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480+(415-389)=650-110-458=282-132=339-116-180=157+266-350=206+692=117-25×4=490-(12+259)=479-97=29×(104-101)=4/7-1/7=210-(68+141)=994+277-259=188+341-428=300-(344-305)=831-58×4=936+250×4=341-(12+218)=211+267-209=46+120-85=107×2=207-92=177-19+236=1/10+5/10=930-10=30×5-31=794-125×6=131+134×2=932-(43+174)=657-(763-295)=499×(881-873)=397-(178+65)=689-129×2=68+342-89=990+807-748=202-(336-173)=387+48×5=99×4-136=550-162-289=456-79-356=87+310=30×8-222=469+(184-93)=381-24×5=61+454+342=4/7-2/7=472-189=937-34=485×8=97×9-734=197×2+465=298+156-383=288-79=954-153=570+(876-220)=258+39×3=767-525-202=216+(302-289)=280+948+528=360-(869-695)=153×3=842×5-478=412-(278+88)=203+49=568×6-244=945-(180+753)=195+150+552=630+164=449+(840-24)=604+132×5=353+341=496-(52+275)=75×5-270=161×8-863=195×(86-81)=407-(263-130)=854+(389-274)=810-181×2=997+678+169=854-(377-356)=226+813-271=3/9+5/9=697×(618-613)=306-46×2=162+(194-189)=330-251=397-38×5=3/8+4/8=5/7-2/7=487-151=548-(331+26)=310×3-510=76+212=802-(645-317)=448×2=19×4+363=143+156=799×6-983=237×4+897=358-47=485-110×3=937-364-267=909-(505+135)=257+158-389=557-147+320=194×5-646=457-323=135×4=129-56=2/7+4/7=357+310-128=771-125+907=48+157+316=322-263+271=336-303=471+(458-193)=815-(304+184)=427-159-29=282+(351-79)=301-166+964=789+969-216=292+119×3=396×7-283=812-281-507=215-(311-218)=447-440+247=13+(954-893)=985-319-27=68+290+167=149+53=789-706=454-303+266=663-(451-328)=447+609+363=487+118+351=18×2=928-(420+434)=612-247-29=7/9+2/9=530×3=569-(153+258)=814+(908-624)=596+135×6=312×3-708=385-(221+16)=248-77+101=99-12×2=258-(236-102)=58×6-118=234+122×6=266-183+302=204-53=362×(769-764)=16+998-430=496-113×3=926+482+557=469×2+909=120×(581-574)=1/8+3/8=481-254+70=62×9=757-41×7=436+25-25=240-35×3=828+332+895=497-(170+111)=858-395=363-289-18=558+888-595=656×(109-101)=923-889+85=778+475-663=466-99-215=250+210=151-(421-413)=352+97-68=475+(392-148)=73+104+509=233-(303-208)=951-104×8=438-180-188=609-(990-383)=475-224+146=95-49=466+(422-301)=232+202=500+(482-431)=381+(408-159)=590+584-938=282×2-179=39×9-315=638-32×3=11+440-32=911-574+324=517+295=919-825=394+(478-476)=975+713=422-(40+153)=368-289+52=150+342-269=64+207-105=725-254-471=51+48+614=79+333=890-88-698=687+341+514=403-301+156=75×8=437×2=469+146+139=470-(377-106)=542×2=83+531+352=1/8+6/8=245-(17-13)=133×3=489×2=83+236=872-15×7=70×8-387=47×(345-338)=236+(314-149)=452-18-330=28+318-249=182×2+231=1/4+2/4=379-(223+96)=98×6=973-129×7=914-(404+497)=11×7+54=308+58=465-304-71=921-(514-54)=279×3-524=331-51-44=263×2=462-287+216=560-(761-452)=318+65=100×7-420=194×(343-339)=342-(12+321)=464+99×4=399-45×4=737-274=198+146=328+(752-518)=409-(84+232)=550-25×2=571-233=429-26×7=92+235-24=899×(837-831)=296×(427-421)=17×(485-478)=380-347=1/6+4/6=438+(921-503)=247×3-354=366+136+98=667-148-280=700×2-280=864+514-387=201+276-314=846-(344+424)=267+128-160=603+435=902-856+624=700+(918-283)=831-261=54×4+181=769-665+108=481+(469-248)=36×(387-380)=212-(351-330)=249-76-53=552+446-401=607+312=498-101=358-153-105=458×(31-22)=350+198-269=178-(436-430)=116×(249-244)=991-256×2=318-58=66+238=683-503-160=413-306=121×7-78=58+124×7=58+82=251-37×6=78×(474-470)=382-(149+66)=281+460=370+102=420-68-180=73×(291-288)=728-105×3=583+575-62=714+682+896=181-16×2=89×(18-12)=787-(359-40)=262+157×2=353-124-52=358-76+36=889+634-712=3/5-2/5=375×2-297=907+731-177=977-(151+174)=270+(390-252)=54×4+332=748-233-333=666+(836-469)=864-270-465=384+116-253=25×(153-146)=348×(977-970)=94×5-299=312-(355-50)=180×7=454-44=476-100=453+70+46=464×7=101×(376-370)=604×8-828=320-129+281=805+622=745-(853-242)=336-(264+13)=123×6+611=589-(898-650)=367+(472-248)=490-190=775+(893-496)=407-24×8=196-17×9=88×(404-395)=398×(454-450)=142-(455-340)=851-849+498=987-(717+135)=74×8+386=264×2=302-(398-319)=136×3=706×(127-121)=123×8-631=150×4=302×(269-266)=68-(456-398)=785-765+992=351-(344-208)=85×4=454×(774-769)=412+(153-125)=86×7-196=25×3+298=879×5-673=714+24+215=142-16×3=856-(473+38)=765+599=711-(219+291)=733×(913-906)=784-55×5=640+181=870-304+27=217+598+174=302×2=305-(179+118)=965+489×2=939+126×2=2/9-1/9=480-(895-666)=792+(915-528)=78+237-273=98+(405-202)=295×(533-530)=104×8=854-340+37=230×3=271-(381-374)=207+275-269=634-(287+203)=323+627-595=73×(399-390)=487+(131-46)=188×(467-463)=486-(257-206)=170×3=828-132-573=205+404+618=611-131=477-(10+204)=527×9=122-(363-351)=266+(256-103)=287+341=469×7=538-194-93=943+953+649=288×2=265+161=80×4=14+50×5=173+216=771×4-508=146-15×8=181+163×2=109×6-539=491-(36+408)=413-99×4=640-78×5=95×7=22×(78-71)=53×(455-448)=485-137=425-80×5=67×4+274=743-624-31=110×(55-48)=471-444=138+139=76+(621-377)=979-(205+365)=225+183=970×(423-419)=471+357-753=381-257+207=151×3=707+217=130+(337-161)=235×3-308=35+129=100+743+346=1/8+4/8=208+173-211=983-155×6=140×(28-23)=357-(236-36)=232+722+660=99×(248-243)=497-440=397-353+14=320-(309-91)=416-189×2=341+147+152=389+251+342=436-25×2=545-100-94=435-(24+237)=989-84×8=39×9-222=261+520=649+124=437-292-77=347-(165+11)=384-130-212=799-294-48=737-605+746=116+907-949=239+745=355-85=565×(297-292)=458+189-129=636-294=696-18-252=266-10-193=856-100×6=251×3=983×4=385-235=919-(182-77)=499×(902-896)=216+27-102=851+830+884=974-287=148-(334-275)=51+427-336=139×3+432=748-(32+707)=483-344+191=463-138-176=227×5-224=106+273×2=491×2-845=442-49=458+224=993-(38+589)=392-293-45=226+319+428=722-69×8=467-18=485-(61+134)=263+118+110=319+(205-153)=81+42×5=452-(749-598)=984-490+875=760+(890-670)=466-351=466-346+267=52+694+282=202×7-790=293-190+600=420+744+842=374-262+79=258-63-120=244-13×8=285×2+538=62+397+511=161-(98+22)=86×8-231=342+391=151+(378-77)=391+(238-90)=4/8-3/8=431-208=6/9-3/9=420+136×2=425×2+139=159-27-57=920-(636+99)=610-244=349-73=338+98×5=782×6-946=2/3-1/3=344+91-434=404-297+359=92+(297-171)=216-20×9=490-442+364=454×8-417=71×7-73=533-(550-37)=186×4=325-45×3=943-106×5=656+331-458=204-(224-172)=596-559+434=275×(592-586)=231×4+59=3/6-1/6=407-239+858=43×7+332=492-300+248=677-337+131=53×6=92×(459-454)=343-(142+78)=84×7+68=706×5-470=210×5=551-43×6=28×(250-243)=854+(906-227)=563-131×2=473+34×4=202+715+15=406+228×2=404-195-15=786+197+15=631-67×8=626-(958-898)=808-554=69×5=418-42×4=465-131-51=664+183+27=845×(569-563)=979×9=805-(761-82)=456-(152+296)=304×2-115=198-168+467=251+377+197=265+(624-489)=108+534+86=52+532+185=576-30=243+89-23=46+37=98+824-862=226+372+644=136×5=74+(443-259)=500-59×3=175×5-725=292-76=970+(854-605)=86×8=898+662+474=394+662+796=866-42-482=271-(316-68)=88×(332-325)=87+111=328×7=877-(305+493)=106-23-45=196+83+50=191+166=401×2+50=384+474+652=331-55=490-(130+323)=664+(413-314)=60+49=498-166-277=436+(394-331)=205+268-14=381-206-54=772-216×3=440+(280-82)=658-321=322-(123+139)=160×5+81=895-138=253-(121+84)=452-439+244=847-(834-181)=5/8-2/8=843-(237+459)=290-117+145=436-369-31=29×8+720=292-132+56=418-131-73=716-(455-355)=111+102=516×5-108=228+178×3=326×2-274=461-364=191-(420-255)=216-22×7=349+93=439-168-176=742+968=92+933+295=744-199-397=890-775+987=106-33×3=695+781+299=10×(364-357)=39×8+355=80×(392-386)=788×4-685=69+72=125-(241-134)=698-(901-368)=98+235=414+21×3=517+492=325-(293-195)=306+79-222=927-339+110=936×3=292-191+223=934-230=384-234-15=528+638=417+204+272=725-562=140×7=117×5+127=244-(168-23)=418+273×2=172+525-446=632×9=94+(257-16)=13+558+422=750+274+754=448×5=935+(401-113)=947-926=394+51×3=280+(379-70)=996+34+176=78+(406-390)=371-63-11=138×5=168-134+374=107-40+210=634×(819-816)=892-(479+335)=134-(684-678)=130-26×3=820×3=587-(910-831)=295-240+345=90×(441-436)=702×7=272×7-145=949×3=493+212×3=902-124×7=309×9-301=413-87=812-268=237×4=164+233=412-(50+85)=60+(581-153)=271×(952-943)=5/8-1/8=181×3-290=404-(90+62)=176+(360-237)=592+369=410-72×3=470+287=887-374-317=940+129+82=136+475+45=494+126+536=673-(243+259)=895-(876-480)=12×4=839+851-313=894×8=348+80=434-17-205=232+72×2=966-(842-492)=528+(770-701)=468-225+11=107-26×3=622-134-418=299-127=723×4=421-(294-51)=100×(427-421)=907×5-395=591-471-12=210-(52+140)=393-244+843=487-40×4=421-(72+341)=331-47-194=47×2+36=24+194-159=101+97+897=162×(149-146)=186+268+67=273-(67-42)=222-(51+167)=721-(833-280)=311×2-335=420-(488-99)=80×6+84=684×5-728=420×6-648=971-63-80=289-117+162=2/5-1/5=18+318-200=496+162+200=490-448+410=244×4-797=658-44×8=145+295=243×(487-484)=439-231+147=5/9+3/9=683-(448+201)=133×(59-55)=273+110=477×3-702=301-(154+124)=273-70×2=595×9=54×(300-295)=49+49×3=546+78×8=602-357-216=186+67=444-170=152+141×4=209+(897-670)=585-56×8=159-125+165=794-(636-564)=711-174+459=286×2=464+296+174=237-45=611+236-404=345×2=386-342+181=842-95-299=16×2+535=850+799=310-(218-209)=820×6=172×5-430=13×(278-273)=282×7-209=311×2=918×9=210-(36+77)=424×(104-99)=963-594+477=824-538+17=119×2-230=123×(491-486)=716-(460+31)=335-(461-285)=127+508+164=18+343+189=98×5+235=129+56=377+(851-566)=938×(121-114)=103+360-213=136×4-142=83+727+110=693-606=258+(203-69)=811-71+211=33×(164-157)=226-(34+130)=368+11-361=170×(184-180)=84+310-208=316+(959-560)=509+529-594=662+808-148=441×6-483=139×(316-312)=619+706-114=248×2-276=49+307-35=540-169+516=661-133-271=861-(38+373)=959×5=137×5+60=378-33×5=3/10+2/10=133+295-334=497+142+102=137+(164-77)=41×4+384=487+229=327+(291-287)=88×5+625=333+601=33+(474-457)=126+(815-586)=283-183=423-13×3=693-(742-312)=752-(552+103)=320+(966-722)=參考答案480+(415-389)=506650-110-458=82282-132=150339-116-180=43157+266-350=73206+692=898117-25×4=17490-(12+259)=219479-97=38229×(104-101)=874/7-1/7=3/7210-(68+141)=1994+277-259=1012188+341-428=101300-(344-305)=261831-58×4=599936+250×4=1936341-(12+218)=111211+267-209=26946+120-85=81107×2=214207-92=115177-19+236=3941/10+5/10=6/10930-10=92030×5-31=119794-125×6=44131+134×2=399932-(43+174)=715657-(763-295)=189499×(881-873)=3992397-(178+65)=154689-129×2=43168+342-89=321990+807-748=1049202-(336-173)=39387+48×5=62799×4-136=260550-162-289=99456-79-356=2187+310=39730×8-222=18469+(184-93)=560381-24×5=26161+454+342=8574/7-2/7=2/7472-189=283937-34=903485×8=388097×9-734=139197×2+465=859298+156-383=71288-79=209954-153=801570+(876-220)=1226258+39×3=375767-525-202=40216+(302-289)=229280+948+528=1756360-(869-695)=186153×3=459842×5-478=3732412-(278+88)=46203+49=252568×6-244=3164945-(180+753)=12195+150+552=897630+164=794449+(840-24)=1265604+132×5=1264353+341=694496-(52+275)=16975×5-270=105161×8-863=425195×(86-81)=975407-(263-130)=274854+(389-274)=969810-181×2=448997+678+169=1844854-(377-356)=833226+813-271=7683/9+5/9=8/9697×(618-613)=3485306-46×2=214162+(194-189)=167330-251=79397-38×5=2073/8+4/8=7/85/7-2/7=3/7487-151=336548-(331+26)=191310×3-510=42076+212=288802-(645-317)=474448×2=89619×4+363=439143+156=299799×6-983=3811237×4+897=1845358-47=311485-110×3=155937-364-267=306909-(505+135)=269257+158-389=26557-147+320=730194×5-646=324457-323=134135×4=540129-56=732/7+4/7=6/7357+310-128=539771-125+907=155348+157+316=521322-263+271=330336-303=33471+(458-193)=736815-(304+184)=327427-159-29=239282+(351-79)=554301-166+964=1099789+969-216=1542292+119×3=649396×7-283=2489812-281-507=24215-(311-218)=122447-440+247=25413+(954-893)=74985-319-27=63968+290+167=525149+53=202789-706=83454-303+266=417663-(451-328)=540447+609+363=1419487+118+351=95618×2=36928-(420+434)=74612-247-29=3367/9+2/9=1530×3=1590569-(153+258)=158814+(908-624)=1098596+135×6=1406312×3-708=228385-(221+16)=148248-77+101=27299-12×2=75258-(236-102)=12458×6-118=230234+122×6=966266-183+302=385204-53=151362×(769-764)=181016+998-430=584496-113×3=157926+482+557=1965469×2+909=1847120×(581-574)=8401/8+3/8=4/8481-254+70=29762×9=558757-41×7=470436+25-25=436240-35×3=135828+332+895=2055497-(170+111)=216858-395=463363-289-18=56558+888-595=851656×(109-101)=5248923-889+85=119778+475-663=590466-99-215=152250+210=460151-(421-413)=143352+97-68=381475+(392-148)=71973+104+509=686233-(303-208)=138951-104×8=119438-180-188=70609-(990-383)=2475-224+146=39795-49=46466+(422-301)=587232+202=434500+(482-431)=551381+(408-159)=630590+584-938=236282×2-179=38539×9-315=36638-32×3=54211+440-32=419911-574+324=661517+295=812919-825=94394+(478-476)=396975+713=1688422-(40+153)=229368-289+52=131150+342-269=22364+207-105=166725-254-471=051+48+614=71379+333=412890-88-698=104687+341+514=1542403-301+156=25875×8=600437×2=874469+146+139=754470-(377-106)=199542×2=108483+531+352=9661/8+6/8=7/8245-(17-13)=241133×3=399489×2=97883+236=319872-15×7=76770×8-387=17347×(345-338)=329236+(314-149)=401452-18-330=10428+318-249=97182×2+231=5951/4+2/4=3/4379-(223+96)=6098×6=588973-129×7=70914-(404+497)=1311×7+54=131308+58=366465-304-71=90921-(514-54)=461279×3-524=313331-51-44=236263×2=526462-287+216=391560-(761-452)=251318+65=383100×7-420=280194×(343-339)=776342-(12+321)=9464+99×4=860399-45×4=219737-274=463198+146=344328+(752-518)=562409-(84+232)=93550-25×2=500571-233=338429-26×7=24792+235-24=303899×(837-831)=5394296×(427-421)=177617×(485-478)=119380-347=331/6+4/6=5/6438+(921-503)=856247×3-354=387366+136+98=600667-148-280=239700×2-280=1120864+514-387=991201+276-314=163846-(344+424)=78267+128-160=235603+435=1038902-856+624=670700+(918-283)=1335831-261=57054×4+181=397769-665+108=212481+(469-248)=70236×(387-380)=252212-(351-330)=191249-76-53=120552+446-401=597607+312=919498-101=397358-153-105=100458×(31-22)=4122350+198-269=279178-(436-430)=172116×(249-244)=580991-256×2=479318-58=26066+238=304683-503-160=20413-306=107121×7-78=76958+124×7=92658+82=140251-37×6=2978×(474-470)=312382-(149+66)=167281+460=741370+102=472420-68-180=17273×(291-288)=219728-105×3=413583+575-62=1096714+682+896=2292181-16×2=14989×(18-12)=534787-(359-40)=468262+157×2=576353-124-52=177358-76+36=318889+634-712=8113/5-2/5=1/5375×2-297=453907+731-177=1461977-(151+174)=652270+(390-252)=40854×4+332=548748-233-333=182666+(836-469)=1033864-270-465=129384+116-253=24725×(153-146)=175348×(977-970)=243694×5-299=171312-(355-50)=7180×7=1260454-44=410476-100=376453+70+46=569464×7=3248101×(376-370)=606604×8-828=4004320-129+281=472805+622=1427745-(853-242)=134336-(264+13)=59123×6+611=1349589-(898-650)=341367+(472-248)=591490-190=300775+(893-496)=1172407-24×8=215196-17×9=4388×(404-395)=792398×(454-450)=1592142-(455-340)=27851-849+498=500987-(717+135)=13574×8+386=978264×2=528302-(398-319)=223136×3=408706×(127-121)=4236123×8-631=353150×4=600302×(269-266)=90668-(456-398)=10785-765+992=1012351-(344-208)=21585×4=340454×(774-769)=2270412+(153-125)=44086×7-196=40625×3+298=373879×5-673=3722714+24+215=953142-16×3=94856-(473+38)=345765+599=1364711-(219+291)=201733×(913-906)=5131784-55×5=509640+181=821870-304+27=593217+598+174=989302×2=604305-(179+118)=8965+489×2=1943939+126×2=11912/9-1/9=1/9480-(895-666)=251792+(915-528)=117978+237-273=4298+(405-202)=301295×(533-530)=885104×8=832854-340+37=551230×3=690271-(381-374)=264207+275-269=213634-(287+203)=144323+627-595=35573×(399-390)=657487+(131-46)=572188×(467-463)=752486-(257-206)=435170×3=510828-132-573=123205+404+618=1227611-131=480477-(10+204)=263527×9=4743122-(363-351)=110266+(256-103)=419287+341=628469×7=3283538-194-93=251943+953+649=2545288×2=576265+161=42680×4=32014+50×5=264173+216=389771×4-508=2576146-15×8=26181+163×2=507109×6-539=115491-(36+408)=47413-99×4=17640-78×5=25095×7=66522×(78-71)=15453×(455-448)=371485-137=348425-80×5=2567×4+274=542743-624-31=88110×(55-48)=770471-444=27138+139=27776+(621-377)=320979-(205+365)=409225+183=408970×(423-419)=3880471+357-753=75381-257+207=331151×3=453707+217=924130+(337-161)=306235×3-308=39735+129=164100+743+346=11891/8+4/8=5/8208+173-211=170983-155×6=53140×(28-23)=700357-(236-36)=157232+722+660=161499×(248-243)=495497-440=57397-353+14=58320-(309-91)=102416-189×2=38341+147+152=640389+251+342=982436-25×2=386545-100-94=351435-(24+237)=174989-84×8=31739×9-222=129261+520=781649+124=773437-292-77=68347-(165+11)=171384-130-212=42799-294-48=457737-605+746=878116+907-949=74239+745=984355-85=270565×(297-292)=2825458+189-129=518636-294=342696-18-252=426266-10-193=63856-100×6=256251×3=753983×4=3932385-235=150919-(182-77)=814499×(902-896)=2994216+27-102=141851+830+884=2565974-287=687148-(334-275)=8951+427-336=142139×3+432=849748-(32+707)=9483-344+191=330463-138-176=149227×5-224=911106+273×2=652491×2-845=137442-49=393458+224=682993-(38+589)=366392-293-45=54226+319+428=973722-69×8=170467-18=449485-(61+134)=290263+118+110=491319+(205-153)=37181+42×5=291452-(749-598)=301984-490+875=1369760+(890-670)=980466-351=115466-346+267=38752+694+282=1028202×7-790=624293-190+600=703420+744+842=2006374-262+79=191258-63-120=75244-13×8=140285×2+538=110862+397+511=970161-(98+22)=4186×8-231=457342+391=733151+(378-77)=452391+(238-90)=5394/8-3/8=1/8431-208=2236/9-3/9=3/9420+136×2=692425×2+139=989159-27-57=75920-(636+99)=185610-244=366349-73=276338+98×5=828782×6-946=37462/3-1/3=1/3344+91-434=1404-297+359=46692+(297-171)=218216-20×9=36490-442+364=412454×8-417=321571×7-73=424533-(550-37)=20186×4=744325-45×3=190943-106×5=413656+331-458=529204-(224-172)=152596-559+434=471275×(592-586)=1650231×4+59=9833/6-1/6=2/6407-239+858=102643×7+332=633492-300+248=440677-337+131=47153×6=31892×(459-454)=460343-(142+78)=12384×7+68=656706×5-470=3060210×5=1050551-43×6=29328×(250-243)=196854+(906-227)=1533563-131×2=301473+34×4=609202+715+15=932406+228×2=862404-195-15=194786+197+15=998631-67×8=95626-(958-898)=566808-554=25469×5=345418-42×4=250465-131-51=283664+183+27=874845×(569-563)=5070979×9=8811805-(761-82)=126456-(152+296)=8304×2-115=493198-168+467=497251+377+197=825265+(624-489)=400108+534+86=72852+532+185=769576-30=546243+89-23=30946+37=8398+824-862=60226+372+644=1242136×5=68074+(443-259)=258500-59×3=323175×5-725=150292-76=216970+(854-605)=121986×8=688898+662+474=2034394+662+796=1852866-42-482=342271-(316-68)=2388×(332-325)=61687+111=198328×7=2296877-(305+493)=79106-23-45=38196+83+50=329191+166=357401×2+50=852384+474+652=1510331-55=276490-(130+323)=37664+(413-314)=76360+49=109498-166-277=55436+(394-331)=499205+268-14=459381-206-54=121772-216×3=124440+(280-82)=638658-321=337322-(123+139)=60160×5+81=881895-138=757253-(121+84)=48452-439+244=257847-(834-181)=1945/8-2/8=3/8843-(237+459)=147290-117+145=318436-369-31=3629×8+720=952292-132+56=216418-131-73=214716-(455-355)=616111+102=213516×5-108=2472228+178×3=762326×2-274=378461-364=97191-(420-255)=26216-22×7=62349+93=442439-168-176=95742+968=171092+933+295=1320744-199-397=148890-775+987=1102106-33×3=7695+781+299=177510×(364-357)=7039×8+355=66780×(392-386)=480788×4-685=246769+72=141125-(241-134)=18698-(901-368)=16598+235=333414+21×3=477517+492=1009325-(293-195)=227306+79-222=163927-339+110=698936×3=2808292-191+223=324934-230=704384-234-15=135528+638=1166417+204+272=893725-562=163140×7=980117×5+127=712244-(168-23)=99418+273×2=964172+525-446=251632×9=568894+(257-16)=33513+558+422=993750+274+754=1778448×5=2240935+(401-113)=1223947-926=21394+51×3=547280+(379-70)=589996+34+176=120678+(406-390)=94371-63-11=297138×5=690168-134+374=408107-40+210=277634×(819-816)=1902892-(479+335)=78134-(684-678)=128130-26×3=52820×3=2460587-(910-831)=508295-240+345=40090×(441-436)=450702×7=4914272×7-145=1759949×3=2847493+212×3=1129902-124×7=34309×9-301=2480413-87=326812-268=544237×4=948164+233=397412-(50+85)=27760+(581-153