三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦19+(189-140)=360-(96+123)=122×(399-395)=627×(742-738)=307+117=921-20×9=890×2-637=483-(238+144)=86×6=36×2=178-58×2=798×7=318×(584-578)=997-62=117+39=990-747-115=62×(252-247)=964-682-145=376-366=732×8=456-(195+236)=755-127+302=745-172×4=217-137+100=645-11×3=265+396+965=306+(560-457)=438+49+249=30×(422-417)=410+(465-445)=858×5=179×5+446=920-(213-180)=763+(644-170)=2/4-1/4=389+92+176=36+13=4/9-3/9=383-(48+105)=574-222=208+66×4=372-65-300=243-(275-91)=318+298+475=361-(173+98)=489-(80+219)=886+409-582=40+123×5=401-(419-369)=702×4=437×2=519×2-802=251+61+409=984-925=737-42=191×4=258+86=497-245-163=762×(310-301)=272×(949-944)=995-341+225=885-284×2=99-(383-309)=388-71=868-168×3=37+230-30=125-28×4=610+158=689-453-149=490-(59+74)=180+152=323+107=709-(108+501)=340+(477-235)=486-129-144=743-(951-386)=255-241+327=170-33-86=508-383-43=399-148-177=416×2-542=311×(64-61)=760×(31-28)=344+74=274-254+542=263-(628-564)=517-35×6=289+194=42+114-89=435-241-103=418-192×2=284+164=724-(404-402)=489-434+180=262+87-276=504-(10+265)=843-662+245=621-(425+108)=227-113+836=614-(834-627)=884-449=494-57=10+449-251=580×8-575=496-(62+338)=89+(316-44)=457-72×4=98+(421-18)=990×(348-345)=898+144×5=310+877+167=369×2-229=496+272-192=311-150×2=993-12×3=46×7=467-97-65=478×8-96=402-349+443=141×7=869+(925-596)=532+582+178=39+431-231=121×2+307=623×(537-533)=482+(858-209)=484+90×9=55×4=407-(101+192)=81+35-111=779-(64+624)=230+(446-15)=175×(434-431)=477-(212-140)=111×4=79×(348-341)=919+280=216-13-187=776×(268-261)=131×7-901=35+299+106=209-128=88×8-38=207-96=156-10+554=752×4=474-86-148=655-310+831=973+894-736=419-313+607=56×9=24+210×4=453+400+173=1/8+2/8=955-(462-430)=487-351+89=130+262×2=708+940=213+251-101=57+(172-112)=216+(381-256)=494+(336-123)=873+247-836=963-877-45=186-17×6=189×3+245=391+(426-229)=878-(415+230)=600-(469-448)=45×8+254=346-15+134=386+31×2=831-157-180=100+234=258-242=188×4+100=290-(428-303)=979-11×6=398-157+927=893-(781-130)=365+(374-251)=825-402+836=689×8=111-(695-653)=982-(30+617)=153×6-245=190+832-722=500-402+89=495-154×2=615-(991-897)=5/8-3/8=265-30×3=16×(494-488)=3/8+4/8=25×(238-235)=233-(128+29)=627×2-607=74-(76-29)=394-390+85=22×4=2/7-1/7=50+296-309=150×9=536-(147+232)=12×7=968+881=476-74=420-139-135=418-(38+286)=642×(36-33)=1/5+2/5=251×3=162-(392-290)=4/9-2/9=83×8=287+(964-189)=537+315=30×6+58=364×2-111=337-65-92=155+(564-519)=78×4+103=1/4+3/4=803-(112+214)=353-87-256=55-(48-33)=308+277+153=732-465-199=174×2+961=28×3=405×2-151=680+224-115=616+209+366=166×4-638=105+(455-95)=138+896-963=299+517=183-(351-252)=926-848+624=371×2-300=22+594+253=93-13×4=540+334+564=633-623+650=409+(186-112)=125×8-851=954-298+903=36+(442-290)=3/8-2/8=365-332+216=496-322+119=308+(179-123)=32×(486-479)=403-298=385-47×4=118×(266-260)=181×4-424=166×5=446-328-89=882-(344+392)=388-65=977-778=16×(141-138)=146+217-272=721+66×8=150×6-43=291-160=322×3=742+915+843=168×3=640-(700-557)=436+(348-313)=130+340=31×5+292=444-(237+177)=6/9-2/9=751-474=51×2+640=544+117-340=974-(721-30)=705+61×6=377+(393-249)=14×8+405=109+351=101-45+298=105+83=74×5=696+665-550=532-(517-357)=317+(413-281)=312-148=95+75=327-107×2=845-486=199+577-205=112+(894-656)=313+200+970=355×(638-631)=628+(510-402)=547-(146+300)=39+(496-288)=357-166-172=341+590=960-135×5=754-81×9=287+165-316=200×3+232=263-(135+47)=38×6=754-54=445-140+51=876-181-327=520+693-31=123-35+254=473-392=868+488-314=56×(370-363)=50+873+85=314-(52+31)=473-43×3=222×(955-949)=863×4=308-(469-392)=551+547-778=607-378+190=307-227+123=380×2-338=975-(577+120)=5/7+2/7=697×(260-254)=26+129×7=254+275+74=193+(956-445)=345-(279+35)=642-40×6=447+91+145=414×4-10=683-(333+141)=92×2=446×(439-434)=88+484=464-(86-54)=741-(214+219)=242-28=46+474+469=297×3+178=460-67+76=461-23=79×8-202=24×7=116-65+275=408+296+869=493-43-374=834-579=203×5=70×5+286=857-141×2=900-328=441-57×3=169+319-195=136×3+458=25+46×9=208+228+38=87×3=886+189×3=420-(85+211)=307-36×3=211-74=821+152=18+442-419=15+340-138=424+79-47=342+(678-647)=200+274=804-(904-384)=623×3=81+(191-136)=184-182+37=93×7+258=250-72×3=822-(612-240)=341×2=116+349-33=929×(769-766)=603+150+277=382-254=964-433+489=382-152×2=220×2+123=146+(19-11)=399×2-730=258×9-52=740-273+211=34×5=300-(498-437)=202+(832-325)=68+347-305=361+526+20=398×4-965=344+317+280=64×3-63=525+962-698=6/10+4/10=147+94+65=291+126-354=845+836=55+(67-38)=91+468+416=232×4-136=474-(246+18)=567+968-127=339-(24+147)=447-(159+31)=492-(78+193)=42×8=476-122-153=440-(311+41)=474-319-88=229×4-275=3/7-2/7=178-24×2=277-118=668×9=436-77×4=995-(537+146)=242+10-90=460-184=195-154+54=113×(61-58)=297×(358-355)=317-25×5=113×(225-216)=294-25×4=193×2=422+334+173=355+(818-157)=59×2-84=66×2=423+(361-243)=822-727+732=209-(81+114)=830-239-164=564+28+221=474-46×9=271×(383-380)=273+582+352=208-71-135=539+466+80=115×7=311-73+197=233+212+376=328-105+256=12+31=365-(300-272)=645-121-422=453-(360+91)=108×9-332=422-(415-81)=324-84=866×8-640=197+388+365=662-79×2=730×6=266×2+381=426-176=808×(170-166)=142+277=6/8-1/8=165×(476-471)=632-62×3=357-274=285-(574-496)=953-433=274×6=562-432=186-40=499-18×9=467-(189+136)=180×2-296=418-161-195=191-24-46=381-33-120=424+39+136=328-264+42=828-691=648+(313-22)=848-169×2=2/6+4/6=176+(721-668)=188×2+294=554×(282-279)=41+383-333=112+425×2=840-694-113=231+(918-154)=321×3-782=667+859=569+569=489-(210+105)=609+105×5=42-25=425+156×5=444+594-264=686×5-861=375+258=187×(170-166)=985+98-781=422-16=147+168-169=885×(476-471)=432-(125+184)=650+230+53=750-(981-565)=1/4+2/4=975×(583-579)=327×6-22=465+220=880+247-283=395+720=17×(382-377)=6/10+2/10=488-119-321=75+142×5=364-(214-168)=523-364=78×9-237=418+26-197=211×4+982=128×4=788-150=316-189+324=576+435+464=85×(874-867)=624×6=421-(217+96)=673-345+316=334+(123-77)=74×4+448=2/8+3/8=412-144-43=266+77=988+414+984=613×(36-28)=776-398+311=851×9-539=260+65=253+(395-120)=481+157-413=446-218+114=479×6-712=367+359+230=519×(511-506)=690+516-708=942-291+894=443+(253-44)=463×2-752=317-165+576=859-139-423=346×5=1/8+3/8=459-44×7=860-97-40=158-34+23=722×(329-321)=387-(498-141)=363×7-994=833-(636+134)=447+(621-46)=145-65+90=47+747+147=110+242×2=916+370=534×4=108+97=759-(973-853)=88×8=211×5-649=174+301×3=698×4=156+292=405×2-395=365-36×9=25+279+246=380×2-394=628-409=247×3=485+10-75=104+355-429=691×9-569=341-88+234=426-140×3=684-(225-144)=962-48×5=464-(287-85)=721+34+536=240-(789-676)=2/7+3/7=498-(478+15)=243-84=80×(25-18)=468+168=391+846=378-20=926-(80+121)=706-120×5=274+434=249×(144-141)=601+871+28=2/5-1/5=459-(171+198)=467-35×8=35+19=4/8-2/8=120×3=966-(631+232)=434-265=329-(163+88)=74+246=729-(650-458)=714-260-276=700+398=247×3+329=306-(285-193)=287×2-510=844-634=733×4-364=578+542+332=586+174×2=577+863+177=605×(120-114)=107×3=556-383=252+325+599=246-(888-740)=87+463=866+(421-412)=172×5-27=852-554-57=72×8+173=116+47=963-188×3=148+339=111-(148-139)=739-189=176+343×2=489+(300-232)=228-84=357-126=109+307=21+341-274=559×8=90×(345-337)=195+114=451-(157-102)=982-405=490-14=283+415=456+103×4=71+257+666=116×(181-173)=791+687+695=2/3-1/3=331+(969-962)=29+690-713=182-(271-210)=480-78×3=657-29+635=241+259-174=920+830+945=344×6-718=405+(830-800)=884-(489+380)=683-471-51=433-180=245+236-258=478+373-727=596-175=404-337+68=232-(214-211)=161+276+536=490-75-222=163-(29+101)=414+609+637=423-53-226=980+901+369=904-129-556=371-124-171=42×4=65+28×4=634+534=210-43×2=105×(311-308)=191-176=787+830-835=200-83=278-(134-68)=101×4+453=366×2+85=54×(374-367)=431-40×2=11×4+397=729-(316+291)=598+151=289-34×3=806×4-434=61×(98-89)=290+(486-356)=527+898+397=105+(900-63)=980-479-387=871-115-379=832-(510-230)=290-(281-53)=223-20=464+276-456=543-(825-738)=463-279-79=195+171-324=713-156-203=69+415-414=662+88×2=786-568+746=466-(437-276)=86+979+75=291-71×4=343-(447-251)=477-(120+265)=55+(768-661)=588-268+205=362-18×6=342-239+138=554×5-916=479-(282-58)=556+170=426+(705-150)=22×4+430=44+381-390=401+(249-199)=932-352-40=840-140×2=399-130=106-61+866=893+71×4=177+184-108=870-392×2=719-43×5=259×(579-575)=373-265+10=368+74×8=47+(331-128)=434×9-929=867-86-154=710×5-951=49+303+436=172+125+491=173×8=287×3-189=130×7-565=158×8-789=204+(984-317)=735×(131-126)=702-(262+218)=35+611+273=394-291-60=28×(158-152)=382-(354-75)=17×6+18=67×(815-812)=213×(851-843)=425+99+268=226-49×4=162+222=78×(29-24)=207+135×2=66+221=762-25×8=847-84-392=115-94+384=346-190-66=332-25×7=894-553=982+638=69×3=88×7+595=437×2-208=350-(82+139)=227+122-27=109-105+185=916-(82+769)=836-581+209=25+451×2=936+754-635=472-315-69=123-(157-39)=789+191×3=296+(487-416)=24×5=416-(852-592)=344-74=731-(149+330)=283+541-701=783-250-386=464-49-70=247+198=436+(253-246)=282-(469-371)=635-476-137=633-(316+128)=723-255-363=808-(295+229)=27×2=439-334+359=116+376=100×(434-429)=859+429+571=706-(493+170)=454+(283-77)=393+107×3=502+(961-747)=750×3-511=348-14×2=622×5=838+(599-554)=276-251+217=662-235+119=426+167×2=711×(461-452)=113+285=29×(318-315)=151+120-91=485-(368-251)=69+180+575=275+263+257=212+200=298-(395-126)=444-16×7=902+(452-182)=856×3-515=463-(380-112)=215-50×3=369×3-665=884×2=851×5=354×2-179=395-(385-218)=437-166×2=60×(271-263)=873+480-14=304-67-65=378-(341+21)=636×4=116×5-117=814-(553-283)=344×2+849=84+213+703=69×9-422=145+78=936-115-583=726+(836-475)=418-109=460-(116+98)=492-233-124=197+955-407=161×(129-123)=參考答案19+(189-140)=68360-(96+123)=141122×(399-395)=488627×(742-738)=2508307+117=424921-20×9=741890×2-637=1143483-(238+144)=10186×6=51636×2=72178-58×2=62798×7=5586318×(584-578)=1908997-62=935117+39=156990-747-115=12862×(252-247)=310964-682-145=137376-366=10732×8=5856456-(195+236)=25755-127+302=930745-172×4=57217-137+100=180645-11×3=612265+396+965=1626306+(560-457)=409438+49+249=73630×(422-417)=150410+(465-445)=430858×5=4290179×5+446=1341920-(213-180)=887763+(644-170)=12372/4-1/4=1/4389+92+176=65736+13=494/9-3/9=1/9383-(48+105)=230574-222=352208+66×4=472372-65-300=7243-(275-91)=59318+298+475=1091361-(173+98)=90489-(80+219)=190886+409-582=71340+123×5=655401-(419-369)=351702×4=2808437×2=874519×2-802=236251+61+409=721984-925=59737-42=695191×4=764258+86=344497-245-163=89762×(310-301)=6858272×(949-944)=1360995-341+225=879885-284×2=31799-(383-309)=25388-71=317868-168×3=36437+230-30=237125-28×4=13610+158=768689-453-149=87490-(59+74)=357180+152=332323+107=430709-(108+501)=100340+(477-235)=582486-129-144=213743-(951-386)=178255-241+327=341170-33-86=51508-383-43=82399-148-177=74416×2-542=290311×(64-61)=933760×(31-28)=2280344+74=418274-254+542=562263-(628-564)=199517-35×6=307289+194=48342+114-89=67435-241-103=91418-192×2=34284+164=448724-(404-402)=722489-434+180=235262+87-276=73504-(10+265)=229843-662+245=426621-(425+108)=88227-113+836=950614-(834-627)=407884-449=435494-57=43710+449-251=208580×8-575=4065496-(62+338)=9689+(316-44)=361457-72×4=16998+(421-18)=501990×(348-345)=2970898+144×5=1618310+877+167=1354369×2-229=509496+272-192=576311-150×2=11993-12×3=95746×7=322467-97-65=305478×8-96=3728402-349+443=496141×7=987869+(925-596)=1198532+582+178=129239+431-231=239121×2+307=549623×(537-533)=2492482+(858-209)=1131484+90×9=129455×4=220407-(101+192)=11481+35-111=5779-(64+624)=91230+(446-15)=661175×(434-431)=525477-(212-140)=405111×4=44479×(348-341)=553919+280=1199216-13-187=16776×(268-261)=5432131×7-901=1635+299+106=440209-128=8188×8-38=666207-96=111156-10+554=700752×4=3008474-86-148=240655-310+831=1176973+894-736=1131419-313+607=71356×9=50424+210×4=864453+400+173=10261/8+2/8=3/8955-(462-430)=923487-351+89=225130+262×2=654708+940=1648213+251-101=36357+(172-112)=117216+(381-256)=341494+(336-123)=707873+247-836=284963-877-45=41186-17×6=84189×3+245=812391+(426-229)=588878-(415+230)=233600-(469-448)=57945×8+254=614346-15+134=465386+31×2=448831-157-180=494100+234=334258-242=16188×4+100=852290-(428-303)=165979-11×6=913398-157+927=1168893-(781-130)=242365+(374-251)=488825-402+836=1259689×8=5512111-(695-653)=69982-(30+617)=335153×6-245=673190+832-722=300500-402+89=187495-154×2=187615-(991-897)=5215/8-3/8=2/8265-30×3=17516×(494-488)=963/8+4/8=7/825×(238-235)=75233-(128+29)=76627×2-607=64774-(76-29)=27394-390+85=8922×4=882/7-1/7=1/750+296-309=37150×9=1350536-(147+232)=15712×7=84968+881=1849476-74=402420-139-135=146418-(38+286)=94642×(36-33)=19261/5+2/5=3/5251×3=753162-(392-290)=604/9-2/9=2/983×8=664287+(964-189)=1062537+315=85230×6+58=238364×2-111=617337-65-92=180155+(564-519)=20078×4+103=4151/4+3/4=1803-(112+214)=477353-87-256=1055-(48-33)=40308+277+153=738732-465-199=68174×2+961=130928×3=84405×2-151=659680+224-115=789616+209+366=1191166×4-638=26105+(455-95)=465138+896-963=71299+517=816183-(351-252)=84926-848+624=702371×2-300=44222+594+253=86993-13×4=41540+334+564=1438633-623+650=660409+(186-112)=483125×8-851=149954-298+903=155936+(442-290)=1883/8-2/8=1/8365-332+216=249496-322+119=293308+(179-123)=36432×(486-479)=224403-298=105385-47×4=197118×(266-260)=708181×4-424=300166×5=830446-328-89=29882-(344+392)=146388-65=323977-778=19916×(141-138)=48146+217-272=91721+66×8=1249150×6-43=857291-160=131322×3=966742+915+843=2500168×3=504640-(700-557)=497436+(348-313)=471130+340=47031×5+292=447444-(237+177)=306/9-2/9=4/9751-474=27751×2+640=742544+117-340=321974-(721-30)=283705+61×6=1071377+(393-249)=52114×8+405=517109+351=460101-45+298=354105+83=18874×5=370696+665-550=811532-(517-357)=372317+(413-281)=449312-148=16495+75=170327-107×2=113845-486=359199+577-205=571112+(894-656)=350313+200+970=1483355×(638-631)=2485628+(510-402)=736547-(146+300)=10139+(496-288)=247357-166-172=19341+590=931960-135×5=285754-81×9=25287+165-316=136200×3+232=832263-(135+47)=8138×6=228754-54=700445-140+51=356876-181-327=368520+693-31=1182123-35+254=342473-392=81868+488-314=104256×(370-363)=39250+873+85=1008314-(52+31)=231473-43×3=344222×(955-949)=1332863×4=3452308-(469-392)=231551+547-778=320607-378+190=419307-227+123=203380×2-338=422975-(577+120)=2785/7+2/7=1697×(260-254)=418226+129×7=929254+275+74=603193+(956-445)=704345-(279+35)=31642-40×6=402447+91+145=683414×4-10=1646683-(333+141)=20992×2=184446×(439-434)=223088+484=572464-(86-54)=432741-(214+219)=308242-28=21446+474+469=989297×3+178=1069460-67+76=469461-23=43879×8-202=43024×7=168116-65+275=326408+296+869=1573493-43-374=76834-579=255203×5=101570×5+286=636857-141×2=575900-328=572441-57×3=270169+319-195=293136×3+458=86625+46×9=439208+228+38=47487×3=261886+189×3=1453420-(85+211)=124307-36×3=199211-74=137821+152=97318+442-419=4115+340-138=217424+79-47=456342+(678-647)=373200+274=474804-(904-384)=284623×3=186981+(191-136)=136184-182+37=3993×7+258=909250-72×3=34822-(612-240)=450341×2=682116+349-33=432929×(769-766)=2787603+150+277=1030382-254=128964-433+489=1020382-152×2=78220×2+123=563146+(19-11)=154399×2-730=68258×9-52=2270740-273+211=67834×5=170300-(498-437)=239202+(832-325)=70968+347-305=110361+526+20=907398×4-965=627344+317+280=94164×3-63=129525+962-698=7896/10+4/10=1147+94+65=306291+126-354=63845+836=168155+(67-38)=8491+468+416=975232×4-136=792474-(246+18)=210567+968-127=1408339-(24+147)=168447-(159+31)=257492-(78+193)=22142×8=336476-122-153=201440-(311+41)=88474-319-88=67229×4-275=6413/7-2/7=1/7178-24×2=130277-118=159668×9=6012436-77×4=128995-(537+146)=312242+10-90=162460-184=276195-154+54=95113×(61-58)=339297×(358-355)=891317-25×5=192113×(225-216)=1017294-25×4=194193×2=386422+334+173=929355+(818-157)=101659×2-84=3466×2=132423+(361-243)=541822-727+732=827209-(81+114)=14830-239-164=427564+28+221=813474-46×9=60271×(383-380)=813273+582+352=1207208-71-135=2539+466+80=1085115×7=805311-73+197=435233+212+376=821328-105+256=47912+31=43365-(300-272)=337645-121-422=102453-(360+91)=2108×9-332=640422-(415-81)=88324-84=240866×8-640=6288197+388+365=950662-79×2=504730×6=4380266×2+381=913426-176=250808×(170-166)=3232142+277=4196/8-1/8=5/8165×(476-471)=825632-62×3=446357-274=83285-(574-496)=207953-433=520274×6=1644562-432=130186-40=146499-18×9=337467-(189+136)=142180×2-296=64418-161-195=62191-24-46=121381-33-120=228424+39+136=599328-264+42=106828-691=137648+(313-22)=939848-169×2=5102/6+4/6=1176+(721-668)=229188×2+294=670554×(282-279)=166241+383-333=91112+425×2=962840-694-113=33231+(918-154)=995321×3-782=181667+859=1526569+569=1138489-(210+105)=174609+105×5=113442-25=17425+156×5=1205444+594-264=774686×5-861=2569375+258=633187×(170-166)=748985+98-781=302422-16=406147+168-169=146885×(476-471)=4425432-(125+184)=123650+230+53=933750-(981-565)=3341/4+2/4=3/4975×(583-579)=3900327×6-22=1940465+220=685880+247-283=844395+720=111517×(382-377)=856/10+2/10=8/10488-119-321=4875+142×5=785364-(214-168)=318523-364=15978×9-237=465418+26-197=247211×4+982=1826128×4=512788-150=638316-189+324=451576+435+464=147585×(874-867)=595624×6=3744421-(217+96)=108673-345+316=644334+(123-77)=38074×4+448=7442/8+3/8=5/8412-144-43=225266+77=343988+414+984=2386613×(36-28)=4904776-398+311=689851×9-539=7120260+65=325253+(395-120)=528481+157-413=225446-218+114=342479×6-712=2162367+359+230=956519×(511-506)=2595690+516-708=498942-291+894=1545443+(253-44)=652463×2-752=174317-165+576=728859-139-423=297346×5=17301/8+3/8=4/8459-44×7=151860-97-40=723158-34+23=147722×(329-321)=5776387-(498-141)=30363×7-994=1547833-(636+134)=63447+(621-46)=1022145-65+90=17047+747+147=941110+242×2=594916+370=1286534×4=2136108+97=205759-(973-853)=63988×8=704211×5-649=406174+301×3=1077698×4=2792156+292=448405×2-395=415365-36×9=4125+279+246=550380×2-394=366628-409=219247×3=741485+10-75=420104+355-429=30691×9-569=5650341-88+234=487426-140×3=6684-(225-144)=603962-48×5=722464-(287-85)=262721+34+536=1291240-(789-676)=1272/7+3/7=5/7498-(478+15)=5243-84=15980×(25-18)=560468+168=636391+846=1237378-20=358926-(80+121)=725706-120×5=106274+434=708249×(144-141)=747601+871+28=15002/5-1/5=1/5459-(171+198)=90467-35×8=18735+19=544/8-2/8=2/8120×3=360966-(631+232)=103434-265=169329-(163+88)=7874+246=320729-(650-458)=537714-260-276=178700+398=1098247×3+329=1070306-(285-193)=214287×2-510=64844-634=210733×4-364=2568578+542+332=1452586+174×2=934577+863+177=1617605×(120-114)=3630107×3=321556-383=173252+325+599=1176246-(888-740)=9887+463=550866+(421-412)=875172×5-27=833852-554-57=24172×8+173=749116+47=163963-188×3=399148+339=487111-(148-139)=102739-189=550176+343×2=862489+(300-232)=557228-84=144357-126=231109+307=41621+341-274=88559×8=447290×(345-337)=720195+114=309451-(157-102)=396982-405=577490-14=476283+415=698456+103×4=86871+257+666=994116×(181-173)=928791+687+695=21732/3-1/3=1/3331+(969-962)=33829+690-713=6182-(271-210)=121480-78×3=246657-29+635=1263241+259-174=326920+830+945=2695344×6-718=1346405+(830-800)=435884-(489+380)=15683-471-51=161433-180=253245+236-258=223478+373-727=124596-175=421404-337+68=135232-(214-211)=229161+276+536=973490-75-222=193163-(29+101)=33414+609+637=1660423-53-226=144980+901+369=2250904-129-556=219371-124-171=7642×4=16865+28×4=177634+534=1168210-43×2=124105×(311-308)=315191-176=15787+830-835=782200-83=117278-(134-68)=212101×4+453=857366×2+85=81754×(374-367)=378431-40×2=35111×4+397=441729-(316+291)=122598+151=749289-34×3=187806×4-434=279061×(98-89)=549290+(486-356)=420527+898+397=1822105+(900-63)=942980-479-387=114871-115-379=377832-(510-230)=552290-(281-53)=62223-20=203464+276-456