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111+200-270=35×2+230=219+103=881+(864-553)=902-(66+450)=663+259+10=764-366=497-17×9=470-181=4/7-2/7=573×4-194=420-128-182=58+131×3=420+18-137=302-125×2=218-56+81=402-(265+93)=147×5+239=408-90×4=228-18+761=19+150×5=285×7=187+175=683+501-254=296×9=106×9+853=265+691=153×3+524=810-752=352-40×3=66+111=273+815+507=383+312+87=583+958-459=152×(458-453)=61-28=883+949-396=195+240-114=936-15×4=191×(445-437)=206+(378-244)=926+718-179=962-(649-630)=868×(814-806)=325×3-480=32+137×6=169+97+320=50×(247-238)=96×6-45=303-291=396-(185+71)=415-389+196=384×2-553=726+610+823=364-(264-87)=787+558-559=273×2+131=972-(980-584)=420-(275+83)=774-756=670-249-15=610-(722-144)=850+297×3=185+205-374=248-189+52=171-(323-295)=813-320-434=693×7-22=415-(141+151)=1/7+5/7=553+(295-271)=360+196+171=874×(371-364)=3/6+2/6=909×8-680=339-261=450-(67+72)=29×(234-227)=464-(286-239)=811-(111+688)=231-14+861=669-39-46=668-344=220+233-215=384+162+356=719+40+32=636×(910-902)=303-25×4=41×4=147×5-161=599-25=57×3=62×2=225×(162-159)=97×6+723=218×2-276=456-(34+134)=736×(389-381)=315+87-68=767+(761-364)=862-463+668=440-20-167=231-(75+44)=173+(752-709)=507+265+222=219+535=362×2=139+127×4=180×5-117=143+318=809+279+808=940-(526-254)=12-(240-230)=647×7-550=376+(889-654)=849-238-186=296-227-53=410-15×4=194-(554-376)=559-(167+109)=349+999-856=246×(767-762)=309+75×7=336-(238+94)=835×3=232+(917-340)=444-(125+256)=304-144+67=473-41×9=431×8=978+973-315=379-(399-32)=436-148-143=88×5=333-(488-276)=500-166=480-(326+152)=220-(248-225)=888-885+28=409-263+89=969+696-96=100+262=972×7=189-(334-281)=448-(687-313)=6/10+4/10=939×(528-522)=306+(346-315)=386-56×2=49+230+37=793-378×2=308×2-30=171+577=159×(668-664)=238+426+319=845×(133-130)=200+(294-145)=247-(39+175)=894+373+196=351-(349-216)=372-(79+222)=965+(898-329)=109+882-276=1/3+2/3=720-127=95×(444-439)=123+124=495-290=130×(185-182)=780-(162+222)=266×2-295=3/5-1/5=480-68=418-139-118=955-48-861=594+114×4=327-110+39=83×5+350=481-(470-150)=24×9+834=912-521-171=315+74=152×3+551=3/7-1/7=269×3=962+(556-260)=964+12×3=394-(130+81)=600×(832-828)=42+234-161=130+143=476-78×4=120×(483-475)=19+338×2=285-277+123=806-397-187=718+395+764=6/8+2/8=738-456+422=800-436-158=34×5=246-32×2=262+52=516-18×4=161×2+221=471+359×2=251×8-84=177×3=262+(296-58)=38×3+750=966+906-550=368+(385-57)=875-96×9=127+273=110×5+820=479×4-509=492×4-738=458×7-853=495×6-172=624+(841-315)=206×4=672+311+755=270+834+815=25×9+225=27+208-52=303-(262+28)=85+161=898×3-158=436+30+349=368+102+188=545+(513-190)=321-45-193=793+702+850=515+(899-172)=738+583=743-379-355=65+157-20=604×(775-770)=720×3-156=571+190+333=469-144×3=826-162-21=445-71=384+275=540-68×7=5/8-2/8=80×7-460=942-(91+603)=296-49=347+154-496=289×2=366-61×6=263×(481-474)=602×9=129+(431-76)=300+37+140=505+461×2=690×5-265=961-72×6=530×9=458-437+414=210+295=289+(394-360)=176×3+289=994-414-153=6/10-2/10=1/8+3/8=104×(313-309)=453-225-85=126-(691-657)=118+206+354=492-181×2=609-(155+40)=302×3-350=886-(388-130)=311-25+49=72+(943-184)=142+502+126=622-558-43=172+262=777-118+845=1/4+2/4=113+779+662=997-646=946-179-100=786+326-798=145+171×3=308-(393-239)=939-(602+217)=755-(283-190)=540-536+262=283+77=157×4=497-121=560+527-580=80×8-552=112×5+760=115×(465-461)=142×4-410=580+185=79+(425-165)=935-310-125=426-38×4=877-(691-375)=4/7+2/7=971+727+125=28×4+53=104-(212-153)=129-90-15=223+328-200=424-55×3=672-74×9=97×(483-477)=4/8-2/8=157-139+257=161+177+358=367-342=904+824=142+295=154×(180-176)=168×3=504-58×6=676×6=804+221=413×(242-235)=129-(133-106)=355+206+392=544×6-966=3/6-1/6=104×9-178=614-443+677=50×8+299=769-689+259=342-133=193+(190-19)=169+312=934+(796-674)=775+59×3=344+(471-256)=77×(336-330)=6/8-1/8=191+182-29=219+57-39=114+(658-337)=135-15+117=171×7-844=27+504+270=959-41×9=293×3=224+528=511-(969-938)=114+272-233=204+390-520=90×(419-414)=848-(421+170)=176×(318-314)=163+547+210=91-(52-50)=302+132+260=707-80×8=154×2+747=490-442+963=473-293-41=575+(702-184)=43×(443-440)=170-(251-190)=357+157=715-(28+426)=200-183+87=755+(348-58)=194-(239-213)=31×(72-64)=75+22×4=378×6-762=145×(215-209)=105+84×3=394-203-46=73×4+179=72×(111-104)=328-26-32=184-146+41=297+(357-252)=685-183+832=97-35+297=786+(932-879)=273+129=133+327+469=246-(80+14)=492×2=44+(270-258)=27×4=440-112×2=179+211+542=460-276-14=202-13×8=581-46×5=899-(325-119)=497-70×6=566+912-841=227×2+210=343+97×5=630-161+548=564×4-754=97+936+377=830-824+427=430-162×2=3/6-2/6=398+77+464=441+(339-325)=932+125×3=735+(442-331)=706+382-366=180+28+620=211×(195-187)=322-161=818-192-30=206+26+911=595-374+474=206+625=703-683-13=511+(477-421)=846-57×5=401-210=160×(211-206)=446-361=987+(511-436)=360×2-93=371+341=146×6=104+28=137-(450-377)=136+237-104=322+263=328-18×5=1/8+2/8=832×5=450-386=276+422+105=255-66-29=161×6+263=397-99×4=605-436+65=118×7-575=491-402+218=134×6=15×9+706=357-265+241=784-202×3=500×(670-663)=122+309-214=219×(451-448)=64+(312-226)=334-191+182=845-64-282=416-240+219=5/8-1/8=178×8-779=185×4=658-11×6=208+(148-126)=873-(324+144)=657+684=337+85×4=192+(436-48)=306+130=437-134-229=336-25-195=159×3-207=977+937+582=327-19=365-291=890-(725-95)=143+316=177×(596-588)=997-865=327-(32+223)=355+77=658×3=959-812+81=20×8=4/8+3/8=394-49×7=163+671=346+572-664=657-78-470=85+109=937-(140+269)=192-164=899-49-107=367+189×2=60×6=677-101+240=47+(147-100)=398-38-295=965-(22+548)=644×5-503=918+200=926-485=109+484+744=184-44+120=236-34-63=143-78=35×3-35=491-21×9=16+(723-622)=439-325-85=427+41×5=363×6=980×(412-409)=569×(316-313)=129×4+52=33+149=788-(864-315)=245+82-229=397+(472-351)=391-24-14=184-(485-362)=469-16×4=122×7-596=103+48×3=767-538-179=417-320=75-12+199=137+286=978-(256+517)=572-88-408=800-(491+17)=228-(416-362)=342+101=677-60+76=257+281+372=401-(216-177)=464-348+26=306-205=901-(450+26)=325-173=169×4-275=60+18+573=94+148+110=783-194=581+971+912=412×(250-244)=222-211=50×5+584=387-387+406=497-(446-432)=130×(259-256)=167+240-326=106×(349-340)=436-48×3=420+995-796=326×2-16=748-184=727-(364+150)=67+(185-169)=598×8-768=92×9-253=313-205-30=869+(503-31)=317-(121+175)=16×8+433=758-553+368=127×6-395=293×2=734+473×2=345+131=81+338-318=593×8-208=830+528=438+777=313-(27+245)=252+670-327=414-(306+40)=442-299-135=84+495=451-75×3=407+(353-206)=280-280+391=20×6+444=235×(577-570)=755-301×2=328-(48+142)=484-241=417-(103+93)=418-388+369=432-(684-280)=406+18-210=480-(10+35)=848+63×9=461+452+965=88×3-73=6/8-2/8=861-492=118+238=74+247-95=310-(82+183)=218×2=40×(140-137)=283+264×2=557+627+731=128+(498-309)=617-224×2=973-(774-474)=471+(215-122)=643-201=369-69×4=300-29×3=247-47×2=841-663+606=132×3-326=564-304=757-83×3=300+35×4=429×2=229+(282-18)=368+(473-338)=598+499+149=464-163=343×8=43+451-228=843×(824-817)=386-43=499-(12+416)=179-87+382=256×2=500-(427-366)=907-120×7=161-65+333=192×3=851-17=998-(137+216)=966×2=619-(810-715)=631-45=112-54=739-401-35=659×3=397×9-42=887-598=24×6=747×8-812=206-(369-365)=901+586+832=195+116=364-328+457=161×3-41=72×(312-309)=445+64×6=401-20×8=282+62+361=270+504=473×2-355=53×(361-358)=344-61×3=50+236+523=232-203=180×3-49=374-(129+87)=40+57-46=73+87-20=492-(332+38)=220-(901-759)=874-421×2=350-(336-165)=313-35=698-240-315=218×8=190+190=122-(14+86)=997-(561+409)=723-449+87=982-(101+189)=448-(432-83)=310-196+292=398-351+252=676-161×3=220×(492-489)=477-(316+32)=327-281=932+(636-489)=657+303-389=236×3+402=480+127+603=779×9=685+(613-301)=605-(748-199)=852+111-955=242+125×2=22×7=116+225+89=365×5-312=128-11×8=495+293=417-(444-391)=783×9=182-155+408=65-(24+13)=845-(27+816)=795+677-527=399×2=152×(478-474)=168-10×3=257-197=475+(210-72)=744×(238-233)=465-(186-119)=28×4=581+400+221=208+658+126=221×4=189-187+57=110×9-952=926×(905-896)=174+158×5=232+132-322=55+314-96=954-625+73=813-(308-173)=904-(582-497)=432+(498-406)=822×7=373-54-17=87+112=80×9=290×2+275=421-305-29=493+(407-251)=837-477=372-(251+28)=63×7=207×2=369×8=529×9-139=439-21-406=164+246-290=889+(855-635)=115+142-114=414×(832-823)=18+109×4=216+175=939-658-71=305-(73+225)=135+190+576=413-(46+291)=162+(396-322)=321-(254-53)=517×(738-731)=1/6+2/6=910-(270+342)=305+42-133=46×3-98=921-298+71=906+102-268=312-32×4=531-(703-314)=316×3-333=335+102=37×8=98×(467-461)=766+923-469=746×(306-299)=575×(228-224)=984-232-203=439+(703-100)=415×2=378-100×3=609-410=91+384=757+766-916=479-154×2=32+437-325=866×(800-794)=230×4=861+596-106=306-(200-178)=506+140=157×3-431=354+281+86=21+84×3=243-235+101=447-101-185=825-261=273×(500-497)=399-(307+26)=931-569=924+(973-296)=311-56-42=784+18+165=730-(80+283)=743-(237+410)=132-(452-326)=394-34×9=266×8=667-(650-485)=719-169×3=60×2+204=208-29=997-(730-172)=35+125=216+(490-141)=184-39=497-72-179=488×8-267=317×3+156=570-89+539=579-26=487+204+611=376-(425-90)=115+210+241=500-247-204=273+172+512=244+218=452×(107-101)=827+70+74=399-158-96=452-(15+155)=558×5=179+253-254=56×(13-10)=65×(161-157)=363-(343-126)=347-(567-340)=467-220-160=982-(15+610)=3/9-2/9=88+385-311=843-(922-392)=382-139+66=965-877+62=264-68×2=800-542=797-361-346=360+991-446=866×6-890=409-(146+259)=998-(158+249)=926-768-133=189×5-525=979+(155-64)=473-323-133=268-215=308×2=160-(345-311)=2/8+5/8=286+62=545+163=229×2-185=88×6-143=437×3=446+(423-249)=739-199×2=415-43+70=193+69=777-(922-732)=107×7=957+458-61=919-192-222=475-38-165=428-286=451-422=61+(703-641)=34+106-103=99+(494-219)=60-29+269=參考答案111+200-270=4135×2+230=300219+103=322881+(864-553)=1192902-(66+450)=386663+259+10=932764-366=398497-17×9=344470-181=2894/7-2/7=2/7573×4-194=2098420-128-182=11058+131×3=451420+18-137=301302-125×2=52218-56+81=243402-(265+93)=44147×5+239=974408-90×4=48228-18+761=97119+150×5=769285×7=1995187+175=362683+501-254=930296×9=2664106×9+853=1807265+691=956153×3+524=983810-752=58352-40×3=23266+111=177273+815+507=1595383+312+87=782583+958-459=1082152×(458-453)=76061-28=33883+949-396=1436195+240-114=321936-15×4=876191×(445-437)=1528206+(378-244)=340926+718-179=1465962-(649-630)=943868×(814-806)=6944325×3-480=49532+137×6=854169+97+320=58650×(247-238)=45096×6-45=531303-291=12396-(185+71)=140415-389+196=222384×2-553=215726+610+823=2159364-(264-87)=187787+558-559=786273×2+131=677972-(980-584)=576420-(275+83)=62774-756=18670-249-15=406610-(722-144)=32850+297×3=1741185+205-374=16248-189+52=111171-(323-295)=143813-320-434=59693×7-22=4829415-(141+151)=1231/7+5/7=6/7553+(295-271)=577360+196+171=727874×(371-364)=61183/6+2/6=5/6909×8-680=6592339-261=78450-(67+72)=31129×(234-227)=203464-(286-239)=417811-(111+688)=12231-14+861=1078669-39-46=584668-344=324220+233-215=238384+162+356=902719+40+32=791636×(910-902)=5088303-25×4=20341×4=164147×5-161=574599-25=57457×3=17162×2=124225×(162-159)=67597×6+723=1305218×2-276=160456-(34+134)=288736×(389-381)=5888315+87-68=334767+(761-364)=1164862-463+668=1067440-20-167=253231-(75+44)=112173+(752-709)=216507+265+222=994219+535=754362×2=724139+127×4=647180×5-117=783143+318=461809+279+808=1896940-(526-254)=66812-(240-230)=2647×7-550=3979376+(889-654)=611849-238-186=425296-227-53=16410-15×4=350194-(554-376)=16559-(167+109)=283349+999-856=492246×(767-762)=1230309+75×7=834336-(238+94)=4835×3=2505232+(917-340)=809444-(125+256)=63304-144+67=227473-41×9=104431×8=3448978+973-315=1636379-(399-32)=12436-148-143=14588×5=440333-(488-276)=121500-166=334480-(326+152)=2220-(248-225)=197888-885+28=31409-263+89=235969+696-96=1569100+262=362972×7=6804189-(334-281)=136448-(687-313)=746/10+4/10=1939×(528-522)=5634306+(346-315)=337386-56×2=27449+230+37=316793-378×2=37308×2-30=586171+577=748159×(668-664)=636238+426+319=983845×(133-130)=2535200+(294-145)=349247-(39+175)=33894+373+196=1463351-(349-216)=218372-(79+222)=71965+(898-329)=1534109+882-276=7151/3+2/3=1720-127=59395×(444-439)=475123+124=247495-290=205130×(185-182)=390780-(162+222)=396266×2-295=2373/5-1/5=2/5480-68=412418-139-118=161955-48-861=46594+114×4=1050327-110+39=25683×5+350=765481-(470-150)=16124×9+834=1050912-521-171=220315+74=389152×3+551=10073/7-1/7=2/7269×3=807962+(556-260)=1258964+12×3=1000394-(130+81)=183600×(832-828)=240042+234-161=115130+143=273476-78×4=164120×(483-475)=96019+338×2=695285-277+123=131806-397-187=222718+395+764=18776/8+2/8=1738-456+422=704800-436-158=20634×5=170246-32×2=182262+52=314516-18×4=444161×2+221=543471+359×2=1189251×8-84=1924177×3=531262+(296-58)=50038×3+750=864966+906-550=1322368+(385-57)=696875-96×9=11127+273=400110×5+820=1370479×4-509=1407492×4-738=1230458×7-853=2353495×6-172=2798624+(841-315)=1150206×4=824672+311+755=1738270+834+815=191925×9+225=45027+208-52=183303-(262+28)=1385+161=246898×3-158=2536436+30+349=815368+102+188=658545+(513-190)=868321-45-193=83793+702+850=2345515+(899-172)=1242738+583=1321743-379-355=965+157-20=202604×(775-770)=3020720×3-156=2004571+190+333=1094469-144×3=37826-162-21=643445-71=374384+275=659540-68×7=645/8-2/8=3/880×7-460=100942-(91+603)=248296-49=247347+154-496=5289×2=578366-61×6=0263×(481-474)=1841602×9=5418129+(431-76)=484300+37+140=477505+461×2=1427690×5-265=3185961-72×6=529530×9=4770458-437+414=435210+295=505289+(394-360)=323176×3+289=817994-414-153=4276/10-2/10=4/101/8+3/8=4/8104×(313-309)=416453-225-85=143126-(691-657)=92118+206+354=678492-181×2=130609-(155+40)=414302×3-350=556886-(388-130)=628311-25+49=33572+(943-184)=831142+502+126=770622-558-43=21172+262=434777-118+845=15041/4+2/4=3/4113+779+662=1554997-646=351946-179-100=667786+326-798=314145+171×3=658308-(393-239)=154939-(602+217)=120755-(283-190)=662540-536+262=266283+77=360157×4=628497-121=376560+527-580=50780×8-552=88112×5+760=1320115×(465-461)=460142×4-410=158580+185=76579+(425-165)=339935-310-125=500426-38×4=274877-(691-375)=5614/7+2/7=6/7971+727+125=182328×4+53=165104-(212-153)=45129-90-15=24223+328-200=351424-55×3=259672-74×9=697×(483-477)=5824/8-2/8=2/8157-139+257=275161+177+358=696367-342=25904+824=1728142+295=437154×(180-176)=616168×3=504504-58×6=156676×6=4056804+221=1025413×(242-235)=2891129-(133-106)=102355+206+392=953544×6-966=22983/6-1/6=2/6104×9-178=758614-443+677=84850×8+299=699769-689+259=339342-133=209193+(190-19)=364169+312=481934+(796-674)=1056775+59×3=952344+(471-256)=55977×(336-330)=4626/8-1/8=5/8191+182-29=344219+57-39=237114+(658-337)=435135-15+117=237171×7-844=35327+504+270=801959-41×9=590293×3=879224+528=752511-(969-938)=480114+272-233=153204+390-520=7490×(419-414)=450848-(421+170)=257176×(318-314)=704163+547+210=92091-(52-50)=89302+132+260=694707-80×8=67154×2+747=1055490-442+963=1011473-293-41=139575+(702-184)=109343×(443-440)=129170-(251-190)=109357+157=514715-(28+426)=261200-183+87=104755+(348-58)=1045194-(239-213)=16831×(72-64)=24875+22×4=163378×6-762=1506145×(215-209)=870105+84×3=357394-203-46=14573×4+179=47172×(111-104)=504328-26-32=270184-146+41=79297+(357-252)=402685-183+832=133497-35+297=359786+(932-879)=839273+129=402133+327+469=929246-(80+14)=152492×2=98444+(270-258)=5627×4=108440-112×2=216179+211+542=932460-276-14=170202-13×8=98581-46×5=351899-(325-119)=693497-70×6=77566+912-841=637227×2+210=664343+97×5=828630-161+548=1017564×4-754=150297+936+377=1410830-824+427=433430-162×2=1063/6-2/6=1/6398+77+464=939441+(339-325)=455932+125×3=1307735+(442-331)=846706+382-366=722180+28+620=828211×(195-187)=1688322-161=161818-192-30=596206+26+911=1143595-374+474=695206+625=831703-683-13=7511+(477-421)=567846-57×5=561401-210=191160×(211-206)=800446-361=85987+(511-436)=1062360×2-93=627371+341=712146×6=876104+28=132137-(450-377)=64136+237-104=269322+263=585328-18×5=2381/8+2/8=3/8832×5=4160450-386=64276+422+105=803255-66-29=160161×6+263=1229397-99×4=1605-436+65=234118×7-575=251491-402+218=307134×6=80415×9+706=841357-265+241=333784-202×3=178500×(670-663)=3500122+309-214=217219×(451-448)=65764+(312-226)=150334-191+182=325845-64-282=499416-240+219=3955/8-1/8=4/8178×8-779=645185×4=740658-11×6=592208+(148-126)=230873-(324+144)=405657+684=1341337+85×4=677192+(436-48)=580306+130=436437-134-229=74336-25-195=116159×3-207=270977+937+582=2496327-19=308365-291=74890-(725-95)=260143+316=459177×(596-588)=1416997-865=132327-(32+223)=72355+77=432658×3=1974959-812+81=22820×8=1604/8+3/8=7/8394-49×7=51163+671=834346+572-664=254657-78-470=10985+109=194937-(140+269)=528192-164=28899-49-107=743367+189×2=74560×6=360677-101+240=81647+(147-100)=94398-38-295=65965-(22+548)=395644×5-503=2717918+200=1118926-485=441109+484+744=1337184-44+120=260236-34-63=139143-78=6535×3-35=70491-21×9=30216+(723-622)=117439-325-85=29427+41×5=632363×6=2178980×(412-409)=2940569×(316-313)=1707129×4+52=56833+149=182788-(864-315)=239245+82-229=98397+(472-351)=518391-24-14=353184-(485-362)=61469-16×4=405122×7-596=258103+48×3=247767-538-179=50417-320=9775-12+199=262137+286=423978-(256+517)=205572-88-408=76800-(491+17)=292228-(416-362)=174342+101=443677-60+76=693257+281+372=910401-(216-177)=362464-348+26=142306-205=101901-(450+26)=425325-173=152169×4-275=40160+18+573=65194+148+110=352783-194=589581+971+912=2464412×(250-244)=2472222-211=1150×5+584=834387-387+406=406497-(446-432)=483130×(259-256)=390167+240-326=81106×(349-340)=954436-48×3=292420+995-796=619326×2-16=636748-184=564727-(364+150)=21367+(185-169)=83598×8-768=401692×9-253=575313-205-30=78869+(503-31)=1341317-(121+175)=2116×8+433=561758-553+368=573127×6-395=367293×2=586734+473×2=1680345+131=47681+338-318=101593×8-208=4536830+528=1358438+777=1215313-(27+245)=41252+670-327=595414-(306+40)=68442-299-135=884+495=579451-75×3=226407+(353-206)=554280-280+391=39120×6+444=564235×(577-570)=1645755-301×2=153328-(48+142)=138484-241=243417-(103+93)=221418-388+369=399432-(684-280)=28406+18-210=214480-(10+35)=435848+63×9=1415461+452+965=187888×3-73=1916/8-2/8=4/8861-492=369118+238=35674+247-95=226310-(82+183)=45218×2=43640×(140-137)=120283+264×2=811557+627+731=1915128+(498-309)=317617-224×2=169973-(774-474)=673471+(215-122)=564643-201=442369-69×4=93300-29×3=213247-47×2=153841-663+606=784132×3-326=70564-304=260757-83×3=508300+35×4=440429×2=858229+(282-18)=493368+(473-338)=503598+499+149=1246464-163=301343×8=274443+451-228=266843×(824-817)=5901386-43=343499-(12+416)=71179-87+382=474256×2=512500-(427-366)=439907-120×7=67161-65+333=429192×3=576851-17=834998-(137+216)=645966×2=1932619-(810-715)=524631-45=586112-54=58739-401-35=303659×3=1977397×9-42=3531887-598=28924×6=144747×8-812=5164206-(369-365)=202901+586+832=2319195+116=311364-328+457=493161×3-41=44272×(312-309)=216445+64×6=829401-20×8=241282+62+361=705270+504=774473×2-355=59153×(361-358)=159344-61×3=16150+236+523=809232-203=29180×3-49=491374-(129+87)=15840+57-46=5173+87-20=140492-(332+38)=122220-(901-759)=78874-421×2=32350-(336-165)=179313-35=278698-240-315=143218×8=1744190+190=380122-(14+86)=22997-(561+409)=27723-449+87=361982-(101+189)=692448-(432-83)=99310-196+292=406398-351+252=299676-161×3=193220×(492-489)=660477-(316+32)=129327-281=46932+(636-489)=1079657+303-389=571236×3+402=1110480+127+603=1210779×9=7011685+(613-301)=997605-(748-199)=56852+111-955=8242+125×2=49222×7=154116+225+89=430365×5-312=1513128-11×8=40495+293=788417-(444-391)=364783×9=7047182-155+408=43565-(24+13)=28845-(27+816)=2795+677-527=945399×2=798152×(478-474)=608168-10×3=138257-197=60475+(210-72)=613744×(238-233)=3720465-(186-119)=39828×4=112581+400+221=1202208+658+126=992221×4=884189-187+57=591