三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦96+169+476=127×5=432-89=472-80×3=601+953+549=160×5-754=694-321=170-(378-248)=377-241=21+234-13=2/5+3/5=179-47+339=855-(286+313)=902×9=370+130-195=130-125+460=597+828+409=156×(41-37)=769+765=437-(256+50)=493-64×6=349-25×7=689+657=311+533+820=500-(169+277)=701-(746-405)=343-(789-635)=964-613=46×6+412=487-(70+324)=138×6-708=576+920+538=76+287=873+362-670=58×(190-186)=594-25×5=119×2+93=338+78=328-161+27=443-116-27=255-37×6=961-175-432=142+568+143=194+348×2=243-33×5=137×2=434+190-471=161+127×6=411-(627-252)=202+322=828×(135-132)=112×2-47=616×(677-670)=285+46-130=517-514+215=488-165-137=942+157×5=388-133+206=316×7-814=16+60+334=409-199-50=172×(896-889)=504-359=774-286-56=325-(226-192)=919-154×2=895+499+108=160+240=293+(367-44)=355+863+309=64+(360-50)=155-(959-891)=883-65×8=424-46=205-32+125=428-48×2=689-(941-743)=13×6=431-53-300=201-(146+54)=915+467×2=249+68×9=432×3=448+(416-162)=479-99-366=195+618+235=871-269-148=89+281+323=567+657=250×2+899=728×9=448-(340-41)=811+(911-760)=905-262-594=58+594+325=422-31=348+799+166=421+51×3=409+31+101=445+382=110×7=647×7-362=951-388+775=80+189=289×2+286=406-27×8=3/5+2/5=520-41-134=258×2-73=397+(927-833)=452×(545-537)=653+(767-537)=153×4=473-(406-311)=210+71=352×4=496-(277-242)=756×4=514-273+994=108×(433-426)=433+271=531-163=72+292=412-103×3=693-46-17=931-694+867=85+206-25=195+553+203=96×4=178×3+327=22×5=953-(25+751)=128×(362-356)=94+316=286+181=407-(63+344)=121+(877-715)=502+338-56=38×8-286=370+27+556=760-731=459-(170+166)=696-(596-398)=131+177-203=448-392+111=19+376+220=312+(676-148)=872×9=444-(438-345)=321-290=108×3-93=140+667=746+493=575-252-52=887+(868-275)=334×(951-943)=2/6+3/6=968-26×4=421-382-22=276+193=254×3-444=985-76+675=210+704-328=326-(146+69)=223-141-55=575-98+545=16×9+298=473-416=453-54×2=425×5-320=210×2-269=4/6-1/6=995-140-833=492-(477-157)=580×(897-892)=78+349-125=769×4=268+(553-62)=1/3+2/3=122×5-595=179+322+77=7/10-2/10=272-19×4=74+(418-217)=502-206+299=603-142=952-184×5=818-(105+228)=29×9=811+(939-576)=66×2=244-203=42×8+137=923+606-433=461-316+42=344-(385-283)=438-(119+299)=459+(331-81)=953×(730-726)=307-(180+100)=487-(37+147)=1/7+2/7=275-213+291=151+131=341-(246-54)=476-(832-539)=465-41-120=269×8=361-141=129×3=178-(736-656)=941-301-87=970×9=382×2-560=634×7-153=674-(569-47)=68+131+321=369×6-910=92×(427-422)=106×9-44=40+667-219=840-(269+304)=502+883-190=904×2=4/7+3/7=938×(582-573)=852-(556-105)=993-(910-590)=325+(84-78)=228-20×6=741-(567+76)=204-143-25=859-332-333=905-(94+493)=371-60×2=99×(113-110)=755-140×3=462+(587-547)=643+526-453=493-17×7=297-(132-92)=703+148-173=493+221=431-330+522=26×8-172=260+65×9=147×4+292=880×2-998=425-60×6=138+(222-112)=278-(406-395)=536×(159-150)=784-251=161×3-437=701+513=973+(679-329)=41×(183-175)=119×8=74×(481-472)=829+(403-332)=282×2+38=734-(194+430)=880-502=52×(447-441)=173+39=221×4-884=620-53=338-226=4/6-2/6=8/10-1/10=73×(98-94)=242+679+63=64+371=3/9-2/9=474+21×4=765×(194-189)=317-(78+186)=358-80×2=308-28=970+32+680=417×(685-682)=325+96-272=308×2=431+(144-96)=187+(431-351)=340+42-238=883-126=929-304-176=266+154=685-274-326=423-(32+346)=727×3=263+146=761+10+965=991-(168+74)=831×7-719=364-118=595-(464-462)=794×5=19+77=11+473+57=318-(169+57)=331-44-266=78+372+178=141×(417-412)=467-119-151=213-49-34=2/8+5/8=328+164-350=895-516-372=110×8+544=563-122-187=196+(98-29)=282×(159-156)=75-22=358+911=65×4+322=286+71-132=48×(136-128)=178-44=415-(359-302)=247-178+135=766-34×5=308-55×2=694-39×4=47+743+203=349-(56+30)=573+241+223=445+46×2=900-166×5=867-(501-357)=262×2=166+119×2=44+218=36×(67-62)=6/8-1/8=279×2+414=401-31-115=350-150=611+737-669=903-(165+98)=250×3=237+258-255=403-289=240+215-89=874×9-571=297-(24+106)=42+(277-249)=321-131+255=2/5-1/5=232-76=106×3-208=133-63=703+91+106=841-(589+105)=425-247=183×(372-367)=40×(387-384)=461-429+269=931-(210+673)=417+(105-72)=46+(470-57)=883-(371-36)=73×4=66×7=175+59×7=682-613+862=469-18-97=962+132+757=336-11×5=183×(292-287)=369+(977-901)=241+47+142=609+874+381=400-75×5=222-173+36=824+392+954=241+98+276=241-15×7=342+55×5=627-473+759=425-305=256-169=20×(30-25)=323-70+146=614-483-99=64+(707-665)=935-275-139=669+(583-133)=646×7-235=952-96-731=444×2=449-98-338=600+185+131=343+651-872=204+285=167×5-268=536-322+836=860+907+132=368-308+317=274×2+163=849-(91+357)=861×8-653=124+(848-374)=915-(381+172)=371-56=391+584+158=527-180+786=719+(534-529)=255+128+376=498-144-14=937-(167+562)=638+489-615=410-82×5=668-185×2=440-59-21=261-80×3=86+279-114=234-206=420×9-716=167×5-308=205+247-450=138+161=783-131+636=267×2=197+(156-91)=244×2+70=84×(199-191)=78×8-509=175-63×2=238-(35+96)=290×3-113=157×6-376=304+(342-323)=180+189×3=675-(240+400)=373-(679-332)=209+177+131=68+337=294-226=741-24=129-(708-607)=666-(104+70)=782-78=383-(269+70)=500-143×3=87+775-303=992×(603-597)=812-(723-47)=388-(281+70)=722+925-160=218+(279-61)=170-36-132=124×3+923=895-(994-307)=99×9-114=415-339=430-(196+203)=940×(574-569)=196+(914-423)=121-(642-527)=270-(410-327)=647×7-993=988-324×2=256+44=131×(95-88)=805+(971-381)=892+436-986=647-34+830=915×7=943-496+213=290-24×5=404×2-771=423+69-21=535+233=133+279-46=1/7+4/7=445+684-778=374-(323-166)=425-295=632×7-386=493-122+458=3/6-1/6=658+126×3=316+209×2=496-(295-169)=439-179-68=242-204+334=343-275+167=128+238=153+240-321=546×8-698=691+972-459=76+264=772×(249-240)=214+(495-30)=459-(276-15)=90+61=93+61×3=232×4-766=331+(40-12)=407+80×5=231-129=388×2-637=440-355-29=231-193+240=402-354+302=932-36×9=344×2+311=378-163+187=217×(453-449)=125×3=825×(735-731)=178-73+370=225+136=964×7=42×(272-269)=274×8=282-117-158=911×(488-481)=69×7-228=373-113×3=499-(186-29)=575-(204+52)=838-69×3=781×6-737=115×3+77=46×9+258=879-17+649=136×2-116=421-(232-141)=1/6+4/6=209-91=3/7-1/7=408-(358-61)=399+108+309=114+246×3=102×5=988×(535-529)=235×2+115=788-(915-386)=118×6-580=350+597=908-177×4=211+(809-70)=417+(617-374)=154+342-137=641-320=797-728-30=219×(70-67)=408+(484-329)=6/9-3/9=167+429+786=53+184=262-(171-89)=209-(31+46)=63+282+575=322×9-246=996-(174+565)=152-32-99=282×(176-173)=796-157=162-101+165=248+(439-149)=631-(877-739)=49×(60-55)=986+48×3=98×4+145=95×8=684×(185-177)=377-71-250=366+971=992-131×4=326×2+339=94+134+844=217-11+230=437×9-822=951-504+358=1/6+2/6=404+89-439=606-23×3=733+508-870=270-82=461-50×2=284+137=180+242=76+361-251=193×2=185-56=248+198-107=994-(411+302)=176+50=859-539-183=25×8+454=439-409=133+45+89=264+209=207×3+179=89×(189-182)=329×7-598=445+181+238=286-(157-22)=23+606+119=882+(707-533)=133-(356-256)=48×3=343-91-37=432×(833-828)=444-(785-441)=273-145+350=905-232=980-866=176×(453-449)=102×(334-325)=268-(181+75)=232×4=201+124=350-24×8=159+143=177-128-10=474×2=381-176=150×6-684=118×6=382-(428-162)=795-212-127=474-324+77=486-43×9=418-47×4=40+539-160=516-137=363+87-402=235-234+298=331-(115+24)=2/4-1/4=434-315=436-78-259=308+154-420=574×(309-306)=438-243+181=178-(416-414)=450-(28+102)=144+116=302+87×7=20×7=472-342=211-64-53=399+152+195=715-106×5=398+(328-97)=397+195+273=302+119=248+(493-352)=965-641=57+208-56=288-(275-200)=296×7=930-334-436=441-(468-400)=211+75×5=321-(335-239)=999-544-246=281+479=712+423+470=295-197+284=786×3-486=183×5+126=752-(648-514)=109-13×4=599-456+726=365+55+281=260+(335-305)=639-277-77=374-79=56-(297-257)=12×4=134×2=41+352-377=723-(523-196)=221×3+637=784-(109+142)=170-(896-854)=855×(526-521)=983-105-364=117×(665-661)=854-(654+166)=577+63×2=948-(606-109)=75+496+400=222-36×6=52×(787-779)=251-23×2=478-(335+68)=469-37×6=29+876-162=309-193+227=731×8-181=265+(164-143)=433-(315+74)=206+248-12=182+619+982=894-(482+205)=468-123-217=118+520=847-130×3=224+583=354+167+143=54×8+106=155×5-349=51×(165-162)=634-66-452=83×7-49=176×2=427+85×6=324+33-127=166×6=920+(646-246)=833+371-386=303-232=89+(259-15)=754-33+824=770-64×4=4/9-2/9=622-245=411-(244-69)=403-23-303=200+11+86=149+(317-109)=96×9-32=693+598-38=93×(338-333)=36×5+899=80×6=158+493=133×7-786=135+819+812=82+45=276+428=414-129×3=162+(613-254)=496-370-24=316×7-495=56-45+180=567-127+591=640+(695-105)=402-218+63=183+106-231=451-(324+97)=675+90×5=341+666-785=835×7=97+208+706=943-252×2=117+330=70+(325-77)=574+334+33=407+822-31=405-95+233=734+146+17=441-(38+21)=450-(237+115)=102×5-379=803+413-435=34+105=486-(207-125)=3/6+2/6=41-(252-247)=32+185×4=210-111+853=458-44=309+962-786=16+375-270=379-72×5=197+329+348=662×7=956×7=522×4=84×9=106×2+429=422+110×6=25×3=292+(769-357)=694-(664-557)=385-378+194=94-36+358=233+(358-214)=560×3-749=16+459-397=291+(112-31)=70×4=95+201=431×(239-231)=937-(145+219)=559×7-686=373×4-920=701+(990-467)=814×5=801-748=885-603-176=496-71×5=131×(429-423)=230-137+812=311+94-357=188+243×3=338+124-235=159+(740-469)=465-67=404-187+264=226×(121-118)=858-(292+344)=525+821+77=520×(724-719)=963-210-260=430-(319-78)=818×6-436=308×2+227=693+598-907=314+786=468-386+304=187+684+319=758-(219+356)=185×6-553=327+152×2=417×(447-441)=383+(477-201)=484-(138+212)=816-784=491-402=5/7+2/7=400+247×4=230+(727-419)=427+84=229+(266-37)=497-(225+157)=274+159=340-(209+95)=378-(81+270)=377×9=207-55×3=254-16×2=968-96-147=964-161×2=170×3-351=309-(124+96)=497-50×6=882-707+175=276-(448-199)=557×5=229-(42+174)=474+(499-332)=447-154-102=321-(58+141)=948-540-347=707+750-451=300-190=269+188×3=760×(177-172)=128+464+31=727×(873-868)=65×4+41=684-635+859=86+339=60×4=835×6=參考答案96+169+476=741127×5=635432-89=343472-80×3=232601+953+549=2103160×5-754=46694-321=373170-(378-248)=40377-241=13621+234-13=2422/5+3/5=1179-47+339=471855-(286+313)=256902×9=8118370+130-195=305130-125+460=465597+828+409=1834156×(41-37)=624769+765=1534437-(256+50)=131493-64×6=109349-25×7=174689+657=1346311+533+820=1664500-(169+277)=54701-(746-405)=360343-(789-635)=189964-613=35146×6+412=688487-(70+324)=93138×6-708=120576+920+538=203476+287=363873+362-670=56558×(190-186)=232594-25×5=469119×2+93=331338+78=416328-161+27=194443-116-27=300255-37×6=33961-175-432=354142+568+143=853194+348×2=890243-33×5=78137×2=274434+190-471=153161+127×6=923411-(627-252)=36202+322=524828×(135-132)=2484112×2-47=177616×(677-670)=4312285+46-130=201517-514+215=218488-165-137=186942+157×5=1727388-133+206=461316×7-814=139816+60+334=410409-199-50=160172×(896-889)=1204504-359=145774-286-56=432325-(226-192)=291919-154×2=611895+499+108=1502160+240=400293+(367-44)=616355+863+309=152764+(360-50)=374155-(959-891)=87883-65×8=363424-46=378205-32+125=298428-48×2=332689-(941-743)=49113×6=78431-53-300=78201-(146+54)=1915+467×2=1849249+68×9=861432×3=1296448+(416-162)=702479-99-366=14195+618+235=1048871-269-148=45489+281+323=693567+657=1224250×2+899=1399728×9=6552448-(340-41)=149811+(911-760)=962905-262-594=4958+594+325=977422-31=391348+799+166=1313421+51×3=574409+31+101=541445+382=827110×7=770647×7-362=4167951-388+775=133880+189=269289×2+286=864406-27×8=1903/5+2/5=1520-41-134=345258×2-73=443397+(927-833)=491452×(545-537)=3616653+(767-537)=883153×4=612473-(406-311)=378210+71=281352×4=1408496-(277-242)=461756×4=3024514-273+994=1235108×(433-426)=756433+271=704531-163=36872+292=364412-103×3=103693-46-17=630931-694+867=110485+206-25=266195+553+203=95196×4=384178×3+327=86122×5=110953-(25+751)=177128×(362-356)=76894+316=410286+181=467407-(63+344)=0121+(877-715)=283502+338-56=78438×8-286=18370+27+556=953760-731=29459-(170+166)=123696-(596-398)=498131+177-203=105448-392+111=16719+376+220=615312+(676-148)=840872×9=7848444-(438-345)=351321-290=31108×3-93=231140+667=807746+493=1239575-252-52=271887+(868-275)=1480334×(951-943)=26722/6+3/6=5/6968-26×4=864421-382-22=17276+193=469254×3-444=318985-76+675=1584210+704-328=586326-(146+69)=111223-141-55=27575-98+545=102216×9+298=442473-416=57453-54×2=345425×5-320=1805210×2-269=1514/6-1/6=3/6995-140-833=22492-(477-157)=172580×(897-892)=290078+349-125=302769×4=3076268+(553-62)=7591/3+2/3=1122×5-595=15179+322+77=5787/10-2/10=5/10272-19×4=19674+(418-217)=275502-206+299=595603-142=461952-184×5=32818-(105+228)=48529×9=261811+(939-576)=117466×2=132244-203=4142×8+137=473923+606-433=1096461-316+42=187344-(385-283)=242438-(119+299)=20459+(331-81)=709953×(730-726)=3812307-(180+100)=27487-(37+147)=3031/7+2/7=3/7275-213+291=353151+131=282341-(246-54)=149476-(832-539)=183465-41-120=304269×8=2152361-141=220129×3=387178-(736-656)=98941-301-87=553970×9=8730382×2-560=204634×7-153=4285674-(569-47)=15268+131+321=520369×6-910=130492×(427-422)=460106×9-44=91040+667-219=488840-(269+304)=267502+883-190=1195904×2=18084/7+3/7=1938×(582-573)=8442852-(556-105)=401993-(910-590)=673325+(84-78)=331228-20×6=108741-(567+76)=98204-143-25=36859-332-333=194905-(94+493)=318371-60×2=25199×(113-110)=297755-140×3=335462+(587-547)=502643+526-453=716493-17×7=374297-(132-92)=257703+148-173=678493+221=714431-330+522=62326×8-172=36260+65×9=845147×4+292=880880×2-998=762425-60×6=65138+(222-112)=248278-(406-395)=267536×(159-150)=4824784-251=533161×3-437=46701+513=1214973+(679-329)=132341×(183-175)=328119×8=95274×(481-472)=666829+(403-332)=900282×2+38=602734-(194+430)=110880-502=37852×(447-441)=312173+39=212221×4-884=0620-53=567338-226=1124/6-2/6=2/68/10-1/10=7/1073×(98-94)=292242+679+63=98464+371=4353/9-2/9=1/9474+21×4=558765×(194-189)=3825317-(78+186)=53358-80×2=198308-28=280970+32+680=1682417×(685-682)=1251325+96-272=149308×2=616431+(144-96)=479187+(431-351)=267340+42-238=144883-126=757929-304-176=449266+154=420685-274-326=85423-(32+346)=45727×3=2181263+146=409761+10+965=1736991-(168+74)=749831×7-719=5098364-118=246595-(464-462)=593794×5=397019+77=9611+473+57=541318-(169+57)=92331-44-266=2178+372+178=628141×(417-412)=705467-119-151=197213-49-34=1302/8+5/8=7/8328+164-350=142895-516-372=7110×8+544=1424563-122-187=254196+(98-29)=265282×(159-156)=84675-22=53358+911=126965×4+322=582286+71-132=22548×(136-128)=384178-44=134415-(359-302)=358247-178+135=204766-34×5=596308-55×2=198694-39×4=53847+743+203=993349-(56+30)=263573+241+223=1037445+46×2=537900-166×5=70867-(501-357)=723262×2=524166+119×2=40444+218=26236×(67-62)=1806/8-1/8=5/8279×2+414=972401-31-115=255350-150=200611+737-669=679903-(165+98)=640250×3=750237+258-255=240403-289=114240+215-89=366874×9-571=7295297-(24+106)=16742+(277-249)=70321-131+255=4452/5-1/5=1/5232-76=156106×3-208=110133-63=70703+91+106=900841-(589+105)=147425-247=178183×(372-367)=91540×(387-384)=120461-429+269=301931-(210+673)=48417+(105-72)=45046+(470-57)=459883-(371-36)=54873×4=29266×7=462175+59×7=588682-613+862=931469-18-97=354962+132+757=1851336-11×5=281183×(292-287)=915369+(977-901)=445241+47+142=430609+874+381=1864400-75×5=25222-173+36=85824+392+954=2170241+98+276=615241-15×7=136342+55×5=617627-473+759=913425-305=120256-169=8720×(30-25)=100323-70+146=399614-483-99=3264+(707-665)=106935-275-139=521669+(583-133)=1119646×7-235=4287952-96-731=125444×2=888449-98-338=13600+185+131=916343+651-872=122204+285=489167×5-268=567536-322+836=1050860+907+132=1899368-308+317=377274×2+163=711849-(91+357)=401861×8-653=6235124+(848-374)=598915-(381+172)=362371-56=315391+584+158=1133527-180+786=1133719+(534-529)=724255+128+376=759498-144-14=340937-(167+562)=208638+489-615=512410-82×5=0668-185×2=298440-59-21=360261-80×3=2186+279-114=251234-206=28420×9-716=3064167×5-308=527205+247-450=2138+161=299783-131+636=1288267×2=534197+(156-91)=262244×2+70=55884×(199-191)=67278×8-509=115175-63×2=49238-(35+96)=107290×3-113=757157×6-376=566304+(342-323)=323180+189×3=747675-(240+400)=35373-(679-332)=26209+177+131=51768+337=405294-226=68741-24=717129-(708-607)=28666-(104+70)=492782-78=704383-(269+70)=44500-143×3=7187+775-303=559992×(603-597)=5952812-(723-47)=136388-(281+70)=37722+925-160=1487218+(279-61)=436170-36-132=2124×3+923=1295895-(994-307)=20899×9-114=777415-339=76430-(196+203)=31940×(574-569)=4700196+(914-423)=687121-(642-527)=6270-(410-327)=187647×7-993=3536988-324×2=340256+44=300131×(95-88)=917805+(971-381)=1395892+436-986=342647-34+830=1443915×7=6405943-496+213=660290-24×5=170404×2-771=37423+69-21=471535+233=768133+279-46=3661/7+4/7=5/7445+684-778=351374-(323-166)=217425-295=130632×7-386=4038493-122+458=8293/6-1/6=2/6658+126×3=1036316+209×2=734496-(295-169)=370439-179-68=192242-204+334=372343-275+167=235128+238=366153+240-321=72546×8-698=3670691+972-459=120476+264=340772×(249-240)=6948214+(495-30)=679459-(276-15)=19890+61=15193+61×3=276232×4-766=162331+(40-12)=359407+80×5=807231-129=102388×2-637=139440-355-29=56231-193+240=278402-354+302=350932-36×9=608344×2+311=999378-163+187=402217×(453-449)=868125×3=375825×(735-731)=3300178-73+370=475225+136=361964×7=674842×(272-269)=126274×8=2192282-117-158=7911×(488-481)=637769×7-228=255373-113×3=34499-(186-29)=342575-(204+52)=319838-69×3=631781×6-737=3949115×3+77=42246×9+258=672879-17+649=1511136×2-116=156421-(232-141)=3301/6+4/6=5/6209-91=1183/7-1/7=2/7408-(358-61)=111399+108+309=816114+246×3=852102×5=510988×(535-529)=5928235×2+115=585788-(915-386)=259118×6-580=128350+597=947908-177×4=200211+(809-70)=950417+(617-374)=660154+342-137=359641-320=321797-728-30=39219×(70-67)=657408+(484-329)=5636/9-3/9=3/9167+429+786=138253+184=237262-(171-89)=180209-(31+46)=13263+282+575=920322×9-246=2652996-(174+565)=257152-32-99=21282×(176-173)=846796-157=639162-101+165=226248+(439-149)=538631-(877-739)=49349×(60-55)=245986+48×3=113098×4+145=53795×8=760684×(185-177)=5472377-71-250=56366+971=1337992-131×4=468326×2+339=99194+134+844=1072217-11+230=436437×9-822=3111951-504+358=8051/6+2/6=3/6404+89-439=54606-23×3=537733+508-870=371270-82=188461-50×2=361284+137=421180+242=42276+361-251=186193×2=386185-56=129248+198-107=339994-(411+302)=281176+50=226859-539-183=13725×8+454=654439-409=30133+45+89=267264+209=473207×3+179=80089×(189-182)=623329×7-598=1705445+181+238=864286-(157-22)=15123+606+119=748882+(707-533)=1056133-(356-256)=3348×3=144343-91-37=215432×(833-828)=2160444-(785-441)=100273-145+350=478905-232=673980-866=114176×(453-449)=704102×(334-325)=918268-(181+75)=12232×4=928201+124=325350-24×8=158159+143=302177-128-10=39474×2=948381-176=205150×6-684=216118×6=708382-(428-162)=116795-212-127=456474-324+77=227486-43×9=99418-47×4=23040+539-160=419516-137=379363+87-402=48235-234+298=299331-(115+24)=1922/4-1/4=1/4434-315=119436-78-259=99308+154-420=42574×(309-306)=1722438-243+181=376178-(416-414)=176450-(28+102)=320144+116=260302+87×7=91120×7=140472-342=130211-64-53=94399+152+195=746715-106×5=185398+(328-97)=629397+195+273=865302+119=421248+(493-352)=389965-641=32457+208-56=209288-(275-200)=213296×7=2072930-334-436=160441-(468-400)=373211+75×5=586321-(335-239)=225999-544-246=209281+479=760712+423+470=1605295-197+284=382786×3-486=1872183×5+126=1041752-(648-514)=618109-13×4=57599-456+726=869365+55+281=701260+(335-305)=290639-277-77=285374-79=29556-(297-257)=1612×4=48134×2=26841+352-377=16723-(523-196)=396221×3+637=1300784-(109+142)=533170-(896-854)=128855×(526-521)=4275983-105-364=514117×(665-661)=468854-(654+166)=34577+63×2=703948-(606-109)=45175+496+400=971222-36×6=652×(787-779)=416251-23×2=205478-(335+68)=75469-37×6=24729+876-162=743309-193+227=343731×8-181=5667265+(164-143)=286433-(315+74)=44206+248-12=442182+619+982=1783894-(482+205)=207468-123-217=128118+520=638847-130×3=457224+583=807354+167+143=66454×8+106=538155×5-349=42651×(165-162)=153