三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦125×(80-75)=470-(540-290)=798-325+913=914-95=369-72×3=69×7=220×3=100×(219-214)=393×5-858=106+20-54=802-39×3=147-33-83=412-64×5=510+206+662=98×3=374-(322-101)=856-394-202=195+321×2=129×6+179=308+22×2=439-186+68=115+964-207=154×2+801=42×(184-180)=3/8+4/8=108×(296-291)=676-126-309=216×(383-380)=998-(238-97)=255×(326-317)=36+335-188=703-(435-69)=989-(585+401)=134+89=179+(466-173)=381-62-53=787-696+667=76×2=757-(729-24)=53×3=250-(81+139)=526+226+309=441+(411-237)=268+991+338=405-(173+83)=279-40=310-102=90+385=534×2-61=633+709+221=461+70+326=279+(769-253)=73×7=397-(57+313)=248-20×8=33×9+99=176+429+204=66+24×8=938-472=3/6+2/6=249×9=199×2=848-743=133+(795-790)=353+459-109=35×8+60=253+466+27=910-(785-218)=109×9-404=372-255+59=167-32+239=104×7=775-73=188+234=365+(445-36)=610-(838-288)=942-845=46+(404-219)=158-64+312=68-46-16=193-70+679=818+838=422-203-24=624+185=75×7=348-154-188=97+83=575-212+414=383×2-508=125×5=395-(230+138)=91×(43-34)=592+137×4=451-(277+161)=108+(717-118)=605+146+75=206-167+136=343-61×3=339-120-173=231+118=599×3=564×5=192+218-326=362-302+429=199×4-61=95×6-332=81×5-141=110+(404-100)=899+892-430=397-(181-55)=568×(396-387)=472-(500-74)=370+(352-64)=441+811-857=257×(79-75)=444-(21+335)=985×(98-94)=400-(137+109)=456×8-250=2/5-1/5=395-(239+26)=318-228+253=247+680=3/5-2/5=646+855-753=448-53×3=931×8=172+130×6=87+409=868-93×7=10×6+164=777-(336-266)=587×8-559=176+(332-69)=603×3-379=132×(785-781)=860-497=69+(472-296)=166×6+508=336-39×4=233-161=313×(75-72)=17+230-51=35×4=409+61+118=184×(536-528)=936-784+627=255+125=783-(623-514)=478+257×2=786+(850-221)=183+49=971-284×3=103×7+679=307×2-406=837×2=993-(54+395)=490+246×2=951+289+185=2/8-1/8=731-196-82=852-245-368=987+996-189=67×6+127=143+182=606+98+740=185×6=310-(206-195)=88-53=923+597+967=98×(257-248)=48×2=100+180+587=282-25×7=494-174-141=734+973+859=282×3=104×3-269=335+835=116+916-391=12×(566-557)=36-(399-374)=66×(249-245)=378-328=434-200-215=347+202=481-349+14=948-98+492=153+62=706-(669-626)=307+184-55=40+(60-35)=199-128+51=948-(74+126)=776×5=13+302+191=184+92×5=313-147+296=345-133-65=121×3-230=498-(401+41)=815×9=253-99+887=32×6=278+85×8=404+846-983=451-292+24=72+74×6=367-47×6=487-(45+182)=120×(435-427)=812-731=446+116=22+(202-97)=83+374=4/8-3/8=500-210=204-111=303+197-65=728-665=720-(530+121)=301-135-36=834-(226+516)=777+249+489=355+(713-707)=211+(450-91)=553×5-981=720-32×6=908-556+803=819+(428-413)=139+(429-14)=353+(68-30)=192-(433-403)=205+81=386-(980-699)=115×(67-64)=731×(472-463)=426-387=690-(407-389)=479-(70+295)=2/10+7/10=417-(43+283)=358+108×3=244-(48-27)=105+145-54=290-(314-235)=264-33×5=690×7=237+677+84=276+161×2=463×6-138=886-(727+148)=209+193=889-634+758=435-(350+53)=6/8-1/8=197-(639-553)=436-259=909-195+894=956+492+635=724+245×4=929-(75+268)=485-173+148=47×4+763=496-260-151=19+672+139=471-(434-359)=357+16-295=95+555+203=818+(358-171)=277×4=42×4=994×5=289-(423-381)=272-61=443×3-867=465×(190-186)=406+(254-78)=132×2+16=296-185+239=124×5-59=728-(19+188)=689-(92+328)=323-(409-251)=431-425+168=102+(958-250)=170-12-90=623-128+726=368+188+165=168×3=261-245+133=698-42=428-(342-299)=947+252-383=17×4+211=567+471=296+352-500=983-234+664=323×5=42-11×2=177-10×9=595+(846-654)=236×6-708=296-(236-150)=190+199=437-418=14+(386-153)=73+300=378-240=240+512=824-180-65=640-(155+52)=998-(65+832)=324+62×4=241×4+78=829-74×2=970-131+115=72+(435-177)=578-(42+39)=383×2+136=737+623=246-128=245+379+782=13×(51-42)=61+(395-143)=187+38=121+311=462+624+641=483-382+258=164×(466-462)=978-562-26=355-(860-622)=659+(851-17)=150-130=122×6-682=532-476=934×(915-908)=666-658+908=463-185-227=499-25=362-45=541-(907-597)=589+245+733=605+229+13=111+292+464=175×6=241×4=923-268+697=507+(789-477)=412-54×2=398+323=14×(294-289)=273×2-375=220-34×2=409-(543-492)=624×(910-901)=413-29×5=999-268-144=995-78×5=296-(289-85)=476-(466-423)=20×(43-35)=892-298=121×(469-462)=386-89=668-147×4=488-(466-435)=382+876-638=295-(178-23)=177×4=167-21-110=245-72=967+998=84+395-274=373-50-162=311×6-11=652-360+355=108+34×5=7/9-1/9=426-73-276=481-401-53=755-201-203=55×(805-800)=337+467+72=711×3=120+278-292=301+332+172=415×2-476=682-52×5=260×2-185=316+491-620=128×(401-395)=441+(813-32)=478-99-164=859-192-102=474-(233+225)=870-(655-389)=630+342+949=146+(276-230)=922-135×2=147+683+24=86-36=266×3-186=211+520+184=143+66×4=373×3-539=727×(434-429)=845-586=239×3-371=86+387-121=929-633-279=440-218×2=547-287-222=336+124-324=687+805=361×3=282-(165+99)=63×(169-163)=104×(127-121)=444-(396-191)=23×2+218=674-23×6=288+814-205=434+690-855=485+46×6=323-54-45=377-(421-335)=433-42×4=103×5-25=369-329=478-397+153=152+292+261=74×(492-488)=377-(227+34)=221-218+105=322-91×2=417×2-754=171×(313-310)=479+414=836-(382+234)=253+228-322=565×9=812+664+475=80×2=617-(866-406)=159×5-214=863+(866-264)=818-(149+168)=105+461+196=132+169=454+(490-60)=166+182-222=442-314=657×7=432+(854-34)=939-(697-159)=889-90×7=261-155-60=195+(608-29)=971-440-511=495+(997-573)=138+107×3=906×(863-854)=964×4=377+(346-23)=527×2-763=64×5=679-84-128=413-(166+79)=151×2+960=547×(77-68)=333-(272-102)=154+94+579=666+223-656=757+995+553=15×(150-141)=27+(412-262)=40+222=232-(368-176)=719+321+58=117+166+179=343-102-16=107+(934-643)=829-387-261=454-200-48=80×3=767-267-460=132×(235-231)=295+870-845=407-93-312=487-93×3=226-29×7=411-47×3=270-(32+111)=1/4+2/4=863+415=784×(713-706)=380-181=433+(879-608)=291+817+785=441-(404-42)=1/5+2/5=570-(331+157)=877-(779-730)=200×3-238=449+12-210=118×(367-364)=765-186×4=299-92-96=294×3+226=526-55×6=560+147=855-201+936=975-347-154=196+213×3=692-51×9=641-342-128=433-(257+33)=73-52=630-(18+23)=461-(128+221)=113×2=255-16×4=768+237×2=757×2=515×(215-212)=337+232+896=92×4+667=457-243+222=253×3=194×2+181=705-68+763=573+155=502-(380-23)=324+445=29+(911-581)=396+(413-75)=65×(966-959)=996+859=877×(509-503)=559-(54+74)=786-637+481=118+382+42=631-155=877×8-149=76×7-173=224-129+91=227+593-633=930-41+801=151-(298-278)=312+(431-268)=459-39-381=18+92=857-(355+84)=400-378=563+269=211+536=72×8+109=798+712-115=552+(460-315)=173-(370-252)=720-706+869=619×4-839=107+377=200×2-77=393+(402-55)=137+232=786-283-271=877-32-411=123×8=280+28-299=213+714+383=1/5+3/5=371×(506-499)=750×3-668=683+392-650=755-47×3=109-(343-332)=67+287=734×7=298-233-57=124+(740-499)=258×(486-483)=908+870+604=585-64×2=697-177-149=737-142×2=749-147+457=337-313+77=220-31×6=800-(177+220)=120+378=618+146-526=20×(170-167)=425-39×8=895×3-518=478×2-415=272-270+125=54+156-112=244-222+218=977+479-472=625+418=408-(45+197)=51×3-22=471-379=140+198=204-112+16=527+330+53=483-61=111×5+354=282+316+145=321-43×3=4/5-1/5=233+(226-160)=184-(162-137)=409+385+33=429-(33+354)=363+679+215=209+150-256=368-81-237=4/9+2/9=260-81+37=447×2-450=418-(355-197)=423-25×5=433-(442-217)=441-185+93=400×7=239×4-560=377-212=819-(412+109)=778×9-314=599-199-319=324×3=41+458-114=53×7=80+362=27×5+293=75×8-507=275-252+802=91+(870-154)=214+196×4=171+439-509=80+282=775-(14+76)=489-153=281×(289-286)=405-343+83=794-(855-525)=687-(283+333)=582×7-495=799-411=47+618+257=939-156-166=452-142×3=928-(402+174)=284-136×2=454+20-340=218+30+83=559-40×6=75+321-61=999+860+655=106×8-303=240+337+353=733×(697-691)=212+118=433-(323-138)=322×2+140=204×4-516=179+(274-201)=128-17×6=309-54×2=779+863-526=481+74×3=472-(139+294)=275+82-11=165+94-145=861-164-369=93×(167-164)=229×6-446=24×9+245=740-17+547=123×6=516×2=740+167-263=476×(901-897)=457-359-42=20×7=300×2=12+317-118=443-249-188=342-42=58+325=712+315×2=406×2-788=468-(389+74)=421-231=104+(178-133)=5/7+2/7=427-(283+54)=456-(99+303)=791-107×2=319-(399-298)=162×(310-304)=477×8-262=653-(749-485)=402×(763-758)=263+(233-34)=471×8-570=897×7-752=412×2+857=37×9=372-(22+207)=144-(64+77)=412-(592-408)=1/7+2/7=1/6+3/6=461×(127-121)=351-230=3/7-2/7=143+75-99=2/6-1/6=264×3-598=830-344=366+(83-33)=44×9=647+763=124+698=857-119-723=269+73=681-331×2=649+757=87+878-551=398-265=909+942-743=741-(303+340)=408-(417-76)=101+(982-642)=238-32×6=361+128=86×9+78=326+(459-168)=77×7-415=827+674-232=2/10+4/10=605×9-157=574+198+51=330-206=125-36=428+107×3=644×8-637=454-(389+15)=884-(148+108)=3/6-1/6=415-(144+192)=141+310+113=276×(808-800)=117+363=249×3-224=497-446=241+546+983=172-36+718=865-789=326+377=318×3-35=762-223×2=456-(305-227)=309×6-140=649+(170-150)=665×6=492-293-131=2/8+4/8=999-989+829=164+(367-130)=824×(821-816)=721+103×2=395+(71-48)=362×2=119+258=337+812+96=165+(717-715)=32×(719-716)=79+195-270=835-(948-397)=832-(310+414)=272×5-637=385+98=285-21+810=296-(159+62)=670-(316+95)=685-161-441=956-57×3=644+102×5=885-77×2=149+321×3=637+581-823=838-59×5=212+158=491-124×3=436-287-12=464-(340+122)=791-360-138=242+(378-213)=173-(145-127)=255+314+87=131-50+28=329-44=394-328=992-547+289=326×4=670×7=979-699=186×2+288=498-11×3=840+12×2=8/10-2/10=433-83×5=44+231+367=236-51=91×(52-48)=454×2+457=726×4=153+232+452=929-436+894=840+(524-17)=104×6+193=357-150-129=168-88+168=12×(223-217)=852-88=355+(106-32)=751-80=149×(364-360)=442-327+380=367+61×3=4/7-2/7=918-(890-824)=310+122-173=161×2+156=750-320=220+120-296=203+194-48=15×2-18=251+30-269=427-152=161×5=249+91×7=769+471-852=857-193×4=495-476+466=313×(519-512)=18×4+367=850-369-381=280-(268-10)=428-190×2=407-94×3=355+221+163=661-161=26×3=531-(999-773)=956-(259+428)=375-202-108=898+767+466=949+715-599=參考答案125×(80-75)=625470-(540-290)=220798-325+913=1386914-95=819369-72×3=15369×7=483220×3=660100×(219-214)=500393×5-858=1107106+20-54=72802-39×3=685147-33-83=31412-64×5=92510+206+662=137898×3=294374-(322-101)=153856-394-202=260195+321×2=837129×6+179=953308+22×2=352439-186+68=321115+964-207=872154×2+801=110942×(184-180)=1683/8+4/8=7/8108×(296-291)=540676-126-309=241216×(383-380)=648998-(238-97)=857255×(326-317)=229536+335-188=183703-(435-69)=337989-(585+401)=3134+89=223179+(466-173)=472381-62-53=266787-696+667=75876×2=152757-(729-24)=5253×3=159250-(81+139)=30526+226+309=1061441+(411-237)=615268+991+338=1597405-(173+83)=149279-40=239310-102=20890+385=475534×2-61=1007633+709+221=1563461+70+326=857279+(769-253)=79573×7=511397-(57+313)=27248-20×8=8833×9+99=396176+429+204=80966+24×8=258938-472=4663/6+2/6=5/6249×9=2241199×2=398848-743=105133+(795-790)=138353+459-109=70335×8+60=340253+466+27=746910-(785-218)=343109×9-404=577372-255+59=176167-32+239=374104×7=728775-73=702188+234=422365+(445-36)=774610-(838-288)=60942-845=9746+(404-219)=231158-64+312=40668-46-16=6193-70+679=802818+838=1656422-203-24=195624+185=80975×7=525348-154-188=697+83=180575-212+414=777383×2-508=258125×5=625395-(230+138)=2791×(43-34)=819592+137×4=1140451-(277+161)=13108+(717-118)=707605+146+75=826206-167+136=175343-61×3=160339-120-173=46231+118=349599×3=1797564×5=2820192+218-326=84362-302+429=489199×4-61=73595×6-332=23881×5-141=264110+(404-100)=414899+892-430=1361397-(181-55)=271568×(396-387)=5112472-(500-74)=46370+(352-64)=658441+811-857=395257×(79-75)=1028444-(21+335)=88985×(98-94)=3940400-(137+109)=154456×8-250=33982/5-1/5=1/5395-(239+26)=130318-228+253=343247+680=9273/5-2/5=1/5646+855-753=748448-53×3=289931×8=7448172+130×6=95287+409=496868-93×7=21710×6+164=224777-(336-266)=707587×8-559=4137176+(332-69)=439603×3-379=1430132×(785-781)=528860-497=36369+(472-296)=245166×6+508=1504336-39×4=180233-161=72313×(75-72)=93917+230-51=19635×4=140409+61+118=588184×(536-528)=1472936-784+627=779255+125=380783-(623-514)=674478+257×2=992786+(850-221)=1415183+49=232971-284×3=119103×7+679=1400307×2-406=208837×2=1674993-(54+395)=544490+246×2=982951+289+185=14252/8-1/8=1/8731-196-82=453852-245-368=239987+996-189=179467×6+127=529143+182=325606+98+740=1444185×6=1110310-(206-195)=29988-53=35923+597+967=248798×(257-248)=88248×2=96100+180+587=867282-25×7=107494-174-141=179734+973+859=2566282×3=846104×3-269=43335+835=1170116+916-391=64112×(566-557)=10836-(399-374)=1166×(249-245)=264378-328=50434-200-215=19347+202=549481-349+14=146948-98+492=1342153+62=215706-(669-626)=663307+184-55=43640+(60-35)=65199-128+51=122948-(74+126)=748776×5=388013+302+191=506184+92×5=644313-147+296=462345-133-65=147121×3-230=133498-(401+41)=56815×9=7335253-99+887=104132×6=192278+85×8=958404+846-983=267451-292+24=18372+74×6=516367-47×6=85487-(45+182)=260120×(435-427)=960812-731=81446+116=56222+(202-97)=12783+374=4574/8-3/8=1/8500-210=290204-111=93303+197-65=435728-665=63720-(530+121)=69301-135-36=130834-(226+516)=92777+249+489=1515355+(713-707)=361211+(450-91)=570553×5-981=1784720-32×6=528908-556+803=1155819+(428-413)=834139+(429-14)=554353+(68-30)=391192-(433-403)=162205+81=286386-(980-699)=105115×(67-64)=345731×(472-463)=6579426-387=39690-(407-389)=672479-(70+295)=1142/10+7/10=9/10417-(43+283)=91358+108×3=682244-(48-27)=223105+145-54=196290-(314-235)=211264-33×5=99690×7=4830237+677+84=998276+161×2=598463×6-138=2640886-(727+148)=11209+193=402889-634+758=1013435-(350+53)=326/8-1/8=5/8197-(639-553)=111436-259=177909-195+894=1608956+492+635=2083724+245×4=1704929-(75+268)=586485-173+148=46047×4+763=951496-260-151=8519+672+139=830471-(434-359)=396357+16-295=7895+555+203=853818+(358-171)=1005277×4=110842×4=168994×5=4970289-(423-381)=247272-61=211443×3-867=462465×(190-186)=1860406+(254-78)=582132×2+16=280296-185+239=350124×5-59=561728-(19+188)=521689-(92+328)=269323-(409-251)=165431-425+168=174102+(958-250)=810170-12-90=68623-128+726=1221368+188+165=721168×3=504261-245+133=149698-42=656428-(342-299)=385947+252-383=81617×4+211=279567+471=1038296+352-500=148983-234+664=1413323×5=161542-11×2=20177-10×9=87595+(846-654)=787236×6-708=708296-(236-150)=210190+199=389437-418=1914+(386-153)=24773+300=373378-240=138240+512=752824-180-65=579640-(155+52)=433998-(65+832)=101324+62×4=572241×4+78=1042829-74×2=681970-131+115=95472+(435-177)=330578-(42+39)=497383×2+136=902737+623=1360246-128=118245+379+782=140613×(51-42)=11761+(395-143)=313187+38=225121+311=432462+624+641=1727483-382+258=359164×(466-462)=656978-562-26=390355-(860-622)=117659+(851-17)=1493150-130=20122×6-682=50532-476=56934×(915-908)=6538666-658+908=916463-185-227=51499-25=474362-45=317541-(907-597)=231589+245+733=1567605+229+13=847111+292+464=867175×6=1050241×4=964923-268+697=1352507+(789-477)=819412-54×2=304398+323=72114×(294-289)=70273×2-375=171220-34×2=152409-(543-492)=358624×(910-901)=5616413-29×5=268999-268-144=587995-78×5=605296-(289-85)=92476-(466-423)=43320×(43-35)=160892-298=594121×(469-462)=847386-89=297668-147×4=80488-(466-435)=457382+876-638=620295-(178-23)=140177×4=708167-21-110=36245-72=173967+998=196584+395-274=205373-50-162=161311×6-11=1855652-360+355=647108+34×5=2787/9-1/9=6/9426-73-276=77481-401-53=27755-201-203=35155×(805-800)=275337+467+72=876711×3=2133120+278-292=106301+332+172=805415×2-476=354682-52×5=422260×2-185=335316+491-620=187128×(401-395)=768441+(813-32)=1222478-99-164=215859-192-102=565474-(233+225)=16870-(655-389)=604630+342+949=1921146+(276-230)=192922-135×2=652147+683+24=85486-36=50266×3-186=612211+520+184=915143+66×4=407373×3-539=580727×(434-429)=3635845-586=259239×3-371=34686+387-121=352929-633-279=17440-218×2=4547-287-222=38336+124-324=136687+805=1492361×3=1083282-(165+99)=1863×(169-163)=378104×(127-121)=624444-(396-191)=23923×2+218=264674-23×6=536288+814-205=897434+690-855=269485+46×6=761323-54-45=224377-(421-335)=291433-42×4=265103×5-25=490369-329=40478-397+153=234152+292+261=70574×(492-488)=296377-(227+34)=116221-218+105=108322-91×2=140417×2-754=80171×(313-310)=513479+414=893836-(382+234)=220253+228-322=159565×9=5085812+664+475=195180×2=160617-(866-406)=157159×5-214=581863+(866-264)=1465818-(149+168)=501105+461+196=762132+169=301454+(490-60)=884166+182-222=126442-314=128657×7=4599432+(854-34)=1252939-(697-159)=401889-90×7=259261-155-60=46195+(608-29)=774971-440-511=20495+(997-573)=919138+107×3=459906×(863-854)=8154964×4=3856377+(346-23)=700527×2-763=29164×5=320679-84-128=467413-(166+79)=168151×2+960=1262547×(77-68)=4923333-(272-102)=163154+94+579=827666+223-656=233757+995+553=230515×(150-141)=13527+(412-262)=17740+222=262232-(368-176)=40719+321+58=1098117+166+179=462343-102-16=225107+(934-643)=398829-387-261=181454-200-48=20680×3=240767-267-460=40132×(235-231)=528295+870-845=320407-93-312=2487-93×3=208226-29×7=23411-47×3=270270-(32+111)=1271/4+2/4=3/4863+415=1278784×(713-706)=5488380-181=199433+(879-608)=704291+817+785=1893441-(404-42)=791/5+2/5=3/5570-(331+157)=82877-(779-730)=828200×3-238=362449+12-210=251118×(367-364)=354765-186×4=21299-92-96=111294×3+226=1108526-55×6=196560+147=707855-201+936=1590975-347-154=474196+213×3=835692-51×9=233641-342-128=171433-(257+33)=14373-52=21630-(18+23)=589461-(128+221)=112113×2=226255-16×4=191768+237×2=1242757×2=1514515×(215-212)=1545337+232+896=146592×4+667=1035457-243+222=436253×3=759194×2+181=569705-68+763=1400573+155=728502-(380-23)=145324+445=76929+(911-581)=359396+(413-75)=73465×(966-959)=455996+859=1855877×(509-503)=5262559-(54+74)=431786-637+481=630118+382+42=542631-155=476877×8-149=686776×7-173=359224-129+91=186227+593-633=187930-41+801=1690151-(298-278)=131312+(431-268)=475459-39-381=3918+92=110857-(355+84)=418400-378=22563+269=832211+536=74772×8+109=685798+712-115=1395552+(460-315)=697173-(370-252)=55720-706+869=883619×4-839=1637107+377=484200×2-77=323393+(402-55)=740137+232=369786-283-271=232877-32-411=434123×8=984280+28-299=9213+714+383=13101/5+3/5=4/5371×(506-499)=2597750×3-668=1582683+392-650=425755-47×3=614109-(343-332)=9867+287=354734×7=5138298-233-57=8124+(740-499)=365258×(486-483)=774908+870+604=2382585-64×2=457697-177-149=371737-142×2=453749-147+457=1059337-313+77=101220-31×6=34800-(177+220)=403120+378=498618+146-526=23820×(170-167)=60425-39×8=113895×3-518=2167478×2-415=541272-270+125=12754+156-112=98244-222+218=240977+479-472=984625+418=1043408-(45+197)=16651×3-22=131471-379=92140+198=338204-112+16=108527+330+53=910483-61=422111×5+354=909282+316+145=743321-43×3=1924/5-1/5=3/5233+(226-160)=299184-(162-137)=159409+385+33=827429-(33+354)=42363+679+215=1257209+150-256=103368-81-237=504/9+2/9=6/9260-81+37=216447×2-450=444418-(355-197)=260423-25×5=298433-(442-217)=208441-185+93=349400×7=2800239×4-560=396377-212=165819-(412+109)=298778×9-314=6688599-199-319=81324×3=97241+458-114=38553×7=37180+362=44227×5+293=42875×8-507=93275-252+802=82591+(870-154)=807214+196×4=998171+439-509=10180+282=362775-(14+76)=685489-153=336281×(289-286)=843405-343+83=145794-(855-525)=464687-(283+333)=71582×7-495=3579799-411=38847+618+257=922939-156-166=617452-142×3=26928-(402+174)=352284-136×2=12454+20-340=134218+30+83=331559-40×6=31975+321-61=335999+860+655=2514106×8-303=545240+337+353=930733×(697-691)=4398212+118=330433-(323-138)=248322×2+140=784204×4-516=300179+(274-201)=252128-17×6=26309-54×2=201779+863-526=1116481+74×3=703472-(139+294)=39275+82-11=346165+94-145=114861-164-369=32893×(167-164)=279229×6-446=92824×9+245=461740-17+547=1270123×6=738516×2=1032740+167-263=644476×(901-897)=1904457-359-42=5620×7=140300×2=60012+317-118=211443-249-188=6342-42=30058+325=383712+315×2=1342406×2-788=24468-(389+74)=5421-231=190104+(178-133)=1495/7+2/7=1427-(283+54)=90456-(99+303)=54791-107×2=577319-(399-298)=218162×(310-304)=972477×8-262=3554653-(749-485)=389402×(763-758)=2010263+(23