三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦98-34+853=3/8-2/8=279+(261-250)=54×2=884-(633+18)=31+17+385=445-(54+70)=290-19=695-97+380=152×3=467-(188+74)=405-252-31=482-287-164=970-226-635=173+(796-752)=314+(491-481)=688-(188-131)=40×8-226=737-435-142=326-(23+225)=497-(25+188)=777-502=204+220+222=258+77=329-(177-54)=118-99+51=259-(366-195)=301+84=254+(920-530)=967-955=599+149-448=971-741=305+11×6=377+(423-267)=207×(420-416)=242+34×9=268+(190-98)=852-56-342=208×(249-245)=364-59×6=58+36=476-(177+71)=288+217×3=919-(32+251)=228×6-733=205×3+13=304-304+287=928-19×4=782×2-159=85×(405-401)=335-(247-87)=38×(446-437)=347+31×3=1/7+4/7=977-(813-804)=376-76-243=271-(324-311)=225×4-102=957-(319+539)=162-(25+111)=140×(438-435)=107×8=685-346-101=395-(69+29)=4/8+2/8=226+961-497=386-(222+24)=225×4-615=116×3-19=151×5-145=373+202+415=103+246=923×(607-598)=396-(450-185)=399-11×2=99-25=476-(155+13)=230+269-111=291-(227-97)=148+64+35=671-42-557=4/7-3/7=431×3=273+161-17=31×5+225=410+(418-322)=357+330+555=415-107=908-(813+11)=725+48-169=483-119=21+(459-110)=108×7+343=222+402=98+248+100=931-881+467=1/5+2/5=149×6-110=112×5=205+453=57-(181-180)=792-132×6=436-26×4=758×3=624+(988-795)=262+(214-113)=591×9-614=688+345+521=138-107+39=129+323-161=750-(220+129)=355-(974-946)=350-(83-43)=755-(66+258)=41×(267-258)=429-377+224=222+(297-286)=94+628+467=469+642-775=426-115=224+633=447-281+84=759-(175+400)=429-235-141=589×(811-807)=430-(67+320)=776×4=490-(472-442)=106+134×4=330+117=282×2=807-(114+253)=368-(181+66)=123×(109-101)=283+(804-421)=389×4=750+(430-265)=149+238-294=28×5=570+(913-351)=343+118-391=325+920-265=2/6+4/6=91×7=793×6=481+(578-565)=887-150=595-(327-110)=559+389=301×9-301=819-77+300=257×5-351=163-57+339=179-(284-136)=749+373+60=662+263+51=271+47-109=928-290=96+85=939+421=382-164-177=600-(139+234)=492-(435-202)=237×2-418=2/7+4/7=208-(379-191)=525+(597-95)=58+297-153=123+455+618=292-58-83=486-(67-37)=805-259+458=475+277=348-182+648=453-288=699+693+789=993-511+452=106×(415-408)=884-140-156=338-259+86=132×(393-387)=449-108=586-332-127=1/6+4/6=925-393+825=593-530+652=394+(472-414)=900-(748-85)=385-46×4=93×4+902=17-16+311=715-58×4=96+381-41=328-147=294×7-994=215+283=476+187=183-(137-22)=691+783+350=136×(209-204)=797×4-264=455-146+142=141×2=324+83×4=273-255=814+419-302=850-(199+632)=712×3-145=225-157=6/7-1/7=694+141+720=320×(706-698)=21+291×2=3/6-2/6=43×(443-434)=131+(776-643)=761-142=361-100+231=444-91-190=949×(393-386)=506-(173+132)=576+(361-76)=370×2-737=299×8-602=316-251=3/7-1/7=651×8-507=195×2+364=49+407-216=686×5=965+420+307=282×(599-592)=173×2+880=336+595-565=63+332=298×3-333=304+69=368×2+184=380-44×6=371-197-84=163-88+518=961-(707-211)=674-40×5=598-504=228-194+226=443+15-190=195+195=377-209+178=392×(325-319)=931-475-433=901-(270+175)=341-55×4=50×5=70+466+333=106+85+673=300×(151-147)=226×3-365=55-(196-151)=87×(285-277)=29+(493-354)=905-(85+560)=370-126-230=165×4+930=262+939+195=6/10-4/10=425+880+422=292-(118+72)=66×9+77=1/7+3/7=292-39+130=406×(962-957)=402-378-15=631-136=473+24+653=292-34-202=220+237-35=444×(629-621)=51×2+401=1/7+5/7=313+141-78=470-179×2=634×(391-382)=376-110-115=287-(449-397)=688+272-214=471-(616-170)=283-217-51=478-212-136=558-324=724+772+363=84+(404-179)=135+361+118=47+146+652=319-66×3=470-(358-162)=845×8=49×8=487×(846-843)=379-150=118+238=294-126=990+568-929=981+(546-540)=319-(288-237)=184×(170-167)=443-313-87=159×(745-736)=215-(362-147)=643-(14+43)=476-93+108=390+121+188=321+(90-73)=624-(229-45)=291-210=3/5-1/5=202+881+933=165-138=308+(422-331)=83×3=336-(775-506)=975-187-680=553+172=405+122=88+221=585×3-654=811+265+852=215+263×2=382+(727-402)=922-217×4=1/5+3/5=372×2-405=165×4-50=6/8+2/8=452-402+171=629+581-396=970+(261-184)=563-134=2/8-1/8=442-265+154=304+296×3=109×4+428=624-(360-77)=103+211-309=104+14+742=865+372+504=497+128×7=701-21×6=403+171+297=2/5-1/5=477×2-416=17+381-250=853-(572-205)=133+121-241=48+46×4=751-(493-184)=129+320=127-55+320=48×6+46=457-67-311=428×2-572=818+(991-724)=926-15=626-127-343=23×4=167×4-588=302+190+355=236+(106-62)=942-(972-785)=389-376=392-320+206=461+(321-17)=114×(383-376)=10×5+169=681+891-296=437-(395-128)=70+179-86=99+285+272=39+384+277=128×3+54=512+117+269=44×(380-376)=480-12×4=515-(277-211)=886+94×4=842-138×5=470+388+21=610+230+93=40×(250-245)=729+(542-483)=498-(488-463)=218-16-168=384+(412-393)=134-21×3=275-63×4=28×3=484-229-43=821-654=141+203=786-537+274=72+196-248=50+(208-108)=399-149×2=60+37+647=675×7-491=191-24×7=830-108×4=849×7-847=399-200=332+315+39=792-141+70=952-105×2=2/7+3/7=81×4+485=644+(995-92)=480×5-313=620+772-209=392-387+155=264+223=761×2-915=343-246=363-20+27=795-536=381-11×5=433+132+75=255×2-480=496-296-32=879×(126-122)=499-394=407-(240+40)=331×3+421=584-13×3=178+144×2=82+10-62=863×3-522=370-(198+33)=322-(103+166)=303-296+440=711-48×7=427+(419-402)=811-699+447=703×(679-675)=883-606+607=451×2-365=84×(128-121)=641-100×4=436+(329-234)=715-133-360=698+987+156=668×3=489×2=576-200-140=47×9=38×2+321=333×7=924-109×5=870×7=226×(561-556)=29×(152-148)=280-144=157×4=93×(760-754)=563×2-682=579-(443-416)=330×3+272=856+246+420=200-134=141×6=319-159+273=560+(646-402)=781+725=265×4=515+840+98=647-222-105=840×(667-660)=507+207+156=405-(443-113)=971-234×2=373×(741-732)=354-70×2=464-(370-327)=931×(869-860)=981-973+950=473-90×2=119×5-156=844×(413-409)=890+(380-185)=110-23×4=481-211-117=375-353+564=877+609+971=70+56+681=89+(211-40)=301+177=138-(31+80)=225-194=914-(715+26)=896-72×3=23×(445-437)=113-(768-727)=898-566-154=964+(662-498)=451-71×5=330×(567-560)=35+24×9=656+850-231=204×3=273+347-530=109+146×3=781-214+814=659×5=327-64×3=977+741=421-(455-440)=184×4=121+74×7=304-60=440-75=777-118=111×2=96+342=497-217-16=883+24×8=840-320-164=631-(449-261)=960-(76+237)=271-43=122×8-89=425-107+102=29+212-214=419-51-340=471-(79+63)=479-352=613-57×7=877-(883-228)=516-96×4=21+(747-145)=447-(158-147)=199-60+179=858-57-723=53×4=186+665=267-(383-294)=385-127×3=316+101×3=12×(386-382)=456-(217+138)=844+592-327=541-248×2=334+84=742+199×2=521×(36-27)=232×(354-351)=374+101=466-(211+194)=268+757=193+39=170×3-149=36×5=294+31-280=801+980-217=707-(354+48)=474-(171+77)=52×6+353=362×2+573=138×6-376=56+430-356=163+172=258×2-306=198-61×3=297-(643-640)=702+40+26=401-(297+45)=964-(385-172)=42×3=617-201-242=918-(536+17)=519×2-470=231+(182-115)=958-74=766+70×4=275+48=248-74-123=283-(71+212)=72×(50-45)=282+616-264=269×3-367=320+(135-105)=578-(109+187)=798-40×8=56×(304-297)=562-243×2=18×(211-203)=313-296+68=392-(97+222)=744+874-110=403-377=340+(273-255)=25+409-39=1/8+4/8=55×7+238=707+173=110+234-215=923-298+612=385×7=260+235×2=78+416+413=181+202=857-298+713=157+137=357-82×2=379×8-607=341+663-764=142+230=651+94×2=108×(121-113)=148×5+50=892-753+655=134+332=774-(221+501)=269×3=168×(197-192)=192-154=54×(23-19)=310-(308-283)=909+79-180=441-397+251=337×8-33=261×3=712+91+596=31×3+370=38+907-16=39×8-266=62+294=448+155+84=844-302-42=410-(445-407)=185-123+141=803-617+526=396+36+521=295-13×3=830-59-369=993-195-478=52+89×4=182×4-65=392-176=349×2=57×3=283-100+235=158-21-69=13×(155-147)=381-319+58=238×2=123×8-885=420-(275+132)=337+226=358-(419-84)=482×2-19=267-(318-254)=97-(459-410)=54+399+882=692×(409-403)=2/4-1/4=137+(811-12)=480+44×9=273-145-84=476×3=152+143×5=531×5=308-(104+171)=466-10×5=192-74-77=400-331=428+174=224+(383-26)=182+56×8=494-106-99=255×2=980-826+986=473-144+274=187+87×2=368+123-283=393-129×3=223+213=293+(348-35)=934-329-180=254+599-549=272-98=22×(20-17)=711×(19-11)=529-11×5=809-48-146=38×7=490+751-643=4/9-1/9=413-(16+182)=236-18-205=122-(228-180)=647-(59+98)=620×(308-301)=481-127=687-(255+89)=750-198=71+160+659=736+141-40=625+226-626=68×6-258=374-(170+173)=461-158-83=471+739=477×8-169=360+303-399=613-23-547=752+346+68=814-85×8=34+374-192=382+(659-407)=458×2-330=625-(776-391)=128×5-194=146×6-428=950-189×2=411×6=641×8-356=456+626+707=309+(143-38)=59×(374-366)=308+390+214=905-198×2=27×3=446-154=804-412-291=849-573-125=317-(177-167)=340-112=162+326+313=37×8=372-260+351=2/3-1/3=902-(552+318)=107×5+194=444-340+313=314-208-52=388+388+210=225-(91+83)=773-115×4=170×2+467=45×9=754-141×5=486-(199+186)=466-255-35=828+127×3=232×5-396=142+270-83=553×(867-864)=128-21×5=210×3=636+658=399+(923-837)=758+153=621×8=133+161-252=213×3-32=964-(351+597)=376-(492-150)=581+500-389=307-221=256+(494-400)=12+213-115=869+790=192×(462-457)=140×7=372×2=856-650-177=389-(354+34)=680-(452+15)=44×6=101-13=303-71=131+274=212-138-20=752-207+814=734+890+439=836-442-46=931-538+58=431+259+233=364×2=52×4=31+100=70×7-394=80×5+994=42+404-289=117+(238-150)=577×5-477=552-90×6=227+41=75×9=358-(10+337)=234-14×7=436-21=429-18×8=399+53-76=486+257=432-22×4=511+174=459×9-645=307+46×9=605-85=585×9-253=631×(466-458)=275-(328-85)=455-(167-28)=467+173×2=278+(429-296)=599-58=824×(698-689)=355×7=315-(23+227)=578+282=175+115=495-104+19=643-162+140=199×2+374=588+(757-440)=784-263=471-(352+49)=189+169=118+(489-41)=335-257+143=983-(819+65)=219+(333-323)=704-219×3=90×9+945=515+201=109+296=737-147×2=374-(941-823)=228+353+605=66+(691-300)=406+(420-259)=324+161=104+162-251=795+205-652=278-119-37=973-717+905=389-(181+76)=496+(266-204)=352-(500-355)=374-64×2=946-908=286+116=459×2+30=58×3+223=160+(318-75)=336-34×4=228+204-235=417-(273-267)=420×6=558+140+671=582-544=657×5=226-55=175×(660-651)=168×4-529=463+(443-378)=參考答案98-34+853=9173/8-2/8=1/8279+(261-250)=29054×2=108884-(633+18)=23331+17+385=433445-(54+70)=321290-19=271695-97+380=978152×3=456467-(188+74)=205405-252-31=122482-287-164=31970-226-635=109173+(796-752)=217314+(491-481)=324688-(188-131)=63140×8-226=94737-435-142=160326-(23+225)=78497-(25+188)=284777-502=275204+220+222=646258+77=335329-(177-54)=206118-99+51=70259-(366-195)=88301+84=385254+(920-530)=644967-955=12599+149-448=300971-741=230305+11×6=371377+(423-267)=533207×(420-416)=828242+34×9=548268+(190-98)=360852-56-342=454208×(249-245)=832364-59×6=1058+36=94476-(177+71)=228288+217×3=939919-(32+251)=636228×6-733=635205×3+13=628304-304+287=287928-19×4=852782×2-159=140585×(405-401)=340335-(247-87)=17538×(446-437)=342347+31×3=4401/7+4/7=5/7977-(813-804)=968376-76-243=57271-(324-311)=258225×4-102=798957-(319+539)=99162-(25+111)=26140×(438-435)=420107×8=856685-346-101=238395-(69+29)=2974/8+2/8=6/8226+961-497=690386-(222+24)=140225×4-615=285116×3-19=329151×5-145=610373+202+415=990103+246=349923×(607-598)=8307396-(450-185)=131399-11×2=37799-25=74476-(155+13)=308230+269-111=388291-(227-97)=161148+64+35=247671-42-557=724/7-3/7=1/7431×3=1293273+161-17=41731×5+225=380410+(418-322)=506357+330+555=1242415-107=308908-(813+11)=84725+48-169=604483-119=36421+(459-110)=370108×7+343=1099222+402=62498+248+100=446931-881+467=5171/5+2/5=3/5149×6-110=784112×5=560205+453=65857-(181-180)=56792-132×6=0436-26×4=332758×3=2274624+(988-795)=817262+(214-113)=363591×9-614=4705688+345+521=1554138-107+39=70129+323-161=291750-(220+129)=401355-(974-946)=327350-(83-43)=310755-(66+258)=43141×(267-258)=369429-377+224=276222+(297-286)=23394+628+467=1189469+642-775=336426-115=311224+633=857447-281+84=250759-(175+400)=184429-235-141=53589×(811-807)=2356430-(67+320)=43776×4=3104490-(472-442)=460106+134×4=642330+117=447282×2=564807-(114+253)=440368-(181+66)=121123×(109-101)=984283+(804-421)=666389×4=1556750+(430-265)=915149+238-294=9328×5=140570+(913-351)=1132343+118-391=70325+920-265=9802/6+4/6=191×7=637793×6=4758481+(578-565)=494887-150=737595-(327-110)=378559+389=948301×9-301=2408819-77+300=1042257×5-351=934163-57+339=445179-(284-136)=31749+373+60=1182662+263+51=976271+47-109=209928-290=63896+85=181939+421=1360382-164-177=41600-(139+234)=227492-(435-202)=259237×2-418=562/7+4/7=6/7208-(379-191)=20525+(597-95)=102758+297-153=202123+455+618=1196292-58-83=151486-(67-37)=456805-259+458=1004475+277=752348-182+648=814453-288=165699+693+789=2181993-511+452=934106×(415-408)=742884-140-156=588338-259+86=165132×(393-387)=792449-108=341586-332-127=1271/6+4/6=5/6925-393+825=1357593-530+652=715394+(472-414)=452900-(748-85)=237385-46×4=20193×4+902=127417-16+311=312715-58×4=48396+381-41=436328-147=181294×7-994=1064215+283=498476+187=663183-(137-22)=68691+783+350=1824136×(209-204)=680797×4-264=2924455-146+142=451141×2=282324+83×4=656273-255=18814+419-302=931850-(199+632)=19712×3-145=1991225-157=686/7-1/7=5/7694+141+720=1555320×(706-698)=256021+291×2=6033/6-2/6=1/643×(443-434)=387131+(776-643)=264761-142=619361-100+231=492444-91-190=163949×(393-386)=6643506-(173+132)=201576+(361-76)=861370×2-737=3299×8-602=1790316-251=653/7-1/7=2/7651×8-507=4701195×2+364=75449+407-216=240686×5=3430965+420+307=1692282×(599-592)=1974173×2+880=1226336+595-565=36663+332=395298×3-333=561304+69=373368×2+184=920380-44×6=116371-197-84=90163-88+518=593961-(707-211)=465674-40×5=474598-504=94228-194+226=260443+15-190=268195+195=390377-209+178=346392×(325-319)=2352931-475-433=23901-(270+175)=456341-55×4=12150×5=25070+466+333=869106+85+673=864300×(151-147)=1200226×3-365=31355-(196-151)=1087×(285-277)=69629+(493-354)=168905-(85+560)=260370-126-230=14165×4+930=1590262+939+195=13966/10-4/10=2/10425+880+422=1727292-(118+72)=10266×9+77=6711/7+3/7=4/7292-39+130=383406×(962-957)=2030402-378-15=9631-136=495473+24+653=1150292-34-202=56220+237-35=422444×(629-621)=355251×2+401=5031/7+5/7=6/7313+141-78=376470-179×2=112634×(391-382)=5706376-110-115=151287-(449-397)=235688+272-214=746471-(616-170)=25283-217-51=15478-212-136=130558-324=234724+772+363=185984+(404-179)=309135+361+118=61447+146+652=845319-66×3=121470-(358-162)=274845×8=676049×8=392487×(846-843)=1461379-150=229118+238=356294-126=168990+568-929=629981+(546-540)=987319-(288-237)=268184×(170-167)=552443-313-87=43159×(745-736)=1431215-(362-147)=0643-(14+43)=586476-93+108=491390+121+188=699321+(90-73)=338624-(229-45)=440291-210=813/5-1/5=2/5202+881+933=2016165-138=27308+(422-331)=39983×3=249336-(775-506)=67975-187-680=108553+172=725405+122=52788+221=309585×3-654=1101811+265+852=1928215+263×2=741382+(727-402)=707922-217×4=541/5+3/5=4/5372×2-405=339165×4-50=6106/8+2/8=1452-402+171=221629+581-396=814970+(261-184)=1047563-134=4292/8-1/8=1/8442-265+154=331304+296×3=1192109×4+428=864624-(360-77)=341103+211-309=5104+14+742=860865+372+504=1741497+128×7=1393701-21×6=575403+171+297=8712/5-1/5=1/5477×2-416=53817+381-250=148853-(572-205)=486133+121-241=1348+46×4=232751-(493-184)=442129+320=449127-55+320=39248×6+46=334457-67-311=79428×2-572=284818+(991-724)=1085926-15=911626-127-343=15623×4=92167×4-588=80302+190+355=847236+(106-62)=280942-(972-785)=755389-376=13392-320+206=278461+(321-17)=765114×(383-376)=79810×5+169=219681+891-296=1276437-(395-128)=17070+179-86=16399+285+272=65639+384+277=700128×3+54=438512+117+269=89844×(380-376)=176480-12×4=432515-(277-211)=449886+94×4=1262842-138×5=152470+388+21=879610+230+93=93340×(250-245)=200729+(542-483)=788498-(488-463)=473218-16-168=34384+(412-393)=403134-21×3=71275-63×4=2328×3=84484-229-43=212821-654=167141+203=344786-537+274=52372+196-248=2050+(208-108)=150399-149×2=10160+37+647=744675×7-491=4234191-24×7=23830-108×4=398849×7-847=5096399-200=199332+315+39=686792-141+70=721952-105×2=7422/7+3/7=5/781×4+485=809644+(995-92)=1547480×5-313=2087620+772-209=1183392-387+155=160264+223=487761×2-915=607343-246=97363-20+27=370795-536=259381-11×5=326433+132+75=640255×2-480=30496-296-32=168879×(126-122)=3516499-394=105407-(240+40)=127331×3+421=1414584-13×3=545178+144×2=46682+10-62=30863×3-522=2067370-(198+33)=139322-(103+166)=53303-296+440=447711-48×7=375427+(419-402)=444811-699+447=559703×(679-675)=2812883-606+607=884451×2-365=53784×(128-121)=588641-100×4=241436+(329-234)=531715-133-360=222698+987+156=1841668×3=2004489×2=978576-200-140=23647×9=42338×2+321=397333×7=2331924-109×5=379870×7=6090226×(561-556)=113029×(152-148)=116280-144=136157×4=62893×(760-754)=558563×2-682=444579-(443-416)=552330×3+272=1262856+246+420=1522200-134=66141×6=846319-159+273=433560+(646-402)=804781+725=1506265×4=1060515+840+98=1453647-222-105=320840×(667-660)=5880507+207+156=870405-(443-113)=75971-234×2=503373×(741-732)=3357354-70×2=214464-(370-327)=421931×(869-860)=8379981-973+950=958473-90×2=293119×5-156=439844×(413-409)=3376890+(380-185)=1085110-23×4=18481-211-117=153375-353+564=586877+609+971=245770+56+681=80789+(211-40)=260301+177=478138-(31+80)=27225-194=31914-(715+26)=173896-72×3=68023×(445-437)=184113-(768-727)=72898-566-154=178964+(662-498)=1128451-71×5=96330×(567-560)=231035+24×9=251656+850-231=1275204×3=612273+347-530=90109+146×3=547781-214+814=1381659×5=3295327-64×3=135977+741=1718421-(455-440)=406184×4=736121+74×7=639304-60=244440-75=365777-118=659111×2=22296+342=438497-217-16=264883+24×8=1075840-320-164=356631-(449-261)=443960-(76+237)=647271-43=228122×8-89=887425-107+102=42029+212-214=27419-51-340=28471-(79+63)=329479-352=127613-57×7=214877-(883-228)=222516-96×4=13221+(747-145)=623447-(158-147)=436199-60+179=318858-57-723=7853×4=212186+665=851267-(383-294)=178385-127×3=4316+101×3=61912×(386-382)=48456-(217+138)=101844+592-327=1109541-248×2=45334+84=418742+199×2=1140521×(36-27)=4689232×(354-351)=696374+101=475466-(211+194)=61268+757=1025193+39=232170×3-149=36136×5=180294+31-280=45801+980-217=1564707-(354+48)=305474-(171+77)=22652×6+353=665362×2+573=1297138×6-376=45256+430-356=130163+172=335258×2-306=210198-61×3=15297-(643-640)=294702+40+26=768401-(297+45)=59964-(385-172)=75142×3=126617-201-242=174918-(536+17)=365519×2-470=568231+(182-115)=298958-74=884766+70×4=1046275+48=323248-74-123=51283-(71+212)=072×(50-45)=360282+616-264=634269×3-367=440320+(135-105)=350578-(109+187)=282798-40×8=47856×(304-297)=392562-243×2=7618×(211-203)=144313-296+68=85392-(97+222)=73744+874-110=1508403-377=26340+(273-255)=35825+409-39=3951/8+4/8=5/855×7+238=623707+173=880110+234-215=129923-298+612=1237385×7=2695260+235×2=73078+416+413=907181+202=383857-298+713=1272157+137=294357-82×2=193379×8-607=2425341+663-764=240142+230=372651+94×2=839108×(121-113)=864148×5+50=790892-753+655=794134+332=466774-(221+501)=52269×3=807168×(197-192)=840192-154=3854×(23-19)=216310-(308-283)=285909+79-180=808441-397+251=295337×8-33=2663261×3=783712+91+596=139931×3+370=46338+907-16=92939×8-266=4662+294=356448+155+84=687844-302-42=500410-(445-407)=372185-123+141=203803-617+526=712396+36+521=953295-13×3=256830-59-369=402993-195-478=32052+89×4=408182×4-65=663392-176=216349×2=69857×3=171283-100+235=418158-21-69=6813×(155-147)=104381-319+58=120238×2=476123×8-885=99420-(275+132)=13337+226=563358-(419-84)=23482×2-19=945267-(318-254)=20397-(459-410)=4854+399+882=1335692×(409-403)=41522/4-1/4=1/4137+(811-12)=936480+44×9=876273-145-84=44476×3=1428152+143×5=867531×5=2655308-(104+171)=33466-10×5=416192-74-77=41400-331=69428+174=602224+(383-26)=581182+56×8=630494-106-99=289255×2=510980-826+986=1140473-144+274=603187+87×2=361368+123-283=208393-129×3=6223+213=436293+(348-35)=606934-329-180=425254+599-549=304272-98=17422×(20-17)=66711×(19-11)=5688529-11×5=474809-48-146=61538×7=266490+751-643=5984/9-1/9=3/9413-(16+182)=215236-18-205=13122-(228-180)=74647-(59+98)=490620×(308-301)=4340481-127=354687-(255+89)=343750-198=55271+160+659=890736+141-40=837625+226-626=22568×6-258=150374-(170+173)=3