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862+(820-635)=557×8=4/6-1/6=126×4=244+231=455-448+201=209+(649-14)=155+463=860-(322+52)=499-163+117=589-260+253=192+267=370+264+15=269+114×2=378-116-124=748×2-905=17×6=397-118=716+214×3=172+174×4=828-30×4=306+54×7=364-38-114=424-(135+53)=562-(492-313)=159×6+83=799+(438-56)=1/8+4/8=970-667+518=199×3=209+38+44=396×5-253=971-(127+773)=457-(451-304)=704-14×5=118+225=263×(338-334)=273×3-697=409-337+19=270+747+529=73+(365-82)=178×4-166=84+59×2=752+(829-164)=2/8+4/8=380-72×2=258+560+603=5/8+2/8=478-(361-67)=434×(36-31)=700-635=771-57×6=618-434+693=483+(952-355)=787-253+482=777×9=213+327=400-207-149=97×9-305=119+123+241=70×(420-415)=938+363+858=32×4+544=64×(397-391)=771-(879-250)=113+256+583=999-(645-343)=810-225=388+588-161=844×(261-254)=852-(278+571)=50+(351-294)=188-59-93=805-17=429-113=132×7=721×(471-468)=256×9=570+686+505=772+152×6=708-390=983+551-769=5/8-2/8=351×2+78=50-21+312=51×9-455=503-(363-200)=711-44×9=639-435-123=185+246-69=573-(855-526)=560×(786-783)=74+57=81+621+227=224+290+42=661-(898-857)=444-(185+86)=226-23×2=872-125-316=884×7-242=86+407=506×3-482=288-28×2=235+170=928-480+256=421-268-16=359+125-88=215+521=522-53×2=159+324-117=197×4=45×4=297-116-10=994-27=268×3=673-333+678=738-(371-294)=160+385+167=314×3=126+780+250=261-14×2=798-(269+173)=552+(613-28)=189+(300-100)=558×3=44×(429-424)=282+673-818=282-68+600=246-98+304=3/6+2/6=475-(286+148)=261+174+75=324-167=29×2+242=468×2-523=914-711+439=104-46+396=440-(273-211)=142+342-229=113+(265-241)=932-468+67=170+120=92+804+14=170+320=475-(464-286)=4/7-1/7=294-26×6=82×4+327=897+386-673=3/10+6/10=419×4-698=830+177+413=1/5+2/5=245×3-299=205×3-596=263×2=482-(29+246)=235-134+268=435-187+450=261+108=859-67-115=450-90-260=796-(70+452)=214-90=715×(242-235)=693×(142-138)=469-171-249=54×8=5/10-4/10=13+(165-76)=87+168×2=915+(821-794)=454-169-13=484-477+339=732-409=72+21×9=97×5-407=362×(540-535)=123×(284-279)=282+487+192=290×2=3/7-2/7=835+499-641=464-137=368-18×3=235×2+264=956-(615-182)=892×2-104=194+187-369=862-226-240=917-169-629=512+798+178=972-81×8=905+530=506+229=470-37×4=928-(55+587)=317-(16+294)=728-(16+602)=976×(600-594)=444×2+682=201+325+295=15×6+643=375-(200+122)=989-800+564=1/8+6/8=37+(137-92)=815-44×8=371-346+138=311-(738-490)=639×(785-776)=480-315-91=184+(422-85)=207+(199-58)=431+37×9=64+127×7=732-(837-328)=349+75-318=815×(812-808)=3/8+4/8=460-257-107=197-120=775+445-703=454×(745-741)=413-18-390=475+18-240=278+(374-275)=400-(52+97)=411+78-89=465-77×2=475-146-328=879-92×6=34×7=953-(66+347)=283-112+641=601-63×3=466-269-176=450-416=46×8+376=340-64-71=916-310-430=428+39×3=720-615+242=104+218=254×3-432=452+141=820×7=189×2+305=323-13-272=653×4-655=478-(160+51)=155+129=26+(248-186)=438-47=218-(219-195)=370-34×7=518+(594-310)=354-(771-581)=444-(452-50)=22×6=311-206=242-100=154+257×3=23+123=395-(118+66)=970-74-157=727-89×6=321+85+557=990-(43+870)=28×(144-140)=59+334+39=485-104=145+307-278=7/10-1/10=475-467+153=696+111×5=649+822=317+174+421=933-(499+53)=442-108=165-25×2=931-(174+532)=311+253×3=586+184=838+924-214=158×(390-384)=55×(91-85)=110×6-295=430-(848-821)=137×7=5/7-1/7=359+131=258+(138-126)=495-(177+251)=35×6=131×(42-36)=827-620-194=140-(107-57)=380-39-21=382-(185-86)=692-48=694×(592-584)=146×4+224=755-(276+122)=710-(130+333)=464-180=519-505=833-722=135×4+190=404-(117-19)=117×(54-50)=69+213+382=418-250+133=388×3-618=567+947-357=324+381-439=500×8-924=622-178-352=149+315+190=252+650+214=848-120×2=504+366+90=522-(802-440)=4/8-2/8=775+148+205=335-(599-364)=458-(256-68)=48×4=378+(147-31)=327×3=958+711=278-88×3=289-(11+196)=456-139×3=101×7=143+31×5=398+797=727×2-505=24+430-197=225+(313-221)=843+525-33=77+928-564=795-78×5=660-(719-157)=677-141×2=212-(118-77)=494×6=217+209-223=949-634+673=631-458=683×(643-640)=248+203=650×6=320-39-249=365-21×3=860×6=971×(490-483)=463-65-125=189+880-114=261-(460-343)=247-146+398=696-(353-48)=547+723=62×9-174=346-184+47=784-750+188=33×(157-150)=131×4=613+97+973=476-149-90=499-(362+105)=145+108=268+941-773=241×2+76=559-120+976=477-119=843×8=342-(61+29)=288+398=859-(129+255)=411+275+287=276×8=976-655+458=761×4-808=553-54-350=842-18×3=611-42×8=837-45×2=94+(373-206)=205+144=138+735+280=322×3=93+105-139=799-227=318×3-820=236+25-59=629×(354-348)=501×7-246=254×(577-574)=95-(833-797)=268-40×2=101+(873-166)=888×8-712=277+(349-30)=461-407+303=449-(72+277)=359+683-470=473-263-203=666-33×5=154×4+255=133×(20-14)=265-10×3=1/4+2/4=828-(626-478)=116+190-78=432+812+694=199+257=202+423+96=81×4=372×(559-553)=259-(744-729)=31+310-58=96+210=530-(91+308)=1/10+9/10=422-316=344+(473-398)=900-763+892=449-(167+41)=123×6=692-(880-332)=730+234-777=98×7-38=310-(369-179)=451-75+40=417+321=286+(294-218)=120+331=253+341-540=756-(22+43)=347-(262-148)=158×4+654=387-232+123=435+343=519+561-891=161+70-229=501×4-75=233+237-352=205×(493-490)=65+(146-73)=627×6-59=831+(912-605)=159×6=16×6=700+(861-781)=269-(308-103)=2/6-1/6=73-(408-377)=664+63+167=730+165+98=323+111=558-52-302=292+(390-183)=296-(148+37)=407-241=43×5+723=78+246=94×8-147=916-600-218=688×8-348=449-(230-222)=233+990-949=302-11×6=205+101-235=297+193=722-124-516=223×3-131=419×7-330=710-688+303=127+27×2=495×3-554=763-617=277-204=984+(898-287)=117×7-123=312-21×7=461+66×4=355+143=350+317=974+225×4=783-(207+169)=626+35+63=929×2=12+(448-389)=497-19×9=566+762+841=225-132+86=404+144-207=491-98-291=294-74=279+54-242=104×(480-477)=605×9=702-89-107=435-(256-207)=840-35-591=196×3+344=2/3-1/3=849×5=315×3-617=454-16×4=128×(929-925)=190×5-691=491-35×7=735-233+61=140×5-436=177×(527-524)=384×2=985+64+635=452-(39+88)=777+(863-377)=446+555-695=810-595-145=302+150-342=413-27=179×4=450×2-742=356-(229+49)=727+373+949=787-734-15=344-(152+168)=321-(66-37)=251-41×4=1/5+3/5=526+245=902-30-261=326+(485-300)=789-207=460-(128+111)=241×(19-15)=313×2-547=664-46×8=587×9-409=239+219=300+390+207=136-(212-76)=167-18×6=481×2-136=793+922=241+(265-210)=485-341-122=436-(396-232)=496-(89+356)=215+53=157-22×5=584-(139+131)=807+(173-19)=227+406+96=340+134+508=520+(834-821)=122×2+459=888-38+276=373-(64+96)=209+607+160=153+564+192=322+103-10=897-(340+409)=243+164=191×3+286=806-530-237=857-(75+680)=467×(877-874)=137+603-444=604×4=445-44-82=144×8=441-243-81=598+144×5=132-57+425=210+128=269×5=402-213=361-(83+69)=570-130-29=10+423-394=444-217+154=403+309=404-65×5=435-107×4=170-(482-433)=3/6-1/6=494-245+237=82+129+109=812+(842-37)=996-25-153=20×8=264×(260-257)=188×5=498-(491-227)=278-115-48=552×(400-395)=136-(225-159)=938+668+190=143+(276-153)=255×2+503=389+374+515=96+204=194+43=285-(49-17)=166×(439-434)=800-219-291=227+181+451=789-571-171=95×(312-306)=447-(237+71)=492-(417-356)=375-156×2=170×3=285+(630-201)=895×3-600=263+(428-148)=306-106-178=327-130-22=147+199×3=860-(642-474)=450+405+657=24+(350-199)=56×4+186=843+21×2=237-133=600+15+283=410-(114+179)=751-154=731-130=735-411+151=313+(499-458)=611-205=332-(662-356)=128×(139-132)=167-35+337=382×2-202=110×(284-277)=23+191-178=603+(326-269)=142+432=154×3+185=357-299=720-156×3=21×(252-246)=815-(550+183)=128×(386-380)=919×6=331×(603-595)=456+(320-109)=236+41=592-402+845=12+451-451=137+360+274=926-18×7=385×2=45×(111-106)=658×9=120+324-440=111×2-199=268+169+251=133-72=657+(735-364)=715-(219+130)=558-460=279-24×4=184-135+328=463-218+94=730-13=499-92=373-237=436-(69+352)=47+284×3=732-13=453+(487-133)=112×4=99×3=254×7-87=382×(771-762)=449-42=293-264+306=93+918-614=264-34×2=42×5=375+115-302=943-(876-783)=288×(395-392)=433-49×5=349-174-115=101×(17-13)=625-591=383-313+298=536×7-398=185×(45-42)=41×(277-273)=693-169-477=823-394-208=339-278+20=266×2=473-20×9=748-31×6=894-830=834+585+199=192+885+871=309×2=366+359+331=636+(452-296)=397-293=62+108=211+(497-245)=380-(38+133)=936-(474-296)=884-(818-622)=360-256+15=95+356-55=500-(53+221)=327-271=193+71=903+(970-535)=718+57×8=172+535+194=388+(433-203)=139×6-12=328-(157-142)=797×(656-649)=916-138×4=102×(817-813)=365-247-88=99-32×2=283-243+45=176×2+24=251-28×7=897-(206-142)=135+(299-139)=413+(430-285)=276+65+140=441×2-103=749+(141-100)=215+(115-101)=129×7+953=751+(733-248)=788+205×4=51×(455-449)=259-182=693-106=230+214-241=210-69=308+155-387=806-196-455=744-83+16=449-41×3=742+816-395=481-429+104=173+604=575-(46+515)=494-181-92=335×5-400=932-(916-14)=255×(21-18)=329-263+405=422×6-694=258×2+321=420-(280+114)=340-230-104=921+445-781=780-490=685-(238-62)=848-239-311=178+172=818×3-502=67×9+244=788-(50+544)=900-392+140=404-(73+264)=714-(347+257)=349+(665-225)=25+(398-273)=2/7+4/7=790+479-974=361-(301-118)=362+46-337=877+108-379=873×8=723+983=275-(126+85)=716×(869-865)=940×5=869×7-322=801-35×4=701×2-410=824-(974-585)=817-(396+297)=718×6=416-(72+320)=519+698+921=51×4-202=768+393-751=93×7+204=283-(349-126)=304-40=169×4-189=206+886+676=996+(822-363)=78×5+167=219×8=467+217=958+491×2=14+828-101=768-(50+425)=2/5-1/5=842+728+944=729×5=84×(288-284)=25×(399-391)=92×9=681-399-218=361-266=183×2+832=327-70×2=399+41×8=366-289=498-400=141+465+193=958-(423-375)=52-13×4=224+145×4=524+(763-498)=57+696+793=825-(498+190)=495-49×4=189×(180-175)=361-33+445=536+614=50+222-255=837-349=330+239=299-75=757+551=854×9-353=404-240+84=604+763=178×3-272=823+237×4=71×9-213=196-(145-47)=499-448+261=207×5-308=763-134+524=71×(218-214)=215×(968-960)=307×3-36=349+56×2=960×8=377-28×5=548+201=291+401-329=125-87+168=178-49=30+76×9=307×2+363=參考答案862+(820-635)=1047557×8=44564/6-1/6=3/6126×4=504244+231=475455-448+201=208209+(649-14)=844155+463=618860-(322+52)=486499-163+117=453589-260+253=582192+267=459370+264+15=649269+114×2=497378-116-124=138748×2-905=59117×6=102397-118=279716+214×3=1358172+174×4=868828-30×4=708306+54×7=684364-38-114=212424-(135+53)=236562-(492-313)=383159×6+83=1037799+(438-56)=11811/8+4/8=5/8970-667+518=821199×3=597209+38+44=291396×5-253=1727971-(127+773)=71457-(451-304)=310704-14×5=634118+225=343263×(338-334)=1052273×3-697=122409-337+19=91270+747+529=154673+(365-82)=356178×4-166=54684+59×2=202752+(829-164)=14172/8+4/8=6/8380-72×2=236258+560+603=14215/8+2/8=7/8478-(361-67)=184434×(36-31)=2170700-635=65771-57×6=429618-434+693=877483+(952-355)=1080787-253+482=1016777×9=6993213+327=540400-207-149=4497×9-305=568119+123+241=48370×(420-415)=350938+363+858=215932×4+544=67264×(397-391)=384771-(879-250)=142113+256+583=952999-(645-343)=697810-225=585388+588-161=815844×(261-254)=5908852-(278+571)=350+(351-294)=107188-59-93=36805-17=788429-113=316132×7=924721×(471-468)=2163256×9=2304570+686+505=1761772+152×6=1684708-390=318983+551-769=7655/8-2/8=3/8351×2+78=78050-21+312=34151×9-455=4503-(363-200)=340711-44×9=315639-435-123=81185+246-69=362573-(855-526)=244560×(786-783)=168074+57=13181+621+227=929224+290+42=556661-(898-857)=620444-(185+86)=173226-23×2=180872-125-316=431884×7-242=594686+407=493506×3-482=1036288-28×2=232235+170=405928-480+256=704421-268-16=137359+125-88=396215+521=736522-53×2=416159+324-117=366197×4=78845×4=180297-116-10=171994-27=967268×3=804673-333+678=1018738-(371-294)=661160+385+167=712314×3=942126+780+250=1156261-14×2=233798-(269+173)=356552+(613-28)=1137189+(300-100)=389558×3=167444×(429-424)=220282+673-818=137282-68+600=814246-98+304=4523/6+2/6=5/6475-(286+148)=41261+174+75=510324-167=15729×2+242=300468×2-523=413914-711+439=642104-46+396=454440-(273-211)=378142+342-229=255113+(265-241)=137932-468+67=531170+120=29092+804+14=910170+320=490475-(464-286)=2974/7-1/7=3/7294-26×6=13882×4+327=655897+386-673=6103/10+6/10=9/10419×4-698=978830+177+413=14201/5+2/5=3/5245×3-299=436205×3-596=19263×2=526482-(29+246)=207235-134+268=369435-187+450=698261+108=369859-67-115=677450-90-260=100796-(70+452)=274214-90=124715×(242-235)=5005693×(142-138)=2772469-171-249=4954×8=4325/10-4/10=1/1013+(165-76)=10287+168×2=423915+(821-794)=942454-169-13=272484-477+339=346732-409=32372+21×9=26197×5-407=78362×(540-535)=1810123×(284-279)=615282+487+192=961290×2=5803/7-2/7=1/7835+499-641=693464-137=327368-18×3=314235×2+264=734956-(615-182)=523892×2-104=1680194+187-369=12862-226-240=396917-169-629=119512+798+178=1488972-81×8=324905+530=1435506+229=735470-37×4=322928-(55+587)=286317-(16+294)=7728-(16+602)=110976×(600-594)=5856444×2+682=1570201+325+295=82115×6+643=733375-(200+122)=53989-800+564=7531/8+6/8=7/837+(137-92)=82815-44×8=463371-346+138=163311-(738-490)=63639×(785-776)=5751480-315-91=74184+(422-85)=521207+(199-58)=348431+37×9=76464+127×7=953732-(837-328)=223349+75-318=106815×(812-808)=32603/8+4/8=7/8460-257-107=96197-120=77775+445-703=517454×(745-741)=1816413-18-390=5475+18-240=253278+(374-275)=377400-(52+97)=251411+78-89=400465-77×2=311475-146-328=1879-92×6=32734×7=238953-(66+347)=540283-112+641=812601-63×3=412466-269-176=21450-416=3446×8+376=744340-64-71=205916-310-430=176428+39×3=545720-615+242=347104+218=322254×3-432=330452+141=593820×7=5740189×2+305=683323-13-272=38653×4-655=1957478-(160+51)=267155+129=28426+(248-186)=88438-47=391218-(219-195)=194370-34×7=132518+(594-310)=802354-(771-581)=164444-(452-50)=4222×6=132311-206=105242-100=142154+257×3=92523+123=146395-(118+66)=211970-74-157=739727-89×6=193321+85+557=963990-(43+870)=7728×(144-140)=11259+334+39=432485-104=381145+307-278=1747/10-1/10=6/10475-467+153=161696+111×5=1251649+822=1471317+174+421=912933-(499+53)=381442-108=334165-25×2=115931-(174+532)=225311+253×3=1070586+184=770838+924-214=1548158×(390-384)=94855×(91-85)=330110×6-295=365430-(848-821)=403137×7=9595/7-1/7=4/7359+131=490258+(138-126)=270495-(177+251)=6735×6=210131×(42-36)=786827-620-194=13140-(107-57)=90380-39-21=320382-(185-86)=283692-48=644694×(592-584)=5552146×4+224=808755-(276+122)=357710-(130+333)=247464-180=284519-505=14833-722=111135×4+190=730404-(117-19)=306117×(54-50)=46869+213+382=664418-250+133=301388×3-618=546567+947-357=1157324+381-439=266500×8-924=3076622-178-352=92149+315+190=654252+650+214=1116848-120×2=608504+366+90=960522-(802-440)=1604/8-2/8=2/8775+148+205=1128335-(599-364)=100458-(256-68)=27048×4=192378+(147-31)=494327×3=981958+711=1669278-88×3=14289-(11+196)=82456-139×3=39101×7=707143+31×5=298398+797=1195727×2-505=94924+430-197=257225+(313-221)=317843+525-33=133577+928-564=441795-78×5=405660-(719-157)=98677-141×2=395212-(118-77)=171494×6=2964217+209-223=203949-634+673=988631-458=173683×(643-640)=2049248+203=451650×6=3900320-39-249=32365-21×3=302860×6=5160971×(490-483)=6797463-65-125=273189+880-114=955261-(460-343)=144247-146+398=499696-(353-48)=391547+723=127062×9-174=384346-184+47=209784-750+188=22233×(157-150)=231131×4=524613+97+973=1683476-149-90=237499-(362+105)=32145+108=253268+941-773=436241×2+76=558559-120+976=1415477-119=358843×8=6744342-(61+29)=252288+398=686859-(129+255)=475411+275+287=973276×8=2208976-655+458=779761×4-808=2236553-54-350=149842-18×3=788611-42×8=275837-45×2=74794+(373-206)=261205+144=349138+735+280=1153322×3=96693+105-139=59799-227=572318×3-820=134236+25-59=202629×(354-348)=3774501×7-246=3261254×(577-574)=76295-(833-797)=59268-40×2=188101+(873-166)=808888×8-712=6392277+(349-30)=596461-407+303=357449-(72+277)=100359+683-470=572473-263-203=7666-33×5=501154×4+255=871133×(20-14)=798265-10×3=2351/4+2/4=3/4828-(626-478)=680116+190-78=228432+812+694=1938199+257=456202+423+96=72181×4=324372×(559-553)=2232259-(744-729)=24431+310-58=28396+210=306530-(91+308)=1311/10+9/10=1422-316=106344+(473-398)=419900-763+892=1029449-(167+41)=241123×6=738692-(880-332)=144730+234-777=18798×7-38=648310-(369-179)=120451-75+40=416417+321=738286+(294-218)=362120+331=451253+341-540=54756-(22+43)=691347-(262-148)=233158×4+654=1286387-232+123=278435+343=778519+561-891=189161+70-229=2501×4-75=1929233+237-352=118205×(493-490)=61565+(146-73)=138627×6-59=3703831+(912-605)=1138159×6=95416×6=96700+(861-781)=780269-(308-103)=642/6-1/6=1/673-(408-377)=42664+63+167=894730+165+98=993323+111=434558-52-302=204292+(390-183)=499296-(148+37)=111407-241=16643×5+723=93878+246=32494×8-147=605916-600-218=98688×8-348=5156449-(230-222)=441233+990-949=274302-11×6=236205+101-235=71297+193=490722-124-516=82223×3-131=538419×7-330=2603710-688+303=325127+27×2=181495×3-554=931763-617=146277-204=73984+(898-287)=1595117×7-123=696312-21×7=165461+66×4=725355+143=498350+317=667974+225×4=1874783-(207+169)=407626+35+63=724929×2=185812+(448-389)=71497-19×9=326566+762+841=2169225-132+86=179404+144-207=341491-98-291=102294-74=220279+54-242=91104×(480-477)=312605×9=5445702-89-107=506435-(256-207)=386840-35-591=214196×3+344=9322/3-1/3=1/3849×5=4245315×3-617=328454-16×4=390128×(929-925)=512190×5-691=259491-35×7=246735-233+61=563140×5-436=264177×(527-524)=531384×2=768985+64+635=1684452-(39+88)=325777+(863-377)=1263446+555-695=306810-595-145=70302+150-342=110413-27=386179×4=716450×2-742=158356-(229+49)=78727+373+949=2049787-734-15=38344-(152+168)=24321-(66-37)=292251-41×4=871/5+3/5=4/5526+245=771902-30-261=611326+(485-300)=511789-207=582460-(128+111)=221241×(19-15)=964313×2-547=79664-46×8=296587×9-409=4874239+219=458300+390+207=897136-(212-76)=0167-18×6=59481×2-136=826793+922=1715241+(265-210)=296485-341-122=22436-(396-232)=272496-(89+356)=51215+53=268157-22×5=47584-(139+131)=314807+(173-19)=961227+406+96=729340+134+508=982520+(834-821)=533122×2+459=703888-38+276=1126373-(64+96)=213209+607+160=976153+564+192=909322+103-10=415897-(340+409)=148243+164=407191×3+286=859806-530-237=39857-(75+680)=102467×(877-874)=1401137+603-444=296604×4=2416445-44-82=319144×8=1152441-243-81=117598+144×5=1318132-57+425=500210+128=338269×5=1345402-213=189361-(83+69)=209570-130-29=41110+423-394=39444-217+154=381403+309=712404-65×5=79435-107×4=7170-(482-433)=1213/6-1/6=2/6494-245+237=48682+129+109=320812+(842-37)=1617996-25-153=81820×8=160264×(260-257)=792188×5=940498-(491-227)=234278-115-48=115552×(400-395)=2760136-(225-159)=70938+668+190=1796143+(276-153)=266255×2+503=1013389+374+515=127896+204=300194+43=237285-(49-17)=253166×(439-434)=830800-219-291=290227+181+451=859789-571-171=4795×(312-306)=570447-(237+71)=139492-(417-356)=431375-156×2=63170×3=510285+(630-201)=714895×3-600=2085263+(428-148)=543306-106-178=22327-130-22=175147+199×3=744860-(642-474)=692450+405+657=151224+(350-199)=17556×4+186=410843+21×2=885237-133=104600+15+283=898410-(114+179)=117751-154=597731-130=601735-411+151=475313+(499-458)=354611-205=406332-(662-356)=26128×(139-132)=896167-35+337=469382×2-202=562110×(284-277)=77023+191-178=36603+(326-269)=660142+432=574154×3+185=647357-299=58720-156×3=25221×(252-246)=126815-(550+183)=82128×(386-380)=768919×6=5514331×(603-595)=2648456+(320-109)=667236+41=277592-402+845=103512+451-451=12137+360+274=771926-18×7=800385×2=77045×(111-106)=225658×9=5922120+324-440=4111×2-199=23268+169+251=688133-72=61657+(735-364)=1028715-(219+130)=366558-460=98279-24×4=183184-135+328=377463-218+94=339730-13=717499-92=407373-237=136436-(69+352)=1547+284×3=899732-13=719453+(487-133)=807112×4=44899×3=297254×7-87=1691382×(771-762)=3438449-42=407293-264+306=33593+918-614=397264-34×2=19642×5=210375+115-302=188943-(876-783)=850288×(395-392)=864433-49×5=188349-174-115=60101×(17-13)=404625-591=34383-313+298=368536×7-398=3354185×(45-42)=55541×(277-273)=164693-169-477=47823-394-208=221339-278+20=81266×2=532473-20×9=293748-31×6=562894-830=64834+585+199=1618192+885+871=1948309×2=618366+359+331=1056636+(452-296)=79239