三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦802-79=485-467=115+432+871=16+102×3=273×5-430=2/7+4/7=488+866=803+496+24=393×2=476-(164+268)=208+70=915-397+952=314-143+13=238-51=352×8=37+250+236=372-(474-104)=411+620-719=772-(631-613)=24×(297-292)=949-22×9=136+216=708+350+495=82×(236-232)=445+961-223=80×9=3/6-2/6=425+385=775+330-217=86+91+632=235×3+830=226×5=109+191=629+556-247=14×9=482-(141+187)=532-166×3=994×2=902-(398+13)=65+446-314=163+325=193×(238-235)=92-21×3=952+927+252=173×(279-275)=148+(188-136)=177+284=754×6-596=90×6=133+284=478-95×4=229×4-424=172+61=731×4-272=483-124=523-(297+144)=598-(89+281)=316-165=112+242-142=233×4-406=192+269+498=145×3-244=147-134=155+494+497=115×7+676=943+65×9=366+(430-223)=1/4+3/4=481-77=550×(748-743)=934-475-23=328-33×7=291-164-102=251×9-905=395×(379-376)=174-(84+56)=223+16-184=92×(254-245)=388-53×5=695-638=140×(56-49)=697-(199+415)=27+(949-290)=408+510-638=682+267+770=404-(315+82)=56×9-372=310×(168-165)=807+691=113×8-606=181-83+157=514+(744-277)=277+220-190=387-232=536×6=385-141=120-(161-49)=459-241-125=681×4-628=485-253=23+(462-217)=848-517=995-(91+469)=926-128=442-106-194=307×(773-764)=527-37+842=501-192-295=429-29×5=29+399×2=959-(90+752)=170+(410-358)=242+214+204=474+26×5=276+187+508=816-114×3=255×3-530=435-286+201=439-(22+318)=196-27-33=780+872=132+115=226+242-39=394+26-198=312+125+52=492×2-665=882+802-108=689+(359-84)=538-66=285-150=330-66-198=907-(133+44)=132+(789-133)=448+(430-10)=456-(498-236)=310×3=11×6=893+122+416=2/6-1/6=51×7+302=317×2-88=21×2=229-(283-70)=227+242+475=691×(52-44)=565-209+885=493+875-36=192×5+842=200×2+301=80×(370-366)=410-(15+146)=570-257=868+336×2=312-(88+188)=96×6=43×3=297-(487-409)=231×2+80=250×7-879=196-102+384=118-18×2=414-(17+214)=454+15-422=821-19×2=538×(905-900)=378+284=496-284-173=193+113-214=289+42×5=167-70+41=3/6-1/6=597-298×2=145+254-12=319-(426-397)=948-124×5=714-107+978=439-59×6=249×(143-134)=426+205+319=393-258+69=250×2=604-(180-167)=720×(500-492)=662×7-612=665+652+683=127+(397-100)=76+84×4=510+264=49+936+827=573-(568-211)=778-(890-603)=158-18×8=1/5+3/5=279-(160+90)=106+361=899-357+240=317×3=484-(279+137)=38×3+993=350+787+842=474-42=66×6+102=167+141=224-31=206+(466-44)=442×6-536=118+(299-284)=281-44=327×(797-792)=867+62×2=314×3=134×3-350=113+11×6=90+(365-343)=735-(673-62)=179-72=124+290-349=177+356=93+313=514+(648-362)=612-108=98×9-56=985+(427-337)=739-736+612=91-(81-49)=123-10×2=323-265+88=450-53-54=434+232×2=709-(126+370)=796-167=833-49×3=435-16×4=632+(962-498)=729+844-713=692+(961-191)=997-412-419=308-(150-38)=565-101×5=355-69×3=503+569-292=379+315×2=291×3-54=197×3=148+340=427-18×8=574+144+47=333×(964-960)=855-(698-107)=254+143+424=201-(155-40)=733-(726-34)=508×9=43×7-145=360-122+67=579+148=288-229=133×6-409=974+(685-188)=103+29=195×3-137=82×9-23=310×2+300=133+115=941-(910-824)=479-15×5=436-358+357=106-(389-314)=615+(945-453)=38+(286-238)=189-(202-119)=621-429+130=103+292+399=587×(685-681)=790+535-355=194×3-159=882-396-411=488-376+773=24+(344-214)=381+(446-118)=944-551-59=191×(399-396)=561-58+803=348+112×5=40×(374-366)=807-14×8=136+465+142=13+(411-204)=412+(853-642)=903-798+216=333-(473-294)=143×4-537=853×(639-631)=6/8-1/8=277×3-524=25+561+179=640-600=224-180+154=111×9-846=153×6+967=226-(188-171)=269+171=201×(296-293)=298+(629-421)=186+213+161=55×5=10+389-82=814-(403-341)=566×(709-705)=846+763+748=115-17=189×2=245+(948-565)=892-(361+262)=670+255×3=133+304+173=943×(706-699)=32×(310-307)=241-(199-179)=200-(59+102)=325-25+29=685×(223-220)=88+(983-22)=636+137+155=675+953=776+400+852=357-(169+70)=624+353+424=458×2+467=426+480+460=554×4-53=810-(604-97)=384×(556-547)=888-(29+224)=486-122×2=416-102-28=439-(56+89)=759-(253-145)=482+194+771=392-(77+42)=91-(124-119)=525-183=837×6-896=94+104-190=281+147=714+113+16=565-272×2=179+72+247=488-377-90=550-25×9=476-140=85×5=722+(699-431)=284×2=868+769-709=387-32×3=383×(987-979)=350×9=200-87+115=1/6+2/6=757×8=160×5+182=616-(199-102)=487-41=217+72×9=380-242=578-(889-581)=31+398-321=468×2-15=197+179-110=483-175-65=234×(367-363)=175+(829-517)=5/7+2/7=64-(438-417)=152+305-292=418+(466-379)=316×3=689-(780-466)=492-201-223=995-85-245=443-(342+59)=246+522-421=879×7=858-543+227=515+714-597=132+202-298=15×9=485-207-178=203+57×6=387-134-149=995-(94+204)=428-121-150=426-382=54+432+176=333+388=357-15-77=833-(901-855)=655-637=376+(630-621)=485-193+170=787-783+490=477-58=457-(341+14)=20+173×3=92+266-68=395-108=253-124×2=238-26×7=216×(252-249)=313-176=19+(498-165)=289-73×2=528+51+901=1/6+4/6=857-575-72=490+(435-367)=878+356+845=739-140-123=937+258-136=788-354=4/6-2/6=217-(353-298)=939×5=200×(882-877)=962×6=885+623-451=464-431+253=477-203-162=723-211+635=354+(261-150)=10×(19-12)=45+53+301=305+98×2=248+139-10=289+192-165=446-(164+127)=465-(390-136)=38×(341-333)=797+256=939×(999-992)=883-(627-540)=66×(384-379)=162+311=349+132-58=78×6=40×(104-100)=231×9-343=937-55×4=86×6+480=732-25+457=313+800=2/6+3/6=384-286+290=495+175=218+866-238=732-59=261×2+99=884+504-337=218×(986-983)=775+122×5=177-(121+51)=638×6-146=328-243-70=669+(370-215)=385-(76+15)=576×4=833-439+365=266-229+173=995-894=882-86+786=679-106×6=843-204-44=376-(42+294)=851+294×2=454×8-999=101-19×4=443-385+222=912-113×6=118×(70-64)=433×5=492-(477-71)=805-(560+171)=506+293=398-39×3=325-34×6=177×(846-840)=79×6-100=928×9=850-342-96=762+553-267=981-(218-196)=744-597=435-306=459-227×2=229-(338-276)=295×(28-25)=553-335=97×9-208=772+615=85+840+836=284-168=96+500+387=897-64-195=296-(984-733)=450×(755-747)=313+170-39=571+440-791=315+819=209-66=20×9+256=971-268×2=3/5-2/5=47+137=575-222+407=904-259-280=223-11-181=462-(440-334)=257×2-169=236-(39+167)=783-(286+254)=901-173-500=931-(551-255)=475-455=989+386+131=755+(650-649)=100×(198-193)=90+92=375+50×4=18+(271-244)=311-33-96=3/6+2/6=258+185=493-(76+183)=244-189+378=798+414+409=161×(161-155)=371-168+29=287-262=977-445-242=905-173-663=104×4=649×8=343×7-879=183×8-44=795+182×5=722-89-163=394-276-56=492-(152+254)=288+32×3=430-79-170=159×4=57×8+113=682-120-386=784×8=697-396-140=269+45+650=234+40×2=290-95+174=62×(497-489)=123×6-409=659-(567+13)=101×8+823=284+49×3=779-515-72=876+(711-332)=551+(116-15)=183×7-258=470+483×2=43×4-31=522×8-639=64+413-253=606-94=193×(410-406)=4/8-3/8=58+224+665=780-336-174=1/7+3/7=71×4+332=376-28×3=323-96+34=721-(59+352)=67×6+274=995-716-270=304-16×4=137×(421-415)=443-127+840=110+55-110=104×7+178=444-(65+84)=612×2-771=777-192+47=154-(68+33)=490+165-523=846-388×2=945+411=306-148×2=65×8-10=801-141-473=376-(46+160)=139×(438-434)=317×(357-354)=98×7=205+435=414+(953-662)=31×6+629=853×(446-441)=483×9-890=78+687-41=563+244-652=100+18=345-(42+201)=106+226=567+(322-236)=238×(417-413)=16+344+737=267+60=424-(225+61)=25+357-326=239+(353-272)=34+(228-220)=493-(173+98)=996×7=919-(472-371)=989-322×3=550-276-74=236×(367-363)=348+638-590=450-26×9=319+(456-36)=923-(446+206)=301-37×8=61×7+749=351-216+198=304-(87+194)=157×6-97=276+280-504=192×7=287+99-128=804×7-787=203-(40+61)=282+109+98=135×(350-344)=539×(541-533)=491×3=710+533=75+389=517×5=308-(195-165)=426-420+160=186+903-216=357+104=90+409-331=317×3-518=418-106-140=106+(968-932)=114×8-813=536+519=241+144+609=156+335×2=522-362+32=402-91×2=94+781+635=54×2=986-159×6=414×2=636-(615-491)=115×5+156=273-10×4=199-(348-237)=879-302×2=452-215-122=379-(294-142)=475-(400-395)=62+208=83+131=561+(704-40)=227+648=935-241×2=484-70=86+400=412-35×2=235-147=487-(446-156)=1/4+2/4=324-46+823=604-263×2=445+181-282=529+23×3=894-64+668=914-(384+285)=161-(160-84)=970-(555+365)=345-79×3=355+411=315-295+466=153+(390-64)=74+(473-48)=146+208-120=459-444+358=821-128-652=368-161+292=390-319+352=154+243-100=257+(220-172)=54+57×2=850-801=800-733=424-(489-311)=177×3-118=465-296+188=113×2+467=925×7=807+15+399=571×(40-34)=5/9-3/9=768-210=217-(268-150)=974-766+335=154+81=332-(161+23)=84+568+598=57×3=215+211-288=335+(443-338)=177×2+839=229+219=343-(397-236)=481-181-135=863+(580-180)=692-187×2=177+122-203=439+909-392=437+(482-425)=79+145=38+47×4=24×(175-166)=349-70-240=101×2-163=362+93=609-343+707=91+34+937=278-(146+102)=699-(973-405)=846-568=789-(505-370)=613+95+343=285-76×3=271×3-415=485+(481-368)=3/7-2/7=380-221+814=236+282+176=6/10-4/10=152×3=122×8-202=102×4=309-233+203=172×5=499-133-334=251+551+64=377×2+155=759-29+946=97×(416-408)=999-762-154=488-99×2=74×2=654-160+769=2/4-1/4=326-(383-288)=179+(323-266)=170+(327-161)=200×(134-130)=388+156+131=4/7+2/7=771×9=60+318+405=703-457+563=26+475+351=78×6+589=212×2+383=385+96-388=828-199=231+585+77=562-154=892-38=511+(680-91)=118-(447-383)=115×8-724=566-62-257=258×4-976=64×7+467=239-(46+86)=921×4=963+133×6=401+250-536=500-127=289-(276-218)=704-300-256=132×2-149=782×(746-742)=572-(147+30)=11×9=281-95+86=674×(729-723)=101+(766-170)=600-367-171=1/7+4/7=303×3=991-(590+401)=445-(156+156)=182×4-133=271+162=149-36-27=381-325-17=547+211=411-240+235=474+(415-44)=570-(366-118)=4/8-1/8=222×4-557=164+(392-333)=137×4=358-102×3=907-(472+265)=186-61+36=443-30×5=798+160+300=213+297=920-847=83×8=714+547=417-101-45=606×(458-451)=144-(346-241)=627-(749-528)=317-38×3=887-(52+242)=457-46×3=325-11×8=437-353-38=333×3=692+215+559=214×3+74=406-247-130=868×3=106+218=67+180-127=144-16=275+979+50=362+(425-100)=837-(385+360)=920-(526+251)=914-(445-422)=460×9-702=314×2=639×5=51+96=238-11=654-374=201-103=413-173-146=894×9-85=318-(30+51)=參考答案802-79=723485-467=18115+432+871=141816+102×3=322273×5-430=9352/7+4/7=6/7488+866=1354803+496+24=1323393×2=786476-(164+268)=44208+70=278915-397+952=1470314-143+13=184238-51=187352×8=281637+250+236=523372-(474-104)=2411+620-719=312772-(631-613)=75424×(297-292)=120949-22×9=751136+216=352708+350+495=155382×(236-232)=328445+961-223=118380×9=7203/6-2/6=1/6425+385=810775+330-217=88886+91+632=809235×3+830=1535226×5=1130109+191=300629+556-247=93814×9=126482-(141+187)=154532-166×3=34994×2=1988902-(398+13)=49165+446-314=197163+325=488193×(238-235)=57992-21×3=29952+927+252=2131173×(279-275)=692148+(188-136)=200177+284=461754×6-596=392890×6=540133+284=417478-95×4=98229×4-424=492172+61=233731×4-272=2652483-124=359523-(297+144)=82598-(89+281)=228316-165=151112+242-142=212233×4-406=526192+269+498=959145×3-244=191147-134=13155+494+497=1146115×7+676=1481943+65×9=1528366+(430-223)=5731/4+3/4=1481-77=404550×(748-743)=2750934-475-23=436328-33×7=97291-164-102=25251×9-905=1354395×(379-376)=1185174-(84+56)=34223+16-184=5592×(254-245)=828388-53×5=123695-638=57140×(56-49)=980697-(199+415)=8327+(949-290)=686408+510-638=280682+267+770=1719404-(315+82)=756×9-372=132310×(168-165)=930807+691=1498113×8-606=298181-83+157=255514+(744-277)=981277+220-190=307387-232=155536×6=3216385-141=244120-(161-49)=8459-241-125=93681×4-628=2096485-253=23223+(462-217)=268848-517=331995-(91+469)=435926-128=798442-106-194=142307×(773-764)=2763527-37+842=1332501-192-295=14429-29×5=28429+399×2=827959-(90+752)=117170+(410-358)=222242+214+204=660474+26×5=604276+187+508=971816-114×3=474255×3-530=235435-286+201=350439-(22+318)=99196-27-33=136780+872=1652132+115=247226+242-39=429394+26-198=222312+125+52=489492×2-665=319882+802-108=1576689+(359-84)=964538-66=472285-150=135330-66-198=66907-(133+44)=730132+(789-133)=788448+(430-10)=868456-(498-236)=194310×3=93011×6=66893+122+416=14312/6-1/6=1/651×7+302=659317×2-88=54621×2=42229-(283-70)=16227+242+475=944691×(52-44)=5528565-209+885=1241493+875-36=1332192×5+842=1802200×2+301=70180×(370-366)=320410-(15+146)=249570-257=313868+336×2=1540312-(88+188)=3696×6=57643×3=129297-(487-409)=219231×2+80=542250×7-879=871196-102+384=478118-18×2=82414-(17+214)=183454+15-422=47821-19×2=783538×(905-900)=2690378+284=662496-284-173=39193+113-214=92289+42×5=499167-70+41=1383/6-1/6=2/6597-298×2=1145+254-12=387319-(426-397)=290948-124×5=328714-107+978=1585439-59×6=85249×(143-134)=2241426+205+319=950393-258+69=204250×2=500604-(180-167)=591720×(500-492)=5760662×7-612=4022665+652+683=2000127+(397-100)=42476+84×4=412510+264=77449+936+827=1812573-(568-211)=216778-(890-603)=491158-18×8=141/5+3/5=4/5279-(160+90)=29106+361=467899-357+240=782317×3=951484-(279+137)=6838×3+993=1107350+787+842=1979474-42=43266×6+102=498167+141=308224-31=193206+(466-44)=628442×6-536=2116118+(299-284)=133281-44=237327×(797-792)=1635867+62×2=991314×3=942134×3-350=52113+11×6=17990+(365-343)=112735-(673-62)=124179-72=107124+290-349=65177+356=53393+313=406514+(648-362)=800612-108=50498×9-56=826985+(427-337)=1075739-736+612=61591-(81-49)=59123-10×2=103323-265+88=146450-53-54=343434+232×2=898709-(126+370)=213796-167=629833-49×3=686435-16×4=371632+(962-498)=1096729+844-713=860692+(961-191)=1462997-412-419=166308-(150-38)=196565-101×5=60355-69×3=148503+569-292=780379+315×2=1009291×3-54=819197×3=591148+340=488427-18×8=283574+144+47=765333×(964-960)=1332855-(698-107)=264254+143+424=821201-(155-40)=86733-(726-34)=41508×9=457243×7-145=156360-122+67=305579+148=727288-229=59133×6-409=389974+(685-188)=1471103+29=132195×3-137=44882×9-23=715310×2+300=920133+115=248941-(910-824)=855479-15×5=404436-358+357=435106-(389-314)=31615+(945-453)=110738+(286-238)=86189-(202-119)=106621-429+130=322103+292+399=794587×(685-681)=2348790+535-355=970194×3-159=423882-396-411=75488-376+773=88524+(344-214)=154381+(446-118)=709944-551-59=334191×(399-396)=573561-58+803=1306348+112×5=90840×(374-366)=320807-14×8=695136+465+142=74313+(411-204)=220412+(853-642)=623903-798+216=321333-(473-294)=154143×4-537=35853×(639-631)=68246/8-1/8=5/8277×3-524=30725+561+179=765640-600=40224-180+154=198111×9-846=153153×6+967=1885226-(188-171)=209269+171=440201×(296-293)=603298+(629-421)=506186+213+161=56055×5=27510+389-82=317814-(403-341)=752566×(709-705)=2264846+763+748=2357115-17=98189×2=378245+(948-565)=628892-(361+262)=269670+255×3=1435133+304+173=610943×(706-699)=660132×(310-307)=96241-(199-179)=221200-(59+102)=39325-25+29=329685×(223-220)=205588+(983-22)=1049636+137+155=928675+953=1628776+400+852=2028357-(169+70)=118624+353+424=1401458×2+467=1383426+480+460=1366554×4-53=2163810-(604-97)=303384×(556-547)=3456888-(29+224)=635486-122×2=242416-102-28=286439-(56+89)=294759-(253-145)=651482+194+771=1447392-(77+42)=27391-(124-119)=86525-183=342837×6-896=412694+104-190=8281+147=428714+113+16=843565-272×2=21179+72+247=498488-377-90=21550-25×9=325476-140=33685×5=425722+(699-431)=990284×2=568868+769-709=928387-32×3=291383×(987-979)=3064350×9=3150200-87+115=2281/6+2/6=3/6757×8=6056160×5+182=982616-(199-102)=519487-41=446217+72×9=865380-242=138578-(889-581)=27031+398-321=108468×2-15=921197+179-110=266483-175-65=243234×(367-363)=936175+(829-517)=4875/7+2/7=164-(438-417)=43152+305-292=165418+(466-379)=505316×3=948689-(780-466)=375492-201-223=68995-85-245=665443-(342+59)=42246+522-421=347879×7=6153858-543+227=542515+714-597=632132+202-298=3615×9=135485-207-178=100203+57×6=545387-134-149=104995-(94+204)=697428-121-150=157426-382=4454+432+176=662333+388=721357-15-77=265833-(901-855)=787655-637=18376+(630-621)=385485-193+170=462787-783+490=494477-58=419457-(341+14)=10220+173×3=53992+266-68=290395-108=287253-124×2=5238-26×7=56216×(252-249)=648313-176=13719+(498-165)=352289-73×2=143528+51+901=14801/6+4/6=5/6857-575-72=210490+(435-367)=558878+356+845=2079739-140-123=476937+258-136=1059788-354=4344/6-2/6=2/6217-(353-298)=162939×5=4695200×(882-877)=1000962×6=5772885+623-451=1057464-431+253=286477-203-162=112723-211+635=1147354+(261-150)=46510×(19-12)=7045+53+301=399305+98×2=501248+139-10=377289+192-165=316446-(164+127)=155465-(390-136)=21138×(341-333)=304797+256=1053939×(999-992)=6573883-(627-540)=79666×(384-379)=330162+311=473349+132-58=42378×6=46840×(104-100)=160231×9-343=1736937-55×4=71786×6+480=996732-25+457=1164313+800=11132/6+3/6=5/6384-286+290=388495+175=670218+866-238=846732-59=673261×2+99=621884+504-337=1051218×(986-983)=654775+122×5=1385177-(121+51)=5638×6-146=3682328-243-70=15669+(370-215)=824385-(76+15)=294576×4=2304833-439+365=759266-229+173=210995-894=101882-86+786=1582679-106×6=43843-204-44=595376-(42+294)=40851+294×2=1439454×8-999=2633101-19×4=25443-385+222=280912-113×6=234118×(70-64)=708433×5=2165492-(477-71)=86805-(560+171)=74506+293=799398-39×3=281325-34×6=121177×(846-840)=106279×6-100=374928×9=8352850-342-96=412762+553-267=1048981-(218-196)=959744-597=147435-306=129459-227×2=5229-(338-276)=167295×(28-25)=885553-335=21897×9-208=665772+615=138785+840+836=1761284-168=11696+500+387=983897-64-195=638296-(984-733)=45450×(755-747)=3600313+170-39=444571+440-791=220315+819=1134209-66=14320×9+256=436971-268×2=4353/5-2/5=1/547+137=184575-222+407=760904-259-280=365223-11-181=31462-(440-334)=356257×2-169=345236-(39+167)=30783-(286+254)=243901-173-500=228931-(551-255)=635475-455=20989+386+131=1506755+(650-649)=756100×(198-193)=50090+92=182375+50×4=57518+(271-244)=45311-33-96=1823/6+2/6=5/6258+185=443493-(76+183)=234244-189+378=433798+414+409=1621161×(161-155)=966371-168+29=232287-262=25977-445-242=290905-173-663=69104×4=416649×8=5192343×7-879=1522183×8-44=1420795+182×5=1705722-89-163=470394-276-56=62492-(152+254)=86288+32×3=384430-79-170=181159×4=63657×8+113=569682-120-386=176784×8=6272697-396-140=161269+45+650=964234+40×2=314290-95+174=36962×(497-489)=496123×6-409=329659-(567+13)=79101×8+823=1631284+49×3=431779-515-72=192876+(711-332)=1255551+(116-15)=652183×7-258=1023470+483×2=143643×4-31=141522×8-639=353764+413-253=224606-94=512193×(410-406)=7724/8-3/8=1/858+224+665=947780-336-174=2701/7+3/7=4/771×4+332=616376-28×3=292323-96+34=261721-(59+352)=31067×6+274=676995-716-270=9304-16×4=240137×(421-415)=822443-127+840=1156110+55-110=55104×7+178=906444-(65+84)=295612×2-771=453777-192+47=632154-(68+33)=53490+165-523=132846-388×2=70945+411=1356306-148×2=1065×8-10=510801-141-473=187376-(46+160)=170139×(438-434)=556317×(357-354)=95198×7=686205+435=640414+(953-662)=70531×6+629=815853×(446-441)=4265483×9-890=345778+687-41=724563+244-652=155100+18=118345-(42+201)=102106+226=332567+(322-236)=653238×(417-413)=95216+344+737=1097267+60=327424-(225+61)=13825+357-326=56239+(353-272)=32034+(228-220)=42493-(173+98)=222996×7=6972919-(472-371)=818989-322×3=23550-276-74=200236×(367-363)=944348+638-590=396450-26×9=216319+(456-36)=739923-(446+206)=271301-37×8=561×7+749=1176351-216+198=333304-(87+194)=23157×6-97=845276+280-504=52192×7=1344287+99-128=258804×7-787=4841203-(40+61)=102282+109+98=489135×(350-344)=810539×(541-533)=4312491×3=1473710+533=124375+389=464517×5=2585308-(195-165)=278426-420+160=166186+903-216=873357+104=46190+409-331=168317×3-518=433418-106-140=172106+(968-932)=142114×8-813=99536+519=1055241+144+609=994156+335×2=826522-362+32=192402-91×2=22094+781+635=151054×2=108986-159×6=32414×2=828636-(615-491)=512115×5+156=731273-10×4=233199-(348-237)=88879-302×2=275452-215-122=115379-(294-142)=227475-(400-395)=47062+208=27083+131=214561+(704-40)=1225227+648=875935-241×2=453484-70=41486+400=486412-35×2=342235-147=88487-(446-156)=1971/4+2/4=3/4324-46+823=1101604-263×2=78445+181-282=344529+23×3=598894-64+668=1498914-(384+285)=245161-(160-84)=85970-(555+365)=50345-79×3=108355+411=766315-295+466=486153+(390-64)=47974+(473-48)=499146+208-120=234459-444+358=373821-128-652=41368-161+292=499390-319+352=423154+243-100=297257+(220-172)=30554+57×2=168850-801=49800-733=6742