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

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦668-14+383=335-(897-872)=314-(443-316)=103-10×4=456-85=791×(876-873)=673+(623-370)=321+134=72+(336-273)=89×8-509=378-178-86=663-10-497=217×9=671-(90+562)=379-(503-384)=915-98+840=712-627=878×2=734-426-213=427×6=219-118=258+221-145=73-61+373=319+14×2=969-104+453=202×2+663=1/5+2/5=736-20-228=486-276+270=312-217=202+876+752=462-(51+224)=39×8-88=854×(861-857)=438-123×3=202+(483-245)=569-295-189=159-98+112=99×7-15=892-(75+362)=339-86=23×6+854=312×4=893+527-480=162+231+566=3/4-1/4=327-(389-123)=733×9-815=364-70×4=871-372×2=197-66×2=78×(188-183)=39+100=804×6-123=966×4=63+393-199=10×7-50=152+233-297=75×9=462-44×9=31×9=299+794=909-(598-10)=254×2+305=951-578-274=69+56×3=96+(918-67)=16+(209-108)=60×7-405=417-50×3=454-341+45=139+345=216×(229-225)=28×4=461-203=709-533-36=579-367+445=38+84×7=455-220=386-109=929-10×8=578×(883-876)=826-214×3=430×(664-656)=692+(306-26)=529+157+748=279+(882-135)=109×8-746=497-169+25=224+12×6=255+141-255=739×8=751-417+761=161×7-189=947+232×4=772-567-64=329+326+713=137-50=456-218×2=117+380=382×(336-332)=51×5=224×4=278-24×8=903×9-689=426-(450-131)=57×(255-247)=306×(928-923)=439-97-130=305-85-166=49+(995-690)=323-(85+195)=581+(953-841)=85+60=335×2=618+942-817=746-(463-259)=336+84+192=94+185=148×3+384=472+326=763-747+425=132×4=722-(837-115)=510+792-383=480-65-316=872+245-397=216+65+277=610-(430+146)=246-(252-193)=666+155=277+(607-374)=111×(753-745)=431×5-806=392-(422-330)=365+(490-434)=264-230=361×(563-557)=5/8-1/8=280×8-841=473-375=403+66×8=589-308+885=41+264+460=444+(943-139)=414-28-266=204+736-71=48×8+447=137+164=12×2+216=206-(458-400)=275+974-495=479×6-507=441-72=480-(13+428)=307-19×4=869-649=357-(80+122)=4/6-2/6=115×(154-146)=479-324=990-(686-258)=94×5-283=388-222=215×(730-727)=283-(128+48)=383+627+907=855-(247+560)=561×(489-485)=987-(153+693)=783-416+35=571+90+337=320+(432-343)=950-823-125=336×(476-473)=423+158+387=3/7+2/7=767-383+29=347-25×4=379+(619-197)=156×4-441=221+758=437-18×3=32+427+203=219-40×2=282+183=158+444+93=368-351=479-122-267=527-123=155-150+392=102×(173-170)=185×5=372-149=318+275+138=739×9-329=975-554-28=107×(88-82)=183×4-198=95×7-480=932-293-212=49+109×4=925+540+548=1/5+3/5=81×(231-226)=470+146×4=899-(392-350)=137×4-26=259+125=635+276-501=669-(457+211)=310-155+101=387-(411-159)=713-11×4=267+51+628=3/8+4/8=859-643-151=581-192×2=340+79=682×5-406=334+48×5=58+281=216×(359-355)=134+149-21=287+(413-86)=241-142+197=500-85-176=823×(708-703)=870×4-78=417-72=578-(211-83)=260+(314-85)=32×4-91=296+186-49=117+261=494+363=537-(296-273)=412-(248-92)=150×2-130=609-191=162+207=1/7+3/7=450-(83+78)=987+902+839=172×(324-321)=240-(352-347)=942+715+60=126+(390-218)=12+290+635=839-230-521=165+(315-209)=910+(133-37)=241-208+219=2/8+4/8=275+140=552×(665-656)=39×7-115=980-623=459+(309-84)=474-372=874+170-73=424×2-318=142×6-35=340×(364-359)=234+354×2=324×3=520-44×2=393+64×2=382-(460-283)=357-196+78=478-72=529-(700-510)=535×8-303=715-(202+345)=323+(476-19)=129×3=4/6-1/6=802×8-917=446-41-104=388-381+374=206+(415-339)=317-22×4=232×(790-781)=237-(456-223)=226×2=376+412=292-46=380-43×8=247+489=238+176=299-215=296-(47+162)=460+591+551=356-74×4=185+511+63=380-12×9=851+202-248=791-197×3=692-436+199=672-253=419-29×4=828-(275+407)=486-450=197×5-978=91+548+177=164×(245-240)=529+557+487=479-276+45=64×6+50=391-(467-414)=566-124-381=975-(385+96)=842-(773-150)=468-(157+238)=292+204=854-(155+332)=219+194=759-(160+489)=440-49-350=800×7-206=82×6-142=5/8+2/8=95×6=303×3=178+252+189=692-283-368=703+744+25=46×8+140=895-(628+232)=797+152=105×(338-330)=153+659+292=271-14-186=836×8=852+651-552=407+329+911=361-17×4=114×4-228=318-(73+35)=174×4-634=100×5-186=824+659=784-361×2=385+398=202×2-153=45+257=781-666=121×4=272-(187-42)=484+(448-11)=188-60×2=440+353+480=604-111×5=937-61-611=491-279=63×(356-351)=806×4=196-(65+22)=723-91-36=386-30×4=145+307-257=607×7-222=318-83+59=720-245+332=132+(479-429)=342-304=501×5-648=282+238×3=706-(745-286)=990-350+344=336+675+856=405-154-205=4/7+3/7=18×6+119=954+(264-163)=942+313-459=40×9+262=5/8-2/8=881×2=539-(316+35)=132+885-478=487-(185+294)=643-113-111=161-(409-344)=556-(873-496)=546+13+306=173×5+800=181+315-94=489+66×5=60+(633-231)=4/10-1/10=129×6-112=99+185=80×9+894=94×9-444=587×(710-701)=815-(824-25)=563-19=102+146=456×8=282-194+47=530-75×3=478-434=115-(137-136)=315-22×5=980+55×6=800-(820-245)=25×6+509=982-(628-501)=69×(142-134)=73×2=295-(59+216)=134+279-207=94×(404-397)=152+410+939=605×6=131+173-230=358-245+224=425-25×6=62×5+159=7/10+3/10=211+(326-205)=128-62+393=308-163=175+(694-211)=245+143+72=3/6+2/6=884-(498-89)=230-159+248=122+121-175=53×4+138=101×8=916+(715-538)=853+56+88=168×4-515=395-(192-129)=896×(748-740)=480+(228-10)=45×7-155=14+(193-125)=151+188=338+(854-848)=362-(82+23)=52+170=572+62+80=947+434-466=796+74×7=835-87-688=497+217=728+49×2=881-466-112=287-31×5=496-18-109=125+738-387=803-522=342-137+95=372-139=76×9+639=794×4-983=20×(150-147)=102×2+143=726+(914-858)=591+16+357=211×4=330+(668-143)=131×6-47=385-264+157=453+241+183=413+(411-305)=394-40=441+409+851=468-28=383-(365-20)=210×(482-478)=2/4-1/4=898-(259+194)=13+452-438=325-(180+112)=58×5+225=15+(345-211)=68+236-254=746+412=188+116-185=387-221-116=140×(892-886)=435×(144-138)=918-31-341=68×4+290=766-(561-43)=295×7=595+(793-411)=494-198-115=31×6+516=941+186+734=555-540+77=453-29×7=234×(445-437)=91×(447-440)=81+746-784=966-141-633=476-17-214=543-151-50=940-(214+43)=52×8+549=455-(803-634)=824-63+815=953-55×6=513-11×2=887-(269+590)=368-358=659×9=677+(446-363)=893-304-219=100×(887-884)=71×7=500-340-36=310×3-299=917+16×7=433-163-168=2/5-1/5=450-(14+213)=506×5-957=375-171×2=355+434-183=666-(802-210)=684+602+917=979-594-220=220+(150-71)=262+234-430=93×8+372=389+278×2=228-23+980=169×2-87=664-65×5=272+72-292=113×(297-289)=919+(190-17)=945×(914-906)=188-119+265=736-267+551=231+183×3=298-98-161=5/10-1/10=590+987-57=334-18+124=156+171+645=204×2=704-512+285=717-175+462=628+60+208=693-(878-452)=814-72×8=181×3=347+(231-67)=296-(498-488)=115+975+328=193+265=425-105-78=282-(937-689)=109×(682-674)=1/4+2/4=243-219+182=2/7+4/7=271×3=411+232=717-(519-208)=296+(246-80)=97+108-152=548×(680-675)=760×5=288+691=552-54+50=7/10-1/10=44×8+126=255+10-168=63×3+131=454+164×5=271-(10+168)=780-60×5=203×(495-492)=359-102×3=475-246+250=919-55=868-18×6=497-(239+93)=176+138-41=825-(681-528)=345+713+906=836+759=344-(485-149)=304-(370-265)=234-210=301-146-61=231×2-390=20×5=542-388+511=600-(212+20)=433-(190+77)=27×4=468+(443-265)=896-161×5=434-131-65=339+(410-340)=997-(375+310)=130+236=228-(121+61)=284-50×4=992-(117+215)=433-(86-31)=971-164+468=227×2+96=113+149-126=653×5=708-574=237×2=365+306=341-253=36+208×2=353×2=418-(43+12)=494×3=374-61-177=926-(449+41)=454-235-126=414-(403-253)=628-188+833=266+354+341=151+177-129=169-112=985-781-177=566+756-460=482-161+27=695+360-692=986+747+963=556-345+526=895-330=2/6-1/6=313+293+241=441-(134+223)=425×4=901-812+901=513+(293-231)=401+(415-213)=102+(174-10)=215-153+272=71+(438-427)=952+35+280=113×(345-340)=967×8=853-(310+450)=65×(34-30)=342+417=723-81=210+197-246=808+16+17=998-12×7=285-(132+73)=382-16-340=395-44×4=58+340=261×2=78-59+124=760-(378+253)=446+(999-73)=102×7-585=477-(250+65)=783-125-347=28×(343-338)=207-(118-42)=370-(372-314)=27×(83-75)=622-136×2=990+(423-320)=599+324-858=231×4=467+112+416=903-(933-787)=60-(72-22)=490×2-521=352-75-105=427-248-164=443+409=445-359+12=400-(62-22)=187×5-843=178+(277-237)=349+48-236=498-(217+143)=434-183-178=96-23=20×7=425-(44+167)=179×(355-350)=736-227=188+195-96=445+673-478=787-368+746=928-103-730=441×2-537=455+(438-154)=483-(407-203)=935-(306+218)=116-(387-331)=468×2=464-(174+276)=74+65=427+652-609=552×3-223=889+(291-38)=108-20×3=937-19×4=719×(608-602)=758+66×8=455-391=292+92-136=973-537=860×6=487-164-108=368+212+124=260-190+369=227-165=689×6=418-337+38=890+28×6=742-236-500=107+195=152×4=426-265-156=217+45-128=104×3=718-82×2=245×2=250+221-462=958-907=519-(195+176)=720+(786-720)=427-55=499-89×4=512+465=675-641=313-140=914+656=239+78+421=516+242=656×4-110=244+549+458=357-62×5=16×7=292-(107+81)=142×(454-446)=707-297=500-(239+183)=67+123=923-39×9=794+380+686=345-90×2=268+181=121+218-84=148×(202-199)=375+92-208=940×(880-875)=103×7-333=10×6+324=388-(228-37)=410+100+101=308+63+99=242-16×3=225+773=916-161×4=989-92×7=828-628+249=333+572+313=94×3=50×(181-174)=483-(33+144)=256×(373-370)=303-58×3=90-(399-334)=117+500=675+946-252=653+(317-154)=544+(844-836)=972×8=123+155=629×5=56+369×2=964+189-124=290+146+244=277×2=69-49=938-(398+467)=78×(70-62)=348+91×3=326×3=399-(24+355)=102×7+811=268+226×2=283+807-465=261-(304-202)=243×4+96=82+400=130×(475-469)=103×7-57=456+429-694=15+341+346=383-264+71=642+824=3/5-1/5=265-(217+27)=224+69×2=855-587-26=203-110+360=27×(924-918)=140+12-132=32×8=267-(345-323)=35+280-140=89+953+943=408×3-232=195-(189-168)=52+58=329-158-121=830-380+934=671+(577-571)=243-35×3=111+11×3=958-(23+569)=888×3-68=379-(167+168)=254+200=789+(672-137)=282-28=567+125×4=551-408=800×5-626=43×6+293=489-(244-52)=825-373+653=225×(226-222)=751×(847-839)=356×2=390×8-117=239-74=566+844-183=451+(395-133)=329-(295-22)=964+121×7=176+195-351=479-(86+246)=892+912-429=110+316=183+234=69×9+428=148-38+30=997-180×3=24×(372-363)=852-(58+361)=478+59+398=222+(732-431)=111+549=439-207=249×7-496=125+925+713=286-40-164=參考答案668-14+383=1037335-(897-872)=310314-(443-316)=187103-10×4=63456-85=371791×(876-873)=2373673+(623-370)=926321+134=45572+(336-273)=13589×8-509=203378-178-86=114663-10-497=156217×9=1953671-(90+562)=19379-(503-384)=260915-98+840=1657712-627=85878×2=1756734-426-213=95427×6=2562219-118=101258+221-145=33473-61+373=385319+14×2=347969-104+453=1318202×2+663=10671/5+2/5=3/5736-20-228=488486-276+270=480312-217=95202+876+752=1830462-(51+224)=18739×8-88=224854×(861-857)=3416438-123×3=69202+(483-245)=440569-295-189=85159-98+112=17399×7-15=678892-(75+362)=455339-86=25323×6+854=992312×4=1248893+527-480=940162+231+566=9593/4-1/4=2/4327-(389-123)=61733×9-815=5782364-70×4=84871-372×2=127197-66×2=6578×(188-183)=39039+100=139804×6-123=4701966×4=386463+393-199=25710×7-50=20152+233-297=8875×9=675462-44×9=6631×9=279299+794=1093909-(598-10)=321254×2+305=813951-578-274=9969+56×3=23796+(918-67)=94716+(209-108)=11760×7-405=15417-50×3=267454-341+45=158139+345=484216×(229-225)=86428×4=112461-203=258709-533-36=140579-367+445=65738+84×7=626455-220=235386-109=277929-10×8=849578×(883-876)=4046826-214×3=184430×(664-656)=3440692+(306-26)=972529+157+748=1434279+(882-135)=1026109×8-746=126497-169+25=353224+12×6=296255+141-255=141739×8=5912751-417+761=1095161×7-189=938947+232×4=1875772-567-64=141329+326+713=1368137-50=87456-218×2=20117+380=497382×(336-332)=152851×5=255224×4=896278-24×8=86903×9-689=7438426-(450-131)=10757×(255-247)=456306×(928-923)=1530439-97-130=212305-85-166=5449+(995-690)=354323-(85+195)=43581+(953-841)=69385+60=145335×2=670618+942-817=743746-(463-259)=542336+84+192=61294+185=279148×3+384=828472+326=798763-747+425=441132×4=528722-(837-115)=0510+792-383=919480-65-316=99872+245-397=720216+65+277=558610-(430+146)=34246-(252-193)=187666+155=821277+(607-374)=510111×(753-745)=888431×5-806=1349392-(422-330)=300365+(490-434)=421264-230=34361×(563-557)=21665/8-1/8=4/8280×8-841=1399473-375=98403+66×8=931589-308+885=116641+264+460=765444+(943-139)=1248414-28-266=120204+736-71=86948×8+447=831137+164=30112×2+216=240206-(458-400)=148275+974-495=754479×6-507=2367441-72=369480-(13+428)=39307-19×4=231869-649=220357-(80+122)=1554/6-2/6=2/6115×(154-146)=920479-324=155990-(686-258)=56294×5-283=187388-222=166215×(730-727)=645283-(128+48)=107383+627+907=1917855-(247+560)=48561×(489-485)=2244987-(153+693)=141783-416+35=402571+90+337=998320+(432-343)=409950-823-125=2336×(476-473)=1008423+158+387=9683/7+2/7=5/7767-383+29=413347-25×4=247379+(619-197)=801156×4-441=183221+758=979437-18×3=38332+427+203=662219-40×2=139282+183=465158+444+93=695368-351=17479-122-267=90527-123=404155-150+392=397102×(173-170)=306185×5=925372-149=223318+275+138=731739×9-329=6322975-554-28=393107×(88-82)=642183×4-198=53495×7-480=185932-293-212=42749+109×4=485925+540+548=20131/5+3/5=4/581×(231-226)=405470+146×4=1054899-(392-350)=857137×4-26=522259+125=384635+276-501=410669-(457+211)=1310-155+101=256387-(411-159)=135713-11×4=669267+51+628=9463/8+4/8=7/8859-643-151=65581-192×2=197340+79=419682×5-406=3004334+48×5=57458+281=339216×(359-355)=864134+149-21=262287+(413-86)=614241-142+197=296500-85-176=239823×(708-703)=4115870×4-78=3402417-72=345578-(211-83)=450260+(314-85)=48932×4-91=37296+186-49=433117+261=378494+363=857537-(296-273)=514412-(248-92)=256150×2-130=170609-191=418162+207=3691/7+3/7=4/7450-(83+78)=289987+902+839=2728172×(324-321)=516240-(352-347)=235942+715+60=1717126+(390-218)=29812+290+635=937839-230-521=88165+(315-209)=271910+(133-37)=1006241-208+219=2522/8+4/8=6/8275+140=415552×(665-656)=496839×7-115=158980-623=357459+(309-84)=684474-372=102874+170-73=971424×2-318=530142×6-35=817340×(364-359)=1700234+354×2=942324×3=972520-44×2=432393+64×2=521382-(460-283)=205357-196+78=239478-72=406529-(700-510)=339535×8-303=3977715-(202+345)=168323+(476-19)=780129×3=3874/6-1/6=3/6802×8-917=5499446-41-104=301388-381+374=381206+(415-339)=282317-22×4=229232×(790-781)=2088237-(456-223)=4226×2=452376+412=788292-46=246380-43×8=36247+489=736238+176=414299-215=84296-(47+162)=87460+591+551=1602356-74×4=60185+511+63=759380-12×9=272851+202-248=805791-197×3=200692-436+199=455672-253=419419-29×4=303828-(275+407)=146486-450=36197×5-978=791+548+177=816164×(245-240)=820529+557+487=1573479-276+45=24864×6+50=434391-(467-414)=338566-124-381=61975-(385+96)=494842-(773-150)=219468-(157+238)=73292+204=496854-(155+332)=367219+194=413759-(160+489)=110440-49-350=41800×7-206=539482×6-142=3505/8+2/8=7/895×6=570303×3=909178+252+189=619692-283-368=41703+744+25=147246×8+140=508895-(628+232)=35797+152=949105×(338-330)=840153+659+292=1104271-14-186=71836×8=6688852+651-552=951407+329+911=1647361-17×4=293114×4-228=228318-(73+35)=210174×4-634=62100×5-186=314824+659=1483784-361×2=62385+398=783202×2-153=25145+257=302781-666=115121×4=484272-(187-42)=127484+(448-11)=921188-60×2=68440+353+480=1273604-111×5=49937-61-611=265491-279=21263×(356-351)=315806×4=3224196-(65+22)=109723-91-36=596386-30×4=266145+307-257=195607×7-222=4027318-83+59=294720-245+332=807132+(479-429)=182342-304=38501×5-648=1857282+238×3=996706-(745-286)=247990-350+344=984336+675+856=1867405-154-205=464/7+3/7=118×6+119=227954+(264-163)=1055942+313-459=79640×9+262=6225/8-2/8=3/8881×2=1762539-(316+35)=188132+885-478=539487-(185+294)=8643-113-111=419161-(409-344)=96556-(873-496)=179546+13+306=865173×5+800=1665181+315-94=402489+66×5=81960+(633-231)=4624/10-1/10=3/10129×6-112=66299+185=28480×9+894=161494×9-444=402587×(710-701)=5283815-(824-25)=16563-19=544102+146=248456×8=3648282-194+47=135530-75×3=305478-434=44115-(137-136)=114315-22×5=205980+55×6=1310800-(820-245)=22525×6+509=659982-(628-501)=85569×(142-134)=55273×2=146295-(59+216)=20134+279-207=20694×(404-397)=658152+410+939=1501605×6=3630131+173-230=74358-245+224=337425-25×6=27562×5+159=4697/10+3/10=1211+(326-205)=332128-62+393=459308-163=145175+(694-211)=658245+143+72=4603/6+2/6=5/6884-(498-89)=475230-159+248=319122+121-175=6853×4+138=350101×8=808916+(715-538)=1093853+56+88=997168×4-515=157395-(192-129)=332896×(748-740)=7168480+(228-10)=69845×7-155=16014+(193-125)=82151+188=339338+(854-848)=344362-(82+23)=25752+170=222572+62+80=714947+434-466=915796+74×7=1314835-87-688=60497+217=714728+49×2=826881-466-112=303287-31×5=132496-18-109=369125+738-387=476803-522=281342-137+95=300372-139=23376×9+639=1323794×4-983=219320×(150-147)=60102×2+143=347726+(914-858)=782591+16+357=964211×4=844330+(668-143)=855131×6-47=739385-264+157=278453+241+183=877413+(411-305)=519394-40=354441+409+851=1701468-28=440383-(365-20)=38210×(482-478)=8402/4-1/4=1/4898-(259+194)=44513+452-438=27325-(180+112)=3358×5+225=51515+(345-211)=14968+236-254=50746+412=1158188+116-185=119387-221-116=50140×(892-886)=840435×(144-138)=2610918-31-341=54668×4+290=562766-(561-43)=248295×7=2065595+(793-411)=977494-198-115=18131×6+516=702941+186+734=1861555-540+77=92453-29×7=250234×(445-437)=187291×(447-440)=63781+746-784=43966-141-633=192476-17-214=245543-151-50=342940-(214+43)=68352×8+549=965455-(803-634)=286824-63+815=1576953-55×6=623513-11×2=491887-(269+590)=28368-358=10659×9=5931677+(446-363)=760893-304-219=370100×(887-884)=30071×7=497500-340-36=124310×3-299=631917+16×7=1029433-163-168=1022/5-1/5=1/5450-(14+213)=223506×5-957=1573375-171×2=33355+434-183=606666-(802-210)=74684+602+917=2203979-594-220=165220+(150-71)=299262+234-430=6693×8+372=1116389+278×2=945228-23+980=1185169×2-87=251664-65×5=339272+72-292=52113×(297-289)=904919+(190-17)=1092945×(914-906)=7560188-119+265=334736-267+551=1020231+183×3=780298-98-161=395/10-1/10=4/10590+987-57=1520334-18+124=440156+171+645=972204×2=408704-512+285=477717-175+462=1004628+60+208=896693-(878-452)=267814-72×8=238181×3=543347+(231-67)=511296-(498-488)=286115+975+328=1418193+265=458425-105-78=242282-(937-689)=34109×(682-674)=8721/4+2/4=3/4243-219+182=2062/7+4/7=6/7271×3=813411+232=643717-(519-208)=406296+(246-80)=46297+108-152=53548×(680-675)=2740760×5=3800288+691=979552-54+50=5487/10-1/10=6/1044×8+126=478255+10-168=9763×3+131=320454+164×5=1274271-(10+168)=93780-60×5=480203×(495-492)=609359-102×3=53475-246+250=479919-55=864868-18×6=760497-(239+93)=165176+138-41=273825-(681-528)=672345+713+906=1964836+759=1595344-(485-149)=8304-(370-265)=199234-210=24301-146-61=94231×2-390=7220×5=100542-388+511=665600-(212+20)=368433-(190+77)=16627×4=108468+(443-265)=646896-161×5=91434-131-65=238339+(410-340)=409997-(375+310)=312130+236=366228-(121+61)=46284-50×4=84992-(117+215)=660433-(86-31)=378971-164+468=1275227×2+96=550113+149-126=136653×5=3265708-574=134237×2=474365+306=671341-253=8836+208×2=452353×2=706418-(43+12)=363494×3=1482374-61-177=136926-(449+41)=436454-235-126=93414-(403-253)=264628-188+833=1273266+354+341=961151+177-129=199169-112=57985-781-177=27566+756-460=862482-161+27=348695+360-692=363986+747+963=2696556-345+526=737895-330=5652/6-1/6=1/6313+293+241=847441-(134+223)=84425×4=1700901-812+901=990513+(293-231)=575401+(415-213)=603102+(174-10)=266215-153+272=33471+(438-427)=82952+35+280=1267113×(345-340)=565967×8=7736853-(310+450)=9365×(34-30)=260342+417=759723-81=642210+197-246=161808+16+17=841998-12×7=914285-(132+73)=80382-16-340=26395-44×4=21958+340=398261×2=52278-59+124=143760-(378+253)=129446+(999-73)=1372102×7-585=129477-(250+65)=162783-125-347=31128×(343-338)=140207-(118-42)=131370-(372-314)=31227×(83-75)=216622-136×2=350990+(423-320)=1093599+324-858=65231×4=924467+112+416=995903-(933-787)=75760-(72-22)=10490×2-521=459352-75-105=172427-248-164=15443+409=852445-359+12=98400-(62-22)=360187×5-843=92178+(277-237)=218349+48-236=161498-(217+143)=138434-183-178=7396-23=7320×7=140425-(44+167)=214179×(355-350)=895736-227=509188+195-96=287445+673-478=640787-368+746=1165928-103-730=95441×2-537=345455+(438-154)=739483-(407-203)=279935-(306+218)=411116-(387-331)=60468×2=936464-(174+276)=1474+65=139427+652-609=470552×3