=640-345+113=81+122+587=822-119×2=834-412-296=301-(419-383)=264-201+68=300-35×2=871-152×2=128×(69-66)=219+76=369+257=398+565-252=282×3-122=318-142=408-99×2=280+830=646+95+209=435-164-91=410-64-149=31×9+789=258-(128+19)=112×2-104=193+(365-340)=32×6+130=922-232-536=85×2+176=59×5+256=442-(255+180)=430-256=154×4=147+397+834=175-159+453=204×2=869×7=323+50+505=302-(478-298)=341+26-250=363×7-366=884×(408-401)=474-32×2=725-217+200=875×(899-890)=445-262-107=411-302-14=768-600-46=279-50×4=902+605=390+169-378=671×3-723=85×9-598=164×(425-419)=22×(933-928)=768×2-514=467-355+169=258-225+255=393+87-43=989-719=341-75-215=801+(898-452)=222-(438-432)=42+13×6=346-127=4/7-1/7=152+131=516×7-185=139+232=854+157×2=15+479-352=465-136-171=420×2=519+475=805+95×2=81×2=249×(445-437)=390-319=32+(320-275)=479-113=955-117×4=967-(122+786)=197×2+283=982-544-191=874+837-772=555-108+693=332+404+43=680-(170+333)=178+143-309=580×7=462×(801-794)=575-291-192=713-18-207=963-(593+72)=235-97-14=14+314+921=474-(305+155)=49×(208-201)=57×(304-298)=19+327-37=101+318-124=72-22=339-79×4=479-49+49=80+(332-171)=343-324+459=390-(342-172)=122×7=379-(53+215)=577-470=766×(137-131)=148×3=200+867+500=251-40+253=722×8=497-65×6=21×(114-105)=866+219-987=671-552=896-200=408-(418-239)=53+73+519=961-(33+880)=99×9+413=953×(34-28)=834×4-106=103+151=854-615+687=91×6+291=875+269=22+115+337=147-(430-395)=475×(840-831)=899-(541-387)=730-395=886×3-48=207×(820-814)=837+347+320=134×2=792×(780-771)=426+110=238+510+108=489-479+11=67+(140-11)=474-137×2=184+563+13=459+930-470=387-114+222=28×(182-175)=122×(22-15)=787-125×3=500-472=715-306-321=133+588=80+61+488=448-304=693-79×4=40+(984-334)=931+951-499=335-(347-39)=347+25-42=289-(22+50)=316-(76+80)=185+(345-194)=101-37+179=207+51=616+597=202×(94-90)=29×(106-98)=119×8-488=319-33×9=550+380+103=447×8-320=344-49=568×9=122+54=451-102×2=988+834+980=409-371+98=373+(352-337)=912-(902-583)=82×4-60=451-(786-568)=96×(233-225)=530×7-563=648+304+20=265-138+898=267×2+412=503+296=32+586+228=492-(143+107)=486-428+204=821-(780-480)=265+(224-29)=191×(169-165)=892-(267+97)=64+(183-56)=773-627=104+379-55=378-114+615=742-(27+428)=561+504-366=384-(651-286)=345×2-532=408-123=569+(702-579)=298-30×9=92×(255-248)=346+329×3=357×2+723=568×5-983=896-713+141=831+924-26=133×7=370-141=193×3-497=427-94-203=363+(116-100)=393+94×5=562+806+612=762-(45+488)=253+(523-281)=86+372=499-(295+33)=788-(114+143)=54×(105-100)=146×5=223×4-63=353×7-520=2/4-1/4=171-(315-201)=453×6-11=600-(110+326)=95+375-434=355-(242+32)=580-189+448=421+73-236=425-66×5=169×4=478+722+890=166+123-184=424+(256-152)=269×4=178+(490-370)=117×6=81×5=133+249=421-(446-177)=參考答案446×2-684=208725-57×2=61187+240=32726+(386-298)=11423×6=138430-25-36=36998+366=464986-635-84=267443-337-79=27889-581-213=95882×(892-885)=6174462-60-283=119387+504-217=674174+273-287=160593+205-124=674209+135-141=203126+(863-284)=705525×4=2100224+245=469525-(239+37)=249584+(107-19)=672831+927=1758818×(853-850)=2454686+(765-103)=1348361+122+459=942680-(712-415)=383607+(728-389)=946691+442=1133695-461=23443×5=215725-(106+178)=441893+626=1519392+(646-153)=885791-(277+220)=294972-(471-408)=909307+(324-287)=34428+486+203=717678-(345-129)=46295+60-91=64448-47-181=220264-54-77=13341×9-240=129323-(198-173)=298284-195=89477-(132+142)=203283+560=843282-(20+180)=82459-33-52=374405×5=2025288-211=77325-60×3=145469-(202+176)=91330+259-71=518460×(823-817)=276063×2+60=186158+171×5=1013894-191-451=252544+256-116=684405-216+163=352810+115×8=1730353×(931-926)=1765282-(141+118)=23225×4-532=368163×6-39=939393-(427-69)=3595×3+903=1188110×7-88=6824/8+3/8=7/8204-77+328=455569-83-297=189912-287×2=338683-(904-332)=111229+132×4=757666-477=189319-(998-981)=302111+107×5=646435-51×5=180927×(475-467)=7416294-(29+261)=4751-55×4=531480-142-261=77429-(270+145)=14283-(291-260)=252293+522-159=656866-(348+284)=234337+323=660329×2-412=246657+(263-16)=904276+141×4=84039×9+330=681250×2+133=633424-401+759=782820-17×2=786340+963+526=1829106-21+92=177799-92=707158+(312-274)=196207-(67+71)=69666+93+258=1017559+(684-75)=1168467+254=721319+76+415=810441+(901-106)=1236250-77+79=25279+71×5=434123×8=984661-(426-376)=611261-(154-142)=249140-13×3=101877-438×2=1186+66+659=911454-114-231=10924+175×3=549251×3=753504+836=1340827-134-313=380461-156=305312-158+208=362422-42-226=154394+292+254=940317+61=378417×(241-234)=2919334×6-712=129257×4=22857×5+371=65680+394=474113+207=320124+615=739168+97-235=30437+(396-18)=815369-22×7=215333-12×3=297682×7-745=4029322+521+43=88615+265×3=810180-67-79=3473+913-812=174539+673-74=1138572+838=1410395+526=921211-15×3=166460-239=221509-158=351932+29+31=99295+264-128=231224×4-753=143197+37=234471-285-155=31229+290+203=722136×(236-229)=952797-402=395270+229=49958+267-162=163751+760-395=1116232-(748-678)=162380-89×3=113788+326+497=1611132+(52-13)=171565+862+927=2354371×2=742227-194+191=224419+288-694=134/6-1/6=3/6153-17×9=0551-(564-232)=219441+196=63761×7+386=813150-78=722/8-1/8=1/813+217-183=47483-76-372=3549×(322-317)=245576+880=1456504+(575-360)=719116×(396-390)=696248+58×5=538384-63×5=69360-(444-271)=18789+142-210=21701×6-722=3484274-199-42=33883+609-841=651296+(361-297)=36037+219=256230+98-218=110372×9=3348785+720-582=923879+500×2=1879213-(130+35)=481/6+3/6=4/6397+16+33=446169+(144-110)=203545-(786-574)=333924-161×3=441728+(334-209)=853204+288=49236×(130-123)=252299+242+70=611603-79+964=148887-(225-193)=55970+403+852=2225311+198×3=905704-507+483=680883-165×4=223310×4-314=926487-325=162883-423-228=232734-85×2=564457-256=201861×4-91=3353325+(474-98)=70152×9+99=5673/4-1/4=2/4622+98+484=1204141+478=619135+149-77=207331+27+113=471196-112+99=183272-84=188419+(355-62)=712875-226+644=1293386-60×6=2652+296=348244×3+106=838111×(146-143)=333165×6=990397-(242+132)=23871×8=696894×(307-303)=376614×4=245618+88=106296+(55-48)=30379×3+337=574120+112=232440×2-230=650192×2=384514×7=3598736-12-637=87480-75-368=37329+102=431916-209×4=80947-65=882305-11×5=2502/7+3/7=5/7946-(417+231)=298175×2=350142×4-439=129342-93+184=433351-22-246=8396-60+314=350465-(331+127)=7952-268+46=730740+187×4=1488132-73=59964+618+883=2465783-274+521=1030348+697+19=1064400-(172+111)=117752-222×2=30827+275-32=270434-(115+155)=164523×5=2615493-406=87977×4=39081/4+3/4=1334-96×3=46713-(835-705)=583398-58=340277-(34+209)=34521×6-574=2552126-34=92163+21×2=205719-(285+117)=317654+57×3=82582+98=180775-475+204=504393-(18+18)=3571/5+2/5=3/5306-(327-151)=130318×9-933=192942+289-258=7399+260-102=257190×9=1710104×2+368=576482-202+117=397685-184-468=3350×7=350174+504+807=1485127×7-630=25949+214×4=905422+(521-51)=89216×8=128339+173+292=80460+36×3=16847×4+568=756228+265=493911+125+690=1726404-156-228=20279-(893-723)=109273+(323-25)=571673-308-365=0527×2-179=875908×6=5448201-58=143676-76+884=1484238+424=662626+(527-206)=947940-393=547917-242-61=614593-(727-604)=470411-398=13322×3-540=426121×4-68=416195+141-201=135723-80×8=83203+368-209=362468-74-128=266273-55×3=108735-267=468298×(553-550)=894339-218+99=22037+(486-51)=472553×9=4977942-420+599=1121563×(982-979)=1689175×(484-480)=700331-36=295323-(94+206)=2350+924-659=315928-33×6=730416+572-550=438971+554=152516+296+387=699169+58+30=257394-355=39448×2-397=499113-(109-91)=95173×(256-252)=692549×(33-29)=2196506×(744-739)=2530487-84×5=67232+22×4=320833-(380+53)=400978×(43-37)=5868409-(142+240)=275/8+2/8=7/880×6-90=390115×7-703=102122×3=366279+(943-375)=847247-49+178=376376-295=81682×(14-10)=272895+207=30256×2=112897+669-322=1244947-(884-202)=265875+(221-191)=905469-31×2=407239-31-17=1914/10-3/10=1/10592×7-846=3298777-84=69393+343+307=743843-98×8=59525+615-548=592172×2-335=9139×2+212=490438-37-386=15561×2-298=824168×3+890=1394885-462+427=850329-(461-457)=325380-(31+185)=1643/8-1/8=2/8418-256+257=419867+658-494=1031137+246=383826+89×9=162784×9=756721-688=33126+117×6=828305-38-101=166114-60=54180+252×2=684393+(351-136)=608219+54+695=96877+(463-233)=307668+115×2=898498-(370-21)=149265×2=530403-18-214=171485-27×4=377943-278-547=118464-53×6=146649-12×9=541407-125=282224-(43+10)=171356×(783-775)=2848811-111+113=813975+(599-12)=1562444-74=37092×9+781=160914×6+404=488748-56×5=468922-370-447=105161×6-247=719185+357+853=139568×(166-160)=408447-(105+84)=258105×4=420389+374=763416-(227+72)=117279-82×3=33134×7+34=97213+370-377=6129-(499-422)=52216+128×2=472699-108-101=490940-(560+366)=14610-357-57=19675×9=675276+143=419932+502+167=1601249×9=22413/5-1/5=2/5949-58-141=750157+962-142=97783+(841-580)=344925×3=27752/7+4/7=6/7486-(430+35)=21778-32=746235×(379-375)=940452-(429-112)=135429-275-56=98442-278-100=64111×7=77775×7=525819+(742-606)=955167-39-125=33/6-1/6=2/6382-(344-45)=83870-(925-107)=52208+49=257490-205-89=196441-43×8=97418+92+268=778334-132+205=407460×2-578=342470-(127+144)=199318-(684-367)=1215+218×2=651894-523=371449-(335-285)=399339-(227-59)=171356+101-95=362344×(876-871)=1720480-(104+258)=11811×4+125=169711+(717-338)=1090427+442+108=9772/8+5/8=7/8315+(411-223)=50352+21=73278×5=1390940×8=7520410×7=287019-(450-439)=8133×(442-437)=665277-66=211761+686+151=1598911-540=371341-147=194227+(294-139)=382307-207+266=366834-(408+389)=37410-140=270859-278+144=725288+989-416=861219×2+222=660244×4-761=215894-(336+502)=56297+133+606=1036909-(66+364)=479781-274-285=222404-42×2=320152+195+130=477298×2+202=7986/8+2/8=1995×7=6965196-(637-504)=63341×7-55=2332282×3-473=37379×(131-122)=711326+186+298=810836-(929-853)=760210+200=410268-38×5=78238+(479-446)=27190-(312-266)=44256-208=48324×2-253=395214×(449-445)=856674×9=6066405+130×3=795462-(972-599)=89240-62-135=43847-205×2=43793×8+299=1043721-(623-224)=322888+986+335=22092/5-1/5=1/5632-37×7=37362×(306-297)=558477+(300-299)=478285-(212+49)=24498×2-754=242242-(363-184)=63191+(865-565)=4911/8+3/8=4/8872-415+910=1367422+(386-47)=761384+(340-329)=395494-(960-772)=306136×2=272177+256=433697×9-82=6191329×(878-874)=131620+297-125=192395-(125+138)=13278×(277-274)=2343/9+4/9=7/9260×2-413=107146-(165-111)=92220-47+47=220878+415×2=1708101+(633-118)=616274+501+155=930121-(158-72)=3521+112=1334/8-3/8=1/8240+(451-327)=364387-38×9=45111×(358-352)=66679×7-514=39384-291=934/7+2/7=6/7401-166+67=302114×6-304=38086+114+334=534258-11×6=192816×4-633=2631255-(324-145)=7696×4=384283-189+106=20074×7=518181-(261-135)=5549+373-76=346500-357+44=187706-225+448=929460-(270-176)=366286-135+37=188493-279=214824+970-527=1267724×3=2172403-(34+235)=134146-(379-285)=52147×(208-203)=735632+(886-553)=96590×(487-479)=720347-24×9=131749-(134+122)=493243×4=972663-(757-566)=472429+(972-168)=1233183×(103-96)=1281906+471-767=610274-263+278=289108×9-648=324461-83+57=43563+(440-185)=318716-(960-720)=476931-853=78328+523+63=914148×4=592732-90-227=415456-143×2=170439-425+167=181172-128+930=974877-(448+150)=279136+767+58=961275-214=6150+220=270304-(59+241)=4330×2+210=870360×(718-715)=1080616-37-486=93521×2-601=441414+494=908840-(329+326)=185131+(225-18)=338497-(340+119)=382/6-1/6=1/6141+464-303=302792×6-198=4554873+800+606=2279617-235+278=660425-12×9=317802-138-469=195481-26+859=1314433-158=275300+32-156=176992×(853-850)=2976241+108+421=770444×(687-681)=2664537-98×2=341284-145=139119+379=498640-345+113=40881+122+587=790822-119×2=584834-412-296=126301-(419-383)=265264-201+68=131300-35×2=230871-152×2=567128×(69-66)=384219+76=295369+257=626398+565-252=711282×3-122=724318-142=176408-99×2=210280+830=1110646+95+209=950435-164-91=180410-64-149=19731×9+789=1068258-(128+19)=111112×2-104=120193+(365-340)=21832×6+130=322922-232-536=15485×2+176=34659×5+256=551442-(255+180)=7430-256=174154×4=616147+397+834=1378175-159+453=469204×2=408869×7=6083323+50+505=878302-(478-298)=122341+26-250=117363×7-366=2175884×(408-401)=6188474-32×2=410725-217+200=708875×(899-890)=7875445-262-107=76411-302-14=95768-600-46=122279-50×4=79902+605=1507390+169-378=181671×3-723=129085×9-598=167164×(425-419)=98422×(933-928)=110768×2-514=1022467-355+169=281258-225+255=288393+87-43=437989-719=270341-75-215=51801+(898-452)=1247222-(438-432)=21642+13×6=120346-127=2194/7-1/7=3/7152+131=283516×7-185=3427139+232=371854+157×2=116815+479-352=142465-136-171=158420×2=840519+475=994805+95×2=99581×2=162249×(445-437)=1992390-319=7132+(320-275)=77479-113=366955-117×4=487967-(122+786)=59197×2+283=677982-544-191=247874+837-772=939555-108+693=1140332+404+43=779680-(170+333)=177178+143-309=12580×7=4060462×(801-794)=3234575-291-192=92713-18-207=488963-(593+72)=298235-97-14=12414+314+921=1249474-(305+155)=144