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

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦224+(493-133)=258-(588-512)=401×(803-799)=419-94+429=433-(171-108)=288+69=5/8-1/8=166+573-335=189+(865-700)=461-14-221=352-320+404=374-154-116=317+154-279=6/8+2/8=54×(321-313)=894-857+647=82×7+364=400×3=104×9-782=207×4+428=477+10-393=790+118×2=714-162×2=353-35-205=915×7=565-(235+197)=238×(998-990)=291+456+141=452-(33+231)=518×6=104×9=762-(127+376)=171+(90-34)=475-46-209=225+(44-43)=979-377×2=436-343+459=491-(54+248)=464+159=93-(63+18)=887+(502-402)=191+55=230-(198-10)=488-(289+117)=430×8=67+577-556=380-319=258-86-111=390+(465-367)=564×8=133×4+39=105+221=8/10-2/10=737×5-176=25×7-108=251-(464-391)=309+235×2=763-650=121+377=223×7=99×6=109×(284-278)=331×(491-488)=492-101×4=147×3=619+135+55=928×(639-636)=388+(439-21)=47+43=123+808-304=867-(474+318)=2/4-1/4=3/7-1/7=664+551-378=570+(504-500)=438+(282-154)=698+196+615=306-63=155+(478-249)=445+136=467+196+215=492-48×2=924-279×3=371+(473-172)=961-718=549+95=253+644+709=664-(20+338)=402-385+258=446+175×4=998+538=756×3-690=756-72×4=415-67×4=197×(24-19)=907-49+826=361-(62+193)=483-76=163+69=658+(400-143)=704-339×2=741+625+313=382-(434-238)=379+101-220=656-249×2=383-100×2=937+(812-203)=227-(124-11)=68+96-31=103×(445-442)=339-85+166=118+623+719=907-(956-678)=117×8+580=79+114+247=407+111×2=404-(459-133)=252-122+143=53+366+546=457+(334-269)=480-(57+356)=128×(449-445)=277+(341-58)=221-64-123=482×2-473=855-(682-548)=13×6=215×(354-348)=540-253=867+(731-309)=160-41×3=186×9=674-191×2=60+(702-88)=386-127-247=418-10-215=380+144+53=450-(394+27)=395-253+146=418-23×3=70×(56-50)=171+444=733-97×6=868-(689-267)=180×2=692-41×6=228-199+349=359+125=785-25+778=279+(375-84)=283-217=13+342-158=624-221=75×6+241=203-142-29=803-448=243-30×7=319+43-312=814-20-182=585×8-101=15×(369-362)=430-107=601×9=991-255=952-336-454=430-(802-441)=904-(888-94)=847-47-205=262×3-334=497-48+622=85+15=396×(441-436)=200×5-890=223-208=477×2-686=87×(43-39)=205×7-763=41+374-85=251-(147-138)=564×5-711=10×9+424=477×(100-91)=885-(449+170)=356+141×2=839×6=441-(335+73)=3/7+2/7=381-362+402=147×6+677=41-14×2=333+(33-15)=758×(250-241)=642-101×6=770×3-976=971×(641-638)=229×(358-354)=63+368-328=392×2+320=446×2=353+(497-322)=455-(390+20)=358+83-88=304×2+339=694×6-473=71+72×6=166-(490-399)=633+363-346=330-(124+91)=86-18=839-46×6=220-29+621=15+547+434=168+292+906=441-260+820=208×5-935=462-(480-181)=208-124+388=358+141-392=284-10-128=211×4-559=521×(83-77)=257×8=536×(774-770)=55+153=398+402+71=482+405-52=231-29×5=362+100-117=569+438=493-424=811-236+848=498-69×3=699-596+948=689-670+783=390×2-182=334-(420-344)=60×3=903×8=135+80=342+(470-445)=3/8+2/8=469+(197-18)=738×9=477×2-455=82+202-197=735-(961-258)=601-384-101=337+335=57+76+305=740×(492-487)=322+716-975=736+(776-236)=921-36+129=30×4=672+(655-399)=70×(254-245)=453+87×3=375+(499-307)=198×3-239=775-145+709=123+280+240=92×5+293=492-265+188=105×6+347=71+225-90=536×(612-605)=602-59×9=123-46=90+271+124=279×3-526=43+(469-267)=504-346=379-336=25×2+210=201+75=958-682-41=258+624=392+571+442=107+325+162=189-39=926×(466-463)=714-(300+53)=142-(201-147)=404+946-128=99×7=744+97+131=188-128-13=416-211+214=812-512-174=392-98-186=632-157-432=259-25×7=147×5=130×5+340=385×2=146×2=306-57×4=298+(428-317)=4/9-1/9=678-236×2=470×2-825=899+139+718=265+616=33+58×4=626+(971-949)=601-121×3=223+143×4=142-20×7=364×2-583=741-424=405+418=728-709=152+471+262=660-142-510=416×5-105=92+936-369=804×7-593=246+184×2=232×(342-339)=253+213+17=34-11×2=251-(455-415)=988-(846+91)=870×8=456+(262-189)=56+(354-344)=142+628=348+59+150=887-(948-551)=330-(99-34)=759-10+113=169×5-673=741-(493-474)=694-(284+216)=43×9-325=322+77=473×2-76=38+666-325=760-(465-284)=131+234=855-(59+85)=916-(661+153)=579+80+976=4/7-2/7=980-426-412=452-66×2=2/8-1/8=910-465=273+98=363-(173-33)=2/7+5/7=305-(121+162)=805+577+524=485-(621-150)=66-53+132=230×(609-606)=986-(671+147)=1/4+2/4=572-196-349=922-(301+251)=440-107=154×3-73=500×9=228+193=296+309+225=841-372-368=103+53=238-134=356×2=30+195+118=292-(16+65)=849-536+282=414×4=15+(945-543)=990-624=576+571-778=884+93×7=186-(133+28)=162-65+327=837-(30+212)=260+877-211=152-(425-279)=486×7=753×2-865=219-172+428=497-39-134=224-(87+66)=488-200×2=263×(180-177)=615-(133+302)=216+165×2=804×2=84×(162-158)=196+(946-858)=48+114×7=812×(832-826)=340-315+90=138+297+563=111×9=765×6-274=278+(700-330)=437×9-825=171-147+419=784×5-459=217×4=679+402+220=4/7-3/7=321-39=860-348×2=775×(851-843)=123+215=333×3=193+286-465=741+(865-354)=210+(107-43)=519+131-547=285+121-80=314+113=91+(490-305)=975-719=34×(333-328)=157+233×4=684-(207+402)=901-(419-47)=779+766+635=404+51+82=226×3-164=793×8-987=949-(457+479)=376+662-840=288+129=320-(260-163)=282+679=39+(471-146)=314-33×3=956-848=253+222-21=177+149=21×3+989=620×7=25×8+400=949-660=452-(18+26)=375-350=491-(945-652)=491-249+196=174×(356-353)=926+294+870=848-122-538=146×(467-462)=143×5+332=317-(449-309)=918-(682+195)=495-(359+99)=131×5-537=89-33=241×3+882=647+(229-113)=169×(65-60)=279-(407-293)=107×9-811=713×2-814=464+796-681=326-82=968+246-991=111+125+736=345-129-125=655+488×2=102×(161-152)=615+704+88=141×7-828=103×(246-241)=106×8-474=301+42×8=280×(560-553)=943-(738-563)=511+861+17=52×(210-206)=423+68-113=6/8-1/8=844×8=336-275=440+(696-179)=889-313-528=348+(644-404)=514+(952-75)=443-(290+93)=187×2+363=742-(959-349)=161-21×7=220-(367-282)=316-12=659-586+267=610-(394-49)=619-215+193=65+780-843=712-538=374-135+173=465-122×2=298+162=578-(790-727)=96×8=277×3=58+(992-912)=253×(816-807)=480-(395+47)=162+136+309=386-338-20=255-30×4=114×7=56×(364-360)=388+11×8=274+22-185=560×2=676-617=467-179-265=463-39=297+145-357=713×6-649=832+334+634=823×(552-545)=474×7=223+258×2=745-196×3=473-104×3=692+232=92×5-412=634-57×2=486-160+158=345+101=353-13×9=486-(22+436)=548+(387-159)=875-(888-206)=343-163+33=300+45-295=415-(11+115)=313-12=277-96+185=77×(151-142)=356-225-66=408-(974-583)=539-83-342=573×9=182×(31-26)=361-70-232=921-(155+423)=528-112+561=590+263-560=421-56×2=767-752+391=989-814=366-(22+219)=809-128×4=69+249=357-(149+71)=29×6-85=187+209=215+139=688+88+741=290-(147-133)=237×2-337=261-10=415-(366+49)=23×9=261×(416-413)=473×(187-179)=865+445+219=11×7+459=428-(144+160)=331-77+63=128+299-65=947-283+209=344-(315-181)=1/5+2/5=653-(378-353)=80+377×2=616-202-383=54+490+481=438-(53+366)=973+696+415=343-296+222=202+175=192+401+156=173×(87-83)=229×4-758=312+145-294=152+139=281-188+374=180-80×2=16+15=577-(296+175)=404+40-211=716-(184+252)=767-645-79=638×2-80=4/6-1/6=431×(345-340)=266×(269-265)=703×8-562=246×3-565=661+997+860=223+(298-270)=557×(803-800)=83×9-332=166×6-756=366-(653-365)=793-153×4=443-137-122=213-16-93=261×(440-436)=785-331=86+247=953+544=35×6+314=392-(25+234)=232+(712-86)=48×8-232=412+49+215=975-481-463=573+302+91=385+192+315=824-88×5=679-(287+375)=434-249-78=272+32×5=504+145=548×7-447=275+159=45×(107-101)=684-85+308=243+(480-34)=67×(322-314)=887-113-630=493-89×3=959-786=304+202=963+317-888=981-(531-457)=558-(664-428)=2/3-1/3=449-310+300=307-205+263=393-130=87+(336-166)=973-(91+121)=683-(630+22)=212+272×3=632-304+350=828+(730-625)=329-(648-342)=1/10+3/10=291-(209-124)=908×4=173×(231-226)=199-46×4=103+(301-157)=5/9+3/9=485-(18+418)=358-154=31-(176-151)=471+600-231=47×3=908-184-213=259-(50+61)=440-(289-222)=579+357-889=450+(418-177)=361-40×3=866+410=348-(447-383)=690-269-232=374+(423-422)=486-(372-122)=244+(762-371)=983-(385+360)=229-129=392+75×8=63×2+637=398-65×6=410-(18+150)=884-622-209=894-551=476-372-62=837-(294+276)=55×7+78=212+236=247-203=379-(360-110)=717-133-286=120-(111-100)=461-80=751-627+525=282-15×6=459-214-208=443-(393-286)=380-35-191=374+(424-335)=113-75=5/8+2/8=787-315=470×2=207+27+484=246+711+522=972-(33+735)=535+80×3=868-(37+220)=509+12+316=667-131×3=62-35=466-305+232=24+434+511=965-(944-842)=66+262=35×8=115-69-45=474×(753-749)=494×4-234=717-346+553=30×6=509×7-854=728-342=101+227=357+897+55=733+551+770=576-78×7=248×2-314=32+189×2=491-435=976×4=472+59×5=442+995-150=179+161-68=285-159=436-37×6=420-217=900×3-66=470-240-90=151+269=391×3-441=191-97-35=15+(178-11)=80×2+315=464+47+312=159×4=42+208=443×2-872=64×9+892=84-15×4=678-109×5=53×5+119=469+983-736=208+114=907-74=908+765+983=46×5+91=320-125×2=273×2+122=488-(183-155)=166×4-129=301-150-100=43+894-278=159+779=577-63-422=248+416=941-547-126=107×4=368×2-174=77×3=260-87-11=573×7=197+50+599=892×5=232+131+172=287+121-115=902-(791-102)=697×(953-947)=278+(668-227)=134+281×2=177×(882-873)=407-104-86=614+89×5=108+421+309=198+30-69=271-39-119=116×(327-320)=3/10+4/10=240+31-257=396-67-243=446-(392-115)=726-366=753+(753-375)=896-352×2=169-31+550=27×9=104+(479-277)=116×7=306-213+400=76+356-308=995-(368+442)=953-694=660+970=207-147+436=100×(101-94)=495-468+300=823×3-478=802+450-757=753-589+76=4/7+2/7=430+798=866-104=227-18×3=183×9-960=201-170=176×3+730=520-472+595=382-(362+13)=129-84=441-103×4=725-(180+266)=707+(590-184)=50+832-247=498-129-128=277+34-202=355+110=17+88×6=632-(297-280)=117×3=291+821-870=968-11-923=824+229-373=73+227=63×4+354=3/4-1/4=139+659=204×2+82=49×5=406-(75+67)=90-16+376=107×3=113+197-102=178×6=214+(252-48)=79×(372-364)=451×(36-27)=473-213-205=444-93-149=117-43+48=71-20×2=966-891+609=1/4+3/4=378-(435-148)=976-613+915=166+56+36=975×9=690+109×5=87+(33-28)=24+327+195=423+933-860=86+414-24=764-(663-277)=133+106×6=391-37×9=103+309+702=參考答案224+(493-133)=584258-(588-512)=182401×(803-799)=1604419-94+429=754433-(171-108)=370288+69=3575/8-1/8=4/8166+573-335=404189+(865-700)=354461-14-221=226352-320+404=436374-154-116=104317+154-279=1926/8+2/8=154×(321-313)=432894-857+647=68482×7+364=938400×3=1200104×9-782=154207×4+428=1256477+10-393=94790+118×2=1026714-162×2=390353-35-205=113915×7=6405565-(235+197)=133238×(998-990)=1904291+456+141=888452-(33+231)=188518×6=3108104×9=936762-(127+376)=259171+(90-34)=227475-46-209=220225+(44-43)=226979-377×2=225436-343+459=552491-(54+248)=189464+159=62393-(63+18)=12887+(502-402)=987191+55=246230-(198-10)=42488-(289+117)=82430×8=344067+577-556=88380-319=61258-86-111=61390+(465-367)=488564×8=4512133×4+39=571105+221=3268/10-2/10=6/10737×5-176=350925×7-108=67251-(464-391)=178309+235×2=779763-650=113121+377=498223×7=156199×6=594109×(284-278)=654331×(491-488)=993492-101×4=88147×3=441619+135+55=809928×(639-636)=2784388+(439-21)=80647+43=90123+808-304=627867-(474+318)=752/4-1/4=1/43/7-1/7=2/7664+551-378=837570+(504-500)=574438+(282-154)=566698+196+615=1509306-63=243155+(478-249)=384445+136=581467+196+215=878492-48×2=396924-279×3=87371+(473-172)=672961-718=243549+95=644253+644+709=1606664-(20+338)=306402-385+258=275446+175×4=1146998+538=1536756×3-690=1578756-72×4=468415-67×4=147197×(24-19)=985907-49+826=1684361-(62+193)=106483-76=407163+69=232658+(400-143)=915704-339×2=26741+625+313=1679382-(434-238)=186379+101-220=260656-249×2=158383-100×2=183937+(812-203)=1546227-(124-11)=11468+96-31=133103×(445-442)=309339-85+166=420118+623+719=1460907-(956-678)=629117×8+580=151679+114+247=440407+111×2=629404-(459-133)=78252-122+143=27353+366+546=965457+(334-269)=522480-(57+356)=67128×(449-445)=512277+(341-58)=560221-64-123=34482×2-473=491855-(682-548)=72113×6=78215×(354-348)=1290540-253=287867+(731-309)=1289160-41×3=37186×9=1674674-191×2=29260+(702-88)=674386-127-247=12418-10-215=193380+144+53=577450-(394+27)=29395-253+146=288418-23×3=34970×(56-50)=420171+444=615733-97×6=151868-(689-267)=446180×2=360692-41×6=446228-199+349=378359+125=484785-25+778=1538279+(375-84)=570283-217=6613+342-158=197624-221=40375×6+241=691203-142-29=32803-448=355243-30×7=33319+43-312=50814-20-182=612585×8-101=457915×(369-362)=105430-107=323601×9=5409991-255=736952-336-454=162430-(802-441)=69904-(888-94)=110847-47-205=595262×3-334=452497-48+622=107185+15=100396×(441-436)=1980200×5-890=110223-208=15477×2-686=26887×(43-39)=348205×7-763=67241+374-85=330251-(147-138)=242564×5-711=210910×9+424=514477×(100-91)=4293885-(449+170)=266356+141×2=638839×6=5034441-(335+73)=333/7+2/7=5/7381-362+402=421147×6+677=155941-14×2=13333+(33-15)=351758×(250-241)=6822642-101×6=36770×3-976=1334971×(641-638)=2913229×(358-354)=91663+368-328=103392×2+320=1104446×2=892353+(497-322)=528455-(390+20)=45358+83-88=353304×2+339=947694×6-473=369171+72×6=503166-(490-399)=75633+363-346=650330-(124+91)=11586-18=68839-46×6=563220-29+621=81215+547+434=996168+292+906=1366441-260+820=1001208×5-935=105462-(480-181)=163208-124+388=472358+141-392=107284-10-128=146211×4-559=285521×(83-77)=3126257×8=2056536×(774-770)=214455+153=208398+402+71=871482+405-52=835231-29×5=86362+100-117=345569+438=1007493-424=69811-236+848=1423498-69×3=291699-596+948=1051689-670+783=802390×2-182=598334-(420-344)=25860×3=180903×8=7224135+80=215342+(470-445)=3673/8+2/8=5/8469+(197-18)=648738×9=6642477×2-455=49982+202-197=87735-(961-258)=32601-384-101=116337+335=67257+76+305=438740×(492-487)=3700322+716-975=63736+(776-236)=1276921-36+129=101430×4=120672+(655-399)=92870×(254-245)=630453+87×3=714375+(499-307)=567198×3-239=355775-145+709=1339123+280+240=64392×5+293=753492-265+188=415105×6+347=97771+225-90=206536×(612-605)=3752602-59×9=71123-46=7790+271+124=485279×3-526=31143+(469-267)=245504-346=158379-336=4325×2+210=260201+75=276958-682-41=235258+624=882392+571+442=1405107+325+162=594189-39=150926×(466-463)=2778714-(300+53)=361142-(201-147)=88404+946-128=122299×7=693744+97+131=972188-128-13=47416-211+214=419812-512-174=126392-98-186=108632-157-432=43259-25×7=84147×5=735130×5+340=990385×2=770146×2=292306-57×4=78298+(428-317)=4094/9-1/9=3/9678-236×2=206470×2-825=115899+139+718=1756265+616=88133+58×4=265626+(971-949)=648601-121×3=238223+143×4=795142-20×7=2364×2-583=145741-424=317405+418=823728-709=19152+471+262=885660-142-510=8416×5-105=197592+936-369=659804×7-593=5035246+184×2=614232×(342-339)=696253+213+17=48334-11×2=12251-(455-415)=211988-(846+91)=51870×8=6960456+(262-189)=52956+(354-344)=66142+628=770348+59+150=557887-(948-551)=490330-(99-34)=265759-10+113=862169×5-673=172741-(493-474)=722694-(284+216)=19443×9-325=62322+77=399473×2-76=87038+666-325=379760-(465-284)=579131+234=365855-(59+85)=711916-(661+153)=102579+80+976=16354/7-2/7=2/7980-426-412=142452-66×2=3202/8-1/8=1/8910-465=445273+98=371363-(173-33)=2232/7+5/7=1305-(121+162)=22805+577+524=1906485-(621-150)=1466-53+132=145230×(609-606)=690986-(671+147)=1681/4+2/4=3/4572-196-349=27922-(301+251)=370440-107=333154×3-73=389500×9=4500228+193=421296+309+225=830841-372-368=101103+53=156238-134=104356×2=71230+195+118=343292-(16+65)=211849-536+282=595414×4=165615+(945-543)=417990-624=366576+571-778=369884+93×7=1535186-(133+28)=25162-65+327=424837-(30+212)=595260+877-211=926152-(425-279)=6486×7=3402753×2-865=641219-172+428=475497-39-134=324224-(87+66)=71488-200×2=88263×(180-177)=789615-(133+302)=180216+165×2=546804×2=160884×(162-158)=336196+(946-858)=28448+114×7=846812×(832-826)=4872340-315+90=115138+297+563=998111×9=999765×6-274=4316278+(700-330)=648437×9-825=3108171-147+419=443784×5-459=3461217×4=868679+402+220=13014/7-3/7=1/7321-39=282860-348×2=164775×(851-843)=6200123+215=338333×3=999193+286-465=14741+(865-354)=1252210+(107-43)=274519+131-547=103285+121-80=326314+113=42791+(490-305)=276975-719=25634×(333-328)=170157+233×4=1089684-(207+402)=75901-(419-47)=529779+766+635=2180404+51+82=537226×3-164=514793×8-987=5357949-(457+479)=13376+662-840=198288+129=417320-(260-163)=223282+679=96139+(471-146)=364314-33×3=215956-848=108253+222-21=454177+149=32621×3+989=1052620×7=434025×8+400=600949-660=289452-(18+26)=408375-350=25491-(945-652)=198491-249+196=438174×(356-353)=522926+294+870=2090848-122-538=188146×(467-462)=730143×5+332=1047317-(449-309)=177918-(682+195)=41495-(359+99)=37131×5-537=11889-33=56241×3+882=1605647+(229-113)=763169×(65-60)=845279-(407-293)=165107×9-811=152713×2-814=612464+796-681=579326-82=244968+246-991=223111+125+736=972345-129-125=91655+488×2=1631102×(161-152)=918615+704+88=1407141×7-828=159103×(246-241)=515106×8-474=374301+42×8=637280×(560-553)=1960943-(738-563)=768511+861+17=138952×(210-206)=208423+68-113=3786/8-1/8=5/8844×8=6752336-275=61440+(696-179)=957889-313-528=48348+(644-404)=588514+(952-75)=1391443-(290+93)=60187×2+363=737742-(959-349)=132161-21×7=14220-(367-282)=135316-12=304659-586+267=340610-(394-49)=265619-215+193=59765+780-843=2712-538=174374-135+173=412465-122×2=221298+162=460578-(790-727)=51596×8=768277×3=83158+(992-912)=138253×(816-807)=2277480-(395+47)=38162+136+309=607386-338-20=28255-30×4=135114×7=79856×(364-360)=224388+11×8=476274+22-185=111560×2=1120676-617=59467-179-265=23463-39=424297+145-357=85713×6-649=3629832+334+634=1800823×(552-545)=5761474×7=3318223+258×2=739745-196×3=157473-104×3=161692+232=92492×5-412=48634-57×2=520486-160+158=484345+101=446353-13×9=236486-(22+436)=28548+(387-159)=776875-(888-206)=193343-163+33=213300+45-295=50415-(11+115)=289313-12=301277-96+185=36677×(151-142)=693356-225-66=65408-(974-583)=17539-83-342=114573×9=5157182×(31-26)=910361-70-232=59921-(155+423)=343528-112+561=977590+263-560=293421-56×2=309767-752+391=406989-814=175366-(22+219)=125809-128×4=29769+249=318357-(149+71)=13729×6-85=89187+209=396215+139=354688+88+741=1517290-(147-133)=276237×2-337=137261-10=251415-(366+49)=023×9=207261×(416-413)=783473×(187-179)=3784865+445+219=152911×7+459=536428-(144+160)=124331-77+63=317128+299-65=362947-283+209=873344-(315-181)=2101/5+2/5=3/5653-(378-353)=62880+377×2=834616-202-383=3154+490+481=1025438-(53+366)=19973+696+415=2084343-296+222=269202+175=377192+401+156=749173×(87-83)=692229×4-758=158312+145-294=163152+139=291281-188+374=467180-80×2=2016+15=31577-(296+175)=106404+40-211=233716-(184+252)=280767-645-79=43638×2-80=11964/6-1/6=3/6431×(345-340)=2155266×(269-265)=1064703×8-562=5062246×3-565=173661+997+860=2518223+(298-270)=251557×(803-800)=167183×9-332=415166×6-756=240366-(653-365)=78793-153×4=181443-137-122=184213-16-93=104261×(440-436)=1044785-331=45486+247=333953+544=149735×6+314=524392-(25+234)=133232+(712-86)=85848×8-232=152412+49+215=676975-481-463=31573+302+91=966385+192+315=892824-88×5=384679-(287+375)=17434-249-78=107272+32×5=432504+145=649548×7-447=3389275+159=43445×(107-101)=270684-85+308=907243+(480-34)=68967×(322-314)=536887-113-630=144493-89×3=226959-786=173304+202=506963+317-888=392981-(531-457)=907558-(664-428)=3222/3-1/3=1/3449-310+300=439307-205+263=365393-130=26387+(336-166)=257973-(91+121)=761683-(630+22)=31212+272×3=1028632-304+350=678828+(730-625)=933329-(648-342)=231/10+3/10=4/10291-(209-124)=206908×4=3632173×(231-226)=865199-46×4=15103+(301-157)=2475/9+3/9=8/9485-(18+418)=49358-154=20431-(176-151)=6471+600-231=84047×3=141908-184-213=511259-(50+61)=148440-(289-222)=373579+357-889=47450+(418-177)=691361-40×3=241866+410=1276348-(447-383)=284690-269-232=189374+(423-422)=375486-(372-122)=236244+(762-371)=635983-(385+360)=238229-129=100392+75×8=99263×2+637=763398-65×6=8410-(18+150)=242884-622-209=53894-551=343476-372-62=42837-(294+276)=26755×7+78=463212+236=448247-203=44379-(360-110)=129717-133-286=298120-(111-100)=109461-80=381751-627+525=649282-15×6=192459-214-208=37443-(393-286)=336380-35-191=154374+(424-335)=463113-75=385/8+2/8=7/8787-315=472470×2=940207+27+484=718246+711+522=1479972-