三年级数学(上)计算题专项练习附答案集锦

三年级数学(上)计算题专项练习附答案集锦394-25-196=343-37×2=88×3-82=55+824-199=218×6-324=867-(741-568)=80×9-579=531-(23+243)=977×(724-717)=388×6=386-135=874×4=950+939-913=512+258=47×5-101=902+47×5=775-16-226=142+181×4=147×(166-163)=54+(339-337)=322-(450-193)=393-91×4=948-408+520=811+358+56=372-(119+12)=4/6-1/6=873×5=826-637+58=439+80×7=430-299-130=908-44×3=107×4+55=864+106×9=441-(406-244)=639+49+165=259+217-450=143-(308-289)=389-164-16=85+103-185=340×6-117=376-(149+146)=782-(199+152)=882-(330-294)=298+128-300=424-231+270=477-414+139=929-148=124+185+754=173×5-138=485+987=13-(198-193)=98+302=491-164×2=213×(429-425)=153×(30-27)=863×(141-133)=4/8-1/8=308+107+19=702+(401-13)=24×4=624-(276+98)=567-102=45-33+407=856×(176-172)=263+101×3=390+(445-254)=500-(29+402)=287+59×5=439+(486-215)=506+(960-671)=19×5=674+755-395=150+(288-281)=304×2+108=51×(159-156)=466×2=77+(316-16)=947-(604-598)=739×(687-681)=418-101×2=315+22+635=539-100-388=442-(94+65)=271×3=238×5-611=164×2+533=297×3=835+(916-713)=862-(30+386)=2/4-1/4=997+(314-235)=79+410=82+98+523=838-(724-351)=170×3-161=834×2=537×4-662=415-(451-262)=851-(721+25)=317+611-280=325-86-177=341×2-79=535-343+523=446-19×4=128+(357-288)=578-383=757-(177+70)=574-547=375-101-137=48×3+875=207+35=852-(688-333)=453-359+109=152+147=199-197+384=635+311=566×4=51×(318-315)=45×7+179=576×(508-500)=387+245=445+(294-92)=746-90=437+101×7=125×6-79=490-(16+62)=32+(122-54)=76×(281-276)=389-379+419=203+(487-119)=421-208=184+236-196=778+856-641=59×(35-27)=284×2-408=438+(197-70)=4/5-1/5=692×(730-723)=20+150+342=482-(320+152)=311-(80+16)=169+(199-21)=805+(786-123)=187-62=193-(274-258)=1/5+3/5=58×6+800=954+(993-205)=502+704=714-476+273=95×7-71=935-(65+184)=98×5=675-(502-395)=423-(312+107)=915+171-922=589×(410-406)=248+117×6=218×4-350=44+351-370=308×2+303=798-(915-330)=312×3-751=98+(152-81)=2/3-1/3=84-72+28=892-63×4=956×(839-835)=464-55×4=384-(946-773)=246-22+43=100×(354-345)=245-(254-166)=424-97×3=287-25×6=12+(469-61)=847-313-452=481-393+335=375-(191+66)=363-211+435=777-(381-287)=158+200-126=133×2+208=240+13×2=488-(115+21)=416-(336-153)=893+(344-279)=159+(346-167)=315+376+34=403×2+246=419×2=865-38-239=461-266=335+344-164=396×2+804=825-16-140=322-48-205=368+108=51×8+215=353-101=499-(154-116)=896×(653-644)=300×(289-285)=164×4=470-(341-272)=313×2+201=202-29+155=390-38×2=797×9-839=176×(55-52)=249×2=135-85=410-234-105=896-41×8=55-20+875=236-72-117=877-109×8=216-205=439-216-178=983+168=230×3=459+53-312=666+(938-147)=786-668=456+230+87=175×4-445=549+232×2=888+708+834=983-229-15=633-428+77=109+645+65=602+606+712=310+(96-72)=383×6=253+146=206+713+69=873+299-183=314+(195-45)=591+77-255=794-44×3=317+120-326=382-147+151=81×8=472+(365-60)=970-74+715=160×5=577-325-225=64×(960-957)=430-174-211=61+473×2=907-443-349=187×(859-855)=85×4=472-245=617+(430-166)=933+72+266=59×9=955-86×5=160-(400-273)=207×3=956+200-763=331-244=199-15×8=345-71×2=85×(319-310)=643-(815-782)=545+(305-242)=303+310×2=435+346=127×(85-81)=880+(509-494)=55-35+78=243+198=541-45×4=147×(15-11)=70×9=363+(493-311)=985-172×4=32×(695-688)=805-347-168=257+128×7=623-146×3=954-255-477=993×(441-435)=252-198-49=546×9-95=392-81×2=251×2=365×2-481=53×7=387×8-461=26+334-128=303+54-160=927×(282-278)=727+(808-160)=870+39+55=112-62+36=73×(112-105)=125+952+365=177-127+586=858+145-312=5/8+2/8=99+791-364=904-94×3=191+330+468=138×7=14×5=108×(197-188)=928+(990-575)=870+679-564=313×2=238+439+10=854-455=869-111-731=341-(134+198)=344-312+278=136+324=701+180=115×(234-229)=475-(303-134)=443-15×5=331×9=242-193+10=745-316-89=145+112=375-(225-23)=322+(384-224)=914-(910-643)=201+65=23×7+399=780-(957-661)=976-(277+414)=82×2=658-(692-684)=409-(125+114)=166×5=870-670=704-435=209×(479-476)=887-654=474-439+211=181-114+185=682+159+125=261+567+146=769-(82+41)=21×(412-403)=948-36-36=167-(383-357)=88+441+190=465-(310-120)=413-316=514+357-588=486-(35+303)=682-(258+17)=838-688=106×5-495=1/8+6/8=182+293=234×3-564=447-243+141=717×(562-554)=294-100-38=443-141-20=640-92=86+109+186=988-153-545=118×8=151+(906-697)=487-360-117=274+316=618×4=477×3=252-(408-218)=412-(113+267)=766×(206-201)=52×7-160=504-129×2=192+170-101=225-(284-118)=194+127=172-119=662-620+170=869-126-310=862-(539-92)=323-236=419+80×7=852-(289-47)=19+874+15=291-111+440=283+780+870=997-22-531=453-280-154=172-122+54=53+197-83=253-39-18=22+(216-124)=792-148×2=294-20×9=726-27×8=5/9-4/9=64×(48-39)=232+145=992-(429+25)=495-292=268-164-42=495-(676-546)=35×8+417=652-141×4=912-(117+439)=239-211=412-111+25=153-(44+39)=153+103×7=541-443=83+202-232=395+(177-59)=439+40+371=61+126×3=260×5=2/10+6/10=706+499+37=239-54=392+50-97=310-(437-380)=909+888=373-(56+207)=58+526-72=451-83×4=219-(31+151)=205×4+89=157+(468-450)=134×(318-311)=162×3=133×3=245-(76+28)=493-(460-317)=11+439-449=109×2-68=537-202×2=605+(625-436)=935-478+344=285-202+104=303-117×2=140+328=176+200×3=565+793+618=494-(96+165)=482-46×2=186-23×5=92+138+112=187×5+380=38+349+71=519×(514-509)=116+14×3=87×4+373=746-338+178=210-59=90×(494-488)=88×8=455-(449-384)=999×(506-503)=669+657=263×9-246=700+483-998=11×5+152=754×3-128=497-(431-180)=62+346-384=3/7-2/7=145+214-322=484×6=126×(330-323)=1/8+5/8=343+(919-808)=761×4-460=562-(286+22)=805+232+998=485×8=370+74=810×5=782×(181-178)=277-172=546-448=448×2=48×(114-106)=499-(483-257)=201-14-155=26+83=1/8+7/8=3/6+2/6=910-321=8/10+2/10=109+(851-221)=321×6=250+248-50=415-41×4=490-19×9=321-25+487=143-(22+24)=57×7+672=652-436=156+215+539=107-(341-255)=529+180+218=34×4-51=714-166=590-588+139=352+193×3=494-(32+244)=111-67=799-187×2=974-513-150=424-(233+170)=196-106=15×(233-228)=18×7=575-(679-586)=803-(383+48)=861-(196+388)=353+(522-82)=512-270-162=396-111×2=408-405+33=925-221+763=3/6-2/6=957-(56+377)=467+76+958=50×4=810+929-536=390-310+412=346-(333-54)=923-128-679=138×5-656=369+418×2=107×8+489=165+135-293=756-(719-461)=806+90×3=164+330=731-157×3=155×(103-98)=431+(449-43)=269-217=178-128+17=213-(286-283)=429-135-218=89+114=23+21×4=397-(335-67)=954-554+572=672×8-950=197-114+176=413-56-187=216×(280-276)=432+21×6=920-480+651=259+71-254=945-131×6=525+249=133×5-84=859+558=312+355+182=334+159-68=152×3-434=482+360+449=355-209-85=128+244-171=686-68×7=311×2-424=553×(133-126)=307-182+171=4/9-3/9=528+364-305=90+233=446-103-298=833-516=491×9-604=935-727-164=339-184=578-(352-279)=476-188-141=739+695+829=724×6-273=253-54×2=800+416+902=692×6-692=568-27+442=182+240=116-26+542=274-86×2=735-14-60=493-177=14+238-149=463+442=155-35×4=808×2-617=123-93-20=1/4+2/4=58+233-162=204+257+226=86+221=474×2=528×(158-154)=442-111-298=224+475=505-96-300=95+(696-263)=494-(194+288)=28+103+305=830+732+796=115×6-454=216+39×6=830×6=93×6+884=480×8-272=249×2-40=834-69×6=51×(353-350)=162+224+186=808-(458-442)=566-(402+132)=875+514=551×2=585+730-84=374+603+720=841-148×4=59+518-164=805-(559-486)=435-119+28=261+510+299=876+384-923=606+(540-514)=457-120-124=388-(337+47)=740-10×5=55+458+80=305-181=7/10+3/10=673+(576-362)=244-222+305=383+548+53=902-24×5=287×3-331=829+757+594=541-(604-441)=785+336=953+571-656=32+110-94=144×5-307=301+134+556=773-138-259=67×7+296=433+65×9=107+53=776×2=715+(959-688)=476-444+52=490-265=358-(302-99)=278-247+56=366+(470-130)=375+476-124=491×7=389+415+192=374-39×2=101+76-138=326+166=636-53=664-591=37+195×3=534+210=726+413=354+553+616=492×8-960=413+(132-112)=81×3=579+104+62=232×(952-943)=616×3-842=498×5=230-(15+25)=191×(199-196)=848×5=61-(64-62)=165+94=836×(408-401)=374+122=104×8+90=411+694+811=66×(703-700)=437-(294-179)=32+805+317=751-(291+284)=285-(251+33)=439+(309-134)=148×3+14=430+(240-57)=516-(587-382)=38+135=485+(228-97)=855-(10+530)=320-221=222-(106+65)=69+50+32=640×9=312-123×2=966-(627-585)=147×3=422-291+48=145-26+230=40×(350-341)=67+301=265+93=629×2-75=159-62=366-340=288×6-155=33+(326-237)=763+438=437-300+43=366-337=220+(448-26)=880-(265+354)=368+(469-87)=160+319=324+147+294=410+263+135=480-11-417=521-(120+236)=220×3-399=389+22-151=878-414-220=133+36-114=512-(412+54)=114-(139-129)=436-(293+21)=181×4+511=217-(259-119)=810×(268-262)=792-217×3=691×2-394=320×5-989=754-(231+126)=446+26×9=765-160+870=621-120-292=110×5-60=290+157+391=465×2-158=389+(775-199)=262-42×6=887×(643-634)=385+95=51×8-56=334+395+575=285-(435-297)=430+(183-33)=152×5-121=306×3=46×9+932=786×7=307×2+156=281-11×9=727+463=228-224+71=229-114=161+272=895-(118-54)=245-126-79=398+45-140=159+240=132×7-806=68+(186-171)=70×(379-375)=731-469-203=383-59×2=894-(779-92)=617-(137+321)=64×5-198=720-(111+14)=468-142×2=338-273=684×3-732=67×7+64=179+739=453+659+741=98×5+189=97×(89-81)=123+367=389-375=381-(261-200)=32×8-187=140-(59+80)=842+562+411=858+385-91=183+204-218=468-254-152=342-75×2=578-296+271=179×(238-235)=371-22×5=242-38-137=605-143-270=449-118=65+567+131=959+86×8=899×(637-632)=447+102×4=74×3+450=350+(434-310)=594+296=445-160=437+212=255-169=355-141=960-881=400-49×8=2/6-1/6=512-248-210=103+230-54=354-63-91=839-(408+372)=384-23=114×5-340=241+116-106=12+107×6=250+291=571-195+496=376-74×2=215+248=626+384-209=163×4=863-807+560=457-(89+336)=484×2=196-(248-113)=944+696-782=681-218+668=311-67-45=551-299=27+(519-354)=25×(266-260)=766-93=430-(137+218)=278-(146+82)=424×5=1/5+4/5=556-24×7=780×4-313=465-(10+21)=454-(97+334)=236+45-260=163+44=265+(171-91)=219+749-744=756-465=668×2-748=2/6+3/6=236×3=420-10×6=438+(426-93)=935-643+826=2/7-1/7=3/6-1/6=参考答案394-25-196=173343-37×2=26988×3-82=18255+824-199=680218×6-324=984867-(741-568)=69480×9-579=141531-(23+243)=265977×(724-717)=6839388×6=2328386-135=251874×4=3496950+939-913=976512+258=77047×5-101=134902+47×5=1137775-16-226=533142+181×4=866147×(166-163)=44154+(339-337)=56322-(450-193)=65393-91×4=29948-408+520=1060811+358+56=1225372-(119+12)=2414/6-1/6=3/6873×5=4365826-637+58=247439+80×7=999430-299-130=1908-44×3=776107×4+55=483864+106×9=1818441-(406-244)=279639+49+165=853259+217-450=26143-(308-289)=124389-164-16=20985+103-185=3340×6-117=1923376-(149+146)=81782-(199+152)=431882-(330-294)=846298+128-300=126424-231+270=463477-414+139=202929-148=781124+185+754=1063173×5-138=727485+987=147213-(198-193)=898+302=400491-164×2=163213×(429-425)=852153×(30-27)=459863×(141-133)=69044/8-1/8=3/8308+107+19=434702+(401-13)=109024×4=96624-(276+98)=250567-102=46545-33+407=419856×(176-172)=3424263+101×3=566390+(445-254)=581500-(29+402)=69287+59×5=582439+(486-215)=710506+(960-671)=79519×5=95674+755-395=1034150+(288-281)=157304×2+108=71651×(159-156)=153466×2=93277+(316-16)=377947-(604-598)=941739×(687-681)=4434418-101×2=216315+22+635=972539-100-388=51442-(94+65)=283271×3=813238×5-611=579164×2+533=861297×3=891835+(916-713)=1038862-(30+386)=4462/4-1/4=1/4997+(314-235)=107679+410=48982+98+523=703838-(724-351)=465170×3-161=349834×2=1668537×4-662=1486415-(451-262)=226851-(721+25)=105317+611-280=648325-86-177=62341×2-79=603535-343+523=715446-19×4=370128+(357-288)=197578-383=195757-(177+70)=510574-547=27375-101-137=13748×3+875=1019207+35=242852-(688-333)=497453-359+109=203152+147=299199-197+384=386635+311=946566×4=226451×(318-315)=15345×7+179=494576×(508-500)=4608387+245=632445+(294-92)=647746-90=656437+101×7=1144125×6-79=671490-(16+62)=41232+(122-54)=10076×(281-276)=380389-379+419=429203+(487-119)=571421-208=213184+236-196=224778+856-641=99359×(35-27)=472284×2-408=160438+(197-70)=5654/5-1/5=3/5692×(730-723)=484420+150+342=512482-(320+152)=10311-(80+16)=215169+(199-21)=347805+(786-123)=1468187-62=125193-(274-258)=1771/5+3/5=4/558×6+800=1148954+(993-205)=1742502+704=1206714-476+273=51195×7-71=594935-(65+184)=68698×5=490675-(502-395)=568423-(312+107)=4915+171-922=164589×(410-406)=2356248+117×6=950218×4-350=52244+351-370=25308×2+303=919798-(915-330)=213312×3-751=18598+(152-81)=1692/3-1/3=1/384-72+28=40892-63×4=640956×(839-835)=3824464-55×4=244384-(946-773)=211246-22+43=267100×(354-345)=900245-(254-166)=157424-97×3=133287-25×6=13712+(469-61)=420847-313-452=82481-393+335=423375-(191+66)=118363-211+435=587777-(381-287)=683158+200-126=232133×2+208=474240+13×2=266488-(115+21)=352416-(336-153)=233893+(344-279)=958159+(346-167)=338315+376+34=725403×2+246=1052419×2=838865-38-239=588461-266=195335+344-164=515396×2+804=1596825-16-140=669322-48-205=69368+108=47651×8+215=623353-101=252499-(154-116)=461896×(653-644)=8064300×(289-285)=1200164×4=656470-(341-272)=401313×2+201=827202-29+155=328390-38×2=314797×9-839=6334176×(55-52)=528249×2=498135-85=50410-234-105=71896-41×8=56855-20+875=910236-72-117=47877-109×8=5216-205=11439-216-178=45983+168=1151230×3=690459+53-312=200666+(938-147)=1457786-668=118456+230+87=773175×4-445=255549+232×2=1013888+708+834=2430983-229-15=739633-428+77=282109+645+65=819602+606+712=1920310+(96-72)=334383×6=2298253+146=399206+713+69=988873+299-183=989314+(195-45)=464591+77-255=413794-44×3=662317+120-326=111382-147+151=38681×8=648472+(365-60)=777970-74+715=1611160×5=800577-325-225=2764×(960-957)=192430-174-211=4561+473×2=1007907-443-349=115187×(859-855)=74885×4=340472-245=227617+(430-166)=881933+72+266=127159×9=531955-86×5=525160-(400-273)=33207×3=621956+200-763=393331-244=87199-15×8=79345-71×2=20385×(319-310)=765643-(815-782)=610545+(305-242)=608303+310×2=923435+346=781127×(85-81)=508880+(509-494)=89555-35+78=98243+198=441541-45×4=361147×(15-11)=58870×9=630363+(493-311)=545985-172×4=29732×(695-688)=224805-347-168=290257+128×7=1153623-146×3=185954-255-477=222993×(441-435)=5958252-198-49=5546×9-95=4819392-81×2=230251×2=502365×2-481=24953×7=371387×8-461=263526+334-128=232303+54-160=197927×(282-278)=3708727+(808-160)=1375870+39+55=964112-62+36=8673×(112-105)=511125+952+365=1442177-127+586=636858+145-312=6915/8+2/8=7/899+791-364=526904-94×3=622191+330+468=989138×7=96614×5=70108×(197-188)=972928+(990-575)=1343870+679-564=985313×2=626238+439+10=687854-455=399869-111-731=27341-(134+198)=9344-312+278=310136+324=460701+180=881115×(234-229)=575475-(303-134)=306443-15×5=368331×9=2979242-193+10=59745-316-89=340145+112=257375-(225-23)=173322+(384-224)=482914-(910-643)=647201+65=26623×7+399=560780-(957-661)=484976-(277+414)=28582×2=164658-(692-684)=650409-(125+114)=170166×5=830870-670=200704-435=269209×(479-476)=627887-654=233474-439+211=246181-114+185=252682+159+125=966261+567+146=974769-(82+41)=64621×(412-403)=189948-36-36=876167-(383-357)=14188+441+190=719465-(310-120)=275413-316=97514+357-588=283486-(35+303)=148682-(258+17)=407838-688=150106×5-495=351/8+6/8=7/8182+293=475234×3-564=138447-243+141=345717×(562-554)=5736294-100-38=156443-141-20=282640-92=54886+109+186=381988-153-545=290118×8=944151+(906-697)=360487-360-117=10274+316=590618×4=2472477×3=1431252-(408-218)=62412-(113+267)=32766×(206-201)=383052×7-160=204504-129×2=246192+170-101=261225-(284-118)=59194+127=321172-119=53662-620+170=212869-126-310=433862-(539-92)=415323-236=87419+80×7=979852-(289-47)=61019+874+15=908291-111+440=620283+780+870=1933997-22-531=444453-280-154=19172-122+54=10453+197-83=167253-39-18=19622+(216-124)=114792-148×2=496294-20×9=114726-27×8=5105/9-4/9=1/964×(48-39)=576232+145=377992-(429+25)=538495-292=203268-164-42=62495-(676-546)=36535×8+417=697652-141×4=88912-(117+439)=356239-211=28412-111+25=326153-(44+39)=70153+103×7=874541-443=9883+202-232=53395+(177-59)=513439+40+371=85061+126×3=439260×5=13002/10+6/10=8/10706+499+37=1242239-54=185392+50-97=345310-(437-380)=253909+888=1797373-(56+207)=11058+526-72=512451-83×4=119219-(31+151)=37205×4+89=909157+(468-450)=175134×(318-311)=938162×3=486133×3=399245-(76+28)=141493-(460-317)=35011+439-449=1109×2-68=150537-202×2=133605+(625-436)=794935-478+344=801285-202+104=187303-117×2=69140+328=468176+200×3=776565+793+618=1976494-(96+165)=233482-46×2=390186-23×5=7192+138+112=342187×5+380=131538+349+71=458519×(514-509)=2595116+14×3=15887×4+373=721746-338+178=586210-59=15190×(494-488)=54088×8=704455-(449-384)=390999×(506-503)=2997669+657=1326263×9-246=2121700+483-998=18511×5+152=207754×3-128=2134497-(431-180)=24662+346-384=243/7-2/7=1/7145+214-322=37484×6=2904126×(330-323)=8821/8+5/8=6/8343+(919-808)=454761×4-460=2584562-(286+22)=254805+232+998=2035485×8=3880370+74=444810×5=4050782×(181-178)=2346277-172=105546-448=98448×2=89648×(114-106)=384499-(483-257)=273201-14-155=3226+83=1091/8+7/8=13/6+2/6=5/6910-321=5898/10+2/10=1109+(851-221)=739321×6=1926250+248-50=448415-41×4=251490-19×9=319321-25+487=783143-(22+24)=9757×7+672=1071652-436=216156+215+539=910107-(341-255)=21529+180+218=92734×4-51=85714-166=548590-588+139=141352+193×3=931494-(32+244)=218111-67=44799-187×2=425974-513-150=311424-(233+170)=21196-106=9015×(233-228)=7518×7=126575-(679-586)=482803-(383+48)=372861-(196+388)=277353+(522-82)=793512-270-162=80396-111×2=174408-405+33=36925-221+763=14673/6-2/6=1/6957-(56+377)=524467+76+958=150150×4=200810+929-536=1203390-310+412=492346-(333-54)=67923-128-679=116138×5-656=34369+418×2=1205107×8+489=1345165+135-293=7756-(719-461)=498806+90×3=1076164+330=494731-157×3=260155×(103-98)=775431+(449-43)=837269-217=52178-128+17=67213-(286-283)=210429-135-218=7689+114=20323+21×4=107397-(335-67)=129954-554+572=972672×8-950=4426197-114+176=259413-56-187=170216×(280-276)=864432+21×6=558920-480+651=1091259+71-254=76945-131×6=159525+249=774133×5-84=581859+558=1417312+355+182=849334+159-68=425152×3-434=22482+360+449=1291355-209-85=61128+244-171=201686-68×7=210311×2-424=198553×(133-126)=3871307-182+171=2964/9-3/9=1/9528+364-305=58790+233=323446-103-298=45833-516=317491×9-604=3815935-727-164=44339-184=155578-(352-279)=505476-188-141=147739+695+829=2263724×6-273=4071253-54×2=145800+416+902=2118692×6-692=3460568-27+442=983182+240=422116-26+542=632274-86×2=102735-14-60=661493-177=31614+238-149=103463+442=905155-35×4=15808×2-617=999123-93-20=101/4+2/4=3/458+233-162=129204+257+226=68786+221=307474×2=948528×(158-154)=2112442-111-298=33224+475=699505-96-300=10995+(696-263)=528494-(194+288)=1228+103+305=436830+732+796=2358115×6-454=236216+39×6=450830×6=498093×6+884=1442480×8-272=3568249×2-40=458834-69×6=42051×(353-350)=153162+224+186=572808-(458-442)=792566-(402+132)=32875+514=1389551×2=1102585+730-84=1231374+603+720=1697841-148×4=24959+518-164=413805-(559-486)=732435-119+28=344261+510+299=1070876+384-923=337606+(540-514)=632457-120-124=213388-(337+47)=4740-10×5=69055+458+80=593305-181=1247/10+3/10=1673+(576-362)=887244-222+305=327383+548+53=984902-24×5=782287×3-331=530829+757+594=2180541-(604-441)=378785+336=1121953+571-656=86832+110-94=48144×5-307=413301+134+556=991773-138-259=37667×7+296=765433+65×9=1018107+53=160776×2=1552715+(959-688)=986476-444+52=84490-265=225358-(302-99)=155278-247+56=87366+(470-130)=706375+476-124=727491×7=3437389+415+192=996374-39×2=296101+76-138=39326+166=492636-53=583664-591=7337+195×3=622534+210=744726+413=1139354+553+616=1523492×8-960=2976413+(132-112)=43381×3=243579+104+62=745232×(952-943)=2088616×3-842=1006498×5=2490230-(15+25)=190191×(199-196)=573848×5=424061-(64-62)=59165+94=259836×(408-401)=5852374+122=496104×8+90=922411+694+811=191666×(703-700)=198437-(294-179)=32232+805+317=1154751-(291+284)=176285-(251+33)=1439+(309-134)=614148×3+14=458430+(240-57)=613516-(587-382)=31138+135=173485+(228-97)=616855-(10+530)=315320-221=99222-(106+65)=5169+50+32=151640×9=5760312-123×2=66966-(627-585)=924