三年級數學(上)計算題專項練習附答案集錦122×(300-295)=491-30×9=963-73×9=387-297=230+524+191=56+143=626+(430-198)=499-(371+117)=752+789=173×(238-235)=407-93-255=233×4=77×6=780-(406-92)=949-22×4=493-(128+29)=561+679=125×(157-153)=302×5=289+577+54=475-293+47=728-712+484=705+440+666=788×5-799=354-(548-535)=496-20-267=397-71=943×6=229+206-387=861+258=710+703+887=283+178=734-104-100=397+130×4=959+586+277=236-24-26=793-(728-511)=75×8-23=149+868-361=540-363+440=644×7=933×(74-67)=422-80-128=108×7=436-160×2=77×6-15=397-23×6=734-40-74=659+(697-528)=410+928-249=230+81=470×6-111=245+(666-190)=283+29×9=143-(378-357)=946-862=100×(355-348)=418-289=416-189-157=259+240=122×7=746×8=493-287=560-(660-227)=813+256-912=672-(658-180)=722×2-590=330-(16+24)=151-131=82-39=761-65+131=234-46×3=207×(160-155)=391-225-103=426+103×4=380-216=952-291+377=535-(942-615)=124×8=774-216×3=334+209=215×2+16=813-275-454=437-231=460-255=600×8-304=482×6-860=100+248=538×4=487-(318+76)=843-466-192=853+(520-325)=192×5-490=277-(249-111)=148×4+311=739-(983-645)=191+(632-368)=756×(423-417)=256+540+202=791×8-196=32×8+558=307-(133+101)=188+82×8=310-76=407-327+306=218-22×6=425-90-212=609-(407+22)=249-(429-417)=277×3=655+344×2=972-360-184=361-(111+117)=303+358+178=45+(870-546)=337+49-304=487-153-200=362+(340-315)=398+(388-369)=156-26×5=118-(263-192)=505+(458-341)=499-(368-187)=436-146=85×7+874=188-(198-45)=798-(68+575)=304-21×9=725-159-157=671+121+14=610-(469+137)=838-132-533=666+799-841=33+(426-287)=811-288×2=1/4+2/4=801-314-369=197+(360-271)=401-40×6=155+134=148+158-147=201×3=672-272+939=132×2=658+957-951=501×(916-910)=220×9=228-98+235=359+111-258=281+63×6=558-(480-160)=510+118-551=229×3=113+320=998-(548+134)=26×(696-688)=280×3-584=256×2+423=345-12×9=469+(176-159)=455+454=35×6+196=810-409=4/7+2/7=197-60+108=784+349-444=384×9=353+494=832+(558-467)=131×2=638-(386+110)=665-26×3=801+889+684=273×7=841+285-83=303-32-48=464-284-77=123×6-559=160×5+851=127×5-196=136-26+374=687-(383-40)=90×8=378-(222-177)=409×2+99=161×9=190-81+313=461-(390-256)=110×3=668×(302-298)=114×9=411+25-54=951-43-435=124×8+921=258+(437-422)=86×8=841+(258-96)=367+215+182=802-(206+522)=613-114=472-(334+39)=425-26-219=219+189=20+(269-259)=182+181=701-304-257=368+(449-201)=3/5-2/5=685+973-213=426+44+522=342+12×3=137×4=672+277+587=273-211+94=826+275+311=678+(297-189)=816+549-205=472-184-71=148×(324-320)=449-88-102=757×6-48=99-(61-60)=437-13-148=548×9-239=463-345+338=819×5-415=116+13+510=43-(753-734)=189×2+397=435-101×2=191+179=444-(93+331)=435×2=896-437-58=268+936=110+(716-178)=329-79-119=245×5=130×7=559×8-366=697×(455-450)=18+18+170=174+(264-239)=138×7=888-71=522-472+536=386×2-188=832×(547-539)=290-129-52=485+(489-367)=425-120-152=889-137×3=348-219+332=462-12×8=140×(161-156)=519-(698-359)=414-346+259=65+23×7=295+363+337=263+61=454+952=318-(249-95)=597-(619-616)=239-20×4=622+906+555=393-370+401=724-(421-319)=261-(65+171)=140×2-51=5/8-2/8=42+788+121=236-49×4=990-(278+483)=210×(69-66)=155×6-404=430+(386-147)=837×(308-301)=472×(288-285)=117×(259-255)=198-111+412=632-104×6=108+352=699-325-186=191×(32-29)=242-(161+53)=51×(216-207)=332-16+676=883-(596-278)=368+109-312=731+(635-57)=77×8-425=926-(319+568)=3/5+2/5=910×(830-827)=628+(745-27)=89×2=120×6+196=380-(361-257)=348-58=395-(360-315)=2/6-1/6=17×4+283=543+823-304=318-109-175=891-378×2=1/6+2/6=108+(931-503)=28×5-33=144+90=859-(511-27)=319-22×2=90+488=540-378=147+219=54×6=217+32+258=498-(499-11)=3/7-2/7=483×5-476=428×6=209+559+101=324+191×3=100×3=139-105+198=784-515=257-25×7=820×5-972=278-(393-151)=659-345+725=715-510=337×2=829-237=466-87×5=950-511=790-389-212=422×(128-123)=443-270=543+(566-451)=239-38×2=644-202-126=707-450=449×(679-672)=269-(408-169)=898-730+432=917-(36+161)=379-(176+16)=133×(291-286)=48+669+188=299×(476-473)=596+(446-106)=382+(870-480)=478+(679-418)=229×(141-137)=271-250=19+335-135=191×(47-44)=602+728-682=421-(10+186)=260×2+738=98×9=791+820=160+(836-308)=49+147×5=259-134=432-289+742=127×5-625=699-93×6=289×2-295=34×(362-359)=418+(377-342)=300+26×6=277+221-413=798-(677-101)=409-59×4=1/8+4/8=513-45×4=303-65×2=750-(263+106)=2/4-1/4=454+(92-38)=173×5-731=137+85+168=349+777+82=7/10-3/10=436-(307+73)=664+842-972=44×3=696-218=535-50-362=5/7+2/7=60+388-392=32×(345-337)=741-(52+233)=406-211-94=477+697=969-(120+709)=118+16×4=564×4-902=262-249+316=292+860+719=241×(46-43)=710-434=291-(339-80)=1/3+2/3=141+413×2=202+212-289=33×6+269=889-(320+429)=2/5-1/5=157×4=539+906+40=389+366+85=669+822-177=111+377-79=902×(926-922)=105+20=732-197×2=256-(49+90)=712-(227+26)=72+416-281=47+485+65=237×8=950+579-514=348-(150+23)=564-(152+377)=271+42×4=997+187×4=994×2=99×4-155=812-(823-519)=701×(435-432)=236-125=84×5+471=286-167=78+195=485-13+122=301+(479-472)=365×8=295+(380-16)=47×5-140=754-242-268=267+362+465=321+(269-56)=32×2+50=721-456=545×(614-605)=173-67=785-548=300+64+158=665-130+863=219+301=638-218×2=497+594+213=755-346=247-43×5=45+199×2=421-160=885-(457-281)=942+(941-60)=100×5+96=520+62×7=89+348+445=950-(302-161)=391×8-900=946-(69+577)=148+68×8=16×(376-367)=443-92-233=520×7=514-(192+142)=182-108=109×4=369-(829-477)=217+251=567-26×8=875-97×3=252-136+179=944-(557-188)=128+317=545-211-76=413-181-81=324-(159-58)=847-627+363=200+713-310=419-(60+117)=101+491+138=499-34=409-(133+109)=196+240=460+210+972=983+(892-424)=390-38×6=166×4-535=3/7+2/7=399×(196-192)=369+85+103=381-99+62=464+184=951-(146+563)=361-16=660+365-811=195+71=129+182=500+(221-194)=561+256×2=962-448=199×3-553=286-(244+12)=523×7=189+254-304=137+174=214+177-157=749+394×2=486-137×3=113×3+545=58×5=357+140-74=284+137-364=129×5-317=349-160+216=84+824-35=773×6-616=450-(152+101)=13+386-21=699+388+758=298+652-753=277-(140-78)=969-44×8=929-(104+409)=42×(72-64)=300-(499-259)=209+179=756+168×5=64+(159-17)=110×(354-351)=936-268-275=297+171=150-14×3=221×3-234=722-108×4=466-378+208=290×2-173=74×7-99=389-(108+197)=422-155-221=158-(337-316)=23+580-583=595×9-12=745×2=462-230×2=330-65=3/7+4/7=770+(596-286)=88×2+109=151×(360-357)=686+136×3=336-77×2=387-(305+31)=445-(112+200)=100×9-814=360+639=917-332+603=288+208=121×8-395=265+(274-91)=205-(176-41)=142+(352-174)=527×4=885+872=907-725=321+83+279=785-652-28=923+(785-434)=426×9-655=357+(417-143)=710+881+121=538-(151+122)=276+178-75=170×(19-13)=453-407+389=910×(421-417)=264+(948-454)=238-123-97=803-85-143=280-209=516×8=100+67=974-167×5=317+104-25=800+717+188=477+(255-64)=797×6=108+508+170=902-800+708=91×7=439-65-292=148+196+153=48-(89-60)=188+308=243-240+376=747-(740-354)=507-88-35=368+(406-186)=72×4+289=479-(106-23)=21+428-327=191×(366-362)=101×9-525=382-37×9=4/7-1/7=450-153=89+419=382-(184-26)=336×2+26=110-22+39=981-234+696=228-70+250=43×4+254=190-29×5=34+404-227=69×3=43×(148-142)=136-18+102=803+(492-191)=386-(173+29)=268-180=445-22×3=631-179-188=509×(779-770)=807-(902-875)=145×3+899=633×5-294=166+74×8=757-(484+112)=678-620=155-(56+75)=5/8+2/8=934-850+400=276-225=44×(463-454)=454+499=35×6-20=287+302=224+159-71=629-130-110=229+115=98×8-744=381-283+30=6/9+3/9=384-(661-611)=24×(345-342)=383-(58+217)=203+102=153×4=124×(760-755)=739-(748-263)=308-35×7=639+988-890=100+(150-31)=388-270=991-(252+573)=188+246-339=485+(298-100)=88+169-52=276+38×3=171+260-26=111×3=834-71×2=117×5=66+157+96=647-267+469=302-(402-155)=191×3=825+808+531=500-375+961=232+87×8=403×(230-223)=772-512=13+(153-39)=416+726=273-201+179=425+625+290=486-(56+125)=856-295=965-472×2=313×3-852=452-(408-320)=270-158-52=500-(80+372)=3/5-1/5=360-74-144=381-174=226+228-380=127+512=320+352+12=817-347-437=233-26×2=653-396=611-534+637=585-(45+505)=270×2+257=64+346=735-660=2/3-1/3=132+191+82=734-69+22=475+103+418=837-261-359=438-291+306=235×3=291-11-95=249+(364-70)=126+266-292=714-320-171=202+581-495=25+873+617=4/8+2/8=122-25×2=435-17-360=353-22×6=5/9-1/9=899+433-821=491-237×2=610-195+346=376×2-235=306×(644-641)=293-16-111=496-161-172=936-(826-686)=881×7-387=259-(93+33)=611+12-514=283-96+96=394-154×2=591×2-416=427-(316+10)=891+199×3=220+169×3=383+54×4=410+(467-319)=226×4=684-27+491=157+250=31+523+154=760×6=387-(107+47)=163×5+309=175×(425-420)=28×(451-444)=457-73+268=829+276-22=331×4-189=478+193=475-156=143-122=282×3-696=612-252-346=104×(262-255)=150+179+444=235-(37+51)=491-(424-72)=54×3+271=404-13=916×8=142+343×2=74+96+199=439-126=481+238+319=958+509+178=195×(788-785)=69+303-251=112×4=93+406=527+(350-41)=806-(26+753)=119+440+242=143+249-210=60+(409-353)=719×(850-846)=455-24+222=682×(623-617)=719+(990-970)=154×4-370=305+915+906=228+266-32=827+773=97+273=630-573+601=31+800+91=190+289-388=117×(111-103)=872×(617-609)=666×(842-838)=645+966-424=58×9+768=63×7-297=407-346+130=495×2-574=72×(414-411)=257×2-183=313-64×4=302+116=447-(142-120)=871-(77+332)=242×2-104=134-(102-35)=122×3+644=468+(322-125)=48+(358-294)=39×(466-457)=230+170=323-21×4=744-(846-466)=422-103×4=152×5-617=201-(63+43)=38-(180-150)=219-30+229=75+74=180-(37+103)=87-22=156+300+270=193-(181-38)=126×7+653=315+132-127=328-29+27=158×3+490=322-(386-174)=196+181=310-297+376=251×3-554=920-385=536×5-470=969-503-214=819+653-358=184-12=766+238+328=487+(577-25)=336-83-169=951+66+971=318+868+98=4/6-1/6=931×9=448-387=148+200+184=133+238×3=250-85+321=73×5=364-319+993=485-(202+40)=14+392-384=764-13×4=381-31×8=369-(445-150)=184+52=124×(84-79)=412-18×8=252-16-66=701-209+431=300-(84+49)=787-495=301-16×6=381×2-45=745+(898-85)=參考答案122×(300-295)=610491-30×9=221963-73×9=306387-297=90230+524+191=94556+143=199626+(430-198)=858499-(371+117)=11752+789=1541173×(238-235)=519407-93-255=59233×4=93277×6=462780-(406-92)=466949-22×4=861493-(128+29)=336561+679=1240125×(157-153)=500302×5=1510289+577+54=920475-293+47=229728-712+484=500705+440+666=1811788×5-799=3141354-(548-535)=341496-20-267=209397-71=326943×6=5658229+206-387=48861+258=1119710+703+887=2300283+178=461734-104-100=530397+130×4=917959+586+277=1822236-24-26=186793-(728-511)=57675×8-23=577149+868-361=656540-363+440=617644×7=4508933×(74-67)=6531422-80-128=214108×7=756436-160×2=11677×6-15=447397-23×6=259734-40-74=620659+(697-528)=828410+928-249=1089230+81=311470×6-111=2709245+(666-190)=721283+29×9=544143-(378-357)=122946-862=84100×(355-348)=700418-289=129416-189-157=70259+240=499122×7=854746×8=5968493-287=206560-(660-227)=127813+256-912=157672-(658-180)=194722×2-590=854330-(16+24)=290151-131=2082-39=43761-65+131=827234-46×3=96207×(160-155)=1035391-225-103=63426+103×4=838380-216=164952-291+377=1038535-(942-615)=208124×8=992774-216×3=126334+209=543215×2+16=446813-275-454=84437-231=206460-255=205600×8-304=4496482×6-860=2032100+248=348538×4=2152487-(318+76)=93843-466-192=185853+(520-325)=1048192×5-490=470277-(249-111)=139148×4+311=903739-(983-645)=401191+(632-368)=455756×(423-417)=4536256+540+202=998791×8-196=613232×8+558=814307-(133+101)=73188+82×8=844310-76=234407-327+306=386218-22×6=86425-90-212=123609-(407+22)=180249-(429-417)=237277×3=831655+344×2=1343972-360-184=428361-(111+117)=133303+358+178=83945+(870-546)=369337+49-304=82487-153-200=134362+(340-315)=387398+(388-369)=417156-26×5=26118-(263-192)=47505+(458-341)=622499-(368-187)=318436-146=29085×7+874=1469188-(198-45)=35798-(68+575)=155304-21×9=115725-159-157=409671+121+14=806610-(469+137)=4838-132-533=173666+799-841=62433+(426-287)=172811-288×2=2351/4+2/4=3/4801-314-369=118197+(360-271)=286401-40×6=161155+134=289148+158-147=159201×3=603672-272+939=1339132×2=264658+957-951=664501×(916-910)=3006220×9=1980228-98+235=365359+111-258=212281+63×6=659558-(480-160)=238510+118-551=77229×3=687113+320=433998-(548+134)=31626×(696-688)=208280×3-584=256256×2+423=935345-12×9=237469+(176-159)=486455+454=90935×6+196=406810-409=4014/7+2/7=6/7197-60+108=245784+349-444=689384×9=3456353+494=847832+(558-467)=923131×2=262638-(386+110)=142665-26×3=587801+889+684=2374273×7=1911841+285-83=1043303-32-48=223464-284-77=103123×6-559=179160×5+851=1651127×5-196=439136-26+374=484687-(383-40)=34490×8=720378-(222-177)=333409×2+99=917161×9=1449190-81+313=422461-(390-256)=327110×3=330668×(302-298)=2672114×9=1026411+25-54=382951-43-435=473124×8+921=1913258+(437-422)=27386×8=688841+(258-96)=1003367+215+182=764802-(206+522)=74613-114=499472-(334+39)=99425-26-219=180219+189=40820+(269-259)=30182+181=363701-304-257=140368+(449-201)=6163/5-2/5=1/5685+973-213=1445426+44+522=992342+12×3=378137×4=548672+277+587=1536273-211+94=156826+275+311=1412678+(297-189)=786816+549-205=1160472-184-71=217148×(324-320)=592449-88-102=259757×6-48=449499-(61-60)=98437-13-148=276548×9-239=4693463-345+338=456819×5-415=3680116+13+510=63943-(753-734)=24189×2+397=775435-101×2=233191+179=370444-(93+331)=20435×2=870896-437-58=401268+936=1204110+(716-178)=648329-79-119=131245×5=1225130×7=910559×8-366=4106697×(455-450)=348518+18+170=206174+(264-239)=199138×7=966888-71=817522-472+536=586386×2-188=584832×(547-539)=6656290-129-52=109485+(489-367)=607425-120-152=153889-137×3=478348-219+332=461462-12×8=366140×(161-156)=700519-(698-359)=180414-346+259=32765+23×7=226295+363+337=995263+61=324454+952=1406318-(249-95)=164597-(619-616)=594239-20×4=159622+906+555=2083393-370+401=424724-(421-319)=622261-(65+171)=25140×2-51=2295/8-2/8=3/842+788+121=951236-49×4=40990-(278+483)=229210×(69-66)=630155×6-404=526430+(386-147)=669837×(308-301)=5859472×(288-285)=1416117×(259-255)=468198-111+412=499632-104×6=8108+352=460699-325-186=188191×(32-29)=573242-(161+53)=2851×(216-207)=459332-16+676=992883-(596-278)=565368+109-312=165731+(635-57)=130977×8-425=191926-(319+568)=393/5+2/5=1910×(830-827)=2730628+(745-27)=134689×2=178120×6+196=916380-(361-257)=276348-58=290395-(360-315)=3502/6-1/6=1/617×4+283=351543+823-304=1062318-109-175=34891-378×2=1351/6+2/6=3/6108+(931-503)=53628×5-33=107144+90=234859-(511-27)=375319-22×2=27590+488=578540-378=162147+219=36654×6=324217+32+258=507498-(499-11)=103/7-2/7=1/7483×5-476=1939428×6=2568209+559+101=869324+191×3=897100×3=300139-105+198=232784-515=269257-25×7=82820×5-972=3128278-(393-151)=36659-345+725=1039715-510=205337×2=674829-237=592466-87×5=31950-511=439790-389-212=189422×(128-123)=2110443-270=173543+(566-451)=658239-38×2=163644-202-126=316707-450=257449×(679-672)=3143269-(408-169)=30898-730+432=600917-(36+161)=720379-(176+16)=187133×(291-286)=66548+669+188=905299×(476-473)=897596+(446-106)=936382+(870-480)=772478+(679-418)=739229×(141-137)=916271-250=2119+335-135=219191×(47-44)=573602+728-682=648421-(10+186)=225260×2+738=125898×9=882791+820=1611160+(836-308)=68849+147×5=784259-134=125432-289+742=885127×5-625=10699-93×6=141289×2-295=28334×(362-359)=102418+(377-342)=453300+26×6=456277+221-413=85798-(677-101)=222409-59×4=1731/8+4/8=5/8513-45×4=333303-65×2=173750-(263+106)=3812/4-1/4=1/4454+(92-38)=508173×5-731=134137+85+168=390349+777+82=12087/10-3/10=4/10436-(307+73)=56664+842-972=53444×3=132696-218=478535-50-362=1235/7+2/7=160+388-392=5632×(345-337)=256741-(52+233)=456406-211-94=101477+697=1174969-(120+709)=140118+16×4=182564×4-902=1354262-249+316=329292+860+719=1871241×(46-43)=723710-434=276291-(339-80)=321/3+2/3=1141+413×2=967202+212-289=12533×6+269=467889-(320+429)=1402/5-1/5=1/5157×4=628539+906+40=1485389+366+85=840669+822-177=1314111+377-79=409902×(926-922)=3608105+20=125732-197×2=338256-(49+90)=117712-(227+26)=45972+416-281=20747+485+65=597237×8=1896950+579-514=1015348-(150+23)=175564-(152+377)=35271+42×4=439997+187×4=1745994×2=198899×4-155=241812-(823-519)=508701×(435-432)=2103236-125=11184×5+471=891286-167=11978+195=273485-13+122=594301+(479-472)=308365×8=2920295+(380-16)=65947×5-140=95754-242-268=244267+362+465=1094321+(269-56)=53432×2+50=114721-456=265545×(614-605)=4905173-67=106785-548=237300+64+158=522665-130+863=1398219+301=520638-218×2=202497+594+213=1304755-346=409247-43×5=3245+199×2=443421-160=261885-(457-281)=709942+(941-60)=1823100×5+96=596520+62×7=95489+348+445=882950-(302-161)=809391×8-900=2228946-(69+577)=300148+68×8=69216×(376-367)=144443-92-233=118520×7=3640514-(192+142)=180182-108=74109×4=436369-(829-477)=17217+251=468567-26×8=359875-97×3=584252-136+179=295944-(557-188)=575128+317=445545-211-76=258413-181-81=151324-(159-58)=223847-627+363=583200+713-310=603419-(60+117)=242101+491+138=730499-34=465409-(133+109)=167196+240=436460+210+972=1642983+(892-424)=1451390-38×6=162166×4-535=1293/7+2/7=5/7399×(196-192)=1596369+85+103=557381-99+62=344464+184=648951-(146+563)=242361-16=345660+365-811=214195+71=266129+182=311500+(221-194)=527561+256×2=1073962-448=514199×3-553=44286-(244+12)=30523×7=3661189+254-304=139137+174=311214+177-157=234749+394×2=1537486-137×3=75113×3+545=88458×5=290357+140-74=423284+137-364=57129×5-317=328349-160+216=40584+824-35=873773×6-616=4022450-(152+101)=19713+386-21=378699+388+758=1845298+652-753=197277-(140-78)=215969-44×8=617929-(104+409)=41642×(72-64)=336300-(499-259)=60209+179=388756+168×5=159664+(159-17)=206110×(354-351)=330936-268-275=393297+171=468150-14×3=108221×3-234=429722-108×4=290466-378+208=296290×2-173=40774×7-99=419389-(108+197)=84422-155-221=46158-(337-316)=13723+580-583=20595×9-12=5343745×2=1490462-230×2=2330-65=2653/7+4/7=1770+(596-286)=108088×2+109=285151×(360-357)=453686+136×3=1094336-77×2=182387-(305+31)=51445-(112+200)=133100×9-814=86360+639=999917-332+603=1188288+208=496121×8-395=573265+(274-91)=448205-(176-41)=70142+(352-174)=320527×4=2108885+872=1757907-725=182321+83+279=683785-652-28=105923+(785-434)=1274426×9-655=3179357+(417-143)=631710+881+121=1712538-(151+122)=265276+178-75=379170×(19-13)=1020453-407+389=435910×(421-417)=3640264+(948-454)=758238-123-97=18803-85-143=575280-209=71516×8=4128100+67=167974-167×5=139317+104-25=396800+717+188=1705477+(255-64)=668797×6=4782108+508+170=786902-800+708=81091×7=637439-65-292=82148+196+153=49748-(89-60)=19188+308=496243-240+376=379747-(740-354)=361507-88-35=384368+(406-186)=58872×4+289=577479-(106-23)=39621+428-327=122191×(366-362)=764101×9-525=384382-37×9=494/7-1/7=3/7450-153=29789+419=508382-(184-26)=224336×2+26=698110-22+39=127981-234+696=1443228-70+250=40843×4+254=426190-29×5=4534+404-227=21169×3=20743×(148-142)=258136-18+102=220803+(492-191)=1104386-(173+29)=184268-180=88445-22×3=379631-179-188=264509×(779-770)=4581807-(902-875)=780145×3+899=1334633×5-294=2871166+74×8=758757-(484+112)=161678-620=58155-(56+75)=245/8+2/8=7/8934-850+400=484276-225=5144×(463-454)=396454+499=95335×6-20=190287+302=589224+159-71=312629-130-110=389229+115=34498×8-744=40381-283+30=1286/9+3/9=1384-(661-611)=33424×(345-342)=72383-(58+217)=108203+102=305153×4=612124×(760-755)=620739-(748-263)=254308-35×7=63639+988-890=737100+(150-31)=219388-270=118991-(252+573)=166188+246-339=95485+(298-100)=68388+169-52=205276+38×3=390171+260-26=405111×3=333834-71×2=692117×5=58566+157+96=319647-267+469=849302-(402-155)=55191×3=573825+808+531=2164500-375+961=1086232+87×8=928403×(230-223)=2821772-512=26013+(153-39)=127416+726=1142273-201+179=251425+625+290=1340486-(56+125)=305856-295=561965-472×2=21313×3-852=87452-(408-320)=364270-158-52=60500-(80+372)=483/5-1/5=2/5360-74-144=142381-174=207226+228-380=74127+512=639320+352+12=684817-347-437=33233-26×2=181653-396=257611-534+637=714585-(45+505)=35270×2+257=79764+346=410735-660=752/3-1/3=1/3132+191+82=405734-69+22=687475+103+418=996837-261-359=217438-291+306=453235×3=705291-11-95=185249+(364-70)