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135+257-336=785-50×7=790-64+881=187+392+312=177+174=828+(200-54)=610-57×3=20×(27-22)=965-205-293=530+32×5=16×(45-39)=3/7-1/7=398-(179+164)=715-497=13×(277-268)=328-195+73=227×6=51+356-350=847-145×4=473+42×2=753×3-786=651-172-76=129×2=214-78=545+640+198=481+(63-29)=684+362-975=229+98+574=420-(157+155)=100×8-250=415-(34+187)=72+(41-18)=899+72-146=915-276-43=171×5-384=192×7-206=317-159+289=192+200×2=208+51-232=271-(205+23)=549-(523-265)=30+209×4=111×4-347=416-31×6=925-703=574-89-377=959+401×2=60+499+716=858-(528-305)=74×(372-364)=250×7=877-514-292=443-346=57×7=464-18×7=72+594+285=373-(15+171)=32×2+158=453-207-200=404×2-518=286-160=298×(217-211)=479×2-844=425+73-186=313-(107+72)=47+349-373=448-281=2/7-1/7=247+(804-13)=120-52=6/9-3/9=122×6-717=448-58=247×3+96=99×6+395=358-115-24=948+(970-861)=331×2-484=468+(312-257)=164×7=294-89-60=21+317-119=154+192-160=141+44×2=506×6-10=106+45=163×3=113×2=551+186×2=102-(431-354)=801-382+718=725-(594-230)=788-248+628=166+(868-515)=168×4=194+198-131=435+162-581=370×2-666=656+50+310=795+307-325=885+295=125+621-668=742-154-418=481+(766-534)=716×8-859=993+355+803=214+207=951-835+488=103×8+892=759-24×7=613+822-749=363+152=133-11+23=272+61=158+106-43=839+(368-114)=4/7-1/7=211+387+206=196+623=631-45×5=472×5-734=204-183+300=564+(892-64)=391+159×3=396-(351-44)=834-(516-407)=204×3-478=164-50×3=692-61×7=44+64+709=92×3-136=94-61+294=320-28×2=116×3+266=664+286-703=649-196×3=558-84-89=811-94×5=821-212=70+515+234=749-132-68=775-710=417-143+168=719+(568-390)=269-233+241=206+423+312=151+224+158=251-219=120+215=456-(366+90)=324×(465-462)=241-23+52=2/5-1/5=489-48×6=165-146=886-776=129+273=674-648+934=572-259×2=131+36+164=667×2=702+819-501=6/8+2/8=492-408+10=617-408=151-18=353-(83+155)=657×9-794=115+234=888-14×2=202-(57+124)=158×5-222=720-190+473=140+179=861+251-34=35×9-68=818×(348-340)=95×3=70+108=188-109-53=830+(594-509)=177+232-226=440-389=435-77+440=371×3=148+490+345=940-(287-70)=81+(243-184)=127+85×8=348+174×2=452-113+94=724-146=872+483-101=559-350=898-(165+557)=314-(84+141)=381-10×9=396-194-132=301+104=231+43×4=98×9-505=551+125+404=971×(901-898)=436-(370-224)=619×6-547=200×(593-584)=663-(388+85)=171-33+131=125+(163-97)=128+366-234=330+166-176=23×(350-347)=499-134-41=152+(389-283)=809-438+850=475×2+26=209+238+550=309+(379-167)=616×(200-194)=118+25+780=79×6+469=168+265+172=272+719-421=125+(189-123)=359-(235+37)=107+72=485-193-158=101×6+48=78×8=39+97=350-(392-355)=959-407=148-(545-460)=66×8-12=793×3-781=474-83-129=494-262=991+(206-190)=249×(444-440)=323+130=517+237=427×8-14=15+252-124=720-(484+70)=385+935-577=159+75=12×6+132=281+(216-16)=477+(725-145)=186-(307-168)=1/6+3/6=545+845-949=763+(950-907)=114+137=199+398×2=165+(415-118)=769-414+442=579+449-543=159×5-74=921-(229+252)=204×5=407-142=993-(939-345)=371×6=79×(78-71)=329-(442-134)=167+(380-109)=289×2=340-(264-77)=152×6-621=438-32-94=684-150+174=235-(24+195)=74×(324-317)=404-330+215=357-(138+122)=144×(416-412)=204+176-333=384-(61+256)=863×9-359=315+158-393=549+870=45×(182-175)=466-(184-108)=131+129+80=120×2=346-67+490=774×8-850=989×(131-128)=493+583+374=156+552+136=456×5-711=115+314=121×4+342=59×2+644=179+60+418=277-(181-118)=355-174-98=483-(154-30)=52×4+535=625×7=469+640-814=390-54×6=301-(298-190)=774-(544-393)=59×(37-33)=89×4=466+607+922=860+440=439-236-12=226-(236-89)=857+289+396=889×7-533=138+209=798×(742-739)=471+(421-116)=965-(254+69)=468-(131+145)=128+545=255×2=121-(164-94)=943-48×3=324+163-423=195+92×4=902-26-120=239-27×3=61×3+222=164+213=265-(100+86)=182×2+248=256-59=714×5-353=721-541+662=995-(883-472)=73-18×2=120-95+263=563-(132+389)=630-70+48=327×3+256=316+128=156+449+372=125+120=150-29×4=255-66-78=132×7=733+528=907×3=982-188=94-13+418=458+(405-107)=964-334×2=944-122-540=243-11×2=4/8+2/8=459×(80-71)=54×7-126=638-108=505+479=467-304=346-34-305=104+538=343+570+10=1/6+2/6=282-218+267=183-(439-374)=464-183-145=943-136×6=879×8=421+316=911+(841-32)=412-(122-100)=71×2=299-(107+38)=200+(915-857)=91×8=3/5-2/5=278-158=786-28×5=583-183×3=481+169=929-699=695-209+990=660-31-420=379-15×2=489-46×4=408-(75+55)=329-(587-491)=172-42×2=171+211-287=849+(500-277)=588×7=246-94×2=4/10-3/10=286+(205-141)=676-(42+275)=178+97×3=177+(331-259)=490+(411-103)=216+142=463-378=148+275+227=83+366-180=71+231+993=14+292-86=289+670+462=471-(114+172)=605-148-340=533×(576-572)=628×8=285+402+293=37×7+329=100×4+95=997-(776-229)=403-185-103=378-50+39=778-(41+169)=875-(197+609)=277-(77+166)=506×3=336-322+338=333-86-192=321+73=206+115=308-38×7=1/7+6/7=270-79=724×(133-127)=459+199×2=752-492-147=479+307+141=966-834=381-43=695×(892-886)=997×(253-249)=144+(414-103)=968-420+522=556-48+685=136×(338-334)=494-63-332=417-(200+69)=741+(279-246)=500-64×5=67×6+567=131-(219-91)=263-68+144=601-27×8=555+291=489×6=216+(478-131)=504×4=33×8=509-(254+215)=492-(525-346)=53×8=454-45-297=710+(467-292)=157+(779-658)=253+240-100=861-86-57=57+289-42=111×(465-458)=549-253+608=117×2+97=364+398=63×7=282+(444-146)=466-211-65=697-438=62×4=246-59×3=257-109-41=3/6-1/6=78×(482-475)=138-56-35=431-34-57=302+(454-80)=353-(56+195)=40+216+845=76×5=399-(102+150)=826-(960-565)=968-792+691=282-31×7=262-46-116=410-107×2=757-648+520=728-407=903×5=380-160×2=423-50-50=186-18×4=96-(498-494)=449-(817-694)=103+(413-356)=465-125=413-168=148-32×3=832+253-251=138-(66+31)=35×(429-420)=939-319-509=124+375-83=92×(58-53)=265+130=144+101×6=629+506+102=446-(280+118)=14+339×2=256+274+460=260×3-626=252+171+203=24+(343-243)=889-325×2=60×9=826-409=891-158+83=498-91×2=420-180+824=864+64-623=130+318=692+225=387+(366-310)=733+31+229=928-306-182=30+(164-10)=214+515=417-(115+249)=71+(496-346)=230×3+965=577×(741-733)=686-531-29=60+(905-444)=354+(411-51)=851-(14+650)=243×6=389-145-191=421-99-122=50×(490-485)=122-33×3=475-63=390-(843-702)=811×2-794=398-61×3=424+71×6=395+102×2=989-36×8=229+(456-387)=401+142×2=470-(435-232)=307-210+259=68+208=434-166-33=752-(155+140)=26+60=125×(282-277)=17+199+409=870+(868-653)=440-90-232=440×2-530=631-390=139×5-620=743-257-181=698×8=623+207+164=262-(169+24)=858+422+190=325×(483-480)=846+953+422=140-(490-352)=533×3-465=431-(485-481)=247×3-718=649×5=214-175=410-(207-14)=136×6+453=245-161-66=353+(878-633)=369-336+178=309+374-187=962-(455+59)=287-196+121=950-(160+398)=567-457=462-182×2=21+823+84=715×3-348=140×5-86=883-(105+691)=532×3-625=90×(188-184)=992-376+117=173×(304-299)=285-68×2=288-(849-694)=26×(294-290)=90×8-54=210-(478-365)=336×2-516=301+(456-309)=877-112-322=363-(17+339)=377-324-39=478×2-668=3/9+2/9=516-(171+235)=771-(657+44)=603-35×7=95-62=542+361×2=481-(226+237)=42×3+490=199+280-173=253-56×3=337+13+59=290-(275-113)=894-(258+119)=812-(159+219)=855-265×3=63×6=641×4=61×4+21=339-(139+14)=857×7=770+(819-527)=282-38=5/8-1/8=458-(323+131)=657-(464-56)=209×3=870-174×5=982×4=714+188×3=479-(39+356)=88+700-150=453-(430-379)=459-309+295=771×(388-384)=441×4-905=292×6=340-(394-270)=459+(114-28)=78×(846-838)=440-426+176=54×8+985=483+518-915=961-388=688+461-766=499+(466-300)=766+320-798=907-52-780=439-(944-649)=430-246+118=231+179-344=116+248-138=440-(313-191)=259-201+232=447-322=972-661=64×9-202=367×2=785-750=199+17×5=129×(109-104)=813-(459+325)=421-378=93×(453-448)=930×(602-596)=557+541+282=755×(161-155)=335×2-468=428-193=651+224=724+695-201=430+(153-66)=13×(359-354)=709+511-43=737-(27+584)=165×9=182+177-173=40+302+526=173+602-616=285×(366-359)=274+144=18×8=21×(460-455)=160×5-445=180×(78-73)=143-31×4=499-216=954-77-698=456×(563-558)=925+813=862×(85-82)=144×3+431=827+657-789=759+383×2=3/9+4/9=562-47×3=214+492+30=270+352-291=912+683+537=326×2-75=100×4=903-(347-44)=1/4+2/4=370+121=331-(295-196)=423×6-270=160-149+726=219-25×2=86+495+998=26×7=643+155=36+390-337=408×8-83=190+213-34=74×2=89+153=285-11+481=196×3+349=396-(437-135)=188×8-827=518×7-599=116×4=160+222=957-357-21=545+192+239=246+88=173-32+39=711-(323-119)=428-396=3/6+2/6=856-70-225=408-(425-118)=413+(732-210)=171-22×3=153+11+436=41×6+656=293-38-199=576+126×4=1/7+4/7=370-129=478-328=160×3=237×3-185=265-(862-727)=100×9+90=754+950=492-44×2=70-15+327=875-(876-838)=196×4=473+52×8=856-(53+532)=11×2+378=381-76×5=951+736+938=4/7-2/7=35+462-377=591-(428-201)=716-(33+677)=379-379+349=425-43×3=824-223×3=907+(919-542)=424+242=390×(51-47)=351+195×3=898-456-349=1/7+5/7=246+165=572×3=399×4=146+319=556-313=238×(863-856)=119×(255-247)=433×6=134×(966-957)=315×3-438=399×(895-890)=484×2+704=916-324-238=306-(677-574)=467-303+225=122+315+478=409-(252+31)=887+288×2=960+(827-794)=967-630-250=327-(278-222)=317-(220+41)=477-128+29=404-(474-436)=862×4-117=366+267=248-59=952-753+432=237+(818-88)=206+212+337=688-28+841=545+672-753=747×8-136=482-276+184=371×2=66+82=499-(373-243)=82+419=202+78+589=205×(962-956)=888-397-192=885×(80-77)=797+287+490=3/4-1/4=525-(537-443)=535+86+136=324+(290-255)=185×(62-58)=302-(927-802)=718+843+10=142×(226-221)=492-211=455+21×2=3/8+5/8=791-471-11=220×(412-409)=290+182=881+904=433-330-15=655-(420-90)=293-139=244×4-24=3/8-2/8=492-12=51×8=291×(204-201)=829×(648-644)=482-317+267=832-(746-323)=631-(249+312)=460-(112+104)=619+(409-293)=993+429-549=174+304-351=263-121+302=104+(446-179)=375-16×4=344+963+249=250×4-848=74×9-84=342+81-166=297-226+860=502+330+948=845-330=165×6=758+265+432=147+94+925=268×2-340=343-270=317-(148+42)=902-501=11+26×5=498-22×5=參考答案135+257-336=56785-50×7=435790-64+881=1607187+392+312=891177+174=351828+(200-54)=974610-57×3=43920×(27-22)=100965-205-293=467530+32×5=69016×(45-39)=963/7-1/7=2/7398-(179+164)=55715-497=21813×(277-268)=117328-195+73=206227×6=136251+356-350=57847-145×4=267473+42×2=557753×3-786=1473651-172-76=403129×2=258214-78=136545+640+198=1383481+(63-29)=515684+362-975=71229+98+574=901420-(157+155)=108100×8-250=550415-(34+187)=19472+(41-18)=95899+72-146=825915-276-43=596171×5-384=471192×7-206=1138317-159+289=447192+200×2=592208+51-232=27271-(205+23)=43549-(523-265)=29130+209×4=866111×4-347=97416-31×6=230925-703=222574-89-377=108959+401×2=176160+499+716=1275858-(528-305)=63574×(372-364)=592250×7=1750877-514-292=71443-346=9757×7=399464-18×7=33872+594+285=951373-(15+171)=18732×2+158=222453-207-200=46404×2-518=290286-160=126298×(217-211)=1788479×2-844=114425+73-186=312313-(107+72)=13447+349-373=23448-281=1672/7-1/7=1/7247+(804-13)=1038120-52=686/9-3/9=3/9122×6-717=15448-58=390247×3+96=83799×6+395=989358-115-24=219948+(970-861)=1057331×2-484=178468+(312-257)=523164×7=1148294-89-60=14521+317-119=219154+192-160=186141+44×2=229506×6-10=3026106+45=151163×3=489113×2=226551+186×2=923102-(431-354)=25801-382+718=1137725-(594-230)=361788-248+628=1168166+(868-515)=519168×4=672194+198-131=261435+162-581=16370×2-666=74656+50+310=1016795+307-325=777885+295=1180125+621-668=78742-154-418=170481+(766-534)=713716×8-859=4869993+355+803=2151214+207=421951-835+488=604103×8+892=1716759-24×7=591613+822-749=686363+152=515133-11+23=145272+61=333158+106-43=221839+(368-114)=10934/7-1/7=3/7211+387+206=804196+623=819631-45×5=406472×5-734=1626204-183+300=321564+(892-64)=1392391+159×3=868396-(351-44)=89834-(516-407)=725204×3-478=134164-50×3=14692-61×7=26544+64+709=81792×3-136=14094-61+294=327320-28×2=264116×3+266=614664+286-703=247649-196×3=61558-84-89=385811-94×5=341821-212=60970+515+234=819749-132-68=549775-710=65417-143+168=442719+(568-390)=897269-233+241=277206+423+312=941151+224+158=533251-219=32120+215=335456-(366+90)=0324×(465-462)=972241-23+52=2702/5-1/5=1/5489-48×6=201165-146=19886-776=110129+273=402674-648+934=960572-259×2=54131+36+164=331667×2=1334702+819-501=10206/8+2/8=1492-408+10=94617-408=209151-18=133353-(83+155)=115657×9-794=5119115+234=349888-14×2=860202-(57+124)=21158×5-222=568720-190+473=1003140+179=319861+251-34=107835×9-68=247818×(348-340)=654495×3=28570+108=178188-109-53=26830+(594-509)=915177+232-226=183440-389=51435-77+440=798371×3=1113148+490+345=983940-(287-70)=72381+(243-184)=140127+85×8=807348+174×2=696452-113+94=433724-146=578872+483-101=1254559-350=209898-(165+557)=176314-(84+141)=89381-10×9=291396-194-132=70301+104=405231+43×4=40398×9-505=377551+125+404=1080971×(901-898)=2913436-(370-224)=290619×6-547=3167200×(593-584)=1800663-(388+85)=190171-33+131=269125+(163-97)=191128+366-234=260330+166-176=32023×(350-347)=69499-134-41=324152+(389-283)=258809-438+850=1221475×2+26=976209+238+550=997309+(379-167)=521616×(200-194)=3696118+25+780=92379×6+469=943168+265+172=605272+719-421=570125+(189-123)=191359-(235+37)=87107+72=179485-193-158=134101×6+48=65478×8=62439+97=136350-(392-355)=313959-407=552148-(545-460)=6366×8-12=516793×3-781=1598474-83-129=262494-262=232991+(206-190)=1007249×(444-440)=996323+130=453517+237=754427×8-14=340215+252-124=143720-(484+70)=166385+935-577=743159+75=23412×6+132=204281+(216-16)=481477+(725-145)=1057186-(307-168)=471/6+3/6=4/6545+845-949=441763+(950-907)=806114+137=251199+398×2=995165+(415-118)=462769-414+442=797579+449-543=485159×5-74=721921-(229+252)=440204×5=1020407-142=265993-(939-345)=399371×6=222679×(78-71)=553329-(442-134)=21167+(380-109)=438289×2=578340-(264-77)=153152×6-621=291438-32-94=312684-150+174=708235-(24+195)=1674×(324-317)=518404-330+215=289357-(138+122)=97144×(416-412)=576204+176-333=47384-(61+256)=67863×9-359=7408315+158-393=80549+870=141945×(182-175)=315466-(184-108)=390131+129+80=340120×2=240346-67+490=769774×8-850=5342989×(131-128)=2967493+583+374=1450156+552+136=844456×5-711=1569115+314=429121×4+342=82659×2+644=762179+60+418=657277-(181-118)=214355-174-98=83483-(154-30)=35952×4+535=743625×7=4375469+640-814=295390-54×6=66301-(298-190)=193774-(544-393)=62359×(37-33)=23689×4=356466+607+922=1995860+440=1300439-236-12=191226-(236-89)=79857+289+396=1542889×7-533=5690138+209=347798×(742-739)=2394471+(421-116)=776965-(254+69)=642468-(131+145)=192128+545=673255×2=510121-(164-94)=51943-48×3=799324+163-423=64195+92×4=563902-26-120=756239-27×3=15861×3+222=405164+213=377265-(100+86)=79182×2+248=612256-59=197714×5-353=3217721-541+662=842995-(883-472)=58473-18×2=37120-95+263=288563-(132+389)=42630-70+48=608327×3+256=1237316+128=444156+449+372=977125+120=245150-29×4=34255-66-78=111132×7=924733+528=1261907×3=2721982-188=79494-13+418=499458+(405-107)=756964-334×2=296944-122-540=282243-11×2=2214/8+2/8=6/8459×(80-71)=413154×7-126=252638-108=530505+479=984467-304=163346-34-305=7104+538=642343+570+10=9231/6+2/6=3/6282-218+267=331183-(439-374)=118464-183-145=136943-136×6=127879×8=7032421+316=737911+(841-32)=1720412-(122-100)=39071×2=142299-(107+38)=154200+(915-857)=25891×8=7283/5-2/5=1/5278-158=120786-28×5=646583-183×3=34481+169=650929-699=230695-209+990=1476660-31-420=209379-15×2=349489-46×4=305408-(75+55)=278329-(587-491)=233172-42×2=88171+211-287=95849+(500-277)=1072588×7=4116246-94×2=584/10-3/10=1/10286+(205-141)=350676-(42+275)=359178+97×3=469177+(331-259)=249490+(411-103)=798216+142=358463-378=85148+275+227=65083+366-180=26971+231+993=129514+292-86=220289+670+462=1421471-(114+172)=185605-148-340=117533×(576-572)=2132628×8=5024285+402+293=98037×7+329=588100×4+95=495997-(776-229)=450403-185-103=115378-50+39=367778-(41+169)=568875-(197+609)=69277-(77+166)=34506×3=1518336-322+338=352333-86-192=55321+73=394206+115=321308-38×7=421/7+6/7=1270-79=191724×(133-127)=4344459+199×2=857752-492-147=113479+307+141=927966-834=132381-43=338695×(892-886)=4170997×(253-249)=3988144+(414-103)=455968-420+522=1070556-48+685=1193136×(338-334)=544494-63-332=99417-(200+69)=148741+(279-246)=774500-64×5=18067×6+567=969131-(219-91)=3263-68+144=339601-27×8=385555+291=846489×6=2934216+(478-131)=563504×4=201633×8=264509-(254+215)=40492-(525-346)=31353×8=424454-45-297=112710+(467-292)=885157+(779-658)=278253+240-100=393861-86-57=71857+289-42=304111×(465-458)=777549-253+608=904117×2+97=331364+398=76263×7=441282+(444-146)=580466-211-65=190697-438=25962×4=248246-59×3=69257-109-41=1073/6-1/6=2/678×(482-475)=546138-56-35=47431-34-57=340302+(454-80)=676353-(56+195)=10240+216+845=110176×5=380399-(102+150)=147826-(960-565)=431968-792+691=867282-31×7=65262-46-116=100410-107×2=196757-648+520=629728-407=321903×5=4515380-160×2=60423-50-50=323186-18×4=11496-(498-494)=92449-(817-694)=326103+(413-356)=160465-125=340413-168=245148-32×3=52832+253-251=834138-(66+31)=4135×(429-420)=315939-319-509=111124+375-83=41692×(58-53)=460265+130=395144+101×6=750629+506+102=1237446-(280+118)=4814+339×2=692256+274+460=990260×3-626=154252+171+203=62624+(343-243)=124889-325×2=23960×9=540826-409=417891-158+83=816498-91×2=316420-180+824=1064864+64-623=305130+318=448692+225=917387+(366-310)=443733+31+229=993928-306-182=44030+(164-10)=184214+515=729417-(115+249)=5371+(496-346)=221230×3+965=1655577×(741-733)=4616686-531-29=12660+(905-444)=521354+(411-51)=714851-(14+650)=187243×6=1458389-145-191=53421-99-122=20050×(490-485)=250122-33×3=23475-63=412390-(843-702)=249811×2-794=828398-61×3=215424+71×6=850395+102×2=599989-36×8=701229+(456-387)=298401+142×2=685470-(435-232)=267307-210+259=35668+208=276434-166-33=235752-(155+140)=45726+60=86125×(282-277)=62517+199+409=625870+(868-653)=1085440-90-232=118440×2-530=350631-390=241139×5-620=75743-257-181=305698×8=5584623+207+164=994262-(169+24)=69858+422+190=1470325×(483-480)=975846+953+422=2221140-(490-352)=2533×3-465=1134431-(485-481)=427247×3-718=23649×5=3245214-175=39410-(207-14)=217136×6+453=1269245-161-66=18353+(878-633)=598369-336+178=211309+374-187=496962-(455+59)=448287-196+121=212950-(160+398)=392567-457=110462-182×2=9821+823+84=928715×3-348=1797140×5-86=614883-(105+691)=87532×3-625=97190×(188-184)=360992-376+117=733173×(304-299)=865285-68×2=149288-(849-694)=13326×(294-290)=10490×8-54=666210-(478-365)=97336×2-516=156301+(456-309)=448877-112-322=443363-(17+339)=7377-324-39=14478×2-668=2883/9+2/9=5/9516-(171+235)=110771-(657+44)=70603-35×7=35895-62=33542+361×2=1264481-(226+237)=1842×3+490=616199+280-173=306253-56×3=85337+13+59=409290-(275-113)=128894-(258+119)=517812-(159+219)=434855-265×3=6063×6=378641×4=256461×4+21=265339-(139+14)=186857×7=5999770+(819-527)=1062282-38=2445/8-1/8=4/8458-(323+131)=4657-(464-56)=249209×3=627870-174×5=0982×4=3928714+188×3=1278479-(39+356)=8488+700-150=638453-(430-379)=402459-309+295=445771×(388-384)=3084441×4-905=859292×6=1752340-(394-270)=216459+(114-28)=54578×(846-838)=624440-426+176=19054×8+985=1417483+518-915=86961-388=573688+461-766=383499+(466-300)=665766+320-798=288907-52-780=75439-(944-649)=144430-246+118=302231+179-344=66116+248-138=226440-(313-191)=318259-201+232=290447-322=125972-661=31164×9-202=374367×2=734785-750=35199+17×5=284129×(109-104)=645813-(459+325)=29421-378=4393×(453-448)=465930×(602-596)=5580557+541+282=1380755×(161-155)=4530335×2-468=202428-193=235651+224=875724+695-201=1218430+(153-66)=51713×(359-354)=65709+511-43=1177737-(27+584)=126165×9=1485182+177-173=18640+302+526=868173+602-616=159285×(366-359)=1995274+144=41818×8=14421×(460-455)=105160×5-445=355180×(78-73)=900143-31×4=19499-216=283954-77-698=179456×(563-558)=2280925+813=1738862×(85-82)=2586144×3+431=863827+657-789=695759+383×2=15253/9+4/9=7/9562-47×3=421214+492+30=736270+352-291=331912+683+537=2132326×2-75=577100×4=400903-(347-44)=6001/4+2/4=3/4370+121=491331-(295-196)=232423×6-270=2268160-149+72