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238×2-362=412-190+127=706-451-212=845-85+749=474+(285-150)=81×9=802-175+730=101×(108-103)=203-(159+26)=840×(450-444)=769×3-970=677-464=114×8-884=860-(80+22)=209+174-321=82+(520-295)=394×9-188=758-(354+310)=940-26×6=390-135×2=531-(671-662)=42×4=457-43+26=39+112×2=953-624+341=179+396×2=736-(336+11)=316+307×3=675-260+979=349-(998-798)=216-(115-41)=498-(50+43)=833+730-149=449-(78+131)=528+(920-309)=4/6+2/6=97×(202-193)=456+102×4=482-343+195=11+475-260=755-250-427=483×2=43×7+81=304+142×7=358+135-97=911-(635+74)=716×4-406=482+350+168=405+32-381=845-(375-138)=345+(940-407)=286-(194+59)=600+(209-62)=804×9=148×(170-166)=731-128=432+261-288=162+110=549-(956-931)=163+295=994×(360-357)=540-106-402=799-(404+390)=137-54+363=367-(38+26)=556+(987-810)=966×(321-318)=501+208+553=255-48×5=793+433+620=66×5=619-475=61+70=139+16-63=683-(953-665)=311+771-768=611-177×2=2/4-1/4=196+69×7=31×8-72=131×4-182=209+125+386=934-499-282=253+131=470×2=756+249-841=924-384-445=597-440+78=264+(456-63)=28×3+121=4/6-1/6=33×(952-948)=132×8=264+303+418=748-(607-473)=49+(415-176)=267×5-920=314+(127-105)=729-122×2=613-(70+187)=469-30-167=445-234+250=551-232=81×8+83=97×6=70×(279-276)=392-(333-122)=238-191=990-800+900=449-(111+220)=402-33=706×(370-364)=307×4=715×9-595=118+279+210=823-800+543=204×9=905×6=362-(189-100)=113+333=455-106×3=324-(242-193)=234-11×6=458+796=434-343+362=133-(156-69)=289+(317-60)=387+(266-192)=111×6+430=159×(850-845)=481-447=5/7-1/7=545×5=360×3=980-119=85×(208-203)=769+403+184=489-328+164=309-(76+54)=590-(196+146)=855-78×4=248×4-768=257+736=765×8-436=27×4=284×2=617×2-691=350-13-177=94+224×3=257-(11+111)=591×(310-303)=92×7+197=455-272-142=43+235=238+185=685-410+86=94+490=109-60+45=91×(317-312)=411-169×2=96×(55-47)=15+484-57=610-71-494=484-370-54=148-(226-224)=118×(394-391)=380-48×2=884+822-930=71×(211-205)=120+492+203=201-(338-296)=614+105+865=618-470-87=368-253-11=797-(951-325)=109×4-144=382+514+529=202+284-67=394-28×8=180+297×2=186+569=359+281-612=686+419+295=88-66=797+216+169=219+(225-36)=429+127=30×2=289×3=283×2=354×5-711=82×9-347=85×9=180×(331-328)=174-(575-496)=951-(851-338)=111+72+544=314+171×2=193+669+137=301-33-178=762×9-289=927-282-631=773+894+264=134+86×6=331-192-130=937-(97+515)=666×8=500-142-108=41+212+88=81×8=158×4-327=948+200+904=23×5+769=70×5-64=147-103=691-12-521=377+(427-354)=909-781=54×8+975=813×7-26=2/7-1/7=470-392=106×6+845=878-(155-152)=23+446-236=286-112-88=37×2=255+312=124+142=131×6=233-(24+52)=892-246=363-316+324=799×7=184×(315-310)=543×3=153-93=654+152+168=322-34-94=907+308+358=385-307+307=239-98+283=908-773-110=806-(111+406)=445+396=475-(998-763)=268+51+394=154-(267-121)=479×6-190=358-186-129=178×(36-31)=916-(340+388)=252-33+154=947-467=446-(150+143)=82+259=103+611=189-37-145=77×9=886+83×7=455-(280+87)=344-66×3=164+335-130=511+125×4=71+101×3=395+(364-344)=314×4-302=797-256+259=224+678=213+132+182=305+(422-413)=521-(793-353)=637+(270-96)=381+751-798=429+763+688=898+745-809=107×(861-853)=649-410+665=38×5-48=342-251+367=637-310+313=350+(442-43)=112-19×4=98+49=461+(924-265)=485-309+13=63×6+248=1/7+5/7=298+(181-47)=23+239+453=285+27-161=462+97-427=870×7-384=127×5-136=165-56-97=135×5+129=5/8+2/8=374-51×5=709+(552-487)=374-66×2=248×8-548=394-159-152=366+(429-132)=747-702=261×3-578=527×6-48=678+511=148×(185-182)=295+187-467=398-201+107=785-570=946+65×5=263-(115+59)=151×(442-436)=624+285+567=347×(396-388)=753-332×2=313+(440-149)=221+(330-329)=194×3=41+(463-421)=95×3+83=584+70+202=371+(308-52)=13×7+188=715×5=413-(346-278)=73×(409-404)=818+236-303=375-(398-73)=166+175-268=147+399-506=303-(190+20)=2/8-1/8=819-(544-358)=145+861=47+82×8=205+53×5=497-47×3=478-334-129=104+221-46=3/6+2/6=876-529-346=198×3+375=648-348-276=21×8=647+84-305=164+309=119+205+43=250-28×5=391-56=297×(846-838)=372-241=69-(427-369)=77+237-234=87×5-230=331+(877-364)=977-(922+40)=993-293+612=243-133=888×(446-443)=920+(486-45)=182×3+95=247-85×2=362+551-869=95×9-346=456-(429-270)=597+990-101=469-21×8=88-(473-469)=245+320+361=85+390=332-(217+36)=176+49=365+176+526=431+(458-109)=976-507+710=130×3-242=501×3=5/9-1/9=801+19×2=857-362+546=183+223-252=59×9+356=305+427+140=338+111-140=484-(106+229)=310×3=27+320-254=158×3+348=476×7-293=349-(429-304)=997-44+986=334×2+322=151-15×5=379+352=575×3-390=709-(679-95)=829-(20+438)=447-359-24=761-348-47=924-75+90=331+444=120+152×2=680+676=306-226=4/7-2/7=556-397+832=352-99=27+128+758=380-91+106=948-882=198-24=189-53-109=115×5-402=335-(126+84)=63×9+32=5/9+3/9=837-(340+268)=703-148+968=298-(13+159)=386-(396-65)=493-449+28=107+104+120=2/8+4/8=372-180-134=299-70×4=203-(227-213)=808×(404-401)=581-(394+168)=33×8+103=883+513-954=137×4-389=331-(174-84)=256-71-55=722-(348+117)=152×3+31=253+75+517=840-153+416=829-(478+171)=87×9=122-24×5=260-149+114=550+(675-73)=322×3-435=935-(567+292)=203+80=299-251=6/7-1/7=119×(439-431)=916-232=357+455+494=330+182×2=229+109=11+171-100=183+167=23×(425-417)=221-13×5=218×3-283=443×2-742=3/5-2/5=861+(469-104)=654-627+477=542-460=580×(94-91)=179+(231-95)=505-17×3=916×(951-944)=103×7+116=175+(267-102)=390-266+34=541-32×7=477-57×2=807-82×6=224×4=622-(41-35)=788-99+87=878+895+874=494-(240+131)=264+(357-140)=987-(59+461)=65+272+596=461+90+127=39×9-98=397-112=813×8-429=329×(306-298)=962-69×4=678-(201+103)=292-217=192+(355-20)=288-(886-687)=2/6+3/6=362-(45+66)=962×5=312×3=472+205+29=341+504-629=47×(62-55)=445-281+220=4/7+2/7=47×(309-301)=93×(339-330)=60+(242-103)=483-217-166=209+716=302-(702-619)=769-(778-428)=454×2=718×4-823=268+(326-197)=183+298=578-87×5=267+(433-320)=223-(402-182)=358-16-80=807×5-576=477-86×4=829+467-236=846+(934-419)=270-(367-174)=169×2+174=382-(366-353)=362-178=198×3-392=875-(577+171)=753-17=172-(483-458)=898-204×3=331-(444-408)=934-12×7=85×(51-44)=215×8=779-263×2=386-290-57=291-(152+109)=152-(243-238)=61×(190-182)=625+(895-597)=894×6=590-29×2=166+436+667=118×2=467-206-208=100×8-734=861-152×5=292+193=62×(209-204)=139×5-283=202-(154-41)=391-36×3=918-335-150=423-103+109=650-32×6=244-154+210=117+(426-39)=235-51=334-(112+180)=1/9+8/9=286-178=432-(909-557)=352-232+297=485+(566-188)=110+25=84+539+115=814-(440-189)=751-37-259=223+239=285×2+291=487-396=124+146-76=364-285=689-(572-12)=484+618=114×4=586-(285+283)=665+329+801=391×2=88×8-385=186×2=405-(55+148)=467-(405+33)=83+(594-186)=950-277×2=12+14×9=143-123+340=593+306=351-133+247=191+228=738-272+192=490-134=66-28=459-165=363-307=884-(506+298)=803-(803-263)=123+(19-12)=329+136-408=507+222-467=122+69-180=19×(483-477)=110+502+130=406-54×3=181×(302-297)=2/5-1/5=850-394+855=596+(660-181)=441-121-181=270-(202-103)=604×(806-801)=73×4=32×9=291-32×6=852×(148-145)=422×2+497=660-121+883=462-33+206=295+61=447+189+103=399+291=23+129×6=616-122×3=610+200×3=265+497+187=643×8-373=258+(335-86)=42×(422-413)=682-79×7=236×3=397×8=812-459=236+(323-53)=492-322+72=245×3+85=63+404-145=296×3-839=187-(256-188)=121×7-298=867-515-225=492-335-98=178+273-77=267-76×3=472-55×2=400-(289+41)=612+229+31=241×2+193=59+326=215-30-20=460-30×6=241-140=42×(982-978)=625×5=990-(217+691)=760×9-625=959-46×6=86×5+362=325-291=272+168=772-251-495=374-(341+33)=498-(234+56)=772×(365-361)=239+114=119-89+418=260-46+220=27+131=566-527=948-393-64=249+159=710-133×3=827-222-78=654+654-113=191-29+133=358-14×2=402-(169+151)=849-654=492-373+273=622-603=493-(226+26)=128-18+387=765×8-120=286-(334-206)=445×2-268=780-(68+445)=852+476=168×3=904+(140-133)=255-163+167=898-(34+501)=241+158-336=14+(589-408)=916-186×3=337+780-789=173+343+335=861×9-117=92-(444-412)=176+235=3/4-1/4=957-319=341-13+111=84×4=278+166-354=287+90-361=260+74=763×2=114×9=281-(453-307)=855-166=970×5=869-609=77+698+895=471-300-67=770-(361+16)=584-(422-138)=46×(959-950)=215+131+414=498-109-159=429-(240+133)=294×3-170=862-181-175=39+262-259=322+80=916+513-221=974-(966-893)=454-(382-132)=578+455-918=662-158-169=474-19=597+598+490=408-170-190=340+396=116+(386-12)=367+55-138=186+200=14+62=660-60×8=444-258=650-125×3=71×8=415-259-71=338+121×5=991×2=171+222=2/7+3/7=45×(120-114)=399-(500-312)=373-78+67=218+87×5=136×(170-166)=400×(990-986)=289-(46+185)=225+405+977=464-424=551+(546-430)=65×(248-245)=975+55×3=398+(570-279)=1/6+4/6=242+141-316=714+208+838=169-(140-105)=22+154-137=489-(27+307)=455+127=241×4-862=376×7-642=684+34+80=84×(427-424)=247×3-31=877-477=142+(839-350)=118×(450-445)=69+349×2=358-38×3=207+642-275=442-(113+217)=521+254+695=337+(196-14)=109+92×2=221+476=41+424+286=545×3-806=640×9-377=457×2-168=922-340=336-44×6=470-142×3=360+(451-373)=484-(76+130)=354-261-36=353-150=4/9-3/9=483-89-393=269-167=180-(171-133)=429-359=904-354-194=602+151-164=87×(90-87)=211×2=103×6+262=345-167-40=202+594+179=753+(693-448)=53×(94-86)=906+529-162=239×4=420+191+293=508-141×3=85×(43-37)=545-12-492=224-31=722+560-330=372-180-30=789+302+95=632-(984-418)=408-58-333=209×(300-297)=202+179×5=160×4=46×(389-381)=728+(905-14)=142+825=233+247=162+125×5=134×(164-160)=339+417+537=439-106×4=325+135-179=767+44+181=450-396+112=163×6+562=146+96=995×8=139+302-194=853+643+193=1/10+2/10=199+(400-152)=105×(62-53)=164+166=328+85-192=357+64×4=401-(27+373)=71+(250-141)=988-264-703=454-119=98-11×7=351-114×2=940-138-22=298-232=547-413=43×3=684-(679-260)=449×(769-760)=63×7=268+168+351=52+(212-139)=400-(931-796)=205+443-248=218+67=33×2+512=580-102×3=55×9-55=718+(889-536)=參考答案238×2-362=114412-190+127=349706-451-212=43845-85+749=1509474+(285-150)=60981×9=729802-175+730=1357101×(108-103)=505203-(159+26)=18840×(450-444)=5040769×3-970=1337677-464=213114×8-884=28860-(80+22)=758209+174-321=6282+(520-295)=307394×9-188=3358758-(354+310)=94940-26×6=784390-135×2=120531-(671-662)=52242×4=168457-43+26=44039+112×2=263953-624+341=670179+396×2=971736-(336+11)=389316+307×3=1237675-260+979=1394349-(998-798)=149216-(115-41)=142498-(50+43)=405833+730-149=1414449-(78+131)=240528+(920-309)=11394/6+2/6=197×(202-193)=873456+102×4=864482-343+195=33411+475-260=226755-250-427=78483×2=96643×7+81=382304+142×7=1298358+135-97=396911-(635+74)=202716×4-406=2458482+350+168=1000405+32-381=56845-(375-138)=608345+(940-407)=878286-(194+59)=33600+(209-62)=747804×9=7236148×(170-166)=592731-128=603432+261-288=405162+110=272549-(956-931)=524163+295=458994×(360-357)=2982540-106-402=32799-(404+390)=5137-54+363=446367-(38+26)=303556+(987-810)=733966×(321-318)=2898501+208+553=1262255-48×5=15793+433+620=184666×5=330619-475=14461+70=131139+16-63=92683-(953-665)=395311+771-768=314611-177×2=2572/4-1/4=1/4196+69×7=67931×8-72=176131×4-182=342209+125+386=720934-499-282=153253+131=384470×2=940756+249-841=164924-384-445=95597-440+78=235264+(456-63)=65728×3+121=2054/6-1/6=3/633×(952-948)=132132×8=1056264+303+418=985748-(607-473)=61449+(415-176)=288267×5-920=415314+(127-105)=336729-122×2=485613-(70+187)=356469-30-167=272445-234+250=461551-232=31981×8+83=73197×6=58270×(279-276)=210392-(333-122)=181238-191=47990-800+900=1090449-(111+220)=118402-33=369706×(370-364)=4236307×4=1228715×9-595=5840118+279+210=607823-800+543=566204×9=1836905×6=5430362-(189-100)=273113+333=446455-106×3=137324-(242-193)=275234-11×6=168458+796=1254434-343+362=453133-(156-69)=46289+(317-60)=546387+(266-192)=461111×6+430=1096159×(850-845)=795481-447=345/7-1/7=4/7545×5=2725360×3=1080980-119=86185×(208-203)=425769+403+184=1356489-328+164=325309-(76+54)=179590-(196+146)=248855-78×4=543248×4-768=224257+736=993765×8-436=568427×4=108284×2=568617×2-691=543350-13-177=16094+224×3=766257-(11+111)=135591×(310-303)=413792×7+197=841455-272-142=4143+235=278238+185=423685-410+86=36194+490=584109-60+45=9491×(317-312)=455411-169×2=7396×(55-47)=76815+484-57=442610-71-494=45484-370-54=60148-(226-224)=146118×(394-391)=354380-48×2=284884+822-930=77671×(211-205)=426120+492+203=815201-(338-296)=159614+105+865=1584618-470-87=61368-253-11=104797-(951-325)=171109×4-144=292382+514+529=1425202+284-67=419394-28×8=170180+297×2=774186+569=755359+281-612=28686+419+295=140088-66=22797+216+169=1182219+(225-36)=408429+127=55630×2=60289×3=867283×2=566354×5-711=105982×9-347=39185×9=765180×(331-328)=540174-(575-496)=95951-(851-338)=438111+72+544=727314+171×2=656193+669+137=999301-33-178=90762×9-289=6569927-282-631=14773+894+264=1931134+86×6=650331-192-130=9937-(97+515)=325666×8=5328500-142-108=25041+212+88=34181×8=648158×4-327=305948+200+904=205223×5+769=88470×5-64=286147-103=44691-12-521=158377+(427-354)=450909-781=12854×8+975=1407813×7-26=56652/7-1/7=1/7470-392=78106×6+845=1481878-(155-152)=87523+446-236=233286-112-88=8637×2=74255+312=567124+142=266131×6=786233-(24+52)=157892-246=646363-316+324=371799×7=5593184×(315-310)=920543×3=1629153-93=60654+152+168=974322-34-94=194907+308+358=1573385-307+307=385239-98+283=424908-773-110=25806-(111+406)=289445+396=841475-(998-763)=240268+51+394=713154-(267-121)=8479×6-190=2684358-186-129=43178×(36-31)=890916-(340+388)=188252-33+154=373947-467=480446-(150+143)=15382+259=341103+611=714189-37-145=777×9=693886+83×7=1467455-(280+87)=88344-66×3=146164+335-130=369511+125×4=101171+101×3=374395+(364-344)=415314×4-302=954797-256+259=800224+678=902213+132+182=527305+(422-413)=314521-(793-353)=81637+(270-96)=811381+751-798=334429+763+688=1880898+745-809=834107×(861-853)=856649-410+665=90438×5-48=142342-251+367=458637-310+313=640350+(442-43)=749112-19×4=3698+49=147461+(924-265)=1120485-309+13=18963×6+248=6261/7+5/7=6/7298+(181-47)=43223+239+453=715285+27-161=151462+97-427=132870×7-384=5706127×5-136=499165-56-97=12135×5+129=8045/8+2/8=7/8374-51×5=119709+(552-487)=774374-66×2=242248×8-548=1436394-159-152=83366+(429-132)=663747-702=45261×3-578=205527×6-48=3114678+511=1189148×(185-182)=444295+187-467=15398-201+107=304785-570=215946+65×5=1271263-(115+59)=89151×(442-436)=906624+285+567=1476347×(396-388)=2776753-332×2=89313+(440-149)=604221+(330-329)=222194×3=58241+(463-421)=8395×3+83=368584+70+202=856371+(308-52)=62713×7+188=279715×5=3575413-(346-278)=34573×(409-404)=365818+236-303=751375-(398-73)=50166+175-268=73147+399-506=40303-(190+20)=932/8-1/8=1/8819-(544-358)=633145+861=100647+82×8=703205+53×5=470497-47×3=356478-334-129=15104+221-46=2793/6+2/6=5/6876-529-346=1198×3+375=969648-348-276=2421×8=168647+84-305=426164+309=473119+205+43=367250-28×5=110391-56=335297×(846-838)=2376372-241=13169-(427-369)=1177+237-234=8087×5-230=205331+(877-364)=844977-(922+40)=15993-293+612=1312243-133=110888×(446-443)=2664920+(486-45)=1361182×3+95=641247-85×2=77362+551-869=4495×9-346=509456-(429-270)=297597+990-101=1486469-21×8=30188-(473-469)=84245+320+361=92685+390=475332-(217+36)=79176+49=225365+176+526=1067431+(458-109)=780976-507+710=1179130×3-242=148501×3=15035/9-1/9=4/9801+19×2=839857-362+546=1041183+223-252=15459×9+356=887305+427+140=872338+111-140=309484-(106+229)=149310×3=93027+320-254=93158×3+348=822476×7-293=3039349-(429-304)=224997-44+986=1939334×2+322=990151-15×5=76379+352=731575×3-390=1335709-(679-95)=125829-(20+438)=371447-359-24=64761-348-47=366924-75+90=939331+444=775120+152×2=424680+676=1356306-226=804/7-2/7=2/7556-397+832=991352-99=25327+128+758=913380-91+106=395948-882=66198-24=174189-53-109=27115×5-402=173335-(126+84)=12563×9+32=5995/9+3/9=8/9837-(340+268)=229703-148+968=1523298-(13+159)=126386-(396-65)=55493-449+28=72107+104+120=3312/8+4/8=6/8372-180-134=58299-70×4=19203-(227-213)=189808×(404-401)=2424581-(394+168)=1933×8+103=367883+513-954=442137×4-389=159331-(174-84)=241256-71-55=130722-(348+117)=257152×3+31=487253+75+517=845840-153+416=1103829-(478+171)=18087×9=783122-24×5=2260-149+114=225550+(675-73)=1152322×3-435=531935-(567+292)=76203+80=283299-251=486/7-1/7=5/7119×(439-431)=952916-232=684357+455+494=1306330+182×2=694229+109=33811+171-100=82183+167=35023×(425-417)=184221-13×5=156218×3-283=371443×2-742=1443/5-2/5=1/5861+(469-104)=1226654-627+477=504542-460=82580×(94-91)=1740179+(231-95)=315505-17×3=454916×(951-944)=6412103×7+116=837175+(267-102)=340390-266+34=158541-32×7=317477-57×2=363807-82×6=315224×4=896622-(41-35)=616788-99+87=776878+895+874=2647494-(240+131)=123264+(357-140)=481987-(59+461)=46765+272+596=933461+90+127=67839×9-98=253397-112=285813×8-429=6075329×(306-298)=2632962-69×4=686678-(201+103)=374292-217=75192+(355-20)=527288-(886-687)=892/6+3/6=5/6362-(45+66)=251962×5=4810312×3=936472+205+29=706341+504-629=21647×(62-55)=329445-281+220=3844/7+2/7=6/747×(309-301)=37693×(339-330)=83760+(242-103)=199483-217-166=100209+716=925302-(702-619)=219769-(778-428)=419454×2=908718×4-823=2049268+(326-197)=397183+298=481578-87×5=143267+(433-320)=380223-(402-182)=3358-16-80=262807×5-576=3459477-86×4=133829+467-236=1060846+(934-419)=1361270-(367-174)=77169×2+174=512382-(366-353)=369362-178=184198×3-392=202875-(577+171)=127753-17=736172-(483-458)=147898-204×3=286331-(444-408)=295934-12×7=85085×(51-44)=595215×8=1720779-263×2=253386-290-57=39291-(152+109)=30152-(243-238)=14761×(190-182)=488625+(895-597)=923894×6=5364590-29×2=532166+436+667=1269118×2=236467-206-208=53100×8-734=66861-152×5=101292+193=48562×(209-204)=310139×5-283=412202-(154-41)=89391-36×3=283918-335-150=433423-103+109=429650-32×6=458244-154+210=300117+(426-39)=504235-51=184334-(112+180)=421/9+8/9=1286-178=108432-(909-557)=80352-232+297=417485+(566-188)=863110+25=13584+539+115=738814-(440-189)=563751-37-259=455223+239=462285×2+291=861487-396=91124+146-76=194364-285=79689-(572-12)=129484+618=1102114×4=456586-(285+283)=18665+329+801=1795391×2=78288×8-385=319186×2=372405-(55+148)=202467-(405+33)=2983+(594-186)=491950-277×2=39612+14×9=138143-123+340=360593+306=899351-133+247=465191+228=419738-272+192=658490-134=35666-28=38459-165=294363-307=56884-(506+298)=80803-(803-263)=263123+(19-12)=130329+136-408=57507+222-467=262122+69-180=1119×(483-477)=114110+502+130=742406-54×3=244181×(302-297)=9052/5-1/5=1/5850-394+855=1311596+(660-181)=1075441-121-181=139270-(202-103)=171604×(806-801)=302073×4=29232×9=288291-32×6=99852×(148-145)=2556422×2+497=1341660-121+883=1422462-33+206=635295+61=356447+189+103=739399+291=69023+129×6=797616-122×3=250610+200×3=1210265+497+187=949643×8-373=4771258+(335-86)=50742×(422-413)=378682-79×7=129236×3=708397×8=3176812-459=353236+(323-53)=506492-322+72=242245×3+85=82063+404-145=322296×3-839=49187-(256-188)=119121×7-298=549867-515-225=127492-335-98=59178+273-77=374267-76×3=39472-55×2=362400-(289+41)=70612+229+31=872241×2+193=67559+326=385215-30-20=165460-30×6=280241-140=10142×(982-978)=168625×5=3125990-(217+691)=82760×9-625=6215959-46×6=68386×5+362=792325-291=34272+168=440772-251-495=26374-(341+33)=0498-(234+56)=208772×(365-361)=3088239+114=353119-89+418=448260-46+220=43427+131=158566-527=39948-393-64=491249+159=408710-133×3=311827-222-78=527654+654-113=1195191-29+133=295358-14×2=330402-(169+151)=82849-654=195492-373+273=392622-603=19493-(226+26)=241128-18+387=497765×8-120=6000286-(334-206)=158445×2-268=622780-(68+445)=267852+476=1328168×3=504904+(140-133)=911255-163+167=259898-(34+501)=363241+158-336=6314+(589-408)=195916-186×3=358337+780-789=328173+343+335=851861×9-117=763292-(444-412)=60176+235=4113/4-1/4=2/4957-319=638341-13+111=43984×4=336278+166-354=90287+90-361=16260+74=334763×2=1526114×9=1026281-(453-307)=135855-166=689970×5=4850869-609=26077+698+895=16