三年級數(shù)學(上)計算題專項練習附答案集錦105+734+154=975-112×5=986×(247-240)=930-(235+693)=893+(634-220)=528-406=834+168+870=386-325+124=529-(258+262)=439-(734-726)=153-101+50=3/9+6/9=605×9=994-(676-153)=84×3-48=58×6=202×9-157=353×2=436+20-60=358-58=223+403+204=127-(333-273)=729+28+53=259-133-57=76+338+387=56×(219-210)=835-297×2=298-53×4=194+836=384+(378-207)=908-745=939×9=15×9+101=455×6-772=152-(148-132)=212-(191-186)=340-(211+43)=13×2+47=958+196-272=98×(255-250)=3/8-1/8=99+295=655-593+441=198×8-167=600-336+817=914-(926-272)=2/3-1/3=665×(576-568)=345+85=884+(372-346)=749-(882-153)=342+59-357=426-297+178=494×9-218=926-(33+856)=450-(212+78)=744+(559-75)=66×7+811=311-20×3=379+(466-104)=355+54×4=443-(168+65)=148+(264-211)=958-(493+119)=373-(494-197)=305×(241-238)=372+451×2=447-138-259=213+132=439+175+173=470×(520-511)=937+708+933=327-14×4=495-(392-315)=930+37×6=246-19×8=219+138-72=235+473-492=900-160-159=283-243+330=316×3+298=309-98-188=64×(226-218)=107×(157-153)=981-665+212=867+408-990=54+994-340=183-(342-287)=335-10-82=272+140-405=83×(316-308)=388+91=832-444+695=331+(805-465)=915+(837-515)=126+(438-123)=337-(109+186)=994-692+217=101+546+43=337×3-800=363-(26+208)=341+886+366=300+140=50+(381-272)=52+100=817-98=237×8-905=465-114-63=702-567+756=231+395=208+(310-266)=521×(148-144)=213+342=159+479+132=343+(410-397)=857×8=328-(87+68)=434-374-13=52+233=989-584=1/8+5/8=39+226×2=896-(879-403)=463-(98+38)=130+(760-400)=169×(391-384)=985+(571-185)=587-463+457=456+34+483=925+482+645=198×(215-212)=331-20-26=161×5-232=232×2+597=464-417=83+30=206+839=226-15×8=986-413-509=36×4=625-(493+18)=181×3=993-865-115=496-226=741-642=476-56=861+286-631=199+165×2=191+202=63×8-33=222×(207-201)=982-617=176-143+324=931-380-174=358-(96+106)=418+(719-322)=387-101×3=282-(171-19)=912-(366+174)=348-298+77=181+306=27×(485-476)=180×2+220=230+(855-546)=483×9=495-53×3=762-(239+420)=105×4=426-(308+102)=283×3-683=79×(160-157)=971-(959-704)=1/6+5/6=531×(454-447)=478-86×2=499-31=169+266=733×4=203×2+260=22×8+25=106+564=592+(703-315)=334-171-38=53×7-305=423+180×3=535+292=647+108×4=54×6+476=184-25×7=109×5+124=282×(526-518)=447+911-995=28×(460-457)=133+243+319=579-(135+422)=67-(161-131)=977-(830-285)=280+27-89=456×2=296-(269-216)=89×9-201=289×8=196×4=392-242=4/8+2/8=90×(485-478)=868-79×8=130-(313-300)=1/3+2/3=192+294-227=228+520-697=353-106=681×(372-366)=478-160-219=15×(350-346)=117-52×2=331+(857-680)=55×5=839×(641-634)=249+97-116=79+329=232-(692-631)=232+77=389-92-219=498-453+425=438-(236+54)=5/7-1/7=149+525+265=203+284×2=252-163-30=243×3-142=459+674+60=226-(422-201)=574-143+349=91×4+213=239+47+518=85×(272-266)=367+71×2=238×(157-150)=848×(856-853)=489+(398-215)=964-178×4=404-181=199-169=121×5+24=252×2=450+318=175+169×3=926-(356+490)=245+(439-108)=327×2=289-12=230+(281-47)=313+120-219=112×5=685-(684-533)=110-18×3=459+556+50=213×(632-626)=182+101-266=452-(441-183)=819+266=989-234-637=47+405-322=598+954=862+193+670=301-(345-342)=453-103-125=212+308=102×9-539=386×8=314-62+184=370+(457-182)=206+(407-326)=101×9-157=814-619+726=500+422+402=319-59+134=164×7-146=266-32×7=510+778-549=750-(134+353)=262-72=995-(410-331)=708+657+741=466-(293+18)=342×2=243×(370-365)=295+(488-278)=360-51×4=384-126+211=353-(452-450)=204+852-676=983-837-92=724-(814-155)=997×2=141+281=871+978+143=938-479-278=889-212+900=374-126-46=914×6=169×4-33=451-106=56+61×4=456+130+308=490-(240+79)=101+371=53×5+908=525-385+895=50×3+367=184-64=112×(64-56)=284-30-24=376+284+247=125×(333-326)=287+114-13=49×3+410=443-(35+214)=981-402-96=411-56×3=3/6-2/6=480×2-140=437-74×4=491-259-63=540-268-205=478+(459-206)=728-(229+299)=635-575-44=459-226=696-(73+432)=485×7-736=280-10×5=50×4+39=110-95+327=352-310+93=974+194×2=474-222+264=480-340=946×2=162-(334-299)=870×3=479-56=123×4=26×8+158=613-217=363×2-418=337-181+312=190×3+35=439×(846-839)=206×(311-308)=424+350+269=289+186-335=252+197-59=932-(126-80)=883-264-148=257-(17+192)=114×8-414=211×4=548-181=455-281-154=152-(497-378)=184-(105+46)=4/6-2/6=166+36×5=388-(127+21)=288+464+183=445-(146+265)=403-48×5=447-183+179=178-(421-250)=5/9-3/9=64×(288-283)=476-182=501×6-363=108×7-275=273-(230-119)=123+383×2=465-84=447-316+289=443-79×5=209×(352-348)=65+355=443+220-47=370-(433-207)=549×9=102+(604-386)=473×(848-845)=786-356+870=165×4-513=482×7-632=132+182×3=263-(358-357)=80×(494-487)=269-82-124=441-136-184=284+(476-16)=647-35×7=361+284+294=472+544+333=23+708-153=984+441-136=347-(398-104)=282+710=993-437+478=547+(763-554)=872-580=259+176=352+127+179=4/7-2/7=556-31-252=445×2=843-99-553=464+49×6=916-120=58+(355-93)=457-188=702+775-156=471-(224-50)=978-99-691=26×(155-152)=666-28×6=305-39×3=278×3-825=437+314=53+(311-259)=359+853-864=539+165=112-60+431=33×9=602×6-406=737-19=372-94×2=741×(180-172)=979-191-147=123+361-127=45×3=367-247+340=380-14=645×6=524-140=491-47=783+511+507=782-757+562=575-305=851-(366+53)=560-(122+113)=282+143=114×7-397=180+(255-75)=44×9=664-13-53=976-(582-208)=320-(419-193)=918-115-665=355×9-748=134+29×7=212+100×3=299-88×3=80×5=295+96+588=424+840-88=970-459=482-247=897-797=388-178-77=193×(295-290)=216+137+83=523+29+276=129+298-399=500-(198+83)=908-728-172=341-86-238=289×3-510=128×7+43=942-(558+272)=761×5-763=497-101+10=608+306-438=247-127+451=360-204=115×(345-341)=827-71-541=71×6-199=953+(644-286)=247+(165-16)=628+302+576=846-(49+89)=365+(213-104)=645+318+703=18+(100-32)=585+(715-684)=161-(98-27)=37×7+198=423-(149+126)=93+46-46=124+760+119=787-488+333=833×9=356-(271-143)=306-55=89×(443-434)=384-(76+59)=318-23=298+126-361=677×9-839=247+199=290×4=908×(54-49)=376+(326-324)=504-(750-490)=574+164=436-(151+68)=474-(127+175)=316+140-196=350-(238-223)=38+766-627=660+133=688+164+112=838-803+67=33×4=913-117-428=980-132×7=663×5=301-45×4=98×8=500-129×2=131×5=241+58=562-56×9=73+393=877-123×6=784-(231+426)=752-(464-285)=309+170=708-258×2=47+982+791=828+559-739=475-80×3=427+121×4=483-(213+231)=341+106×5=188×4-306=860-284-366=355-155×2=566-376+466=288+78+263=251+215=361+143×4=204×(315-311)=219-28+263=756×3-481=141×4+300=381×8-578=757×7-724=223-148=11+109+474=398+83-83=49+187×5=4/6-1/6=470+(421-54)=371+(440-115)=795-427-265=432-(84-41)=103+(327-175)=286×3-516=307+159-48=477-163+150=326×(171-168)=283-(556-500)=962+(833-599)=35+91=124-32×3=29+655-475=494-312-169=186+319-157=402×(676-668)=221-48-156=547×6=284+112=47+124+88=272+(436-301)=246×4+920=460+468+63=84+383-448=1/9+8/9=348-173-108=736-(727-368)=73×5=386+107=395-120=482-28×8=943-462=232+698+791=4/8+3/8=726×(738-729)=216-201+426=303-13×4=363-137-68=14×(270-265)=996+41+974=643-108×5=951-(443+331)=402-(11+285)=458-(107+238)=35+131=91+687-515=374×8=258×2+320=85+270-55=988+283+790=190×4-627=124+80×4=606+278=120+225+223=456×2-266=754-(840-576)=463-281-96=168×(561-558)=401-210+59=980-95×7=461-70×4=325×3+658=273-240+288=438-(99+138)=524+597-837=575×(577-571)=267+(398-36)=74×7=436-(296-13)=770-62×2=452+359-590=494-11×8=324+131=880-(678-581)=759-(344+286)=506-429=3/8+5/8=317+79+19=106×7=250-24+66=133-17×3=254×8=493-(78+264)=739-(471-136)=239-(51+171)=70+122+152=466+(672-74)=784-668=719-178=59×2+696=227-17×7=120×(143-139)=961-662+78=266-173+213=49-14+382=451-(184-73)=596-(479-271)=411-(301-245)=40×5+212=464×2-474=428-261+108=257-47-136=665+540=52×6+807=331+595+495=978+715+499=819-98×8=105×8-403=519-247-219=367×6-671=191+301-243=114×3=789-126×5=414×2-381=891+172×2=59×7+171=685+(890-201)=213+38×6=213×(641-632)=493×5-249=3/4-1/4=616-(960-412)=229×4=819×(78-69)=328-11×5=733×2-218=485-(18+59)=372×6-941=535+(260-257)=767-123×2=64×8=272-245+244=751-210×2=378-(471-274)=94+(260-194)=979+(760-458)=784-647=831+776+590=552-145×3=251+51×6=936-214×2=762+667=335-(112-46)=740-371=133×4-368=521+478-80=442-90=813×(858-852)=950-(943-66)=2/8+5/8=79×3+152=104+131=919-356=369+275×2=767×(694-686)=980-(108+591)=2/6-1/6=455-361+327=848+(605-472)=50×5-118=792×5=169-71-79=123+372=231+63-36=165×5-533=3/8-2/8=419+(771-435)=86+411+442=58+120=912-348-193=332+(853-430)=485-308+255=495-306=465+244+219=97+192+366=900-471+323=308×9-333=99+287-267=397-190=808+536-930=55+276-154=749-561-125=395+73×3=294-55-23=890-(956-67)=876×(766-760)=398-383=294×(593-585)=191-38+337=43×6=459-(115+67)=419+(495-124)=125+154-119=672-(354+163)=162+148=485-(43+20)=166-(352-240)=508+198=413-219=251-99=100+327+525=766-(553+38)=44×3=14×(441-433)=91+372=79+(139-107)=2/5-1/5=982-315-67=988+435×2=432-(370-206)=224+94=360+101-426=786+369+889=500-89-383=1/6+3/6=104×3-250=60+336-345=620-331+91=124-54×2=707-117-518=821×(142-136)=625×8-79=320+164=460-63-53=941+418=754+(360-139)=438-(63+31)=448-86=559×3=961×4=235×8=927-(490+433)=816-(122+617)=273-21×9=471+(163-88)=625-26-533=410-220-157=258-53+22=784+454=758-195×2=449-(312-146)=191+103-200=336×6=101×7-100=182×4+562=362+343=218+37-66=770-194=389-104×3=913-853+888=140+(957-221)=382+122+442=513×3=733+828-141=273×2=340×8-58=31×(515-510)=282×9=311×2=786+784+500=289+(842-669)=335-37×8=109×8=177+39+312=5/8+2/8=839-221+98=73+144×5=828-327+765=2/6+3/6=606+(746-669)=864-90×7=261+261+25=498+218=65×9-239=209×3=363×6-736=397×2-352=263+183=99×9-17=972-(315+613)=215-14×7=317+97=78+(925-69)=758-699+457=379-(705-570)=747×2-799=324-222=598-(436+31)=254-42-10=617-252+719=356-(75+254)=549+428-285=317+(427-122)=223-180+394=262+307+707=338-107=424-241=39×(295-290)=196-(51+21)=78-28×2=819+39-670=42+842-388=100×(29-26)=參考答案105+734+154=993975-112×5=415986×(247-240)=6902930-(235+693)=2893+(634-220)=1307528-406=122834+168+870=1872386-325+124=185529-(258+262)=9439-(734-726)=431153-101+50=1023/9+6/9=1605×9=5445994-(676-153)=47184×3-48=20458×6=348202×9-157=1661353×2=706436+20-60=396358-58=300223+403+204=830127-(333-273)=67729+28+53=810259-133-57=6976+338+387=80156×(219-210)=504835-297×2=241298-53×4=86194+836=1030384+(378-207)=555908-745=163939×9=845115×9+101=236455×6-772=1958152-(148-132)=136212-(191-186)=207340-(211+43)=8613×2+47=73958+196-272=88298×(255-250)=4903/8-1/8=2/899+295=394655-593+441=503198×8-167=1417600-336+817=1081914-(926-272)=2602/3-1/3=1/3665×(576-568)=5320345+85=430884+(372-346)=910749-(882-153)=20342+59-357=44426-297+178=307494×9-218=4228926-(33+856)=37450-(212+78)=160744+(559-75)=122866×7+811=1273311-20×3=251379+(466-104)=741355+54×4=571443-(168+65)=210148+(264-211)=201958-(493+119)=346373-(494-197)=76305×(241-238)=915372+451×2=1274447-138-259=50213+132=345439+175+173=787470×(520-511)=4230937+708+933=2578327-14×4=271495-(392-315)=418930+37×6=1152246-19×8=94219+138-72=285235+473-492=216900-160-159=581283-243+330=370316×3+298=1246309-98-188=2364×(226-218)=512107×(157-153)=428981-665+212=528867+408-990=28554+994-340=708183-(342-287)=128335-10-82=243272+140-405=783×(316-308)=664388+91=479832-444+695=1083331+(805-465)=671915+(837-515)=1237126+(438-123)=441337-(109+186)=42994-692+217=519101+546+43=690337×3-800=211363-(26+208)=129341+886+366=1593300+140=44050+(381-272)=15952+100=152817-98=719237×8-905=991465-114-63=288702-567+756=891231+395=626208+(310-266)=252521×(148-144)=2084213+342=555159+479+132=770343+(410-397)=356857×8=6856328-(87+68)=173434-374-13=4752+233=285989-584=4051/8+5/8=6/839+226×2=491896-(879-403)=420463-(98+38)=327130+(760-400)=490169×(391-384)=1183985+(571-185)=1371587-463+457=581456+34+483=973925+482+645=2052198×(215-212)=594331-20-26=285161×5-232=573232×2+597=1061464-417=4783+30=113206+839=1045226-15×8=106986-413-509=6436×4=144625-(493+18)=114181×3=543993-865-115=13496-226=270741-642=99476-56=420861+286-631=516199+165×2=529191+202=39363×8-33=471222×(207-201)=1332982-617=365176-143+324=357931-380-174=377358-(96+106)=156418+(719-322)=815387-101×3=84282-(171-19)=130912-(366+174)=372348-298+77=127181+306=48727×(485-476)=243180×2+220=580230+(855-546)=539483×9=4347495-53×3=336762-(239+420)=103105×4=420426-(308+102)=16283×3-683=16679×(160-157)=237971-(959-704)=7161/6+5/6=1531×(454-447)=3717478-86×2=306499-31=468169+266=435733×4=2932203×2+260=66622×8+25=201106+564=670592+(703-315)=980334-171-38=12553×7-305=66423+180×3=963535+292=827647+108×4=107954×6+476=800184-25×7=9109×5+124=669282×(526-518)=2256447+911-995=36328×(460-457)=84133+243+319=695579-(135+422)=2267-(161-131)=37977-(830-285)=432280+27-89=218456×2=912296-(269-216)=24389×9-201=600289×8=2312196×4=784392-242=1504/8+2/8=6/890×(485-478)=630868-79×8=236130-(313-300)=1171/3+2/3=1192+294-227=259228+520-697=51353-106=247681×(372-366)=4086478-160-219=9915×(350-346)=60117-52×2=13331+(857-680)=50855×5=275839×(641-634)=5873249+97-116=23079+329=408232-(692-631)=171232+77=309389-92-219=78498-453+425=470438-(236+54)=1485/7-1/7=4/7149+525+265=939203+284×2=771252-163-30=59243×3-142=587459+674+60=1193226-(422-201)=5574-143+349=78091×4+213=577239+47+518=80485×(272-266)=510367+71×2=509238×(157-150)=1666848×(856-853)=2544489+(398-215)=672964-178×4=252404-181=223199-169=30121×5+24=629252×2=504450+318=768175+169×3=682926-(356+490)=80245+(439-108)=576327×2=654289-12=277230+(281-47)=464313+120-219=214112×5=560685-(684-533)=534110-18×3=56459+556+50=1065213×(632-626)=1278182+101-266=17452-(441-183)=194819+266=1085989-234-637=11847+405-322=130598+954=1552862+193+670=1725301-(345-342)=298453-103-125=225212+308=520102×9-539=379386×8=3088314-62+184=436370+(457-182)=645206+(407-326)=287101×9-157=752814-619+726=921500+422+402=1324319-59+134=394164×7-146=1002266-32×7=42510+778-549=739750-(134+353)=263262-72=190995-(410-331)=916708+657+741=2106466-(293+18)=155342×2=684243×(370-365)=1215295+(488-278)=505360-51×4=156384-126+211=469353-(452-450)=351204+852-676=380983-837-92=54724-(814-155)=65997×2=1994141+281=422871+978+143=1992938-479-278=181889-212+900=1577374-126-46=202914×6=5484169×4-33=643451-106=34556+61×4=300456+130+308=894490-(240+79)=171101+371=47253×5+908=1173525-385+895=103550×3+367=517184-64=120112×(64-56)=896284-30-24=230376+284+247=907125×(333-326)=875287+114-13=38849×3+410=557443-(35+214)=194981-402-96=483411-56×3=2433/6-2/6=1/6480×2-140=820437-74×4=141491-259-63=169540-268-205=67478+(459-206)=731728-(229+299)=200635-575-44=16459-226=233696-(73+432)=191485×7-736=2659280-10×5=23050×4+39=239110-95+327=342352-310+93=135974+194×2=1362474-222+264=516480-340=140946×2=1892162-(334-299)=127870×3=2610479-56=423123×4=49226×8+158=366613-217=396363×2-418=308337-181+312=468190×3+35=605439×(846-839)=3073206×(311-308)=618424+350+269=1043289+186-335=140252+197-59=390932-(126-80)=886883-264-148=471257-(17+192)=48114×8-414=498211×4=844548-181=367455-281-154=20152-(497-378)=33184-(105+46)=334/6-2/6=2/6166+36×5=346388-(127+21)=240288+464+183=935445-(146+265)=34403-48×5=163447-183+179=443178-(421-250)=75/9-3/9=2/964×(288-283)=320476-182=294501×6-363=2643108×7-275=481273-(230-119)=162123+383×2=889465-84=381447-316+289=420443-79×5=48209×(352-348)=83665+355=420443+220-47=616370-(433-207)=144549×9=4941102+(604-386)=320473×(848-845)=1419786-356+870=1300165×4-513=147482×7-632=2742132+182×3=678263-(358-357)=26280×(494-487)=560269-82-124=63441-136-184=121284+(476-16)=744647-35×7=402361+284+294=939472+544+333=134923+708-153=578984+441-136=1289347-(398-104)=53282+710=992993-437+478=1034547+(763-554)=756872-580=292259+176=435352+127+179=6584/7-2/7=2/7556-31-252=273445×2=890843-99-553=191464+49×6=758916-120=79658+(355-93)=320457-188=269702+775-156=1321471-(224-50)=297978-99-691=18826×(155-152)=78666-28×6=498305-39×3=188278×3-825=9437+314=75153+(311-259)=105359+853-864=348539+165=704112-60+431=48333×9=297602×6-406=3206737-19=718372-94×2=184741×(180-172)=5928979-191-147=641123+361-127=35745×3=135367-247+340=460380-14=366645×6=3870524-140=384491-47=444783+511+507=1801782-757+562=587575-305=270851-(366+53)=432560-(122+113)=325282+143=425114×7-397=401180+(255-75)=36044×9=396664-13-53=598976-(582-208)=602320-(419-193)=94918-115-665=138355×9-748=2447134+29×7=337212+100×3=512299-88×3=3580×5=400295+96+588=979424+840-88=1176970-459=511482-247=235897-797=100388-178-77=133193×(295-290)=965216+137+83=436523+29+276=828129+298-399=28500-(198+83)=219908-728-172=8341-86-238=17289×3-510=357128×7+43=939942-(558+272)=112761×5-763=3042497-101+10=406608+306-438=476247-127+451=571360-204=156115×(345-341)=460827-71-541=21571×6-199=227953+(644-286)=1311247+(165-16)=396628+302+576=1506846-(49+89)=708365+(213-104)=474645+318+703=166618+(100-32)=86585+(715-684)=616161-(98-27)=9037×7+198=457423-(149+126)=14893+46-46=93124+760+119=1003787-488+333=632833×9=7497356-(271-143)=228306-55=25189×(443-434)=801384-(76+59)=249318-23=295298+126-361=63677×9-839=5254247+199=446290×4=1160908×(54-49)=4540376+(326-324)=378504-(750-490)=244574+164=738436-(151+68)=217474-(127+175)=172316+140-196=260350-(238-223)=33538+766-627=177660+133=793688+164+112=964838-803+67=10233×4=132913-117-428=368980-132×7=56663×5=3315301-45×4=12198×8=784500-129×2=242131×5=655241+58=299562-56×9=5873+393=466877-123×6=139784-(231+426)=127752-(464-285)=573309+170=479708-258×2=19247+982+791=1820828+559-739=648475-80×3=235427+121×4=911483-(213+231)=39341+106×5=871188×4-306=446860-284-366=210355-155×2=45566-376+466=656288+78+263=629251+215=466361+143×4=933204×(315-311)=816219-28+263=454756×3-481=1787141×4+300=864381×8-578=2470757×7-724=4575223-148=7511+109+474=594398+83-83=39849+187×5=9844/6-1/6=3/6470+(421-54)=837371+(440-115)=696795-427-265=103432-(84-41)=389103+(327-175)=255286×3-516=342307+159-48=418477-163+150=464326×(171-168)=978283-(556-500)=227962+(833-599)=119635+91=126124-32×3=2829+655-475=209494-312-169=13186+319-157=348402×(676-668)=3216221-48-156=17547×6=3282284+112=39647+124+88=259272+(436-301)=407246×4+920=1904460+468+63=99184+383-448=191/9+8/9=1348-173-108=67736-(727-368)=37773×5=365386+107=493395-120=275482-28×8=258943-462=481232+698+791=17214/8+3/8=7/8726×(738-729)=6534216-201+426=441303-13×4=251363-137-68=15814×(270-265)=70996+41+974=2011643-108×5=103951-(443+331)=177402-(11+285)=106458-(107+238)=11335+131=16691+687-515=263374×8=2992258×2+320=83685+270-55=300988+283+790=2061190×4-627=133124+80×4=444606+278=884120+225+223=568456×2-266=646754-(840-576)=490463-281-96=86168×(561-558)=504401-210+59=250980-95×7=315461-70×4=181325×3+658=1633273-240+288=321438-(99+138)=201524+597-837=284575×(577-571)=3450267+(398-36)=62974×7=518436-(296-13)=153770-62×2=646452+359-590=221494-11×8=406324+131=455880-(678-581)=783759-(344+286)=129506-429=773/8+5/8=1317+79+19=415106×7=742250-24+66=292133-17×3=82254×8=2032493-(78+264)=151739-(471-136)=404239-(51+171)=1770+122+152=344466+(672-74)=1064784-668=116719-178=54159×2+696=814227-17×7=108120×(143-139)=480961-662+78=377266-173+213=30649-14+382=417451-(184-73)=340596-(479-271)=388411-(301-245)=35540×5+212=412464×2-474=454428-261+108=275257-47-136=74665+540=120552×6+807=1119331+595+495=1421978+715+499=2192819-98×8=35105×8-403=437519-247-219=53367×6-671=1531191+301-243=249114×3=342789-126×5=159414×2-381=447891+172×2=123559×7+171=584685+(890-201)=1374213+38×6=441213×(641-632)=1917493×5-249=22163/4-1/4=2/4616-(960-412)=68229×4=916819×(78-69)=7371328-11×5=273733×2-218=1248485-(18+59)=408372×6-941=1291535+(260-257)=538767-123×2=52164×8=512272-245+244=271751-210×2=331378-(471-274)=18194+(260-194)=160979+(760-458)=1281784-647=137831+776+590=2197552-145×3=117251+51×6=557936-214×2=508762+667=1429335-(112-46)=269740-371=369133×4-368=164521+478-80=