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100×(342-335)=178+237-280=186+110+231=956-(36+344)=178+422+271=142+272=855-185=326-(41-26)=60×9-330=57+109×6=239+640=520-154-122=895-(573-362)=77+248=71-51=79×(198-190)=488+(349-288)=407+74+362=431-250-159=844+689+889=267×2=371×(221-216)=256-142+138=403×2-490=537-100×5=5/10+2/10=285+(302-66)=206-41×4=81×8=184×7=491-247+265=437-(469-274)=43×7-213=71-(851-801)=266+409-618=351+(345-73)=125+146=475+166=81×(753-747)=796+171×3=444-193-47=316+307-420=143+70-140=866+833-870=471-154-70=567-56×8=2/7+3/7=170×5=48+35×8=442-87×5=325+146=110×7+405=402+788-971=81×5=662+(798-732)=33×5+283=185×7-495=879-466+58=223-12=365+308=51×6+210=681-58=983-65×9=107+(420-366)=356+156=828-(304+89)=532-87=469-(114+173)=418-(260+100)=96×(376-367)=39+343-43=813+782-714=290+(756-647)=206-42×3=665-17×6=433+(612-42)=309×(411-408)=308-101+270=852-552=544×(119-116)=109×7-486=485+360+153=629+(985-755)=509×9-289=3/5-1/5=238×(499-496)=2/8+5/8=157-68+286=462-(384+69)=287-(50+236)=33-(62-31)=994-326-498=838+277=457-196=79+769-435=668×4=902-172×5=256×2+460=986+148-306=952-605=276+97+199=435-227=102×9+917=854+(958-766)=530×8-801=125×2-14=166-116-29=131+(422-194)=264-129+808=98+129=350+(473-452)=965-(975-163)=69×(135-128)=478-290+864=184+408×2=810-348+389=533+680=159+407×2=503×7=773-(506+241)=960-950=291+252+39=764-(111+121)=999-24×5=383-303=236+715+210=716×7-982=476+10×2=294×2=964-651=988×4=573+456×2=372+67=200×(92-89)=249-(195-126)=50+192-33=553×4-30=103×8=87+169×4=609+22+35=941+(998-389)=181+285=100+(535-280)=6/10-2/10=84+665+56=385×2+139=536+836=97×(126-117)=381-34+109=972+644+200=185×(34-31)=462-(29+124)=78+202=949-664-152=263-(455-345)=680-95-556=258-27×3=468-67=136+271=259-10×8=891+194+556=534+456+555=241-10-72=126+13×3=629+492-401=25+489+97=220+226=242+(956-129)=394×2=694-(732-330)=471-287+284=920-185-75=935-(591-490)=624+233+18=646-368=441-49×7=935-329+29=431-106-221=60+436-395=2/7+5/7=603+260+976=4/9+5/9=425-287=678-(530+30)=57×(466-459)=696×7-565=151×3=458-(468-152)=594+914-867=436-135×3=164-35-61=208+518+105=994-(814-168)=261×2+300=164+630-329=914-347×2=370+(798-31)=473-(298+74)=986-782+502=458+168×2=208+703-596=431+(323-269)=299×2-597=282-(408-397)=281-26×6=699+806+92=465×5=374-(68+288)=114-76=81×8-179=496×6=468-360=933-523+610=264+438+236=343×2+309=5/8+2/8=930×(39-36)=89×8+208=2/6+3/6=481-(131+36)=934×(457-448)=5/7-1/7=516+911+81=433×2-467=501×(523-520)=236+28×8=917×8=285-(192+41)=244-175+321=339+298=285-(416-279)=933+864=313×8-329=313-(57+201)=477-134×2=39+368+128=409-394+416=422-74×5=911-40×7=273-30=70+(258-165)=58×9+253=296-(361-222)=475-70=16×8-28=307-32×9=365-28-92=889-(948-480)=811+431=449+96+265=29+(317-299)=463+195×5=761-701=61×9=398+56-448=321-(119+177)=112×(88-83)=586×5-684=175-171+221=573×(473-468)=257+96=300×(687-679)=18×6=119+254+52=464×(632-623)=157+439-252=271+440=464-227-82=44×(197-188)=823×5-570=965-66×6=239×3=2/6-1/6=63×2+113=994-132=435-155=417-318+73=577+648=15+677+209=729-213×3=723×(193-185)=290+294+378=93×4-369=689-(341-332)=470-(35+197)=461-59=847-(815-323)=367-195+254=509+194-194=369-272+50=320+249=819×4-742=77×(448-442)=557×(493-484)=812-11×7=313+118+404=291+264=125-104=109×(551-547)=885-82×5=825-53×3=370-39×8=407-251-142=299×4=82×5=527×4-241=416-222+839=724×4-261=469+386+87=978×(693-690)=465-367+10=225×3-43=83×2=933×9=269-(69+166)=363-32×3=120×6-423=396-14×6=300-255=422×2-837=416-(906-837)=830-(875-809)=118×6+257=558-36×4=389+249=755-(790-243)=243×4-532=921+(948-233)=473-270+379=104+354-420=317×4-390=30+61-58=748-(368+60)=170+638=172+78=121+494-80=792-409-76=59-(96-65)=923×(596-587)=442-218=890×7=33×8=118×3=465+928-909=115+330=704-(196+35)=578-78-310=105×2=332-145-92=417-109-259=902+(968-520)=95+(861-83)=51-13×3=62+137=342-35-120=106+314=975-(241-143)=163-(52+25)=426×2+136=190-(499-447)=499-15×6=186+430=44×4+225=690×5-178=660-218-73=2/3-1/3=50×7+495=868-71×5=4/6-2/6=466+64×2=362+659-25=633-72-518=213×4=870×3=3/8+2/8=57+155-132=45×(263-256)=739-(398+105)=295×4=635-60×7=238-178=79×5=135+16+703=141+62×6=526-288=483×2+662=317+(948-914)=367+991+677=476+(306-68)=282+181=103+208-135=155×6+641=742-(429-314)=363×(232-225)=748-123-149=242×4-101=14+(243-27)=4/7-2/7=15+422-82=39×8+575=495-(31+11)=862-271-174=486-209=301+163=979-850-29=853+912=892-(225+142)=14×(251-242)=762-503+460=837-(822-217)=405-324=221+684+571=172+301=871+744-443=247×5-310=93×9=417-(224-122)=393-(315-106)=464+218×2=105×5-53=195+877+608=560-(171+43)=377-69-296=888-225+343=824+714-111=27+42=400+125×4=539×2=503+270-605=325-21×2=380-166+77=134×2+237=75+(712-193)=3/7-2/7=135+79-120=526-89+284=354-19=18×3=133+178=78×2=981+868-952=524+290-586=197-46-70=308-263+107=372-314+117=277+(831-607)=442-299-81=376×7=159×2+129=62×3=212×(237-233)=471-272=933-239=376-334-27=141-(54+69)=257-119+360=444+236+667=259×5=611+(970-665)=95×6-483=463-(249-100)=46×(290-287)=10+(987-48)=116+(495-410)=487-28×3=404-(365-215)=956×4=388-284=358+(184-178)=900+461+550=312-23×7=933-53×6=52×7-270=205-201+24=101+576=82×5+354=484-386+31=168-(12+24)=493-400+125=304-136-149=89×7=220+274-351=307-20×9=287+212×4=549+64×5=770-(792-354)=847-(923-289)=69+264-156=385-221+107=443-(93+310)=421+463+55=51×7-127=154+244-123=690-105-471=696+43×3=138×(51-44)=954+549-892=786+639=299×3-192=699-(652-177)=118-33=410-225-85=313-142×2=410-98=444+(953-636)=277×6=122×3+206=369+328+187=153+438+30=79+102=172+613=54×7+142=235-22×4=121×(336-333)=637-561=692-181-489=341-141-125=582-301+429=998+423+761=862×(518-515)=145+340=231-131-18=838×8-547=235+(418-58)=174-137=314-267+289=483+(405-141)=974-(567+146)=72×7=269-168+830=294-(43+48)=86×(301-294)=560+878+261=488-175+154=71+142=247-175=33+(629-55)=158-(457-380)=194×2=133+206-176=634×2-117=306+(488-231)=409+384=730+(336-112)=24×(403-398)=305-12×8=253-157+187=131+293-163=444-(469-35)=136×5=435+591-697=101+334-299=160+191=390-(16+373)=378+84×6=432+(357-273)=956-705+649=687-(301+226)=861-(627-353)=135+(360-203)=112+203=270+52=283+203+40=364-(459-388)=330+(672-200)=145+638+161=169×4-33=873-150+40=93×8-418=632+855-912=595+389×2=79+246=429+937+69=830×2-620=350+(373-125)=98×7+844=627-(176+443)=445-(496-117)=324+131=304+26-201=725+(917-907)=123+(201-128)=229×3=236-(23+41)=73+327=96×4=451-(21+146)=164-(743-684)=950-98-563=826-295×2=361+124-481=244-80×2=450-(222+201)=367-(122+132)=170+257=6/9-3/9=72+274+331=593-(319-172)=294-(138+104)=316+673+553=672-277=829-287+428=963-706=480-(219+39)=68+264-192=134+312-428=190-(108-32)=935-526-246=162+(453-408)=746-269-226=308-(333-326)=294-67×3=832-33×8=860-(92+85)=54×3+997=624-54+341=249-19×8=116+325-371=738+872+768=545-259=570+(298-286)=312-228+250=937-590=29×2=34×(218-214)=889-(258+204)=220-99+668=428-(359-222)=691×9-375=3/6-2/6=479-248+128=416-(468-187)=262-257+233=168+445+219=217+124=192×2-189=284-(448-365)=215-(99+76)=152×6=721-106+104=312-29-181=363+(460-370)=637-160=488+90×7=55+126-27=404+(363-25)=791-455-33=125×2=36+(474-381)=103×9-534=394-35×9=986-(103+70)=477+159=471-85=490×6=54+335-266=17×(493-488)=789×(313-310)=529-402+111=453×(996-992)=421-(189+101)=146+960-185=270+(172-157)=846×6=116+158-109=325×9-860=228+242=488-(196+126)=412-14×5=58+(434-259)=719-209-129=476-334=495-(438-152)=388+350+258=85×9-79=836+989=954-265+865=571-172×2=212-(260-142)=53-41+147=40+(456-446)=247-20-189=930×(790-785)=658-(32+483)=935×(629-624)=892×7-181=661-251-120=259-19-81=846+(211-152)=828-82×6=458-24=558-199×2=4/7-3/7=419-404+394=571+17-309=380-115-60=27×(279-276)=110×2-162=948×(691-684)=201+76+25=185-30×4=815-(154+364)=225×(25-21)=42×(559-552)=135+156×5=973×4=139×(247-242)=261-71=841-(169+200)=118×(230-224)=587+155×4=943-(591+75)=686+(964-515)=81×8-432=369×2=154×(366-363)=451-442+130=494×(914-908)=444-(138+275)=795-(493-490)=373-(256-145)=443-(332+22)=608+(921-51)=238×2-339=462-44×3=909+(790-203)=129+524+939=481×2-132=91×3-148=219-99-12=618×9-110=661×3=247+126+999=160×(297-291)=773-245-152=900+651+69=81×9-633=346-285+99=301+(396-12)=869-96×2=804-(426+137)=296×3=14×2+470=369+81+32=150-(439-367)=685-242-144=753-(255+345)=196×(304-300)=659+465-199=384+34×8=297-(297-199)=419+105+187=255+197-280=340+(497-112)=375-131-99=837-272=256-57-145=469-46=768-240-58=472-68×5=868+851+97=381-352+126=187×2-294=224×(235-231)=331+225×2=67+315-336=107×2+689=806×(731-724)=126+675=28×5=179+(816-477)=140×6-702=965-(713-638)=461-(28+353)=47+(351-157)=128+275+326=790-80×6=345×6-622=179×(149-144)=740-363=6/8-1/8=383-(15+329)=211-(52+145)=77×(155-149)=72×3+170=2/5+3/5=994-284=304×9-405=962+174+402=308×7-344=168+115×7=26+301×2=357-85×3=245×4=421-53×6=873-156-212=1/8+4/8=59×7-58=109-(901-900)=238×5-494=720-(455-120)=832+358×2=499-18-450=819+95+566=172+108-207=242-53=436-(120+40)=135×(357-350)=55×7=267-(41+32)=449-(322-121)=172+167-304=52+50=446+(251-218)=186-(47-15)=50+18+897=327-(356-173)=4/6+2/6=365-349=615+(822-220)=885-824=606×3=358×(275-272)=423-180×2=283+264-483=501+168=228-(271-165)=385-91+176=356-33-54=648-331+368=790-313-128=874-(368+431)=95×8=447-58×6=638-(846-484)=309×2+360=332-236-91=473-(211+73)=910-206=35+262-113=32×7=849+675+995=920-34×4=137×3+354=212-159+270=1/4+2/4=480-58=105+632+153=335+35-299=152+277×3=355+630=335-(342-170)=403-54-122=12×(45-37)=437-118-51=975-379-556=375-101=249+308+237=972-164+307=390-212=922-381+623=294-97-130=410-334+582=425-199=参考答案100×(342-335)=700178+237-280=135186+110+231=527956-(36+344)=576178+422+271=871142+272=414855-185=670326-(41-26)=31160×9-330=21057+109×6=711239+640=879520-154-122=244895-(573-362)=68477+248=32571-51=2079×(198-190)=632488+(349-288)=549407+74+362=843431-250-159=22844+689+889=2422267×2=534371×(221-216)=1855256-142+138=252403×2-490=316537-100×5=375/10+2/10=7/10285+(302-66)=521206-41×4=4281×8=648184×7=1288491-247+265=509437-(469-274)=24243×7-213=8871-(851-801)=21266+409-618=57351+(345-73)=623125+146=271475+166=64181×(753-747)=486796+171×3=1309444-193-47=204316+307-420=203143+70-140=73866+833-870=829471-154-70=247567-56×8=1192/7+3/7=5/7170×5=85048+35×8=328442-87×5=7325+146=471110×7+405=1175402+788-971=21981×5=405662+(798-732)=72833×5+283=448185×7-495=800879-466+58=471223-12=211365+308=67351×6+210=516681-58=623983-65×9=398107+(420-366)=161356+156=512828-(304+89)=435532-87=445469-(114+173)=182418-(260+100)=5896×(376-367)=86439+343-43=339813+782-714=881290+(756-647)=399206-42×3=80665-17×6=563433+(612-42)=1003309×(411-408)=927308-101+270=477852-552=300544×(119-116)=1632109×7-486=277485+360+153=998629+(985-755)=859509×9-289=42923/5-1/5=2/5238×(499-496)=7142/8+5/8=7/8157-68+286=375462-(384+69)=9287-(50+236)=133-(62-31)=2994-326-498=170838+277=1115457-196=26179+769-435=413668×4=2672902-172×5=42256×2+460=972986+148-306=828952-605=347276+97+199=572435-227=208102×9+917=1835854+(958-766)=1046530×8-801=3439125×2-14=236166-116-29=21131+(422-194)=359264-129+808=94398+129=227350+(473-452)=371965-(975-163)=15369×(135-128)=483478-290+864=1052184+408×2=1000810-348+389=851533+680=1213159+407×2=973503×7=3521773-(506+241)=26960-950=10291+252+39=582764-(111+121)=532999-24×5=879383-303=80236+715+210=1161716×7-982=4030476+10×2=496294×2=588964-651=313988×4=3952573+456×2=1485372+67=439200×(92-89)=600249-(195-126)=18050+192-33=209553×4-30=2182103×8=82487+169×4=763609+22+35=666941+(998-389)=1550181+285=466100+(535-280)=3556/10-2/10=4/1084+665+56=805385×2+139=909536+836=137297×(126-117)=873381-34+109=456972+644+200=1816185×(34-31)=555462-(29+124)=30978+202=280949-664-152=133263-(455-345)=153680-95-556=29258-27×3=177468-67=401136+271=407259-10×8=179891+194+556=1641534+456+555=1545241-10-72=159126+13×3=165629+492-401=72025+489+97=611220+226=446242+(956-129)=1069394×2=788694-(732-330)=292471-287+284=468920-185-75=660935-(591-490)=834624+233+18=875646-368=278441-49×7=98935-329+29=635431-106-221=10460+436-395=1012/7+5/7=1603+260+976=18394/9+5/9=1425-287=138678-(530+30)=11857×(466-459)=399696×7-565=4307151×3=453458-(468-152)=142594+914-867=641436-135×3=31164-35-61=68208+518+105=831994-(814-168)=348261×2+300=822164+630-329=465914-347×2=220370+(798-31)=1137473-(298+74)=101986-782+502=706458+168×2=794208+703-596=315431+(323-269)=485299×2-597=1282-(408-397)=271281-26×6=125699+806+92=1597465×5=2325374-(68+288)=18114-76=3881×8-179=469496×6=2976468-360=108933-523+610=1020264+438+236=938343×2+309=9955/8+2/8=7/8930×(39-36)=279089×8+208=9202/6+3/6=5/6481-(131+36)=314934×(457-448)=84065/7-1/7=4/7516+911+81=1508433×2-467=399501×(523-520)=1503236+28×8=460917×8=7336285-(192+41)=52244-175+321=390339+298=637285-(416-279)=148933+864=1797313×8-329=2175313-(57+201)=55477-134×2=20939+368+128=535409-394+416=431422-74×5=52911-40×7=631273-30=24370+(258-165)=16358×9+253=775296-(361-222)=157475-70=40516×8-28=100307-32×9=19365-28-92=245889-(948-480)=421811+431=1242449+96+265=81029+(317-299)=47463+195×5=1438761-701=6061×9=549398+56-448=6321-(119+177)=25112×(88-83)=560586×5-684=2246175-171+221=225573×(473-468)=2865257+96=353300×(687-679)=240018×6=108119+254+52=425464×(632-623)=4176157+439-252=344271+440=711464-227-82=15544×(197-188)=396823×5-570=3545965-66×6=569239×3=7172/6-1/6=1/663×2+113=239994-132=862435-155=280417-318+73=172577+648=122515+677+209=901729-213×3=90723×(193-185)=5784290+294+378=96293×4-369=3689-(341-332)=680470-(35+197)=238461-59=402847-(815-323)=355367-195+254=426509+194-194=509369-272+50=147320+249=569819×4-742=253477×(448-442)=462557×(493-484)=5013812-11×7=735313+118+404=835291+264=555125-104=21109×(551-547)=436885-82×5=475825-53×3=666370-39×8=58407-251-142=14299×4=119682×5=410527×4-241=1867416-222+839=1033724×4-261=2635469+386+87=942978×(693-690)=2934465-367+10=108225×3-43=63283×2=166933×9=8397269-(69+166)=34363-32×3=267120×6-423=297396-14×6=312300-255=45422×2-837=7416-(906-837)=347830-(875-809)=764118×6+257=965558-36×4=414389+249=638755-(790-243)=208243×4-532=440921+(948-233)=1636473-270+379=582104+354-420=38317×4-390=87830+61-58=33748-(368+60)=320170+638=808172+78=250121+494-80=535792-409-76=30759-(96-65)=28923×(596-587)=8307442-218=224890×7=623033×8=264118×3=354465+928-909=484115+330=445704-(196+35)=473578-78-310=190105×2=210332-145-92=95417-109-259=49902+(968-520)=135095+(861-83)=87351-13×3=1262+137=199342-35-120=187106+314=420975-(241-143)=877163-(52+25)=86426×2+136=988190-(499-447)=138499-15×6=409186+430=61644×4+225=401690×5-178=3272660-218-73=3692/3-1/3=1/350×7+495=845868-71×5=5134/6-2/6=2/6466+64×2=594362+659-25=996633-72-518=43213×4=852870×3=26103/8+2/8=5/857+155-132=8045×(263-256)=315739-(398+105)=236295×4=1180635-60×7=215238-178=6079×5=395135+16+703=854141+62×6=513526-288=238483×2+662=1628317+(948-914)=351367+991+677=2035476+(306-68)=714282+181=463103+208-135=176155×6+641=1571742-(429-314)=627363×(232-225)=2541748-123-149=476242×4-101=86714+(243-27)=2304/7-2/7=2/715+422-82=35539×8+575=887495-(31+11)=453862-271-174=417486-209=277301+163=464979-850-29=100853+912=1765892-(225+142)=52514×(251-242)=126762-503+460=719837-(822-217)=232405-324=81221+684+571=1476172+301=473871+744-443=1172247×5-310=92593×9=837417-(224-122)=315393-(315-106)=184464+218×2=900105×5-53=472195+877+608=1680560-(171+43)=346377-69-296=12888-225+343=1006824+714-111=142727+42=69400+125×4=900539×2=1078503+270-605=168325-21×2=283380-166+77=291134×2+237=50575+(712-193)=5943/7-2/7=1/7135+79-120=94526-89+284=721354-19=33518×3=54133+178=31178×2=156981+868-952=897524+290-586=228197-46-70=81308-263+107=152372-314+117=175277+(831-607)=501442-299-81=62376×7=2632159×2+129=44762×3=186212×(237-233)=848471-272=199933-239=694376-334-27=15141-(54+69)=18257-119+360=498444+236+667=1347259×5=1295611+(970-665)=91695×6-483=87463-(249-100)=31446×(290-287)=13810+(987-48)=949116+(495-410)=201487-28×3=403404-(365-215)=254956×4=3824388-284=104358+(184-178)=364900+461+550=1911312-23×7=151933-53×6=61552×7-270=94205-201+24=28101+576=67782×5+354=764484-386+31=129168-(12+24)=132493-400+125=218304-136-149=1989×7=623220+274-351=143307-20×9=127287+212×4=1135549+64×5=869770-(792-354)=332847-(923-289)=21369+264-156=177385-221+107=271443-(93+310)=40421+463+55=93951×7-127=230154+244-123=275690-105-471=114696+43×3=825138×(51-44)=966954+549-892=611786+639=1425299×3-192=705699-(652-177)=224118-33=85410-225-85=100313-142×2=29410-98=312444+(953-636)=761277×6=1662122×3+206=572369+328+187=884153+438+30=62179+102=181172+613=78554×7+142=520235-22×4=147121×(336-333)=363637-561=76692-181-489=22341-141-125=75582-301+429=710998+423+761=2182862×(518-515)=2586145+340=485231-131-18=82838×8-547=6157235+(418-58)=595174-137=37314-267+289=336483+(405-141)=747974-(567+146)=26172×7=504269-168+830=931294-(43+48)=20386×(301-294)=602560+878+261=1699488-175+154=46771+142=213247-175=7233+(629-55)=607158-(457-380)=81194×2=388133+206-176=163634×2-117=1151306+(488-231)=563409+384=793730+(336-112)=95424×(403-398)=120305-12×8=209253-157+187=283131+293-163=261444-(469-35)=10136×5=680435+591-697=329101+334-299=136160+191=351390-(16+373)=1378+84×6=882432+(357-273)=516956-705+649=900687-(301+226)=160861-(627-353)=587135+(360-203)=292112+203=315270+52=322283+203+40=526364-(459-388)=293330+(672-200)=802145+638+161=944169×4-33=643873-150+40=76393×8-418=326632+855-912=575595+389×2=137379+246=325429+937+69=1435830×2-620=1040350+(373-125)=59898×7+844=1530627-(176+443)=8445-(496-117)=66324+131=455304+26-201=129725+(917-907)=735123+(201-128)=196229×3=687236-(23+41)=17273+327=40096×4=384451-(21+146)=284164-(743-684)=105950-98-563=289826-295×2=236361+124-481=4244-80×2=84450-(222+201)=27367-(122+132)=113170+257=4276/9-3/9=3/972+274+331=677593-(319-172)=446294-(138+104)=52316+673+553=1542672-277=395829-287+428=970963-706=257480-(219+39)=22268+264-192=140134+312-428=18190-(108-32)=114935-526-246=163162+(453-408)=207746-269-226=251308-(333-326)=301294-67×3=93832-33×8=568860-(92+85)=68354×3+997=1159624-54+341=911249-19×8=97116+325-371=70738+872+768=2378545-259=286570+(298-286)=582312-228+250=334937-590=34729×2=5834×(218-214)=136889-(258+204)=427220-99+668=789428-(359-222)=291691×9-375=58443/6-2/6=1/6479-248+128=359416-(468-187)=135262-257+233=238168+445+219=832217+124=341192×2-189=195284-(448-365)=201215-(99+76)=40152×6=912721-106+104=719312-29-181=102363+(460-370)=453637-160=477488+90×7=111855+126-27=154404+(363-25)=742791-455-33=303125×2=25036+(474-381)=129103×9-534=393394-35×9=79986-(103+70)=813477+159=636471-85=386490×6=294054+335-266=12317×(493-488)=85789×(313-310)=2367529-402+111=238453×(996-992)=1812421-(189+101)=131146+960-185=921270+(172-157)=285846×6=5076116+158-109=165325×9-860=2065228+242=470488-(196+126)=166412-14×5=34258+(434-259)=233719-209-129=381476-334=142495-(438-152)=209388+350+258=99685×9-79=686836+989=1825954-265+865=1554571-172×2=227212-(260-142)=9453-41+147=15940+(456-446)=50247-20-189=38930×(790-785)=4650658-(32+483)=143935×(629-624)=4675892×7-181=6063661-251-120=290259-19-81=159846+(211-152)=905828-82×6=336458-24=434558-199×2=1604/7-3/7=1/7419-404+394=409571+17-309=279380-115-60=20527×(279-276)=81110×2-162=58948×(691-684)=6636201+76+25=302185-30×4=65815-(154+364)=297225×(25-21)=90042×(559-552)=294135+156×5=915973×4=3892139×(247-242)=695261-71=190841-(169+200)=472118×(230-224)=708587+155×4=1207943-(591+75)=2