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395-(75+199)=109×(87-79)=1/4+2/4=750×3=472+173-47=782-(563+113)=309+103×5=32×6=829-458+792=131+291-227=236-200+419=143+268=126-(20+96)=276+145=152×2+287=112+416×2=362-(11+74)=463-(722-316)=234+274-322=366-(679-634)=298+23×8=299+171-324=6/8-1/8=93-51+70=383-360+688=688+20+612=212+66=173×3=469-(165-71)=333+(353-181)=408-28×3=756×7-744=741-101-201=976+563+777=268×(633-629)=442-212-128=93+271=105+100=152+670+73=342-21×9=2/4-1/4=164×2=433+184=456-(28+252)=683×(583-577)=162-(417-382)=274+104×6=641+(966-71)=765×4-247=270×7-715=198×(492-489)=834+984=398×(169-161)=289-73+49=661-365=293+395+749=38+210-233=488-419=472-450+366=164×3+259=404-138=461-297-155=356-175-21=212-17×6=481-30-451=641+953=261-231+289=279-(172+62)=119+45=128+(450-369)=379-110-159=314-(17+59)=103+98×6=317-29×7=148×6=966×6=663-49=469+236+409=125+98×6=280-246=22×(908-901)=21×8+987=443×6=550+148+38=329-188=39+42+37=40+314+611=118+337=241-117+116=292-36×7=138-(128-34)=819-269×2=518+(470-285)=537-259=870×2=337-51×3=626-(533-319)=31×3+333=503-398+656=188+44=421-326=108+444-511=372+(840-682)=602-(537-201)=457+786+720=153+316×3=439-200+110=499-(76-48)=660-64×6=255+908+400=895-425×2=758-288×2=97+310-95=24×9+498=237-15×6=931-116×3=105+213-189=277×(206-203)=993+(995-144)=283-276+980=615+(457-55)=28+(498-67)=446-419=714×2-702=153+897+886=547-(491-405)=1/5+4/5=874×3=592-17×4=53×(108-103)=479-53×4=484-(259-78)=818-313-78=972-(372+156)=300-59×2=851+15×4=153+109=306-24×7=923-345-492=219×(390-386)=88×5-28=2/9-1/9=940+478=279-69=219+127-233=394-254-106=153+422+415=82+(138-73)=799+(582-496)=38×9=71+390-341=105+17-110=2/8+5/8=937-(820+46)=860-784=300×4=968-708+912=875-(778-150)=179×(131-126)=294×(20-17)=42×(251-244)=513-(431-334)=391-(132+167)=708×(710-704)=401×9-82=802×6=293×2+364=436-(482-116)=708-57-157=923-(373+196)=157+256-69=62+446+153=390+79=940-255-526=48×6-164=298-112+291=38×(88-82)=110-(37-26)=189-37+344=965×(300-295)=692-(754-183)=314-(493-233)=415-(137+107)=291+(355-302)=198×3=752-76×5=141-92+466=138-(613-476)=149+320-13=597×6-676=352-331=32+443-413=354×2+186=380-(499-285)=388-263=379+(580-424)=152-100-34=707+202+53=107+722-595=982+(971-412)=47+263=436-(437-199)=84+223-261=488+(96-23)=55+313-226=429+217+517=843-240×2=268+41×6=736-(384+286)=489-(83+39)=867+356-564=184+(304-250)=15+417+141=251-62×2=21+479-377=205×4+249=436-156=504+(953-632)=986+(553-310)=40+84=289+137-303=239+(823-341)=296-76×2=879-(952-486)=31×(368-365)=918+156×5=468-443=527×(611-603)=244+253=911-275+65=244-72+275=373-(371-185)=427-151×2=171-(243-95)=307×3+389=17×6+331=450+129×6=883+713+797=164×6-297=421-308+117=389×6-965=2/6+4/6=67+(421-291)=796-779+633=239-(18+60)=206+248=318+295+129=102×(310-301)=215+(204-19)=913+(586-553)=958-(546+219)=684-114=102×7-601=670-67×3=151×(348-345)=690+342-621=105×9-823=420-343=184-27+128=755-(454+26)=88+510=184-111=542-117=935-69×9=180×5=136×(779-776)=250-124+18=579-139-191=274×3=401-94×3=706-272+50=20+930-457=158×5-387=112×4+181=169×2-308=1/8+4/8=438-(443-396)=278×5=261×(183-178)=172+265+167=740×2=27×(391-388)=118×(309-304)=262+129=940-(401+282)=319×5-817=59+206=63+(406-19)=296-(19+39)=699×4=298+31-267=402-319=61+(276-222)=358×9-414=55×9=674-37×7=70×8-528=468-156-49=259-242=463-(34+338)=771-(29+331)=914-97×9=1/5+3/5=988+(506-481)=324+328+229=329-(145+45)=82-45=59×6+47=56-29+111=106×9-769=769×5-32=3/6-1/6=93×(928-925)=515+970+818=205+161=365+354+212=464×9=124×7=322×3=207×(440-437)=815-(616-281)=236×3-499=269×3=603×9=469-141-43=647-559-27=386+212-258=410-(53+298)=178×3+347=349-(238-17)=368-128-163=382-(44+156)=634-479-22=813+316+130=499-(232+157)=537+138+219=346-(91+19)=130×6=308-29-207=507+(429-359)=477-126=583-190+146=313×3-436=402+343+349=327-(22+128)=439+333=722-48-558=221+101=929-(52+451)=388-(89+66)=168+86=774+35+65=835-(247+33)=425×(651-647)=450+404=20×4=118+126+93=470-346+310=550×4-455=637-318-39=862-25-25=453+270+745=914+(972-137)=462-(146-43)=186+274-77=363+38×7=59×4=390-159=480-193+608=387-126=465×4=634+75×8=935-266-184=278-91=395-156×2=166×4-327=428+36×5=179+316-460=626-(53+438)=18×2=522+54×6=65+253=974+847+855=626+90+85=317-(373-370)=977-(39+847)=577-240+299=441+(132-11)=138×6-160=375-(344-324)=464×2-139=248+106×5=753-268-441=6/9-1/9=394+(296-21)=655-(288+75)=181+292-181=218+48=968-29+962=855-(294+135)=122×4=889-822+117=184+447=39×5=160+334-184=794+820+569=359-333=603-(135+357)=488-99=332×(153-146)=404-386=615-277×2=832+445+830=82×2=180×3-317=306-73-110=161-81-56=427+710-714=242-140+375=816+201=215×2=412-13+80=91×(441-433)=660×(295-289)=177+255+952=41+259+40=373-188-20=211+(437-278)=498-417-20=755×6=744-(145+221)=665-(420-150)=159×(453-450)=16+222×3=709×(817-812)=622-(73+81)=376+722+463=498-189=962-(541-458)=347+126-340=625×6=668-116=27+(395-169)=207+881-497=112+(413-209)=303+124=191×2+304=409-145-87=647-57×7=51×(456-449)=997×2=100+349=572-340=71-45=213-(464-432)=137×(232-225)=121+84=883×(613-609)=144-(321-265)=140+291=107×(743-735)=730+210-331=53×7=447-434+392=189-(99-28)=191-26×7=150+443=569×4-759=287-14×2=133+(169-76)=766-(504-15)=383-383+891=349-326+136=988×2=111×4+237=433-69=3/8-2/8=158+77×9=462+(151-82)=240-30=879-(216+602)=33+24=21+457-386=775-(749-162)=277+200-462=989-259=859-172×3=425-240+313=145×6-770=832-133×4=291+(355-353)=461×2=62×3+579=257×(993-984)=115+62=945-696=237+331+268=759-261=389+125×8=628×(949-946)=258-54-15=596+571-838=31×8+27=291×2-31=878-114×4=599×2=109×4-364=104×9-499=973-24×3=372×2-466=178×(434-431)=463-49-292=854+209-852=345-209-18=619-256-23=369+660-215=149-30-117=481-110×3=281+243+87=407+236+244=1/5+2/5=341-176+260=272-242+22=847+465×2=176+340+252=849-14-693=223-(447-260)=314-12×8=80+125=805-(814-468)=127+57=167×5-778=817-88×8=92×(92-87)=472-14=301+78-120=121+594=52×5+200=447-17×6=77-34=179×9-689=268-(385-326)=209-(25+112)=121+288=972-189-106=56×4+41=225×(952-943)=310-(201+90)=483×9-34=426-362-19=435+(894-756)=720-41×3=227-(10+106)=203-29=684-548-19=549+863+58=248+(845-805)=52×4=99×3+334=85×8-451=584×7-220=76×(274-267)=466-25×8=874×6-913=892×3-499=339-297+313=2/6-1/6=454-(70+311)=664-(66+324)=109+47-116=624-39=803-(540-506)=161+709-517=274-36×6=266+119+61=343-(454-271)=165×8=476-16-203=65×8-249=106×(176-170)=769×(623-620)=28+90×7=783+171+37=397+207+168=271+150-222=419+651-844=491+(409-296)=50×6+790=171+530=680-(839-326)=784-380×2=763-54×7=590+805-763=70+261=38+109+369=104+683+110=173×3-252=688-(143+195)=382-(15+46)=25×(55-52)=105-11×8=345-(992-817)=157×2=590-(63+273)=497-89=871-12+641=561-63+554=248+242=820+220-254=507×(516-512)=157×5-435=465-(202+197)=56×(893-889)=836-(341+46)=364-280+383=693-401+569=574+236+692=24+(427-355)=2/8+3/8=123+(197-131)=873+(238-117)=216+338+313=598+51+641=380-34×8=370+(318-236)=206×3=907+100×9=131×7-114=348+(995-978)=221-(13+14)=260+23×6=813-(687-226)=593×7-436=414+(79-42)=831×6=895-178+34=332-42×3=264+173=742×2-225=151×3+490=546+807-617=366+(352-239)=852-804=76×2=451-37×9=882+(419-340)=454-177×2=228+(946-753)=454-210-105=20×(471-468)=799-763+719=347-(116+183)=294-204=116+971+741=140-(98+23)=810-597=287-(426-345)=441-367+299=157×3=299×2=88+370=98+34×9=725-96×4=415+136-122=413-(273-64)=470-60×7=193×6-308=3/7-2/7=541-(547-525)=397-173=15×7+200=294-156+64=17+462-230=422-51×3=270-258=498-71=332-161-76=412-328-58=902×(917-909)=309-251+413=82+346=253+650-722=627+(986-205)=255+135=769-142×5=789+(310-258)=87×7+183=209×5=38×4=426-74-335=1/7+3/7=687+623-891=920-259×3=5/7-2/7=293+184=116×5-248=944-384-214=297+184-405=472-184×2=95-10-23=454+45-499=473+71+281=123+29=544-(863-752)=748+621+390=423-308+290=505+690=83+330+30=123+55=422-420+327=240×(65-56)=395×2-638=490-86×4=882-246-391=365+607-876=364-160-35=172+248-141=417×4-957=244-(656-447)=466+(311-269)=256×(609-600)=145-37+381=297×8=234×4-356=882×(272-268)=563+(302-30)=43-14=78+(266-209)=274-186-18=499-203+67=107×4+62=956+586-886=618×(773-770)=735+914+864=331-(154+153)=102×(135-132)=37+111-44=111+341=143-(117-90)=98×6+346=380-(365-84)=21×(406-403)=103×9-583=538-(21-12)=331×4-486=883+270-656=304×5=280+113=988-(848+99)=432-185×2=1/3+2/3=701-233-213=141-(174-160)=75+427+431=124×2=687+827+605=931-913=197-(300-244)=722×7-531=1/8+6/8=441-100-224=490-466+143=883-585=188×(404-399)=611+892=104×(240-234)=887-457+339=851×(731-725)=207-170+242=902+675=229-167=542+158+289=854-378+572=116+106=79+144-101=233-(219-13)=404×5-866=380-187=475-196-225=314+313=70+(704-383)=469-(341-173)=355-160+62=762+790+815=551+49×2=58×6+541=102×5=121×7-380=289-(115+13)=612+948+905=625-(298+144)=410-(18+244)=155×3=881-44×2=365+(272-150)=961-(482-380)=315+(420-35)=58+435-347=289-(69+91)=4/8-1/8=409-74-59=99×9=345-33=459+46+129=747-(534-87)=866×9=811-146-265=599×6-49=14×6=383+(249-28)=970-842=469-266-33=2/5-1/5=2/3-1/3=225×2=689+88×9=455-(324-304)=45×(32-26)=461+(454-331)=967+190×4=993-(115+226)=121+(723-614)=167+241+869=867+817-607=917-84=70+212=138×5+233=517-233=387×2-296=980-491+658=253×3-437=384-(66+187)=406-168-34=420+33×2=446+(831-236)=224×(495-491)=480-108×4=297-(93+193)=328-89=116+(268-215)=4/9+2/9=178×2+25=157×(17-11)=253-41-163=36+158×3=361+33×7=106×6-303=342×3=424-(343-97)=840-293+525=541-344-123=462+(395-327)=245+602=284-47×4=274-61=483-23-418=708-92+974=202×5-140=644-125-301=382-(408-232)=125+312-385=480-256-18=324-263+160=86×2+389=参考答案395-(75+199)=121109×(87-79)=8721/4+2/4=3/4750×3=2250472+173-47=598782-(563+113)=106309+103×5=82432×6=192829-458+792=1163131+291-227=195236-200+419=455143+268=411126-(20+96)=10276+145=421152×2+287=591112+416×2=944362-(11+74)=277463-(722-316)=57234+274-322=186366-(679-634)=321298+23×8=482299+171-324=1466/8-1/8=5/893-51+70=112383-360+688=711688+20+612=1320212+66=278173×3=519469-(165-71)=375333+(353-181)=505408-28×3=324756×7-744=4548741-101-201=439976+563+777=2316268×(633-629)=1072442-212-128=10293+271=364105+100=205152+670+73=895342-21×9=1532/4-1/4=1/4164×2=328433+184=617456-(28+252)=176683×(583-577)=4098162-(417-382)=127274+104×6=898641+(966-71)=1536765×4-247=2813270×7-715=1175198×(492-489)=594834+984=1818398×(169-161)=3184289-73+49=265661-365=296293+395+749=143738+210-233=15488-419=69472-450+366=388164×3+259=751404-138=266461-297-155=9356-175-21=160212-17×6=110481-30-451=0641+953=1594261-231+289=319279-(172+62)=45119+45=164128+(450-369)=209379-110-159=110314-(17+59)=238103+98×6=691317-29×7=114148×6=888966×6=5796663-49=614469+236+409=1114125+98×6=713280-246=3422×(908-901)=15421×8+987=1155443×6=2658550+148+38=736329-188=14139+42+37=11840+314+611=965118+337=455241-117+116=240292-36×7=40138-(128-34)=44819-269×2=281518+(470-285)=703537-259=278870×2=1740337-51×3=184626-(533-319)=41231×3+333=426503-398+656=761188+44=232421-326=95108+444-511=41372+(840-682)=530602-(537-201)=266457+786+720=1963153+316×3=1101439-200+110=349499-(76-48)=471660-64×6=276255+908+400=1563895-425×2=45758-288×2=18297+310-95=31224×9+498=714237-15×6=147931-116×3=583105+213-189=129277×(206-203)=831993+(995-144)=1844283-276+980=987615+(457-55)=101728+(498-67)=459446-419=27714×2-702=726153+897+886=1936547-(491-405)=4611/5+4/5=1874×3=2622592-17×4=52453×(108-103)=265479-53×4=267484-(259-78)=303818-313-78=427972-(372+156)=444300-59×2=182851+15×4=911153+109=262306-24×7=138923-345-492=86219×(390-386)=87688×5-28=4122/9-1/9=1/9940+478=1418279-69=210219+127-233=113394-254-106=34153+422+415=99082+(138-73)=147799+(582-496)=88538×9=34271+390-341=120105+17-110=122/8+5/8=7/8937-(820+46)=71860-784=76300×4=1200968-708+912=1172875-(778-150)=247179×(131-126)=895294×(20-17)=88242×(251-244)=294513-(431-334)=416391-(132+167)=92708×(710-704)=4248401×9-82=3527802×6=4812293×2+364=950436-(482-116)=70708-57-157=494923-(373+196)=354157+256-69=34462+446+153=661390+79=469940-255-526=15948×6-164=124298-112+291=47738×(88-82)=228110-(37-26)=99189-37+344=496965×(300-295)=4825692-(754-183)=121314-(493-233)=54415-(137+107)=171291+(355-302)=344198×3=594752-76×5=372141-92+466=515138-(613-476)=1149+320-13=456597×6-676=2906352-331=2132+443-413=62354×2+186=894380-(499-285)=166388-263=125379+(580-424)=535152-100-34=18707+202+53=962107+722-595=234982+(971-412)=154147+263=310436-(437-199)=19884+223-261=46488+(96-23)=56155+313-226=142429+217+517=1163843-240×2=363268+41×6=514736-(384+286)=66489-(83+39)=367867+356-564=659184+(304-250)=23815+417+141=573251-62×2=12721+479-377=123205×4+249=1069436-156=280504+(953-632)=825986+(553-310)=122940+84=124289+137-303=123239+(823-341)=721296-76×2=144879-(952-486)=41331×(368-365)=93918+156×5=1698468-443=25527×(611-603)=4216244+253=497911-275+65=701244-72+275=447373-(371-185)=187427-151×2=125171-(243-95)=23307×3+389=131017×6+331=433450+129×6=1224883+713+797=2393164×6-297=687421-308+117=230389×6-965=13692/6+4/6=167+(421-291)=197796-779+633=650239-(18+60)=161206+248=454318+295+129=742102×(310-301)=918215+(204-19)=400913+(586-553)=946958-(546+219)=193684-114=570102×7-601=113670-67×3=469151×(348-345)=453690+342-621=411105×9-823=122420-343=77184-27+128=285755-(454+26)=27588+510=598184-111=73542-117=425935-69×9=314180×5=900136×(779-776)=408250-124+18=144579-139-191=249274×3=822401-94×3=119706-272+50=48420+930-457=493158×5-387=403112×4+181=629169×2-308=301/8+4/8=5/8438-(443-396)=391278×5=1390261×(183-178)=1305172+265+167=604740×2=148027×(391-388)=81118×(309-304)=590262+129=391940-(401+282)=257319×5-817=77859+206=26563+(406-19)=450296-(19+39)=238699×4=2796298+31-267=62402-319=8361+(276-222)=115358×9-414=280855×9=495674-37×7=41570×8-528=32468-156-49=263259-242=17463-(34+338)=91771-(29+331)=411914-97×9=411/5+3/5=4/5988+(506-481)=1013324+328+229=881329-(145+45)=13982-45=3759×6+47=40156-29+111=138106×9-769=185769×5-32=38133/6-1/6=2/693×(928-925)=279515+970+818=2303205+161=366365+354+212=931464×9=4176124×7=868322×3=966207×(440-437)=621815-(616-281)=480236×3-499=209269×3=807603×9=5427469-141-43=285647-559-27=61386+212-258=340410-(53+298)=59178×3+347=881349-(238-17)=128368-128-163=77382-(44+156)=182634-479-22=133813+316+130=1259499-(232+157)=110537+138+219=894346-(91+19)=236130×6=780308-29-207=72507+(429-359)=577477-126=351583-190+146=539313×3-436=503402+343+349=1094327-(22+128)=177439+333=772722-48-558=116221+101=322929-(52+451)=426388-(89+66)=233168+86=254774+35+65=874835-(247+33)=555425×(651-647)=1700450+404=85420×4=80118+126+93=337470-346+310=434550×4-455=1745637-318-39=280862-25-25=812453+270+745=1468914+(972-137)=1749462-(146-43)=359186+274-77=383363+38×7=62959×4=236390-159=231480-193+608=895387-126=261465×4=1860634+75×8=1234935-266-184=485278-91=187395-156×2=83166×4-327=337428+36×5=608179+316-460=35626-(53+438)=13518×2=36522+54×6=84665+253=318974+847+855=2676626+90+85=801317-(373-370)=314977-(39+847)=91577-240+299=636441+(132-11)=562138×6-160=668375-(344-324)=355464×2-139=789248+106×5=778753-268-441=446/9-1/9=5/9394+(296-21)=669655-(288+75)=292181+292-181=292218+48=266968-29+962=1901855-(294+135)=426122×4=488889-822+117=184184+447=63139×5=195160+334-184=310794+820+569=2183359-333=26603-(135+357)=111488-99=389332×(153-146)=2324404-386=18615-277×2=61832+445+830=210782×2=164180×3-317=223306-73-110=123161-81-56=24427+710-714=423242-140+375=477816+201=1017215×2=430412-13+80=47991×(441-433)=728660×(295-289)=3960177+255+952=138441+259+40=340373-188-20=165211+(437-278)=370498-417-20=61755×6=4530744-(145+221)=378665-(420-150)=395159×(453-450)=47716+222×3=682709×(817-812)=3545622-(73+81)=468376+722+463=1561498-189=309962-(541-458)=879347+126-340=133625×6=3750668-116=55227+(395-169)=253207+881-497=591112+(413-209)=316303+124=427191×2+304=686409-145-87=177647-57×7=24851×(456-449)=357997×2=1994100+349=449572-340=23271-45=26213-(464-432)=181137×(232-225)=959121+84=205883×(613-609)=3532144-(321-265)=88140+291=431107×(743-735)=856730+210-331=60953×7=371447-434+392=405189-(99-28)=118191-26×7=9150+443=593569×4-759=1517287-14×2=259133+(169-76)=226766-(504-15)=277383-383+891=891349-326+136=159988×2=1976111×4+237=681433-69=3643/8-2/8=1/8158+77×9=851462+(151-82)=531240-30=210879-(216+602)=6133+24=5721+457-386=92775-(749-162)=188277+200-462=15989-259=730859-172×3=343425-240+313=498145×6-770=100832-133×4=300291+(355-353)=293461×2=92262×3+579=765257×(993-984)=2313115+62=177945-696=249237+331+268=836759-261=498389+125×8=1389628×(949-946)=1884258-54-15=189596+571-838=32931×8+27=275291×2-31=551878-114×4=422599×2=1198109×4-364=72104×9-499=437973-24×3=901372×2-466=278178×(434-431)=534463-49-292=122854+209-852=211345-209-18=118619-256-23=340369+660-215=814149-30-117=2481-110×3=151281+243+87=611407+236+244=8871/5+2/5=3/5341-176+260=425272-242+22=52847+465×2=1777176+340+252=768849-14-693=142223-(447-260)=36314-12×8=21880+125=205805-(814-468)=459127+57=184167×5-778=57817-88×8=11392×(92-87)=460472-14=458301+78-120=259121+594=71552×5+200=460447-17×6=34577-34=43179×9-689=922268-(385-326)=209209-(25+112)=72121+288=409972-189-106=67756×4+41=265225×(952-943)=2025310-(201+90)=19483×9-34=4313426-362-19=45435+(894-756)=573720-41×3=597227-(10+106)=111203-29=174684-548-19=117549+863+58=1470248+(845-805)=28852×4=20899×3+334=63185×8-451=229584×7-220=386876×(274-267)=532466-25×8=266874×6-913=4331892×3-499=2177339-297+313=3552/6-1/6=1/6454-(70+311)=73664-(66+324)=274109+47-116=40624-39=585803-(540-506)=769161+709-517=353274-36×6=58266+119+61=446343-(454-271)=160165×8=1320476-16-203=25765×8-249=271106×(176-170)=636769×(623-620)=230728+90×7=658783+171+37=991397+207+168=772271+150-222=199419+651-844=226491+(409-296)=60450×6+790=1090171+530=701680-(839-326)=167784-380×2=24763-54×7=385590+805-763=63270+261=33138+109+369=516104+683+110=897173×3-252=267688-(143+195)=350382-(15+46)=32125×(55-52)=75105-11×8=17345-(992-817)=170157×2=314590-(63+273)=254497-89=408871-12+641=1500561-63+554=1052248+242=490820+220-254=786507×(516-512)=2028157×5-435=350465-(202+197)=6656×(893-889)=224836-(341+46)=449364-280+383=467693-401+569=861574+236+692=150224+(427-355)=962/8+3/8=5/8123+(197-131)=189873+(238-117)=994216+338+313=867598+51+641=1290380-34×8=108370+(318-236)=452206×3=618907+100×9=1807131×7-114=803348+(995-978)=365221-(13+14)=194260+23×6=398813-(687-226)=352593×7-436=3715414+(79-42)=451831×6=4986895-178+34=751332-42×3=206264+173=437742×2-225=1259151×3+490=943546+807-617=736366+(352-239)=479852-804=4876×2=152451-37×9=118882+(419-340)=961454-177×2=100228+(946-753)=421454-210-105=13920×(471-468)=60799-763+719=755347-(116+183)=48294-204=90116+971+741=1828140-(98+23)=19810-597=213287-(426-345)=206441-367+299=373157×3=471299×2=59888+370=45898+34×9=404725-96×4=341415+136-122=429413-(273-64)=204470-60×7=50193×6-308=8503/7-2/7=1/7541-(547-525)=519397-173=22415×7+200=305294-156+64=20217+462-230=249422-51×3=269270-258=12498-71=427332-161-76=95412-328-58=26902×(917-909)=7216309-251+413=47182+346=428253+650-722=181627+(986-205)=1408255+135=390769-142×5=59789+(310-258)=84187×7+183=792209×5=104538×4=152426-74-335=171/7+3/7=4/7687+623-891=419920-259×3=1435/7-2/7=3/7293+184=477116×5-248=332944-384-214=346297+184-405=76472-184×2=10495-10-23=62454+45-499=0473+71+281=825123+29=152544-(863-752)=433748+621+390=1759423-308+290=405505+690=119583+330+30=443123+55=178422-420+327=329240×(65-56)=2160395×2-638=1