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750+474+684=459-275=358×3=571+717-325=492-18×8=152+371+419=190+202=499-400+310=16×(412-407)=890+239×2=494-198-181=358-331+333=137×3-65=115+172=16×(239-231)=434+(401-265)=301+242+210=3/9+5/9=300+(478-406)=275-151-70=424-14=494-309+168=4/6-1/6=74+205×4=671+331-546=451-243+144=565×2-579=93-(66+14)=440-145=992+907+156=21×6=335×5=879-69-319=691+516-353=450×6-427=417-50-109=820+132×3=916+(737-67)=4/8-3/8=239×3-38=957-(496+42)=251-(384-180)=22+176×4=904-413-345=30×4+907=898+643=577-218+627=560-196+153=229+(477-235)=369+438=231+(628-420)=873-478-58=834×2-731=171×8-430=463-(464-53)=89×3=454-(468-326)=477+135=769-(392-154)=901-12-683=357-(98+29)=855×6=407+76=682×6=144×5-15=450-157=267+606+29=328-(210+87)=944×(346-338)=409-(323+12)=1/4+3/4=991+234+297=99-14×2=485-56-166=503×(772-765)=765-317=198-(48+49)=901-(42+790)=396-214-22=55×9-370=964+111×8=429+60×8=921-329-587=379-224+170=110+264=341-(41-13)=328+(338-312)=161+547=360+(467-409)=172×5=772-489+833=112×(366-361)=343-(368-175)=87×(491-485)=386-38×6=3/6-1/6=65+189=331-(310-141)=377-230=52×8=43+(851-586)=318×3-692=817×9=300-48×2=445-242=541-285+219=219-39-94=184-133=600+856=78+410=228-(192-77)=415+42-100=270×(778-770)=421-58×4=625-473-149=273×2-310=963+143×3=956+521-485=778-311-433=39+229+629=290+81=365+535+33=439+126+162=47×3+237=106×(383-377)=997+818+515=951-254×3=288+124-173=238×(127-124)=262+156×2=178+(859-294)=251+180-170=438×9=944-(91+306)=415×2=699×5-88=420+(412-366)=773+625=76+226+91=424+(344-55)=976-391-387=279+213+497=537×6=530-(980-909)=652+(576-177)=204+172-97=313-(79+167)=292×3=39+220+67=323×2+843=149+288+285=797-(312+315)=761+(222-125)=237-47=364+(478-332)=718-479+686=269-(39+87)=109×6=73×9=165×4=982-309+169=406+111×3=347-(440-376)=53×(217-214)=371-167=4/5-1/5=969-209+93=851-710=210+(422-296)=501+234=111×(300-292)=323-(24-18)=240-79+193=215-(12+55)=866+498+684=872-77×3=547×5-15=457-422+341=640+64+252=286-34×6=386+(258-163)=825-(928-193)=263-201=372-106-46=35×5=604-31×2=408-269+29=429-288+179=408+(289-180)=181-(254-116)=292-(133+114)=943+964-105=358+111+507=225-141+274=433-(199+174)=237×2-410=903+(690-271)=928-566+596=964+(687-547)=3/8-1/8=413-176×2=402-(165+50)=273×(90-87)=330×2-563=806-159-87=316-(124+43)=467×2-633=301-203+284=52×6=144-52=336+(353-280)=285-30×3=576-28-399=2/7-1/7=973-223-676=283+(218-213)=429-411+481=357-(395-139)=304+(372-89)=828+341-858=287-84×3=321×9=720-300+565=932-457=322×7-760=149+264-112=208-23×3=191×7-128=461+692=959-642-131=59+292×2=36+(650-315)=259+84=741+219=812-(555-123)=313-64×4=182×3=852+224+82=182+205×2=120+211=311-113+278=893-136=364-(26+142)=409-163×2=773-292-439=499-231=111-69+328=327+159-149=181+253-201=333×(358-355)=762-39+391=615+976-868=180-70=240-153=369-31-150=303×2-397=465-167-270=396-(415-273)=3/5-1/5=374-251-43=369+108-49=4/6+2/6=417+77-276=36×5=45+346+133=254+346=287-18-124=64×(898-892)=414-253-86=54+130=1/5+3/5=157×4+180=44×3+399=77×4+382=124+238-166=66+(176-11)=21×(263-257)=239×4-351=73+151=142+216-354=374-216+80=400-362=273+(933-391)=174×(290-286)=221×3=26×(365-360)=549×(119-114)=35×6+386=401-(89+311)=96+117-17=370+946+989=362+(843-526)=218×4+949=3/4-1/4=685-554=673-562=544-(747-649)=380+95=795-276×2=1/5+4/5=885+(981-570)=453-11-246=597-(123-101)=496-(280+52)=394-(107+213)=490×(98-92)=736×5=489-(391+77)=376-109+77=367-159=282+236×4=518-(233-61)=187×5-517=175×2-129=388×(628-623)=768-374-182=289×2+300=143+166=979+903+303=100+205×3=450-(34+190)=139-(257-253)=642-201=18+202-123=414×2-136=351-(76+117)=618-(291+48)=154×3+250=494×3=941-116×8=335+963-534=70+145=306×8=495×4-444=209+140+716=844-619+483=509-111-56=482-344=311+405+34=619+69+168=405-298+122=500-(82+341)=572-(169+146)=125+(441-355)=822-88×3=507×(541-532)=643+315-428=67×9=665+145=683-460+441=652-(650-166)=412×9=384-(261+110)=2/8+5/8=197+37×3=150+644+96=621-49×5=474+541-968=972-183×5=294×(74-69)=534×(861-855)=211+10+41=614+451+182=62+32×7=65×3+238=698×2=792-89×4=376-(427-388)=419+129+426=65×(468-465)=29×8+276=430-325=37+50=890+276+450=40+144=120+205=115+272-245=68+69-65=207-18=223+38-106=645-(162+270)=268-235=116+(891-726)=114×(559-550)=457-213-27=150-(407-376)=193+118+925=356-50=348-21×7=702-583=320-67×4=973-79×5=84+(459-440)=975-749=605-149-235=943×(278-270)=840-468-281=656-116×3=643×5=323+858+699=177×7-933=197+137-193=412-15×8=49+50=840×(184-179)=29+(427-15)=155-(439-417)=880-277+826=363-260=875+459×2=98×7+337=296-28=411×5=1/8+6/8=244-54+221=901-58-706=211+569-491=110×(119-111)=303-(97+187)=49×(368-362)=716-20+453=210-83×2=670-286+651=185+47×7=216-48+363=207+55+383=867×2=23×7+180=368×9-913=774-(23+512)=431+826-971=769+695=339-102+117=327+331+335=981-280×2=286+278=145-(278-267)=365+228=644×2-866=522×7=836-390+795=281-159+382=186-20×8=367+565=28×7+384=141×5-476=631+(913-637)=310-271=306-(246-181)=906-149×2=72×(63-58)=101×(77-73)=496-341=105×(334-329)=97×9-455=390-215-99=183-20×7=578-458=725-23=800-567-218=573×9-111=340-(13+47)=468-(486-404)=797+(632-542)=673-334×2=82+274=399+(369-173)=207×8=49+314×2=430-157-155=193-31×5=18×2+461=471-399=736+882-64=10+857-379=852+617-781=31+377-26=757-(924-197)=830-181-334=302-10×5=125-120+178=661×(962-956)=817×(451-447)=444+45-472=157+266=295-(462-267)=936×(380-371)=293-66+17=4/8+2/8=763+77+82=550+722-183=786-(605-335)=416-51×6=743×6-352=65×4-109=122+682+152=805+319×2=16×7+870=45×3-62=256+203+500=393-12×5=434×2+760=806×3=782-322=652×7=166×4=7/9-2/9=810-(357+68)=82×3=310×3+593=345-(183-84)=271-(438-286)=124-109=541-(158+213)=912-728=996+894-160=859-(618-241)=152×3+47=76+172-168=600-(179+44)=194+184+930=85×2=499+(104-98)=486-(55+288)=968-46=88+299+562=427×(310-301)=437-(273+84)=664-12-550=56+137+684=160×(467-464)=944×(970-962)=801-(597-325)=159×6-513=838-536+921=694-115×3=42×(187-181)=485-135×2=877-(946-575)=250-17×8=145+197=497-(173+187)=114+354-146=319-12=48+522+691=894-(588+239)=887+897-601=635+970+681=42×9+14=570×3-123=819×6-567=383-(326+18)=350+(400-107)=907×2-693=1/6+3/6=64×9+255=66×(207-198)=284-12+46=244-(155+14)=409+(381-57)=470×2+742=652-20×9=270×2-279=163×3+554=109×9-964=323+(942-431)=278×(420-415)=585×9=576+98-493=157+(349-39)=600-262+861=627-18×3=558-(520-365)=810-(591-534)=382-91×3=828-(479+247)=193×3-29=575×3-942=94+(793-640)=757-(528+142)=287+873=235-126+151=855-388-169=428-(132-71)=6/10-4/10=76+13×6=906-(279+454)=403-(427-258)=783+322×2=355-312+259=860-(585+203)=639+448×2=449-(118+260)=722-325=47+310-194=710×6-137=721-(940-392)=19×(202-196)=140-76+376=323+815-459=738+121+876=850-114×4=78+402-429=521+591-487=698-151=429-(86+125)=328+111=41+353-325=938-(852-125)=702+111-672=233+767-111=68-48=88×5=469×5=357+76+177=478×5=919-793=1/8+3/8=49+587+173=80+345=306-175+87=455-48×9=545-(46+466)=161+601+234=107×6+87=496-189+13=281-(765-615)=86×7+302=673+127-82=984-130×3=390-(99+16)=380+602-742=121+(563-532)=971-(168+748)=78×3=728-514=896+816+644=408-(374-176)=499-276-35=18×6=962×(228-222)=213+71=92×(179-171)=268×3=488-160-131=400-(26+247)=258-(921-718)=119+169=92-69=167×(308-303)=318-297-15=556+737-42=445-(85+206)=307+(492-393)=550-49×2=455-(248-133)=692-18-505=470-117=670+786=900-323+867=216-37-173=2/8-1/8=837×(408-399)=112+197+439=902-836+723=84×8+193=191×3-112=727+(747-446)=763-165-346=84+335=246+150=37+(476-92)=548+200×5=185+123+443=77×7-170=70×(64-58)=942-138-232=42×(242-238)=149×6-321=158+159=813×5-147=260×(452-449)=35×8=780+468+182=480-102-338=23×(29-25)=379-310=641×9-737=879×4-789=27×9=97×8=568×(325-321)=887-536-155=250×2-450=427+77×6=145-72×2=106-16×2=474-(141+153)=397+123+426=734-99-169=2/4-1/4=567×5=423-26×8=858-(639-268)=680+(809-382)=506+(811-715)=123-81+172=531+107=790×9-686=790×2=91×7+816=953-154×4=236+173-30=402+(402-292)=226-46-167=190+179-148=933-241+281=569-(947-677)=760-(852-190)=742×(852-843)=858×(567-561)=98×7+139=402-320+56=428-102×2=106×(389-385)=161×9-748=679-609+160=566×9-282=943+212+471=499+(769-125)=123+301=741+400=833-65×8=766-721=788-80=171-66-46=295+57=291-11×7=4/10+5/10=201+449+388=172-(160-109)=199+219=779-74+688=491-(74+164)=36+(51-13)=755-307+110=665-66×5=350-204=967-(217+155)=88×(366-360)=181×(235-232)=874-(412-82)=133×4-13=405-74×2=746-97=156+98×4=874-351+141=258+(754-268)=373+(465-21)=822-(14+576)=840+(976-398)=384+174+316=358-(375-342)=318+29+725=523+230×3=365+(912-807)=487×(121-115)=235+92-220=416-243=51×6-299=883+257-904=105+349=332×(153-147)=450-412=436-360+250=704+47×2=377-172-116=293-91=942×3=96+310-276=774+(870-457)=203+112-158=66×4=859+756-561=92×3-160=446+68+927=21×9=282+98×7=137+(479-245)=393-(447-205)=868-444=827×3=683-163=416-106×3=440+282=156×2=902-(478-249)=187+396=277×2=271×3-391=397-122+94=102+218+170=473-254-17=320+171-415=55×4+230=436-23×4=674-295-155=697-23×5=282-(419-391)=337+982=51+154=881-(629-128)=27+84×8=344-62×4=314-22×4=365-46-265=467-(121+322)=275+431=413-234-175=71-26+377=136+(442-418)=134×(271-264)=93×8-674=729×3-549=3/8+2/8=485+70+224=196-(517-421)=158-(941-879)=742-208=797-134+809=430+210-295=416+23×3=41+399+147=709+609+230=963-(737+210)=922-(325+311)=87×5=251+(193-55)=197×4=419×(400-391)=295-111-121=58×9-78=333+(209-166)=500+867=349-38-108=835-403-134=196+123=665-(650-483)=832-(215+455)=390+(421-236)=356+(805-766)=482-345-10=403+296-63=221+127=361×2-660=150×4=115+410+367=573×4-615=104×8=889-(218+190)=363-(355-104)=370-(449-399)=413-99-219=144+112=參考答案750+474+684=1908459-275=184358×3=1074571+717-325=963492-18×8=348152+371+419=942190+202=392499-400+310=40916×(412-407)=80890+239×2=1368494-198-181=115358-331+333=360137×3-65=346115+172=28716×(239-231)=128434+(401-265)=570301+242+210=7533/9+5/9=8/9300+(478-406)=372275-151-70=54424-14=410494-309+168=3534/6-1/6=3/674+205×4=894671+331-546=456451-243+144=352565×2-579=55193-(66+14)=13440-145=295992+907+156=205521×6=126335×5=1675879-69-319=491691+516-353=854450×6-427=2273417-50-109=258820+132×3=1216916+(737-67)=15864/8-3/8=1/8239×3-38=679957-(496+42)=419251-(384-180)=4722+176×4=726904-413-345=14630×4+907=1027898+643=1541577-218+627=986560-196+153=517229+(477-235)=471369+438=807231+(628-420)=439873-478-58=337834×2-731=937171×8-430=938463-(464-53)=5289×3=267454-(468-326)=312477+135=612769-(392-154)=531901-12-683=206357-(98+29)=230855×6=5130407+76=483682×6=4092144×5-15=705450-157=293267+606+29=902328-(210+87)=31944×(346-338)=7552409-(323+12)=741/4+3/4=1991+234+297=152299-14×2=71485-56-166=263503×(772-765)=3521765-317=448198-(48+49)=101901-(42+790)=69396-214-22=16055×9-370=125964+111×8=1852429+60×8=909921-329-587=5379-224+170=325110+264=374341-(41-13)=313328+(338-312)=354161+547=708360+(467-409)=418172×5=860772-489+833=1116112×(366-361)=560343-(368-175)=15087×(491-485)=522386-38×6=1583/6-1/6=2/665+189=254331-(310-141)=162377-230=14752×8=41643+(851-586)=308318×3-692=262817×9=7353300-48×2=204445-242=203541-285+219=475219-39-94=86184-133=51600+856=145678+410=488228-(192-77)=113415+42-100=357270×(778-770)=2160421-58×4=189625-473-149=3273×2-310=236963+143×3=1392956+521-485=992778-311-433=3439+229+629=897290+81=371365+535+33=933439+126+162=72747×3+237=378106×(383-377)=636997+818+515=2330951-254×3=189288+124-173=239238×(127-124)=714262+156×2=574178+(859-294)=743251+180-170=261438×9=3942944-(91+306)=547415×2=830699×5-88=3407420+(412-366)=466773+625=139876+226+91=393424+(344-55)=713976-391-387=198279+213+497=989537×6=3222530-(980-909)=459652+(576-177)=1051204+172-97=279313-(79+167)=67292×3=87639+220+67=326323×2+843=1489149+288+285=722797-(312+315)=170761+(222-125)=858237-47=190364+(478-332)=510718-479+686=925269-(39+87)=143109×6=65473×9=657165×4=660982-309+169=842406+111×3=739347-(440-376)=28353×(217-214)=159371-167=2044/5-1/5=3/5969-209+93=853851-710=141210+(422-296)=336501+234=735111×(300-292)=888323-(24-18)=317240-79+193=354215-(12+55)=148866+498+684=2048872-77×3=641547×5-15=2720457-422+341=376640+64+252=956286-34×6=82386+(258-163)=481825-(928-193)=90263-201=62372-106-46=22035×5=175604-31×2=542408-269+29=168429-288+179=320408+(289-180)=517181-(254-116)=43292-(133+114)=45943+964-105=1802358+111+507=976225-141+274=358433-(199+174)=60237×2-410=64903+(690-271)=1322928-566+596=958964+(687-547)=11043/8-1/8=2/8413-176×2=61402-(165+50)=187273×(90-87)=819330×2-563=97806-159-87=560316-(124+43)=149467×2-633=301301-203+284=38252×6=312144-52=92336+(353-280)=409285-30×3=195576-28-399=1492/7-1/7=1/7973-223-676=74283+(218-213)=288429-411+481=499357-(395-139)=101304+(372-89)=587828+341-858=311287-84×3=35321×9=2889720-300+565=985932-457=475322×7-760=1494149+264-112=301208-23×3=139191×7-128=1209461+692=1153959-642-131=18659+292×2=64336+(650-315)=371259+84=343741+219=960812-(555-123)=380313-64×4=57182×3=546852+224+82=1158182+205×2=592120+211=331311-113+278=476893-136=757364-(26+142)=196409-163×2=83773-292-439=42499-231=268111-69+328=370327+159-149=337181+253-201=233333×(358-355)=999762-39+391=1114615+976-868=723180-70=110240-153=87369-31-150=188303×2-397=209465-167-270=28396-(415-273)=2543/5-1/5=2/5374-251-43=80369+108-49=4284/6+2/6=1417+77-276=21836×5=18045+346+133=524254+346=600287-18-124=14564×(898-892)=384414-253-86=7554+130=1841/5+3/5=4/5157×4+180=80844×3+399=53177×4+382=690124+238-166=19666+(176-11)=23121×(263-257)=126239×4-351=60573+151=224142+216-354=4374-216+80=238400-362=38273+(933-391)=815174×(290-286)=696221×3=66326×(365-360)=130549×(119-114)=274535×6+386=596401-(89+311)=196+117-17=196370+946+989=2305362+(843-526)=679218×4+949=18213/4-1/4=2/4685-554=131673-562=111544-(747-649)=446380+95=475795-276×2=2431/5+4/5=1885+(981-570)=1296453-11-246=196597-(123-101)=575496-(280+52)=164394-(107+213)=74490×(98-92)=2940736×5=3680489-(391+77)=21376-109+77=344367-159=208282+236×4=1226518-(233-61)=346187×5-517=418175×2-129=221388×(628-623)=1940768-374-182=212289×2+300=878143+166=309979+903+303=2185100+205×3=715450-(34+190)=226139-(257-253)=135642-201=44118+202-123=97414×2-136=692351-(76+117)=158618-(291+48)=279154×3+250=712494×3=1482941-116×8=13335+963-534=76470+145=215306×8=2448495×4-444=1536209+140+716=1065844-619+483=708509-111-56=342482-344=138311+405+34=750619+69+168=856405-298+122=229500-(82+341)=77572-(169+146)=257125+(441-355)=211822-88×3=558507×(541-532)=4563643+315-428=53067×9=603665+145=810683-460+441=664652-(650-166)=168412×9=3708384-(261+110)=132/8+5/8=7/8197+37×3=308150+644+96=890621-49×5=376474+541-968=47972-183×5=57294×(74-69)=1470534×(861-855)=3204211+10+41=262614+451+182=124762+32×7=28665×3+238=433698×2=1396792-89×4=436376-(427-388)=337419+129+426=97465×(468-465)=19529×8+276=508430-325=10537+50=87890+276+450=161640+144=184120+205=325115+272-245=14268+69-65=72207-18=189223+38-106=155645-(162+270)=213268-235=33116+(891-726)=281114×(559-550)=1026457-213-27=217150-(407-376)=119193+118+925=1236356-50=306348-21×7=201702-583=119320-67×4=52973-79×5=57884+(459-440)=103975-749=226605-149-235=221943×(278-270)=7544840-468-281=91656-116×3=308643×5=3215323+858+699=1880177×7-933=306197+137-193=141412-15×8=29249+50=99840×(184-179)=420029+(427-15)=441155-(439-417)=133880-277+826=1429363-260=103875+459×2=179398×7+337=1023296-28=268411×5=20551/8+6/8=7/8244-54+221=411901-58-706=137211+569-491=289110×(119-111)=880303-(97+187)=1949×(368-362)=294716-20+453=1149210-83×2=44670-286+651=1035185+47×7=514216-48+363=531207+55+383=645867×2=173423×7+180=341368×9-913=2399774-(23+512)=239431+826-971=286769+695=1464339-102+117=354327+331+335=993981-280×2=421286+278=564145-(278-267)=134365+228=593644×2-866=422522×7=3654836-390+795=1241281-159+382=504186-20×8=26367+565=93228×7+384=580141×5-476=229631+(913-637)=907310-271=39306-(246-181)=241906-149×2=60872×(63-58)=360101×(77-73)=404496-341=155105×(334-329)=52597×9-455=418390-215-99=76183-20×7=43578-458=120725-23=702800-567-218=15573×9-111=5046340-(13+47)=280468-(486-404)=386797+(632-542)=887673-334×2=582+274=356399+(369-173)=595207×8=165649+314×2=677430-157-155=118193-31×5=3818×2+461=497471-399=72736+882-64=155410+857-379=488852+617-781=68831+377-26=382757-(924-197)=30830-181-334=315302-10×5=252125-120+178=183661×(962-956)=3966817×(451-447)=3268444+45-472=17157+266=423295-(462-267)=100936×(380-371)=8424293-66+17=2444/8+2/8=6/8763+77+82=922550+722-183=1089786-(605-335)=516416-51×6=110743×6-352=410665×4-109=151122+682+152=956805+319×2=144316×7+870=98245×3-62=73256+203+500=959393-12×5=333434×2+760=1628806×3=2418782-322=460652×7=4564166×4=6647/9-2/9=5/9810-(357+68)=38582×3=246310×3+593=1523345-(183-84)=246271-(438-286)=119124-109=15541-(158+213)=170912-728=184996+894-160=1730859-(618-241)=482152×3+47=50376+172-168=80600-(179+44)=377194+184+930=130885×2=170499+(104-98)=505486-(55+288)=143968-46=92288+299+562=949427×(310-301)=3843437-(273+84)=80664-12-550=10256+137+684=877160×(467-464)=480944×(970-962)=7552801-(597-325)=529159×6-513=441838-536+921=1223694-115×3=34942×(187-181)=252485-135×2=215877-(946-575)=506250-17×8=114145+197=342497-(173+187)=137114+354-146=322319-12=30748+522+691=1261894-(588+239)=67887+897-601=1183635+970+681=228642×9+14=392570×3-123=1587819×6-567=4347383-(326+18)=39350+(400-107)=643907×2-693=11211/6+3/6=4/664×9+255=83166×(207-198)=594284-12+46=318244-(155+14)=75409+(381-57)=733470×2+742=1682652-20×9=472270×2-279=261163×3+554=1043109×9-964=17323+(942-431)=834278×(420-415)=1390585×9=5265576+98-493=181157+(349-39)=467600-262+861=1199627-18×3=573558-(520-365)=403810-(591-534)=753382-91×3=109828-(479+247)=102193×3-29=550575×3-942=78394+(793-640)=247757-(528+142)=87287+873=1160235-126+151=260855-388-169=298428-(132-71)=3676/10-4/10=2/1076+13×6=154906-(279+454)=173403-(427-258)=234783+322×2=1427355-312+259=302860-(585+203)=72639+448×2=1535449-(118+260)=71722-325=39747+310-194=163710×6-137=4123721-(940-392)=17319×(202-196)=114140-76+376=440323+815-459=679738+121+876=1735850-114×4=39478+402-429=51521+591-487=625698-151=547429-(86+125)=218328+111=43941+353-325=69938-(852-125)=211702+111-672=141233+767-111=88968-48=2088×5=440469×5=2345357+76+177=610478×5=2390919-793=1261/8+3/8=4/849+587+173=80980+345=425306-175+87=218455-48×9=23545-(46+466)=33161+601+234=996107×6+87=729496-189+13=320281-(765-615)=13186×7+302=904673+127-82=718984-130×3=594390-(99+16)=275380+602-742=240121+(563-532)=152971-(168+748)=5578×3=234728-514=214896+816+644=2356408-(374-176)=210499-276-35=18818×6=108962×(228-222)=5772213+71=28492×(179-171)=736268×3=804488-160-131=197400-(26+247)=127258-(921-718)=55119+169=28892-69=23167×(308-303)=835318-297-15=6556+737-42=1251445-(85+206)=154307+(492-393)=406550-49×2=452455-(248-133)=340692-18-505=169470-117=353670+786=1456900-323+867=1444216-37-173=62/8-1/8=1/8837×(408-399)=7533112+197+439=748902-836+723=78984×8+193=865191×3-112=461727+(747-446)=1028763-165-346=25284+335=419246+150=39637+(476-92)=421548+200×5=1548185+123+443=75177×7-170=36970×(64-58)=420942-138-232=57242×(242-238)=168149×6-321=573158+159=317813×5-147=3918260×(452-449)=78035×8=280780+468+182=1430480-102-338=4023×(29-25)=92379-310=69641×9-737=5032879×4-789=272727×9=24397×8=776568×(325-321)=2272887-536-155=196250×2-450=50427+77×6=889145-72×2=1106-16×2=74474-(141+153)=180397+123+426=946734-99-169=4662/4-1/4=1/4567×5=2835423-26×8=215858-(639-268)=487680+(809-382)=1107506+(811-715)=602123-81+172=214531+107=638790×9-686=6424790×2=158091×7+816=1453953-154