三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦497-223-38=118-(64+31)=445-16-359=320-(813-744)=434-148=116+348=374+310+497=600×2=159+144+496=141×6+533=160+656-784=239-66=948+928-776=225-34=659-80+554=183+281-159=59×(30-21)=252-50+916=939+(963-663)=162×6-890=979-630-16=850+346-817=186×4=144+320=308+245×2=908-131+191=533-(417+26)=26×(186-180)=344-(454-421)=324+82=811+(906-367)=561-106×4=120×5-482=926-(409+272)=223-(69+123)=198-128+168=118+209-240=244-76=417-179×2=801+928=971-366×2=434-251+86=514+138+72=372+42-377=340-213=935+(452-132)=92×3-111=120+(496-300)=233+435=304+172-176=332×7-909=535-192-199=219×4-243=141+295=402+296+206=65×9-74=591×5-726=967-(797+84)=4/5-1/5=306-40×6=133+(448-149)=940×4=1/7+5/7=363×4=674-83+437=742-13×9=347-63×3=32+(544-208)=225+259-147=438+(448-373)=363-51=113×(163-158)=880-(574-154)=461-96+78=393-49×2=358×2=683-(365+137)=356×(838-830)=868+805-221=5/7-1/7=284+167+317=929-(796-115)=285-13+12=454-32×9=395+736-211=428-62-18=280×(47-44)=459-427=322+338+80=205-(238-163)=877+(711-660)=190+263-288=476×8=854×(470-462)=432-90=303-(13+19)=20×(149-143)=3/9+5/9=229+845-191=268+229-360=434-373=45×(56-53)=62+389×2=527-501=151+259-103=285+192=333×2-473=256+949+888=791-664-87=59×9+365=257-40-73=687-63×4=36×5+165=330×3=284+93×2=631-59×3=580×(733-726)=648-115-435=559-327+462=895-583-79=249+194-316=99×3+882=762-194+476=107×4=112×7=304+(380-33)=517+(747-334)=590×3-950=162+166+617=312+792-513=980-(696+42)=517×(848-841)=187+83=4/7-1/7=660-(553-498)=436+117×3=120×(71-67)=167×5=599-282=194+531-601=67×(473-466)=15+(138-101)=924+269+282=563-(22+367)=71×3-150=1/6+3/6=125-51+421=433-(303-256)=965-860+757=467-(194+125)=80×7-111=356+198+81=438-112=41+394-134=785-89-363=673-305×2=71×(87-81)=369-32-280=249×8=275-82=257×3-564=2/6+3/6=240-(43+193)=473-340+311=54-37=447-327+267=46+184+261=92×5+274=69+289=189-(406-327)=87×(391-385)=527+161×6=791-127=16+456-213=708+(195-106)=4/7-2/7=629×(216-212)=355+(318-101)=424×(643-637)=277-(318-186)=462-(135+243)=85×9-544=423×2=169-49+109=3/7-2/7=380-(470-107)=711-325-160=354+289+156=337-(152+171)=353-(174+120)=403-331+797=861-289-493=987+428+750=472-157=111+250-232=937-(505+361)=176×8=390-143-181=32-(778-772)=1/8+2/8=136-(115-13)=256+(683-321)=502×3-920=629-526-38=320-263=63+303×2=220×2=168-(788-641)=637+606+665=614-516=393+(486-412)=469+(449-431)=717-313=46×8+442=308+925-347=273+68+628=728-634=197+41+496=654+340+202=224-(739-656)=166+350+91=920×4=660×3-348=59+878-454=155+280=398-15×4=245×(135-131)=188×3-498=237×2+551=633-(199+396)=405+389=236-13=490-11×9=141×4=40×6+229=139×(200-197)=468-(138+187)=888-10+58=301-(371-196)=278-233+92=526×4-651=496+(233-40)=43×9+230=458-210+395=929-59×4=193+(842-124)=984×(811-807)=421-(67+181)=302+138=71×9=98×9-714=461-170-101=845+522+28=204-(148+30)=308-(45+93)=800+727-870=125+284-41=422-(101+97)=24×(180-174)=609+991+858=404-343=118+372=241+56=120×5-201=94+464+197=449-(172+153)=479×2-322=119+213-31=200×5-709=573-56×3=301-(65+20)=62×3=291-180+200=398+181+302=42×7=633+325-461=220×6-79=640-218×2=237+(426-109)=1/6+4/6=660+37×9=759-(66+624)=241+94=224-(110-57)=91+58=31+118=330+162-376=475-89-20=700-465=931+604=957-(613+250)=993-217=407-(96+105)=259-231+102=925-(917-348)=33+19+843=467+170+153=341×8=76+343=387-240+372=277+(202-196)=187+(381-229)=868-705+740=124+71=3/7+2/7=167+68=984-179×5=428-79-112=281-49×4=632-(287+30)=836-11×9=2/4-1/4=561+103×3=775-198-482=993-(32+841)=890-(106-35)=550-(391+87)=307-149+53=87×7+621=444-304-71=120×7-691=715×6-745=324×4=294+235=495-149+791=212+128×2=92+908+417=34+(274-223)=400×2=692×5-136=377-144-154=26×3=497-333-16=170-(435-384)=99-(456-448)=71+(429-398)=467-459+48=985×(440-434)=90+70=311×3+851=431-117×3=217×2-298=523+510=402-304=17+153+225=28+928+503=139+53=305×(449-446)=217+(443-14)=639×6=99×5-24=430-386=700+975-287=23×4=248+619=217-(417-283)=724-52-432=323-204+239=644+516+944=997-475=160×3=819-194×2=30×(213-204)=396×9=675-42×4=446-343-70=32+115×7=184×3+198=238-17×3=38×(930-923)=214+500=694+131=176×4=369-74+136=242-27×7=236-(668-657)=212-10+264=390-(20+344)=434-75-263=306+(355-288)=458-(227+132)=570×2=375+269+190=749+(724-496)=204+125=800-729=991-(753-235)=970+(617-550)=185+(874-568)=547-(761-595)=69×7=154×4-421=22+120=837-135+147=900-243×3=179×2+132=198+756=107×9-22=585×2=264-(388-230)=841×9=136×(156-149)=761-39-652=383+586-536=349+76=763-52-194=542-(64+12)=861+(787-375)=307-57×3=977+(807-448)=447-26=72+96×2=678-(882-336)=222-113+206=641-28×2=533-13×6=279-247+80=209+(317-144)=928-(129+542)=72×8-228=583-(278-271)=240+210×2=427+(951-414)=222+(692-298)=615-(460+144)=99+(201-11)=65×6=103×9=434-(18+49)=247+29×8=7/10-2/10=121+53×6=348×(228-223)=59+(203-139)=657-526-111=546×9-92=219-11×9=685×(636-627)=462×9-510=777×(103-96)=257×9-589=151×(38-33)=450-332+193=596-142+648=94+(292-250)=296×2-136=217×(680-671)=320-185+430=60×(340-334)=418-124×2=964-(336+341)=844-640+920=104+128-17=142-20×7=166+253-257=610+902+222=851-450=153×5+223=358-320+226=445-341=754-180-167=130×(39-32)=32×2=92-82+427=3/8-2/8=332×3-751=726-481+818=105+(306-208)=488+(958-735)=249-121-119=833×7-124=271-54=381-300=496+(199-192)=977+105+406=456-(177-114)=85+110=79×(216-208)=386×8=564+170+22=582-297-180=870+132×5=70+170-194=664-647=294-(905-783)=993-139×7=426×2-188=532-(28+302)=244×(47-44)=365-94=313-122-167=375+860+972=488-17×7=344+(457-105)=190×3=465-(411-353)=545×2=114+311+296=892+308+328=377-147×2=835+481+944=887+69-857=821+608-227=336-(210+117)=545+(845-187)=472-162-271=3/5-2/5=101+118=361-(31+193)=313×2+132=3/8+2/8=229×3=772-(626-560)=378+51×7=80+(335-124)=778+(924-773)=359+23-317=426+(306-167)=411-10×6=481-15×8=102×6-602=334-140=495-310-133=13×4+508=459-(472-285)=413×(216-213)=88+306=36×(197-188)=775-31×4=375-(164+151)=203+250-52=394+79×3=220+57=300-(15+148)=216+145=982-(147+631)=97+31+131=736+646-215=704-300=873-477-101=473-44-242=207×4=181-33=680-140×4=885-(148+513)=209×8-547=114×(24-18)=140×6-241=292+490+719=223×3+114=963-(50+635)=103+51+151=265-109=557×9=235-127-10=731-(936-602)=372-(154-51)=394-92-250=917-846+972=386-153×2=72×4-191=816-708+405=426-(489-176)=160×4+29=343-64+959=297+183-447=320+30×3=671+698+314=303×2-312=471-316=332-(469-241)=485-73×2=648-(598-262)=389+384-672=63×3+483=437-261-152=254+219=402-35=857-509-175=416-362=96×7=866-149-459=42×3-124=956-321+894=148+(310-139)=636+26×7=975+85×2=438-(85+188)=593-340=52×(678-671)=419-(227+88)=582+151=2/7+4/7=102-36×2=52+(787-464)=605+126=598+664+448=249×(262-259)=487-266=970+(398-231)=235-15×3=681×2-401=384-157=261-212-43=275-79×3=394+29-217=185+867-25=84+442+669=45×2=212+236-283=888-(862+21)=105+325=929-32×2=802+278+248=811+165×4=16×(376-370)=2/8+4/8=834-(533+63)=544+808=913-637=628-(64-27)=71×8+389=202×6-724=1/4+2/4=199+208-129=317+53=507-73×5=661-(817-159)=894-754=938-887+375=106×4+162=42×(84-78)=730+(618-91)=123+(398-120)=24×(389-384)=314-(403-359)=307-51×6=330+170+161=240×2=369+131+126=417×6-887=451-22×8=402×5-502=227×3=283+(600-490)=48+(375-153)=823-(301+514)=94-26+400=199×(549-545)=491×2-390=908×4=90×(49-44)=620-(707-683)=296-58-48=990-245=3/7-1/7=232×3+636=668-391+894=994-(156+290)=447-(177+161)=141×7+638=310-(331-329)=433-215-103=119+59=216×4+88=283+281×2=147×(292-287)=948+443=290-139+146=797-176×4=523-408=56-(330-279)=987+866-526=115×(263-259)=112-12-11=127-(116-25)=674×3-825=90×3+766=68+255-218=795+858-462=368-237=586+196+174=240×3-112=11×4=280-30×8=787-183-394=747-(93+226)=267+151=88×6+572=222+417=965+145-808=338-277=325-(159+119)=398-165=386+(276-33)=682-475+685=910×(60-53)=443-(163+217)=402×7=35×4=34×5=561×2-128=440-(263-198)=905×7=894+521=291-106+641=218×(205-200)=949+817-29=194+299-385=25+968+840=62-(198-176)=493-325+218=463-(339-152)=456-63=809+659=998-(894-864)=528+873=360×2=113+105=663-113×2=522×4-840=479-(10+356)=179+191+196=78+172+216=724-(402-319)=874+657=540+176+41=619-11×8=437-(453-160)=95+87×8=235×3-364=908+(964-111)=903+809-391=520×(854-851)=335-25×3=404×2=432+34×3=482×9-806=451-(229+161)=565-(365+54)=202+281-47=199-163+258=818×9=990+577-628=430-(243-87)=191×(419-411)=167+(861-843)=494-313+107=438-116=218×5-129=961×4=470×(574-569)=232-20×7=982+584-337=85×8+614=76+399+16=251-45×5=576-46-417=60×(217-212)=947-257-588=728-196+763=320-(468-184)=483-66=933+30×2=483-(352-56)=997-430+997=292×2-503=386+108-385=703+874+654=894+39×6=976-457-406=346+71-157=635-122=188×(197-193)=314+960=923+(944-448)=1/5+2/5=393-12×5=272+(821-569)=133+232+572=631-(449-243)=491-49×8=100×8-86=364-(461-126)=669-(408+239)=498-(822-570)=545-(251-138)=207×(371-368)=339+84+145=500-495+133=608×7-681=826-568-102=96+51+271=387-22-363=772+904+929=69+296-64=851-286×2=2/3-1/3=85×4+94=326-124=490-40-245=913-(348+70)=969-481-179=313+154=55×6=32×7=31+438-104=31×6=139×5=944+(370-312)=5/8-1/8=353+46-49=220×9-121=450-410+121=213+518=45×2+676=815×8=59+35=888-(654-498)=487-407-12=996-176-100=889-538+617=253+145-75=278+258+100=353-145-110=782+26×9=359-221-56=410-406+18=176+658=455-52×7=472+104+443=211-28-37=985×(98-95)=740-355-371=81×(734-730)=284-(292-71)=431-189+43=956-263=172+273+75=493-42-147=320-(89-38)=55+(494-169)=135×(88-84)=328-(201+124)=130+154=101+18×3=216+508-436=315+(299-150)=345-150×2=61+149×5=476+291=283-77=457-16×9=402×(316-309)=191+96=238×(324-321)=471+50×4=167×(927-919)=98×6+209=318-58=550×6-518=181-81+354=165+991+579=328+(111-98)=參考答案497-223-38=236118-(64+31)=23445-16-359=70320-(813-744)=251434-148=286116+348=464374+310+497=1181600×2=1200159+144+496=799141×6+533=1379160+656-784=32239-66=173948+928-776=1100225-34=191659-80+554=1133183+281-159=30559×(30-21)=531252-50+916=1118939+(963-663)=1239162×6-890=82979-630-16=333850+346-817=379186×4=744144+320=464308+245×2=798908-131+191=968533-(417+26)=9026×(186-180)=156344-(454-421)=311324+82=406811+(906-367)=1350561-106×4=137120×5-482=118926-(409+272)=245223-(69+123)=31198-128+168=238118+209-240=87244-76=168417-179×2=59801+928=1729971-366×2=239434-251+86=269514+138+72=724372+42-377=37340-213=127935+(452-132)=125592×3-111=165120+(496-300)=316233+435=668304+172-176=300332×7-909=1415535-192-199=144219×4-243=633141+295=436402+296+206=90465×9-74=511591×5-726=2229967-(797+84)=864/5-1/5=3/5306-40×6=66133+(448-149)=432940×4=37601/7+5/7=6/7363×4=1452674-83+437=1028742-13×9=625347-63×3=15832+(544-208)=368225+259-147=337438+(448-373)=513363-51=312113×(163-158)=565880-(574-154)=460461-96+78=443393-49×2=295358×2=716683-(365+137)=181356×(838-830)=2848868+805-221=14525/7-1/7=4/7284+167+317=768929-(796-115)=248285-13+12=284454-32×9=166395+736-211=920428-62-18=348280×(47-44)=840459-427=32322+338+80=740205-(238-163)=130877+(711-660)=928190+263-288=165476×8=3808854×(470-462)=6832432-90=342303-(13+19)=27120×(149-143)=1203/9+5/9=8/9229+845-191=883268+229-360=137434-373=6145×(56-53)=13562+389×2=840527-501=26151+259-103=307285+192=477333×2-473=193256+949+888=2093791-664-87=4059×9+365=896257-40-73=144687-63×4=43536×5+165=345330×3=990284+93×2=470631-59×3=454580×(733-726)=4060648-115-435=98559-327+462=694895-583-79=233249+194-316=12799×3+882=1179762-194+476=1044107×4=428112×7=784304+(380-33)=651517+(747-334)=930590×3-950=820162+166+617=945312+792-513=591980-(696+42)=242517×(848-841)=3619187+83=2704/7-1/7=3/7660-(553-498)=605436+117×3=787120×(71-67)=480167×5=835599-282=317194+531-601=12467×(473-466)=46915+(138-101)=52924+269+282=1475563-(22+367)=17471×3-150=631/6+3/6=4/6125-51+421=495433-(303-256)=386965-860+757=862467-(194+125)=14880×7-111=449356+198+81=635438-112=32641+394-134=301785-89-363=333673-305×2=6371×(87-81)=426369-32-280=57249×8=1992275-82=193257×3-564=2072/6+3/6=5/6240-(43+193)=4473-340+311=44454-37=17447-327+267=38746+184+261=49192×5+274=73469+289=358189-(406-327)=11087×(391-385)=522527+161×6=1493791-127=66416+456-213=259708+(195-106)=7974/7-2/7=2/7629×(216-212)=2516355+(318-101)=572424×(643-637)=2544277-(318-186)=145462-(135+243)=8485×9-544=221423×2=846169-49+109=2293/7-2/7=1/7380-(470-107)=17711-325-160=226354+289+156=799337-(152+171)=14353-(174+120)=59403-331+797=869861-289-493=79987+428+750=2165472-157=315111+250-232=129937-(505+361)=71176×8=1408390-143-181=6632-(778-772)=261/8+2/8=3/8136-(115-13)=34256+(683-321)=618502×3-920=586629-526-38=65320-263=5763+303×2=669220×2=440168-(788-641)=21637+606+665=1908614-516=98393+(486-412)=467469+(449-431)=487717-313=40446×8+442=810308+925-347=886273+68+628=969728-634=94197+41+496=734654+340+202=1196224-(739-656)=141166+350+91=607920×4=3680660×3-348=163259+878-454=483155+280=435398-15×4=338245×(135-131)=980188×3-498=66237×2+551=1025633-(199+396)=38405+389=794236-13=223490-11×9=391141×4=56440×6+229=469139×(200-197)=417468-(138+187)=143888-10+58=936301-(371-196)=126278-233+92=137526×4-651=1453496+(233-40)=68943×9+230=617458-210+395=643929-59×4=693193+(842-124)=911984×(811-807)=3936421-(67+181)=173302+138=44071×9=63998×9-714=168461-170-101=190845+522+28=1395204-(148+30)=26308-(45+93)=170800+727-870=657125+284-41=368422-(101+97)=22424×(180-174)=144609+991+858=2458404-343=61118+372=490241+56=297120×5-201=39994+464+197=755449-(172+153)=124479×2-322=636119+213-31=301200×5-709=291573-56×3=405301-(65+20)=21662×3=186291-180+200=311398+181+302=88142×7=294633+325-461=497220×6-79=1241640-218×2=204237+(426-109)=5541/6+4/6=5/6660+37×9=993759-(66+624)=69241+94=335224-(110-57)=17191+58=14931+118=149330+162-376=116475-89-20=366700-465=235931+604=1535957-(613+250)=94993-217=776407-(96+105)=206259-231+102=130925-(917-348)=35633+19+843=895467+170+153=790341×8=272876+343=419387-240+372=519277+(202-196)=283187+(381-229)=339868-705+740=903124+71=1953/7+2/7=5/7167+68=235984-179×5=89428-79-112=237281-49×4=85632-(287+30)=315836-11×9=7372/4-1/4=1/4561+103×3=870775-198-482=95993-(32+841)=120890-(106-35)=819550-(391+87)=72307-149+53=21187×7+621=1230444-304-71=69120×7-691=149715×6-745=3545324×4=1296294+235=529495-149+791=1137212+128×2=46892+908+417=141734+(274-223)=85400×2=800692×5-136=3324377-144-154=7926×3=78497-333-16=148170-(435-384)=11999-(456-448)=9171+(429-398)=102467-459+48=56985×(440-434)=591090+70=160311×3+851=1784431-117×3=80217×2-298=136523+510=1033402-304=9817+153+225=39528+928+503=1459139+53=192305×(449-446)=915217+(443-14)=646639×6=383499×5-24=471430-386=44700+975-287=138823×4=92248+619=867217-(417-283)=83724-52-432=240323-204+239=358644+516+944=2104997-475=522160×3=480819-194×2=43130×(213-204)=270396×9=3564675-42×4=507446-343-70=3332+115×7=837184×3+198=750238-17×3=18738×(930-923)=266214+500=714694+131=825176×4=704369-74+136=431242-27×7=53236-(668-657)=225212-10+264=466390-(20+344)=26434-75-263=96306+(355-288)=373458-(227+132)=99570×2=1140375+269+190=834749+(724-496)=977204+125=329800-729=71991-(753-235)=473970+(617-550)=1037185+(874-568)=491547-(761-595)=38169×7=483154×4-421=19522+120=142837-135+147=849900-243×3=171179×2+132=490198+756=954107×9-22=941585×2=1170264-(388-230)=106841×9=7569136×(156-149)=952761-39-652=70383+586-536=433349+76=425763-52-194=517542-(64+12)=466861+(787-375)=1273307-57×3=136977+(807-448)=1336447-26=42172+96×2=264678-(882-336)=132222-113+206=315641-28×2=585533-13×6=455279-247+80=112209+(317-144)=382928-(129+542)=25772×8-228=348583-(278-271)=576240+210×2=660427+(951-414)=964222+(692-298)=616615-(460+144)=1199+(201-11)=28965×6=390103×9=927434-(18+49)=367247+29×8=4797/10-2/10=5/10121+53×6=439348×(228-223)=174059+(203-139)=123657-526-111=20546×9-92=4822219-11×9=120685×(636-627)=6165462×9-510=3648777×(103-96)=5439257×9-589=1724151×(38-33)=755450-332+193=311596-142+648=110294+(292-250)=136296×2-136=456217×(680-671)=1953320-185+430=56560×(340-334)=360418-124×2=170964-(336+341)=287844-640+920=1124104+128-17=215142-20×7=2166+253-257=162610+902+222=1734851-450=401153×5+223=988358-320+226=264445-341=104754-180-167=407130×(39-32)=91032×2=6492-82+427=4373/8-2/8=1/8332×3-751=245726-481+818=1063105+(306-208)=203488+(958-735)=711249-121-119=9833×7-124=5707271-54=217381-300=81496+(199-192)=503977+105+406=1488456-(177-114)=39385+110=19579×(216-208)=632386×8=3088564+170+22=756582-297-180=105870+132×5=153070+170-194=46664-647=17294-(905-783)=172993-139×7=20426×2-188=664532-(28+302)=202244×(47-44)=732365-94=271313-122-167=24375+860+972=2207488-17×7=369344+(457-105)=696190×3=570465-(411-353)=407545×2=1090114+311+296=721892+308+328=1528377-147×2=83835+481+944=2260887+69-857=99821+608-227=1202336-(210+117)=9545+(845-187)=1203472-162-271=393/5-2/5=1/5101+118=219361-(31+193)=137313×2+132=7583/8+2/8=5/8229×3=687772-(626-560)=706378+51×7=73580+(335-124)=291778+(924-773)=929359+23-317=65426+(306-167)=565411-10×6=351481-15×8=361102×6-602=10334-140=194495-310-133=5213×4+508=560459-(472-285)=272413×(216-213)=123988+306=39436×(197-188)=324775-31×4=651375-(164+151)=60203+250-52=401394+79×3=631220+57=277300-(15+148)=137216+145=361982-(147+631)=20497+31+131=259736+646-215=1167704-300=404873-477-101=295473-44-242=187207×4=828181-33=148680-140×4=120885-(148+513)=224209×8-547=1125114×(24-18)=684140×6-241=599292+490+719=1501223×3+114=783963-(50+635)=278103+51+151=305265-109=156557×9=5013235-127-10=98731-(936-602)=397372-(154-51)=269394-92-250=52917-846+972=1043386-153×2=8072×4-191=97816-708+405=513426-(489-176)=113160×4+29=669343-64+959=1238297+183-447=33320+30×3=410671+698+314=1683303×2-312=294471-316=155332-(469-241)=104485-73×2=339648-(598-262)=312389+384-672=10163×3+483=672437-261-152=24254+219=473402-35=367857-509-175=173416-362=5496×7=672866-149-459=25842×3-124=2956-321+894=1529148+(310-139)=319636+26×7=818975+85×2=1145438-(85+188)=165593-340=25352×(678-671)=364419-(227+88)=104582+151=7332/7+4/7=6/7102-36×2=3052+(787-464)=375605+126=731598+664+448=1710249×(262-259)=747487-266=221970+(398-231)=1137235-15×3=190681×2-401=961384-157=227261-212-43=6275-79×3=38394+29-217=206185+867-25=102784+442+669=119545×2=90212+236-283=165888-(862+21)=5105+325=430929-32×2=865802+278+248=1328811+165×4=147116×(376-370)=962/8+4/8=6/8834-(533+63)=238544+808=1352913-637=276628-(64-27)=59171×8+389=957202×6-724=4881/4+2/4=3/4199+208-129=278317+53=370507-73×5=142661-(817-159)=3894-754=140938-887+375=426106×4+162=58642×(84-78)=252730+(618-91)=1257123+(398-120)=40124×(389-384)=120314-(403-359)=270307-51×6=1330+170+161=661240×2=480369+131+126=626417×6-887=1615451-22×8=275402×5-502=1508227×3=681283+(600-490)=39348+(375-153)=270823-(301+514)=894-26+400=468199×(549-545)=796491×2-390=592908×4=363290×(49-44)=450620-(707-683)=596296-58-48=190990-245=7453/7-1/7=2/7232×3+636=1332668-391+894=1171994-(156+290)=548447-(177+161)=109141×7+638=1625310-(331-329)=308433-215-103=115119+59=178216×4+88=952283+281×2=845147×(292-287)=735948+443=1391290-139+146=297797-176×4=93523-408=11556-(330-279)=5987+866-526=1327115×(263-259)=460112-12-11=89127-(116-25)=36674×3-825=119790×3+766=103668+255-218=105795+858-462=1191368-237=131586+196+174=956240×3-112=60811×4=44280-30×8=40787-183-394=210747-(93+226)=428267+151=41888×6+572=1100222+417=639965+145-808=302338-277=61325-(159+119)=47398-165=233386+(276-33)=629682-475+685=892910×(60-53)=6370443-(163+217)=63402×7=281435×4=14034×5=170561×2-128=994440-(263-198)=375905×7=6335894+521=1415291-106+641=826218×(205-200)=1090949+817-29=1737194+299-385=10825+968+840=183362-(198-176)=40493-32