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227×4-547=352-274=475+606-130=395-(244+126)=357×2-668=516-(87+160)=853+764+897=233+72-108=153+985-758=437-158-76=233-205+408=950+664=322-78+12=425-263=471-(207+95)=298+78+375=152+(431-243)=872-17×6=909-810=19+479-20=179×(30-26)=131×(147-142)=741+90-421=272+53=284-74=185×4=406+(397-26)=112×(432-428)=143+(882-175)=496-42×9=139-15×2=486×7-132=175+51+155=263+(995-478)=820+576=412-249=217×(379-375)=99+574-560=436-(254+125)=353×8-614=260-210=3/7+2/7=393-367+210=164×(393-390)=311×2=92×9-290=394-132-203=580+165=983+903+116=118×8-439=732+585-569=786×(687-682)=168×4-357=177×3-122=330+(389-157)=22×3+474=846-24=379+45+127=820-16-290=307-38-98=246×7-309=86×3=501×(318-315)=317+281=136-65=276×(881-874)=424+64-176=60+441+156=101+(493-459)=145-(343-214)=413-377=705-227-258=353-36=885+(369-316)=337+208+81=357×(134-126)=306+(805-614)=322-(227+59)=291+(411-153)=955-94-505=530-(114+125)=107×8-691=100+110=11+262×2=151+80×4=47+131=889-(935-855)=453-359-92=36×8+210=495×2-396=573+(985-730)=891-79-782=169+434+35=807-657+901=451-(333-32)=734-100=209×3+68=189+214-322=378-(67+259)=425+(177-50)=854×6=62×3=226-26-47=77×(101-98)=982+16×7=205+170-277=355-(31+160)=99+296-234=579-389+716=26×4=156×(83-80)=260×2=647×(371-363)=71×(301-295)=487-(84+390)=240-(803-589)=917+132+170=217×8=96×2+399=948-464+195=625+143=885×9-681=591×6=167+662+153=492-(456-307)=43×(497-492)=453-(453-394)=413-213+49=844-808+196=879+865-988=415-29×6=207-(304-274)=199-(105+26)=130×(63-58)=884-(597+122)=342×2+192=877-(209+447)=405+(733-707)=870-531+161=325+738+21=375×7=480+(161-47)=404+301+280=564+182-328=452+(430-146)=431-(382-366)=63+263=471+23×9=125+172×5=255-109=42×9+397=28+166=410-43-127=308-220+166=433-24=253-76+101=808×(771-765)=398-43-228=760-428+476=27×(233-227)=420-133×2=527×3-59=47+928-559=335×8=340-259-38=948-(131+19)=65+278=879-511=181+42-150=441×(131-128)=194-81×2=15×5=37+(446-340)=335-(159+135)=115+(627-377)=64×7-43=341+403+171=101+130+474=164×6+828=821+(291-40)=174×5-788=136+132=562-113=412-(277+126)=382-(340-114)=133+255-112=825+(866-494)=307×(47-44)=404+(345-137)=358-98-177=492-267-59=388-287-21=3/5-1/5=467-40-300=287-(373-91)=131-18×3=116+(180-74)=14×6=439-190+135=868-749-70=691-165-313=349-(402-266)=377-(478-121)=121+291=304+(403-399)=262-(440-437)=71×9-631=277+339-236=169+76×6=180-88=173-108=543-166=992-(630+280)=149×4+579=487-79+42=738-(185+274)=751×(227-224)=41×5=996-971=263-257+22=439×4-443=213+13-152=433-23×7=107+883-444=1/6+4/6=740×2=395-(436-311)=24×2=274+188=932+267-980=433-(285+84)=323-44=844-473=573+(212-13)=957+(878-797)=58+287-78=628×6-129=403-20×2=811×9-269=494-35×3=331-(196-158)=315-118×2=407-(62+323)=219-92+156=229×4-147=459-57×4=507×(183-176)=269×6=420-(92+123)=111-87+48=98×(360-354)=175+276=368-(435-81)=680-31-154=421+133+263=401×2=436-18-101=474-36=362-49×3=834-(237+484)=177×(243-239)=940-(294+521)=426-(272-226)=118×7-678=987-(315+477)=434+873-755=740-424+691=345-(17+149)=563+676-679=199×(394-390)=889-(156+431)=326-94+142=897-131×5=34×4=206+195=218×4-60=489+998-74=274-(116+87)=889×(145-142)=299×2=415-152-241=135+148+613=851+677+968=622+225-708=599+529+925=184+237=284+61=188-167+396=771-14×4=480-78×3=95×8-325=348+596=918-59×9=354-66-71=317×3=142×2+160=524-(459-142)=34×7=427×5-898=907-892+189=5/7+2/7=931-188×4=488-(233+148)=766-30-561=68×9-540=231×2+447=402-290=438-17+11=183×7=819-165-526=829-49×2=130+115=477-432-14=575×4=771+56+701=355-272=620+290+81=445×2=189-20×6=400-313+348=483+(782-98)=18×7=741+(826-109)=189+285=894-618+533=895+(881-193)=614-(117+465)=302-(12+37)=675-272+271=99+(495-268)=960+958=966-380-138=112×8+534=859-22×7=112+173=70+86×6=372-185+122=499-222×2=73+412=92+113-76=101×3-32=197+(82-31)=249-22×3=268×(47-42)=373-(24+321)=422-371=950-(585-471)=105+220+548=556-58×3=419-157=745-(231+392)=572-520+142=138×6=430+(407-159)=267×3-466=3/7-2/7=850+776=856-127-350=388-(95+133)=242+(354-148)=433-19×7=770-508-44=40×(19-14)=954-86×5=562+(274-201)=998×2=977-461×2=749-329+122=482-448=335×4=165+408+202=288+(271-116)=484+(321-90)=155+103=141×4-494=3/8+2/8=938-(156+755)=712-(829-189)=610+755-690=112×(406-401)=839+78×7=429+328+216=518-(33+430)=270-(386-195)=790-(581-478)=154×4+833=136×5+768=121×8+300=539×7-497=595+(317-284)=351×2-608=496-238=535-(271-270)=3/5+2/5=77×9+647=410-(869-583)=168-(102+34)=745-(712+26)=465-232+67=323-(96+121)=276×(509-506)=367+359+215=62+51+279=239-176=688-457=101×4=451×(501-492)=350-164=618-(101+128)=736-(512+126)=125+288-10=80×7-396=260-255+157=658-563=27×2=97+164=605-(98-70)=54×5+89=570×6-400=500-40×9=468-35-48=929-168×4=829-(995-561)=66+(281-35)=4/8-2/8=156-(17+11)=898-53+296=235-96×2=84+(428-416)=566-141+217=797-441-157=376-157-189=258-20×7=401+299-574=33×(425-420)=383-154×2=274-181-47=548+189+230=63×(89-86)=753+758=990-410=216×4+60=993+(391-25)=258-137=440-(326-109)=554-(858-663)=974-62×5=532+582-560=884+158+409=297+106×6=500-37×3=332+39×9=49×(50-46)=752+965=247×4-700=55×2=216+211-83=497+784=580-16+123=404-11×7=589×3=322+145=180+168=699×3=470-71-102=357-255+271=831×2=736+333+236=174+(323-263)=881-206-231=97×(314-307)=2/3-1/3=162+157=408-66×2=453-296=953-904+719=233×3+301=405-(415-153)=1/8+6/8=335+117-409=730-247-445=21×6+76=98×7-316=899-(638+43)=342-185-144=213+438+340=209-94=258-(214-102)=330+170-352=820-(822-347)=30×4=825+813=435-76×4=387-290+79=454-(381+51)=217×4-674=877-113=76+93×7=264×7-315=856×(598-590)=904×9-306=655+955+29=626×(612-605)=519-(587-249)=225-192=605+105×7=190×4=449-(131+215)=691-(49+533)=266-246+468=906-348=208×(479-476)=493+14+362=371-(198+168)=717-18-114=464-280+213=340-47+404=108+81×3=73+461+33=497-(143+88)=165+682=95-(251-238)=268-16-39=272-(328-91)=3/6-1/6=741+(483-163)=961-844+596=243×4+479=156-(383-351)=808-(67+378)=962-255-282=972-262-249=416-262=457+172+328=180+197=131+370+602=1/5+4/5=979-(637-355)=142+837-729=177×5=885+596-927=484×6=709+615+770=451-49-164=175×4=828×9-763=551+211×3=615×(451-445)=276+82×4=76×2=547+350+13=4/6-2/6=635-21×6=741+482+147=320-18×9=317+733+857=297+65=326×(566-559)=341×7=641-30×8=811+38×8=85+398-128=573+363=336+112×4=136+(420-174)=210×3-423=560+200=22+499+924=281-(465-458)=898×(872-869)=773×5-613=216-116+36=307+418+96=760-709+194=201×(773-765)=101+295=311-180+341=712×9=197×(455-450)=880-(969-352)=444-(104+148)=637+595=925-416=21×7+490=642+245+931=874+563-629=795+600-277=879-55-44=406+(937-880)=363×8=24×(24-15)=192+103=282-164-107=488×2-613=7/10-3/10=825-(728-618)=613-(693-595)=813-(692-423)=417-33-127=39+353-245=454-255+142=492-44-187=90+139+210=147-(47+24)=797-251=400-167-107=939-88×6=451×3=112+(392-50)=421-(468-309)=98×(66-61)=196×2-313=481-150-240=239×8=287+(756-688)=253+167+128=705-(688-391)=2/4-1/4=935-225-289=781+551+340=41+74×3=240-100×2=362+74=173+137-89=68+281=997-(701-572)=428-(997-805)=257+(214-161)=719-(224+217)=341+(341-137)=261-241+599=503+758+102=323-88-93=719-90×3=208+(226-164)=164×(151-144)=361-(688-447)=2/6+3/6=198-(177-162)=49+(955-725)=55×9=878-289-345=988-(261+229)=2/5-1/5=3/8-1/8=338-(150+68)=760-(606+96)=236+149+629=602-310-168=205+804-744=625×3-960=180+63-221=540-178×3=33×6=560+403-158=596-20=581-447+788=234-49=204×4=64+131=412-(266-224)=524-514+76=361-(146+14)=987+375=375+(446-11)=19×8+640=17×4+213=896×6-250=52+579+327=2/7+3/7=87+74-67=661-(790-598)=610-342=348-(188+139)=877+(603-435)=317-79=166+467=449+482+684=252+845-119=446-(172-17)=107×(140-137)=31+185×5=381-202-20=304+61=197×4-554=225+64=415-162×2=269-118=46×7=696+70×9=871-120=4/7-2/7=69+230=87+409-103=133×2=370+255-371=841×5-448=980-189+55=260+51×5=119×2+232=959-427=377-277+376=306+(466-395)=272+63=1/7+3/7=370-183+20=462-33-217=91+355=203-184+442=395+148×3=759×6-42=5/8-2/8=79×8-349=645×8-909=34+166+477=153-(410-372)=129×6=405-73-29=675+584+804=253+117=260+916+182=461-53-134=735-721=349-(256-23)=549×3=372-(553-487)=738-21×9=423-265=106×4-24=21×(74-70)=828-(748-414)=661-(453+181)=15×(135-130)=411-176=340+(480-141)=763+42+77=110×4=214×3+685=664+547-896=454+(441-121)=313+126-312=90+(114-16)=179+212-156=703-105=16+55=110-(37+72)=483+46×7=361+126-21=564-393+679=818×7=998+418+137=293-(321-146)=449+549=57×2+377=363-43×8=46+236×4=374-83=80×(363-357)=138+16+89=110×9+203=250+157+188=798×(350-346)=914-(153+637)=954-480-226=154×5-168=112×3-239=406+(497-405)=55×(422-418)=397-384=880-530+213=841×9=153+24+295=344-105+91=901-97=198+183-42=953+462×2=935+458-412=420-148=476-137=542×9-749=74×6=932-(535-321)=88+275=300×(279-276)=331+322+200=699-37×4=605-83×4=87×5+491=23+391-222=52+352-236=133+(400-40)=971-398×2=150+552+203=764-116-163=116×7=311+(782-91)=201×4+151=19+432×2=375-51×5=651-323-16=4/7+2/7=837×(202-194)=204+34=186×2=213+186×5=970×9=272×3-195=524-16×5=347-271+662=665+96×8=102×6-591=217×3-140=363+97-433=140×4-535=889-(827+53)=115+(312-74)=134-(435-388)=281+(361-185)=102×(401-392)=67+69=56+103+255=920-841=99×9+62=347×(115-110)=410×(779-776)=414-77×4=971-129-130=363-118×2=590-112×2=206+(346-286)=2/8+4/8=82+342=855×4-489=37+(95-67)=436+63×3=454-(498-474)=529-226×2=469-(676-415)=189+275=593×9-88=440+28-282=921+111×6=172+678-221=863×(308-299)=449-23-116=859×(918-911)=352-24×3=979-(448-60)=188-29×2=644-316+244=581×(212-208)=199-20×6=949-718+544=222+200+115=397-41×3=248×3-266=867-(384+31)=783-466+995=80×(111-108)=143+111-211=261-151+276=111+714-584=72-19=249-242+51=参考答案227×4-547=361352-274=78475+606-130=951395-(244+126)=25357×2-668=46516-(87+160)=269853+764+897=2514233+72-108=197153+985-758=380437-158-76=203233-205+408=436950+664=1614322-78+12=256425-263=162471-(207+95)=169298+78+375=751152+(431-243)=340872-17×6=770909-810=9919+479-20=478179×(30-26)=716131×(147-142)=655741+90-421=410272+53=325284-74=210185×4=740406+(397-26)=777112×(432-428)=448143+(882-175)=850496-42×9=118139-15×2=109486×7-132=3270175+51+155=381263+(995-478)=780820+576=1396412-249=163217×(379-375)=86899+574-560=113436-(254+125)=57353×8-614=2210260-210=503/7+2/7=5/7393-367+210=236164×(393-390)=492311×2=62292×9-290=538394-132-203=59580+165=745983+903+116=2002118×8-439=505732+585-569=748786×(687-682)=3930168×4-357=315177×3-122=409330+(389-157)=56222×3+474=540846-24=822379+45+127=551820-16-290=514307-38-98=171246×7-309=141386×3=258501×(318-315)=1503317+281=598136-65=71276×(881-874)=1932424+64-176=31260+441+156=657101+(493-459)=135145-(343-214)=16413-377=36705-227-258=220353-36=317885+(369-316)=938337+208+81=626357×(134-126)=2856306+(805-614)=497322-(227+59)=36291+(411-153)=549955-94-505=356530-(114+125)=291107×8-691=165100+110=21011+262×2=535151+80×4=47147+131=178889-(935-855)=809453-359-92=236×8+210=498495×2-396=594573+(985-730)=828891-79-782=30169+434+35=638807-657+901=1051451-(333-32)=150734-100=634209×3+68=695189+214-322=81378-(67+259)=52425+(177-50)=552854×6=512462×3=186226-26-47=15377×(101-98)=231982+16×7=1094205+170-277=98355-(31+160)=16499+296-234=161579-389+716=90626×4=104156×(83-80)=468260×2=520647×(371-363)=517671×(301-295)=426487-(84+390)=13240-(803-589)=26917+132+170=1219217×8=173696×2+399=591948-464+195=679625+143=768885×9-681=7284591×6=3546167+662+153=982492-(456-307)=34343×(497-492)=215453-(453-394)=394413-213+49=249844-808+196=232879+865-988=756415-29×6=241207-(304-274)=177199-(105+26)=68130×(63-58)=650884-(597+122)=165342×2+192=876877-(209+447)=221405+(733-707)=431870-531+161=500325+738+21=1084375×7=2625480+(161-47)=594404+301+280=985564+182-328=418452+(430-146)=736431-(382-366)=41563+263=326471+23×9=678125+172×5=985255-109=14642×9+397=77528+166=194410-43-127=240308-220+166=254433-24=409253-76+101=278808×(771-765)=4848398-43-228=127760-428+476=80827×(233-227)=162420-133×2=154527×3-59=152247+928-559=416335×8=2680340-259-38=43948-(131+19)=79865+278=343879-511=368181+42-150=73441×(131-128)=1323194-81×2=3215×5=7537+(446-340)=143335-(159+135)=41115+(627-377)=36564×7-43=405341+403+171=915101+130+474=705164×6+828=1812821+(291-40)=1072174×5-788=82136+132=268562-113=449412-(277+126)=9382-(340-114)=156133+255-112=276825+(866-494)=1197307×(47-44)=921404+(345-137)=612358-98-177=83492-267-59=166388-287-21=803/5-1/5=2/5467-40-300=127287-(373-91)=5131-18×3=77116+(180-74)=22214×6=84439-190+135=384868-749-70=49691-165-313=213349-(402-266)=213377-(478-121)=20121+291=412304+(403-399)=308262-(440-437)=25971×9-631=8277+339-236=380169+76×6=625180-88=92173-108=65543-166=377992-(630+280)=82149×4+579=1175487-79+42=450738-(185+274)=279751×(227-224)=225341×5=205996-971=25263-257+22=28439×4-443=1313213+13-152=74433-23×7=272107+883-444=5461/6+4/6=5/6740×2=1480395-(436-311)=27024×2=48274+188=462932+267-980=219433-(285+84)=64323-44=279844-473=371573+(212-13)=772957+(878-797)=103858+287-78=267628×6-129=3639403-20×2=363811×9-269=7030494-35×3=389331-(196-158)=293315-118×2=79407-(62+323)=22219-92+156=283229×4-147=769459-57×4=231507×(183-176)=3549269×6=1614420-(92+123)=205111-87+48=7298×(360-354)=588175+276=451368-(435-81)=14680-31-154=495421+133+263=817401×2=802436-18-101=317474-36=438362-49×3=215834-(237+484)=113177×(243-239)=708940-(294+521)=125426-(272-226)=380118×7-678=148987-(315+477)=195434+873-755=552740-424+691=1007345-(17+149)=179563+676-679=560199×(394-390)=796889-(156+431)=302326-94+142=374897-131×5=24234×4=136206+195=401218×4-60=812489+998-74=1413274-(116+87)=71889×(145-142)=2667299×2=598415-152-241=22135+148+613=896851+677+968=2496622+225-708=139599+529+925=2053184+237=421284+61=345188-167+396=417771-14×4=715480-78×3=24695×8-325=435348+596=944918-59×9=387354-66-71=217317×3=951142×2+160=444524-(459-142)=20734×7=238427×5-898=1237907-892+189=2045/7+2/7=1931-188×4=179488-(233+148)=107766-30-561=17568×9-540=72231×2+447=909402-290=112438-17+11=432183×7=1281819-165-526=128829-49×2=731130+115=245477-432-14=31575×4=2300771+56+701=1528355-272=83620+290+81=991445×2=890189-20×6=69400-313+348=435483+(782-98)=116718×7=126741+(826-109)=1458189+285=474894-618+533=809895+(881-193)=1583614-(117+465)=32302-(12+37)=253675-272+271=67499+(495-268)=326960+958=1918966-380-138=448112×8+534=1430859-22×7=705112+173=28570+86×6=586372-185+122=309499-222×2=5573+412=48592+113-76=129101×3-32=271197+(82-31)=248249-22×3=183268×(47-42)=1340373-(24+321)=28422-371=51950-(585-471)=836105+220+548=873556-58×3=382419-157=262745-(231+392)=122572-520+142=194138×6=828430+(407-159)=678267×3-466=3353/7-2/7=1/7850+776=1626856-127-350=379388-(95+133)=160242+(354-148)=448433-19×7=300770-508-44=21840×(19-14)=200954-86×5=524562+(274-201)=635998×2=1996977-461×2=55749-329+122=542482-448=34335×4=1340165+408+202=775288+(271-116)=443484+(321-90)=715155+103=258141×4-494=703/8+2/8=5/8938-(156+755)=27712-(829-189)=72610+755-690=675112×(406-401)=560839+78×7=1385429+328+216=973518-(33+430)=55270-(386-195)=79790-(581-478)=687154×4+833=1449136×5+768=1448121×8+300=1268539×7-497=3276595+(317-284)=628351×2-608=94496-238=258535-(271-270)=5343/5+2/5=177×9+647=1340410-(869-583)=124168-(102+34)=32745-(712+26)=7465-232+67=300323-(96+121)=106276×(509-506)=828367+359+215=94162+51+279=392239-176=63688-457=231101×4=404451×(501-492)=4059350-164=186618-(101+128)=389736-(512+126)=98125+288-10=40380×7-396=164260-255+157=162658-563=9527×2=5497+164=261605-(98-70)=57754×5+89=359570×6-400=3020500-40×9=140468-35-48=385929-168×4=257829-(995-561)=39566+(281-35)=3124/8-2/8=2/8156-(17+11)=128898-53+296=1141235-96×2=4384+(428-416)=96566-141+217=642797-441-157=199376-157-189=30258-20×7=118401+299-574=12633×(425-420)=165383-154×2=75274-181-47=46548+189+230=96763×(89-86)=189753+758=1511990-410=580216×4+60=924993+(391-25)=1359258-137=121440-(326-109)=223554-(858-663)=359974-62×5=664532+582-560=554884+158+409=1451297+106×6=933500-37×3=389332+39×9=68349×(50-46)=196752+965=1717247×4-700=28855×2=110216+211-83=344497+784=1281580-16+123=687404-11×7=327589×3=1767322+145=467180+168=348699×3=2097470-71-102=297357-255+271=373831×2=1662736+333+236=1305174+(323-263)=234881-206-231=44497×(314-307)=6792/3-1/3=1/3162+157=319408-66×2=276453-296=157953-904+719=768233×3+301=1000405-(415-153)=1431/8+6/8=7/8335+117-409=43730-247-445=3821×6+76=20298×7-316=370899-(638+43)=218342-185-144=13213+438+340=991209-94=115258-(214-102)=146330+170-352=148820-(822-347)=34530×4=120825+813=1638435-76×4=131387-290+79=176454-(381+51)=22217×4-674=194877-113=76476+93×7=727264×7-315=1533856×(598-590)=6848904×9-306=7830655+955+29=1639626×(612-605)=4382519-(587-249)=181225-192=33605+105×7=1340190×4=760449-(131+215)=103691-(49+533)=109266-246+468=488906-348=558208×(479-476)=624493+14+362=869371-(198+168)=5717-18-114=585464-280+213=397340-47+404=697108+81×3=35173+461+33=567497-(143+88)=266165+682=84795-(251-238)=82268-16-39=213272-(328-91)=353/6-1/6=2/6741+(483-163)=1061961-844+596=713243×4+479=1451156-(383-351)=124808-(67+378)=363962-255-282=425972-262-249=461416-262=154457+172+328=957180+197=377131+370+602=11031/5+4/5=1979-(637-355)=697142+837-729=250177×5=885885+596-927=554484×6=2904709+615+770=2094451-49-164=238175×4=700828×9-763=6689551+211×3=1184615×(451-445)=3690276+82×4=60476×2=152547+350+13=9104/6-2/6=2/6635-21×6=509741+482+147=1370320-18×9=158317+733+857=1907297+65=362326×(566-559)=2282341×7=2387641-30×8=401811+38×8=111585+398-128=355573+363=936336+112×4=784136+(420-174)=382210×3-423=207560+200=76022+499+924=1445281-(465-458)=274898×(872-869)=2694773×5-613=3252216-116+36=136307+418+96=821760-709+194=245201×(773-765)=1608101+295=396311-180+341=472712×9=6408197×(455-450)=985880-(969-352)=263444-(104+148)=192637+595=1232925-416=50921×7+490=637642+245+931=1818874+563-629=808795+600-277=1118879-55-44=780406+(937-880)=463363×8=290424×(24-15)=216192+103=295282-164-107=11488×2-613=3637/10-3/10=4/10825-(728-618)=715613-(693-595)=515813-(692-423)=544417-33-127=25739+353-245=147454-255+142=341492-44-187=26190+139+210=439147-(47+24)=76797-251=546400-167-107=126939-88×6=411451×3=1353112+(392-50)=454421-(468-309)=26298×(66-61)=490196×2-313=79481-150-240=91239×8=1912287+(756-688)=355253+167+128=548705-(688-391)=4082/4-1/4=1/4935-225-289=421781+551+340=167241+74×3=263240-100×2=40362+74=436173+137-89=22168+281=349997-(701-572)=868428-(997-805)=236257+(214-161)=310719-(224+217)=278341+(341-137)=545261-241+599=619503+758+102=1363323-88-93=142719-90×3=449208+(226-164)=270164×(151-144)=1148361-(688-447)=1202/6+3/6=5/6198-(177-162)=18349+(955-725)=27955×9=495878-289-345=244988-(261+229)=4982/5-1/5=1/53/8-1/8=2/8338-(150+68)=120760-(606+96)=58236+149+629=1014602-310-168=124205+804-744=265625×3-960=915180+63-221=22540-178×3=633×6=198560+403-158=805596-20=576581-447+788=922234-49=185204×4=81664+131=195412-(266-224)=370524-514+76=86361-(146+14)=201987+375=1362375+(446-11)=81019×8+640=79217×4+213=281896×6-250=512652+579+327=9582/7+3/7=5/787+74-67=94661-(790-598)=469610-342=268348-(188+139)=21877+(603-435)=1045317-79=238166+467=633449+482+684=1615252+845-119=978446-(172-17)=291107×(140-137)=32131+185×5=956381-202-20=159304+61=365197×4-554=234225+64=289415-162×2=91269-118=15146×7=322696+70×9=1326871-120=7514/7-2/7=2/769+230=29987+409-103=393133×2=266370+255-371=254841×5-448=3757980-189+55=846260+51×5=515119×2+232=470959-427=532377-277+376=476306+(466-395)=377272+63=3351/7+3/7=4/7370-183+20=207462-33-217=21291+355=446203-184+442=461395+148