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25+101=13×(356-353)=63×8-240=40×8=870-454+353=470-171+171=280+113+161=654-283=276-17×9=103+145-237=484-88-383=222+74=278-158+266=153×3=379-28×7=426-(86+112)=110×(371-367)=437-21-415=198-60×2=239+66=309×2-214=648+96+644=24×5+230=196-(48+140)=48×5+209=480-14=129+229-26=22×9=391-(120+120)=829+798=773+178=183-127+317=983-46+776=376-50×5=436-414+150=91+125=977+(903-900)=162+82×7=76-29=984-(356+170)=2/3-1/3=494+(489-359)=413×8-884=965-875+630=73+145=520×5-493=841×7=199+141-74=76×9=647-485=236×(397-394)=463-(79+255)=103×7-583=460+428-777=648+265+855=8/9-1/9=209-17×9=2/4-1/4=463-(64+286)=3/5-1/5=330+80+367=254-163+324=114×8-617=702+962-944=372+62×4=189+43-129=764+186+885=330+120-130=354-162=303+83+95=380-30×7=608-278+16=539+388=245+88×2=363+10×5=77+730+139=3/6-2/6=467-249+189=961-474=455-243-113=464×2+230=65+358=237-(444-303)=833-(582-327)=215-99×2=74+246-22=72×8+270=401-114×2=443-20-73=268-191=224+90-123=98×(211-206)=480-(128+182)=49×6-247=315-(165+70)=978-319=455-(167-136)=549×2-382=447-(193+73)=247+102-217=10×7=814+74+988=156+(829-771)=990-(516+142)=295-48-237=879×(707-698)=754-596=487-356+208=393×(638-629)=955-442-177=408×8-673=811+176×5=403-285=75×8+334=240-103+153=231-188+284=330+(853-640)=405-(478-138)=845+146-141=423-45=712+768+942=366-327+454=599-(153+402)=977+420+57=461-(203+206)=707+330-85=236×2+898=66×4+401=806-531+581=417-335+186=118×7=961-(189+502)=373-(23+182)=314×3+983=679+280=102+201=298-204+382=208-16-45=894-825=681+17×5=755-401=375+(994-522)=142×7=58+94-62=78+51+772=716×8=4/8+2/8=861×8=105-(878-800)=809-(381+275)=56+956-185=21×2+75=3/10-1/10=452-(702-484)=391+317×3=243+126=881+510-680=447-91=387×8-673=877-83×6=736×6=861-363-80=432+(327-42)=69×5+793=389-(346-61)=976×(725-722)=108+(136-10)=553×9-933=42×6-231=411-367=161+91×3=68×7=406-52×5=767-24×5=218×4-470=529×3-384=498-18×7=85+43=621+156=394-105+208=513+206-657=764+(290-158)=655×(28-19)=27×2=5/8+2/8=19×2+11=962-(275+100)=177+153+521=826-(535+217)=856-676=768-47×2=259-(103-94)=278+29-37=441×2-671=683×(528-520)=134+167=698-629=162+20×6=417+42×8=423+852-788=490×4-104=366×2=424+30×8=771-(204+84)=446+317+63=793+37-215=319×2=257×(135-132)=233-(150+78)=385×(460-455)=670-(160+118)=297+(285-267)=453+566=390×3-299=30+(380-285)=268-253+101=147×(711-707)=559-138-48=983+763-389=419×2-376=212+139=547+(543-525)=28×3+263=259-(41+166)=835×(415-408)=334-69×3=948-60-682=499-360-98=4/6-1/6=191×3+77=693×3=997-580+762=367+56+462=120×3=251+95×4=405-(337-291)=473+854+502=992-12-435=241-84×2=5/9+2/9=329-(403-233)=200×2+330=31+516+453=299-207=316+(414-40)=821+648=70×(210-207)=362×4-159=355+(640-637)=814×3-985=410×2+666=833×(729-723)=4/6-2/6=434-257-18=233+317+84=570×(284-275)=178×5=483+(898-188)=165+271-354=47+281+127=82+608+740=32×9+187=288×4-407=451-242+136=311-133-99=604-178×2=648-206=219-170=152+149×6=219+49-184=375-(156+192)=491-(167+243)=210×2=491×2-199=427-(553-434)=150×(150-144)=266-224+443=427+(240-74)=634×9=640+702=77×6=698+481+644=996-408-252=711×7-44=832×3-217=564×7-469=430-(308-92)=3/8+2/8=724×8-682=430-239-33=420-(433-62)=221×5-236=645+(898-861)=376-346+400=390+(388-161)=877-103×8=159×2+371=324+80-367=64+149=453-(236+40)=418+341-520=42×(654-647)=541-19×8=187×(218-214)=394×(762-756)=825-(729-400)=200-76-24=153×5=125+864+77=460+(166-109)=1/8+3/8=238×(222-219)=192-109-67=806-(847-838)=54×8-432=279×3+39=841+(563-140)=69×6=916-280-508=410-42×7=275+(664-209)=933-(145+131)=612×2=934-839+816=3/6-1/6=80+314=513-294=326-(83+153)=122×(325-318)=394-367+192=825×8=393+(529-27)=62×(728-723)=959-(797+122)=565+541-857=202+253-177=91+146×6=314-(378-249)=74+295-137=532+(931-12)=416-46=108+193=916+803-154=324+897-808=822×7-582=447-(393-351)=384-56=65×(438-432)=119-(168-115)=843-820+491=416-(327-103)=515-(147+199)=769-10×5=468+74+329=261-30=929-552-89=343+(384-110)=285+954-95=42×9=423-319+70=328×3-414=51+119=339+(439-153)=917-167-495=198-97×2=854×(928-920)=388-210-118=924-(825-152)=741-(253+412)=737×6-219=236+(958-833)=51+174+543=488+751=372-44=830-(347+271)=825×(174-168)=308-219-47=740-(504-177)=38+244-166=363-(475-470)=101-57+273=209-14×7=272-97-52=954+445×2=774+524-376=66+372=925-346×2=856-(287+114)=435-123-230=830-322=485-349+131=992-(48+471)=479-392=28+253+346=171×5=141+390+764=283+244+426=503×7-418=302+178-295=635+63×4=909-869=409×7=844+42×9=656+476-917=397-(769-378)=337-131×2=406-128×3=530-493=245+229-175=93-32+498=15×3=1/6+2/6=918-(341+141)=914+52+75=374-(194+173)=73-55-11=882×3-532=454-(371+42)=138+96×6=171+118×6=41+(269-51)=459-(121+37)=732+144+45=966-821-130=170+599=106×2-28=138-(496-415)=874-137-466=903×(536-533)=507+251+91=4/7-2/7=727+221+486=837-141+16=838-12×2=325-48-61=346+66-237=800-(655-125)=734-(401-375)=703+375+42=831+457-558=442-419=344+635=970-(289+473)=858+184+444=848×(127-118)=62×3+256=13×(223-219)=235-112=141×(319-315)=874-(199+381)=953-364+346=44+791+84=922×(626-617)=392-288-24=971-(650+200)=337-21×8=488+(198-81)=21+(959-444)=302×2=337+(447-56)=663-144=799+195-752=814-384+232=404+635=124+200×3=426+796=957-464+917=481-(359-125)=356-87×4=294-120-100=352-167-72=272×2-42=128×3=868+878+849=877-(923-176)=587+133=190×(292-287)=239-204+210=260+50=81×(403-398)=774-521=901-195-628=157+62+656=562×2=864-141-284=130×(347-342)=108×(408-400)=663+(245-184)=944-212×4=617+680=488×8-308=761-(389-333)=274+(558-113)=208+480-371=965-588+701=43×3=469-124+232=300+(416-240)=316+56=63×2+122=56×(371-367)=461-209×2=720-307-412=736+534-807=4/8-2/8=265×3-332=15+284×2=265+645+253=429-(527-353)=103×5=88×8+899=875-58=67×(413-408)=3/7+2/7=317+427+212=493-19=873×9=959-85-455=104×2=246+300+42=431-(158-103)=936-188=289-13×6=243+179=221+282=399-(500-329)=115+379-80=361×2-594=468+217+255=346-20=148×6+832=882-761=779-227×2=968+966-848=938-98-217=229×2=872×3-927=987-680-146=657-(316-311)=176×4+252=81+995+684=1/10+8/10=169×(126-122)=133×7+742=466-48×6=359-125=124-14+523=175×3+144=75×8+216=151+260=172×2-178=446-(47+125)=78×7=388+(816-714)=872-(114+496)=984-(590+264)=157+188=156+33×7=246-(335-208)=461-(196+248)=223×4-841=413-(377-336)=376-235-111=575-(884-859)=833-711+543=293×2-460=130×(150-144)=221+196=225-(99-77)=435-(32+254)=444-(367-265)=375+(599-229)=314+95-54=479+(386-130)=471+267+136=358-108=508-(519-241)=854+321-823=205+(236-185)=660-64+251=660×(173-166)=572-(409-328)=291+418=592-(833-382)=966-551=979×3=421+302+384=48-13+272=753+(873-299)=168+(292-69)=160+103-121=814×3=750×7-873=412-221=614+115×4=472-74-391=873×(444-440)=196×5-792=397-323+36=125×8+529=175+(369-296)=536-(530-221)=968×9=439×9-757=236+239=386+(340-90)=948-535-364=593-69=270-117=446+(179-150)=227-140+17=219+131-103=785×(860-853)=909-34-808=105-76+280=139+59+619=623×2=84+181-221=311+296=856-158×5=116+(429-276)=320+(832-179)=394×2-590=799+346-526=246-152=959-96×7=172×4-193=457-106×2=488-10×6=806-666=827-(424-321)=631-352-185=816-(142-20)=23×4=278-(452-285)=139+410+240=421-(284+53)=149+(461-238)=812-212×2=263+(80-32)=121×(278-274)=427-404+151=800-181×3=311×2=447-(977-837)=81×5-203=186+(867-658)=952+534-18=954-(679-85)=723-(480+20)=918-(183+538)=947-385×2=599×5=162×2=632+44+408=562×7=63×6=701-(57+45)=133+82-189=83×(223-215)=950×(556-553)=144+244=266-14-47=279×(901-894)=161-(110-49)=759×(121-112)=940+813+367=209+271=154+(270-209)=258-(291-33)=215-92=354-105×3=970-(209+16)=163×4-491=434-416-14=199-172=30+262-123=391-163-174=193×2-334=576+(808-292)=948-411=256-(276-201)=445+132-107=237-46+291=210+86=135-64×2=132+(361-223)=238+317+407=558-(514-104)=381-18×5=601+63+70=634-156-81=115×6=800×(770-761)=185+659+902=51×9=715+435+969=1/7+3/7=144+243=468-(103+250)=120+491=310+908+717=411-285-66=625+259-528=132+374-80=455-242-61=467-(219+194)=354-(477-128)=129+50=378-(965-784)=688+(724-714)=195-(88-32)=324-192=649-360+498=236-17×6=393-202=100×(343-340)=525-351+700=992-192×4=174×5-824=100×3+801=248+429+194=70+421+477=361-20×3=904×(897-892)=94×8=977+(970-65)=74×4-96=417-231=660-191-206=392-48=291×7=536+204-157=275×2=170-139+189=142+565=883+151×4=317+203+417=573+(863-252)=356+110=177×4=490-212-121=134×7-620=477-(68+219)=774-658+96=228-26×5=736-435-38=332-207+361=526-447+104=985-254+89=192-22×8=942-(281+445)=131+(394-343)=657-50+274=82-48+401=460-(173+10)=366×2-384=72×8=566-(790-273)=811-166×3=712-162×3=785-695+584=96+154-50=884-326-474=698-(573-497)=684+(908-313)=123×6+772=6/8-1/8=757-153-76=922-68×4=237-155=108+253=812+721=253×(790-785)=306-130=705-(729-202)=124×5-470=235+61=281+535=124×(481-473)=159×3=799+85×6=51+388-143=243-(111+125)=188-47+90=755-583+758=297-(569-532)=890-142×3=156×(65-60)=876+114×4=432+423+136=339+(406-86)=182×4-621=153+45×8=632×6=725-(188+62)=769+151×4=239+28-79=348+515+460=100+370=557+(652-469)=126+303=240+352-220=116+100=385-35×5=113×4+671=975×(233-224)=765+226×3=4/8+3/8=258-176=467-90+619=1/5+2/5=541×(123-119)=386+(478-455)=350-259=437-296+88=195-(98+33)=500-(80-38)=736-575-33=81×9-73=143×(40-37)=802×2-587=953×(204-198)=543+36+295=401+73+469=437-100-53=494-338=62+133-103=474-43×9=29+430+240=541-73×4=57+(65-26)=775-62-481=123×(169-161)=299-(122+12)=105+277=735-(553+94)=987-667=485-256-223=57×9=187-(446-398)=407-(68+65)=382-23×9=165×(97-93)=642-76×3=373×5-728=202-55×3=96+391=177+858+586=1/8+6/8=385+99×5=458-135-149=998+(627-455)=232×2-33=493-18-187=622+205=129×2=13×5=392-157×2=253+(922-227)=332×(241-238)=138+143=149-14×8=262-163=參考答案25+101=12613×(356-353)=3963×8-240=26440×8=320870-454+353=769470-171+171=470280+113+161=554654-283=371276-17×9=123103+145-237=11484-88-383=13222+74=296278-158+266=386153×3=459379-28×7=183426-(86+112)=228110×(371-367)=440437-21-415=1198-60×2=78239+66=305309×2-214=404648+96+644=138824×5+230=350196-(48+140)=848×5+209=449480-14=466129+229-26=33222×9=198391-(120+120)=151829+798=1627773+178=951183-127+317=373983-46+776=1713376-50×5=126436-414+150=17291+125=216977+(903-900)=980162+82×7=73676-29=47984-(356+170)=4582/3-1/3=1/3494+(489-359)=624413×8-884=2420965-875+630=72073+145=218520×5-493=2107841×7=5887199+141-74=26676×9=684647-485=162236×(397-394)=708463-(79+255)=129103×7-583=138460+428-777=111648+265+855=17688/9-1/9=7/9209-17×9=562/4-1/4=1/4463-(64+286)=1133/5-1/5=2/5330+80+367=777254-163+324=415114×8-617=295702+962-944=720372+62×4=620189+43-129=103764+186+885=1835330+120-130=320354-162=192303+83+95=481380-30×7=170608-278+16=346539+388=927245+88×2=421363+10×5=41377+730+139=9463/6-2/6=1/6467-249+189=407961-474=487455-243-113=99464×2+230=115865+358=423237-(444-303)=96833-(582-327)=578215-99×2=1774+246-22=29872×8+270=846401-114×2=173443-20-73=350268-191=77224+90-123=19198×(211-206)=490480-(128+182)=17049×6-247=47315-(165+70)=80978-319=659455-(167-136)=424549×2-382=716447-(193+73)=181247+102-217=13210×7=70814+74+988=1876156+(829-771)=214990-(516+142)=332295-48-237=10879×(707-698)=7911754-596=158487-356+208=339393×(638-629)=3537955-442-177=336408×8-673=2591811+176×5=1691403-285=11875×8+334=934240-103+153=290231-188+284=327330+(853-640)=543405-(478-138)=65845+146-141=850423-45=378712+768+942=2422366-327+454=493599-(153+402)=44977+420+57=1454461-(203+206)=52707+330-85=952236×2+898=137066×4+401=665806-531+581=856417-335+186=268118×7=826961-(189+502)=270373-(23+182)=168314×3+983=1925679+280=959102+201=303298-204+382=476208-16-45=147894-825=69681+17×5=766755-401=354375+(994-522)=847142×7=99458+94-62=9078+51+772=901716×8=57284/8+2/8=6/8861×8=6888105-(878-800)=27809-(381+275)=15356+956-185=82721×2+75=1173/10-1/10=2/10452-(702-484)=234391+317×3=1342243+126=369881+510-680=711447-91=356387×8-673=2423877-83×6=379736×6=4416861-363-80=418432+(327-42)=71769×5+793=1138389-(346-61)=104976×(725-722)=2928108+(136-10)=234553×9-933=404442×6-231=21411-367=44161+91×3=43468×7=476406-52×5=146767-24×5=647218×4-470=402529×3-384=1203498-18×7=37285+43=128621+156=777394-105+208=497513+206-657=62764+(290-158)=896655×(28-19)=589527×2=545/8+2/8=7/819×2+11=49962-(275+100)=587177+153+521=851826-(535+217)=74856-676=180768-47×2=674259-(103-94)=250278+29-37=270441×2-671=211683×(528-520)=5464134+167=301698-629=69162+20×6=282417+42×8=753423+852-788=487490×4-104=1856366×2=732424+30×8=664771-(204+84)=483446+317+63=826793+37-215=615319×2=638257×(135-132)=771233-(150+78)=5385×(460-455)=1925670-(160+118)=392297+(285-267)=315453+566=1019390×3-299=87130+(380-285)=125268-253+101=116147×(711-707)=588559-138-48=373983+763-389=1357419×2-376=462212+139=351547+(543-525)=56528×3+263=347259-(41+166)=52835×(415-408)=5845334-69×3=127948-60-682=206499-360-98=414/6-1/6=3/6191×3+77=650693×3=2079997-580+762=1179367+56+462=885120×3=360251+95×4=631405-(337-291)=359473+854+502=1829992-12-435=545241-84×2=735/9+2/9=7/9329-(403-233)=159200×2+330=73031+516+453=1000299-207=92316+(414-40)=690821+648=146970×(210-207)=210362×4-159=1289355+(640-637)=358814×3-985=1457410×2+666=1486833×(729-723)=49984/6-2/6=2/6434-257-18=159233+317+84=634570×(284-275)=5130178×5=890483+(898-188)=1193165+271-354=8247+281+127=45582+608+740=143032×9+187=475288×4-407=745451-242+136=345311-133-99=79604-178×2=248648-206=442219-170=49152+149×6=1046219+49-184=84375-(156+192)=27491-(167+243)=81210×2=420491×2-199=783427-(553-434)=308150×(150-144)=900266-224+443=485427+(240-74)=593634×9=5706640+702=134277×6=462698+481+644=1823996-408-252=336711×7-44=4933832×3-217=2279564×7-469=3479430-(308-92)=2143/8+2/8=5/8724×8-682=5110430-239-33=158420-(433-62)=49221×5-236=869645+(898-861)=682376-346+400=430390+(388-161)=617877-103×8=53159×2+371=689324+80-367=3764+149=213453-(236+40)=177418+341-520=23942×(654-647)=294541-19×8=389187×(218-214)=748394×(762-756)=2364825-(729-400)=496200-76-24=100153×5=765125+864+77=1066460+(166-109)=5171/8+3/8=4/8238×(222-219)=714192-109-67=16806-(847-838)=79754×8-432=0279×3+39=876841+(563-140)=126469×6=414916-280-508=128410-42×7=116275+(664-209)=730933-(145+131)=657612×2=1224934-839+816=9113/6-1/6=2/680+314=394513-294=219326-(83+153)=90122×(325-318)=854394-367+192=219825×8=6600393+(529-27)=89562×(728-723)=310959-(797+122)=40565+541-857=249202+253-177=27891+146×6=967314-(378-249)=18574+295-137=232532+(931-12)=1451416-46=370108+193=301916+803-154=1565324+897-808=413822×7-582=5172447-(393-351)=405384-56=32865×(438-432)=390119-(168-115)=66843-820+491=514416-(327-103)=192515-(147+199)=169769-10×5=719468+74+329=871261-30=231929-552-89=288343+(384-110)=617285+954-95=114442×9=378423-319+70=174328×3-414=57051+119=170339+(439-153)=625917-167-495=255198-97×2=4854×(928-920)=6832388-210-118=60924-(825-152)=251741-(253+412)=76737×6-219=4203236+(958-833)=36151+174+543=768488+751=1239372-44=328830-(347+271)=212825×(174-168)=4950308-219-47=42740-(504-177)=41338+244-166=116363-(475-470)=358101-57+273=317209-14×7=111272-97-52=123954+445×2=1844774+524-376=92266+372=438925-346×2=233856-(287+114)=455435-123-230=82830-322=508485-349+131=267992-(48+471)=473479-392=8728+253+346=627171×5=855141+390+764=1295283+244+426=953503×7-418=3103302+178-295=185635+63×4=887909-869=40409×7=2863844+42×9=1222656+476-917=215397-(769-378)=6337-131×2=75406-128×3=22530-493=37245+229-175=29993-32+498=55915×3=451/6+2/6=3/6918-(341+141)=436914+52+75=1041374-(194+173)=773-55-11=7882×3-532=2114454-(371+42)=41138+96×6=714171+118×6=87941+(269-51)=259459-(121+37)=301732+144+45=921966-821-130=15170+599=769106×2-28=184138-(496-415)=57874-137-466=271903×(536-533)=2709507+251+91=8494/7-2/7=2/7727+221+486=1434837-141+16=712838-12×2=814325-48-61=216346+66-237=175800-(655-125)=270734-(401-375)=708703+375+42=1120831+457-558=730442-419=23344+635=979970-(289+473)=208858+184+444=1486848×(127-118)=763262×3+256=44213×(223-219)=52235-112=123141×(319-315)=564874-(199+381)=294953-364+346=93544+791+84=919922×(626-617)=8298392-288-24=80971-(650+200)=121337-21×8=169488+(198-81)=60521+(959-444)=536302×2=604337+(447-56)=728663-144=519799+195-752=242814-384+232=662404+635=1039124+200×3=724426+796=1222957-464+917=1410481-(359-125)=247356-87×4=8294-120-100=74352-167-72=113272×2-42=502128×3=384868+878+849=2595877-(923-176)=130587+133=720190×(292-287)=950239-204+210=245260+50=31081×(403-398)=405774-521=253901-195-628=78157+62+656=875562×2=1124864-141-284=439130×(347-342)=650108×(408-400)=864663+(245-184)=724944-212×4=96617+680=1297488×8-308=3596761-(389-333)=705274+(558-113)=719208+480-371=317965-588+701=107843×3=129469-124+232=577300+(416-240)=476316+56=37263×2+122=24856×(371-367)=224461-209×2=43720-307-412=1736+534-807=4634/8-2/8=2/8265×3-332=46315+284×2=583265+645+253=1163429-(527-353)=255103×5=51588×8+899=1603875-58=81767×(413-408)=3353/7+2/7=5/7317+427+212=956493-19=474873×9=7857959-85-455=419104×2=208246+300+42=588431-(158-103)=376936-188=748289-13×6=211243+179=422221+282=503399-(500-329)=228115+379-80=414361×2-594=128468+217+255=940346-20=326148×6+832=1720882-761=121779-227×2=325968+966-848=1086938-98-217=623229×2=458872×3-927=1689987-680-146=161657-(316-311)=652176×4+252=95681+995+684=17601/10+8/10=9/10169×(126-122)=676133×7+742=1673466-48×6=178359-125=234124-14+523=633175×3+144=66975×8+216=816151+260=411172×2-178=166446-(47+125)=27478×7=546388+(816-714)=490872-(114+496)=262984-(590+264)=130157+188=345156+33×7=387246-(335-208)=119461-(196+248)=17223×4-841=51413-(377-336)=372376-235-111=30575-(884-859)=550833-711+543=665293×2-460=126130×(150-144)=780221+196=417225-(99-77)=203435-(32+254)=149444-(367-265)=342375+(599-229)=745314+95-54=355479+(386-130)=735471+267+136=874358-108=250508-(519-241)=230854+321-823=352205+(236-185)=256660-64+251=847660×(173-166)=4620572-(409-328)=491291+418=709592-(833-382)=141966-551=415979×3=2937421+302+384=110748-13+272=307753+(873-299)=1327168+(292-69)=391160+103-121=142814×3=2442750×7-873=4377412-221=191614+115×4=1074472-74-391=7873×(444-440)=3492196×5-792=188397-323+36=110125×8+529=1529175+(369-296)=248536-(530-221)=227968×9=8712439×9-757=3194236+239=475386+(340-90)=636948-535-364=49593-69=524270-117=153446+(179-150)=475227-140+17=104219+131-103=247785×(860-853)=5495909-34-808=67105-76+280=309139+59+619=817623×2=124684+181-221=44311+296=607856-158×5=66116+(429-276)=269320+(832-179)=973394×2-590=198799+346-526=619246-152=94959-96×7=287172×4-193=495457-106×2=245488-10×6=428806-666=140827-(424-321)=724631-352-185=94816-(142-20)=69423×4=92278-(452-285)=111139+410+240=789421-(284+53)=84149+(461-238)=372812-212×2=388263+(80-32)=311121×(278-274)=484427-404+151=174800-181×3=257311×2=622447-(977-837)=30781×5-203=202186+(867-658)=395952+534-18=1468954-(679-85)=360723-(480+20)=223918-(183+538)=197947-385×2=177599×5=2995162×2=324632+44+408=1084562×7=393463×6=378701-(57+45)=599133+82-189=2683×(223-215)=664950×(556-553)=2850144+244=388266-14-47=205279×(901-894)=1953161-(110-49)=100759×(121-112)=6831940+813+367=2120209+271=480154+(270-209)=215258-(291-33)=0215-92=123354-105×3=39970-(209+16)=745163×4-491=161434-416-14=4199-172=2730+262-123=169391-163-174=54193×2-334=52576+(808-292)=1092948-411=537256-(276-201)=181445+132-107=470237-46+291=482210+86=296135-64×2=7132+(361-223)=270238+317+407=962558-(514-104)=148381-18×5=291601+63+70=734634-156-81=397115×6=690800×(770-761)=7200185+659+902=174651×9=459715+435+969=21191/7+3/7=4/7144+243=387468-(103+250)=115120+491=611310+908+717=1935411-285-66=60625+259-528=356132+374-80=426455-242-61=152467-(219+194)=54354-(477-1