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

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦98+190=300+11×6=887-26×7=382-97+114=852-(341-147)=758+21×5=487-71=247+111=664-217+218=790-697=211+584+163=596×5=461-(663-520)=1/9+2/9=904-457=720-(76+396)=38×8+499=189-128+259=240-61×3=285-39×5=820-(280+327)=444-42=244+(447-409)=279+128-167=1/4+2/4=942-829+822=339+190+735=273-(197-102)=858-556=10×(386-381)=193+126-149=198+(406-296)=838-566=175+264=944-197+373=520+(875-694)=410-201=188-81=966-(363+536)=98+(498-352)=39×(222-217)=65×5-267=90×(871-865)=268+796-163=722-(109+157)=976+307-643=372×8=274-73-171=107+13+154=264+358=424-29×4=425-115×3=273×9=137×5+132=297-29×6=195+98+212=828-88×9=195+292=121-74+275=398+252+60=594-379-37=64×(101-97)=465-(597-289)=650+32+814=139×(175-172)=219+206=400+85=204-(273-193)=678-(283+334)=462-203=629-70×4=93-63=378×2-611=334-94-205=330-104+189=107×4=97×8-501=741-(981-861)=38+293+242=48+(391-182)=230-(461-460)=759-(837-159)=908+758-580=3/5-1/5=894-342-494=303-(101+187)=58×2=99×(467-460)=118×8=185-(192-148)=29×9+269=311-21-200=357×(628-619)=151+(756-414)=473-33×6=424-100+142=78×8=76+379=396×(135-129)=477+315+90=242+192×2=817-27-543=802-326=135-85+969=864+905=399-(290-68)=333-(470-399)=984+651+617=237×(332-328)=168+(967-29)=767-98+292=982+247=208+199×2=55×7=493×9-384=400-(44+52)=206-162=712-(493-82)=427+(394-80)=209+242=475-348-111=979-(516+92)=283×3+80=359-41-290=466×(886-877)=231×2+781=630×9=711-602=427-(87+239)=342-65-154=827-522=296+821-694=454-70+970=184-70=268+697+32=329-(194+96)=122×7=875-391=467-138×3=496-378+881=359-240-51=284-141=118×2-57=441-(883-835)=959+997-819=367×2-211=439-137=338+481×2=453+680-262=466-94×2=345+(106-83)=110×6=158×4-107=597-(362+127)=21×(447-444)=891+858=675+313+827=483-79×4=279×3=200-171+392=314-117+164=563-116×3=147+(157-87)=111+359-271=242×4=888×(918-914)=2/8-1/8=374-(194-40)=209×(132-129)=680×3=122-50=32×8=397-132-160=303+185=228×4-142=788-30×3=24×7+373=421-352+98=265+173-411=1/7+2/7=54-21=34×(288-282)=930-27×3=396+95+437=101×(394-386)=433-(363+20)=361+245+322=281+924-169=865+86+575=434×(152-147)=324-316+367=260×9-420=389-(141+100)=927+512-230=189×7=282×7=32×3+710=707-(67+209)=809-(461+300)=477-(132-82)=916-422-102=118×3+370=304+(312-33)=984+(747-555)=426-209-86=383+57-30=75+286=277×3-499=859×(164-156)=549×9-929=869+228+57=295+(341-113)=414+283×2=691+223+304=607+109+261=266-32-61=88+224=29+397×2=150+(436-386)=443+991=758+62×2=973-(423+443)=127×(413-407)=605+743=433-(67+21)=130-74+405=880×3=67×6-376=616-(417+176)=937-(105+218)=331+140=596-103+422=146×9-658=339×7-766=971-(729-174)=775×3-944=4/6-1/6=986+769-822=484-69×4=38×4+244=57+398-369=32×2+515=27×3=200-28×3=124+(767-159)=454×4-300=621+69-161=456+768-986=862-608=885-(65+511)=439-(429-382)=819-(521-433)=811×(767-760)=960-413×2=770×3-623=822-(209+196)=21×(78-74)=208×(14-11)=242×8=252+(282-235)=386-29-142=342+95-405=309+140=262-107=923-126+776=280-(403-275)=152×5-733=136×6=301-126-161=43×9-176=244+258+447=450×2-714=471+18-371=3/6+2/6=62×8-260=142×5=633+667-504=636-(753-159)=350+(901-239)=449+11-132=211-36×4=520×3-667=409×2=388+(139-74)=433+10+117=298+489+114=611×(57-51)=234-(132-68)=432×2-314=280-246=272-(151+119)=214+303=241-104×2=856-293+174=468+502-201=474-(384-356)=169+272=953-629-133=356×2=68+59×4=993-645+191=326+35-175=242-21=389×4=434+(423-148)=4/7-2/7=476×6-596=32×7+603=83+996+627=53+258-199=99×7-365=387+567=770-463-279=53×6+145=344-25×3=393-(470-459)=387×3-479=105+391×2=843×2-876=779-180-270=162×3+325=496-251-207=104×9=26×8=500+156=827+(862-331)=197-(445-443)=903+388-425=155+72=434-377=468-119=144+296-62=494+(206-179)=103+373-393=130+838-293=50×(210-204)=869-154=548-(395+37)=69×4=454-126-17=141+44+761=362-252+183=487-403=991+773-345=287-(381-170)=491-13×9=939-(698+87)=184×3-134=296-(183+69)=6/8+2/8=255-(69+80)=719+883-16=231-(66+143)=905+175=1/7+6/7=75×3+182=280-(457-325)=875-(366+301)=909-(608-239)=387+778=83+30×9=482-(623-602)=840-(13+660)=35+747+180=54-(409-377)=618+343+623=66×8-183=801+287+327=998+276-35=269×(863-857)=188-17×5=289+129=551-62×3=948+138×6=87+242+528=379-176-42=122+316=482+281+923=330×2+40=11+(776-118)=436-(34+295)=197-(62+116)=84×5=707-64×4=346-(100+233)=295×6-483=221+62+648=198-172=14×(152-143)=110+(495-299)=280×(619-610)=46+78=76+108×5=404-143×2=152-(884-756)=424-404+33=507-(18+240)=893+(870-862)=275+137=393+784-844=538-46=154×(415-409)=167×2-178=163×5-196=411-355=460-294+683=138+67=111×5=29+23+87=283-24-208=761-332-49=121+(309-44)=33×(150-144)=126-58-65=903-338+944=117+(292-119)=2/10+5/10=496-(329-43)=264-112+189=182+59×5=653-32×9=925-341+291=608×6=484-(333+50)=382-81×3=214+912=271+82×8=138+121×5=842×(424-417)=37+56×8=381-(674-573)=498-(66+358)=417+(430-18)=832-130-76=709-140-250=254+125-214=742-46-264=202-113=180×(175-170)=19+368-287=201×(351-348)=635-106=259×(372-369)=562-509+521=871-190-214=302-118-154=139×(337-331)=848-113×3=610-145-132=296×2-467=452+(135-107)=14×8=795-238-392=205×3=54×6=189-(454-431)=462+21×6=85×8+147=131-84+263=215+223=313×(994-989)=52-29=2/8+3/8=500-(193+197)=557+(725-540)=440+(962-905)=5/8-2/8=504+69×4=499+39-296=418+(825-744)=133×3=979×(556-551)=243-96=96×6+276=656×9=485-(77+153)=256×2=159+462=466-301=330+81-152=446-(42+29)=767-174+198=589-(391-338)=453-287-49=298+178-187=767-(878-330)=195×3+71=157+200+375=286×9=418-(149-88)=255×9-538=71+18×5=721×9-83=120+137=999-918+134=398-(454-368)=811+846+93=456+(308-155)=693+(531-373)=19×(378-374)=437-286+100=303+224+23=988-251×3=912-411×2=844-220-516=37×(461-455)=76+(871-177)=128+239-136=264×3=790-189+461=368-(111+106)=256+132×3=266+306×2=104+565=619-134=183×(104-97)=207-(16+29)=217+269=516×3=256×8-931=938+42×2=841-104-372=391-(553-303)=309+472+89=89+(410-225)=608-404=192×(55-52)=63+279=444-47×6=79+363=716×9-875=413+30-137=406×2-49=406-35×7=985×(320-311)=122+74×4=188-24×3=577-526=506+802-59=216×3=189-65-77=137+115-115=754-101-26=205+(459-353)=965+735-908=197+245=853-458=208+947+105=188×(149-144)=605-25×4=171+322+104=441-16×8=320+(824-511)=214-187=358-257+269=741+(924-569)=350-86+10=109+(239-73)=876-303+739=127+371-333=341-175-35=697-35×4=420+86×4=486-(215+240)=559-186=334×2=129-(234-230)=2/7+3/7=416-211+88=481-341+555=127+320=526×7-759=739×5=363-241=68+985+520=65×3=97×2=540-(639-374)=702-36×8=435+79=233-29×4=128×8-124=72×8+131=360+105=364+(433-70)=414+(581-170)=687+998+613=170-49+121=264+239×3=189-63=416+90×5=472+197+917=768-(719-129)=923+10+903=774×(785-778)=21+178+10=438+(968-670)=286-72-66=67+(133-108)=447+311=274×6-890=990-211×3=4/8-1/8=593-(13+341)=370-(332-295)=362+(911-156)=269+145=21+378-91=353-114×3=745+989-77=269-45=611+549+931=761-507+340=365×(134-125)=438-258=406×2-56=777×6-807=851+(793-491)=446-340-52=762-196=172-37×3=926+44+865=451+194=473-213=69+(287-34)=2/5-1/5=753-232-233=272-(371-302)=2/4-1/4=85+(484-212)=157-(29+97)=344-35-27=864+223-506=57+169+620=129×6-329=420-157-125=614-256+514=345-128+74=576-(551-354)=60-35+267=415-20×4=116×(258-253)=364-218-37=513+904=28+177+186=372-187-40=5/7-2/7=128+293=216×4+51=278-14×9=809+512+821=236×(858-850)=101×8-519=182+(433-187)=433-(316+45)=335-126×2=885-(350+329)=885-(652-236)=698+158+130=425-56-90=306×(546-543)=86+51+353=423-(33+220)=453-(131-56)=683-140×4=822-760+401=289+239=271×(401-395)=213×2+84=131×5=923-(996-316)=232+(461-256)=545+(886-150)=82+271+488=16+214-71=873-160-120=185×2-278=3/6-1/6=366+161=25×(500-497)=492+(302-60)=353-235=881-(800+65)=416-99×3=4/8-2/8=290×2=343×2=577-451+661=209-(106+101)=55+70×6=1/6+4/6=144-23×5=855×(564-556)=797+267-790=189+252-111=365×2+501=317-(13+279)=842-84-89=16+459-186=65×4=217×4-755=102+(287-143)=829-(136+191)=879-(668-351)=445+680-938=2/10+4/10=142+347=527-179=269-114=301×2=880-230×3=202-68+281=250-(347-272)=201-(36+56)=437-122-24=498-323+266=492-(447-17)=742-600=277×2-365=601-10-182=183-127+22=904-465+553=184×3+302=148-62=721+18+254=856-563=155×5+430=342-(131+120)=127-101+391=684+(850-762)=318+175-247=120+(970-909)=238-77×3=555+(477-51)=495-287-57=341×6-727=450-(50+206)=166+286=581-337+136=302×3=46+259=967-(81+308)=425-(163+227)=655+699=124×6=122+(633-123)=395+84+433=83×(108-102)=312-162+40=428-205+51=214-209+773=386+215+156=92×(274-267)=423-(150+35)=330-133=214+134+306=273×6=245-(490-316)=68×9=960+331+83=577+766=108-90+327=90-62=244+979+861=579-345=105×(29-23)=158×4-507=187+280-392=103+549+225=808×(525-517)=468-(363-206)=591-(587-160)=979×(321-314)=426-37×4=942-319×2=459+36-430=158+783+860=284-(276-22)=255×(303-298)=466×6=332-(460-344)=49×6=539×(846-841)=971-(351+218)=145-(423-421)=618-102-321=375-49×5=628-14×7=778×5=615-77×5=107×8-547=920-347×2=189+294+328=497-198-161=938+183=120×6-294=80+209-224=420-24-374=470-88-378=403-301=323-260+210=4/7+2/7=54×2+367=319-(104+45)=889×8-675=254-117+53=243-(213-132)=295-(77+11)=352-299+29=76×4+888=378+(217-205)=131×(90-83)=158+259=113×4-170=115×4=71×(943-935)=322×3-204=754+(103-81)=725+(833-332)=482×2-336=456-139-13=488-221×2=881-319-528=7/10-2/10=711+699+901=218-107+233=285+61×2=991+501-883=706-(373-317)=438-(248-126)=287-38×2=32+761+48=359×2+16=279+355-446=297+44-243=221+95=374+104=208+81=186×7-885=324+47-102=147×4+521=405×2-72=392-49×6=260+(169-159)=309-31=391-(334-31)=744+182×5=551×4=737×8-944=239×2+437=831+269+514=806-253=199×3+325=151-28+136=423-163-185=902×(965-956)=921-198×3=631+611-728=954-269-46=181×6=27×(449-444)=243×2-421=389-101-120=362-(30+56)=參考答案98+190=288300+11×6=366887-26×7=705382-97+114=399852-(341-147)=658758+21×5=863487-71=416247+111=358664-217+218=665790-697=93211+584+163=958596×5=2980461-(663-520)=3181/9+2/9=3/9904-457=447720-(76+396)=24838×8+499=803189-128+259=320240-61×3=57285-39×5=90820-(280+327)=213444-42=402244+(447-409)=282279+128-167=2401/4+2/4=3/4942-829+822=935339+190+735=1264273-(197-102)=178858-556=30210×(386-381)=50193+126-149=170198+(406-296)=308838-566=272175+264=439944-197+373=1120520+(875-694)=701410-201=209188-81=107966-(363+536)=6798+(498-352)=24439×(222-217)=19565×5-267=5890×(871-865)=540268+796-163=901722-(109+157)=456976+307-643=640372×8=2976274-73-171=30107+13+154=274264+358=622424-29×4=308425-115×3=80273×9=2457137×5+132=817297-29×6=123195+98+212=505828-88×9=36195+292=487121-74+275=322398+252+60=710594-379-37=17864×(101-97)=256465-(597-289)=157650+32+814=1496139×(175-172)=417219+206=425400+85=485204-(273-193)=124678-(283+334)=61462-203=259629-70×4=34993-63=30378×2-611=145334-94-205=35330-104+189=415107×4=42897×8-501=275741-(981-861)=62138+293+242=57348+(391-182)=257230-(461-460)=229759-(837-159)=81908+758-580=10863/5-1/5=2/5894-342-494=58303-(101+187)=1558×2=11699×(467-460)=693118×8=944185-(192-148)=14129×9+269=530311-21-200=90357×(628-619)=3213151+(756-414)=493473-33×6=275424-100+142=46678×8=62476+379=455396×(135-129)=2376477+315+90=882242+192×2=626817-27-543=247802-326=476135-85+969=1019864+905=1769399-(290-68)=177333-(470-399)=262984+651+617=2252237×(332-328)=948168+(967-29)=1106767-98+292=961982+247=1229208+199×2=60655×7=385493×9-384=4053400-(44+52)=304206-162=44712-(493-82)=301427+(394-80)=741209+242=451475-348-111=16979-(516+92)=371283×3+80=929359-41-290=28466×(886-877)=4194231×2+781=1243630×9=5670711-602=109427-(87+239)=101342-65-154=123827-522=305296+821-694=423454-70+970=1354184-70=114268+697+32=997329-(194+96)=39122×7=854875-391=484467-138×3=53496-378+881=999359-240-51=68284-141=143118×2-57=179441-(883-835)=393959+997-819=1137367×2-211=523439-137=302338+481×2=1300453+680-262=871466-94×2=278345+(106-83)=368110×6=660158×4-107=525597-(362+127)=10821×(447-444)=63891+858=1749675+313+827=1815483-79×4=167279×3=837200-171+392=421314-117+164=361563-116×3=215147+(157-87)=217111+359-271=199242×4=968888×(918-914)=35522/8-1/8=1/8374-(194-40)=220209×(132-129)=627680×3=2040122-50=7232×8=256397-132-160=105303+185=488228×4-142=770788-30×3=69824×7+373=541421-352+98=167265+173-411=271/7+2/7=3/754-21=3334×(288-282)=204930-27×3=849396+95+437=928101×(394-386)=808433-(363+20)=50361+245+322=928281+924-169=1036865+86+575=1526434×(152-147)=2170324-316+367=375260×9-420=1920389-(141+100)=148927+512-230=1209189×7=1323282×7=197432×3+710=806707-(67+209)=431809-(461+300)=48477-(132-82)=427916-422-102=392118×3+370=724304+(312-33)=583984+(747-555)=1176426-209-86=131383+57-30=41075+286=361277×3-499=332859×(164-156)=6872549×9-929=4012869+228+57=1154295+(341-113)=523414+283×2=980691+223+304=1218607+109+261=977266-32-61=17388+224=31229+397×2=823150+(436-386)=200443+991=1434758+62×2=882973-(423+443)=107127×(413-407)=762605+743=1348433-(67+21)=345130-74+405=461880×3=264067×6-376=26616-(417+176)=23937-(105+218)=614331+140=471596-103+422=915146×9-658=656339×7-766=1607971-(729-174)=416775×3-944=13814/6-1/6=3/6986+769-822=933484-69×4=20838×4+244=39657+398-369=8632×2+515=57927×3=81200-28×3=116124+(767-159)=732454×4-300=1516621+69-161=529456+768-986=238862-608=254885-(65+511)=309439-(429-382)=392819-(521-433)=731811×(767-760)=5677960-413×2=134770×3-623=1687822-(209+196)=41721×(78-74)=84208×(14-11)=624242×8=1936252+(282-235)=299386-29-142=215342+95-405=32309+140=449262-107=155923-126+776=1573280-(403-275)=152152×5-733=27136×6=816301-126-161=1443×9-176=211244+258+447=949450×2-714=186471+18-371=1183/6+2/6=5/662×8-260=236142×5=710633+667-504=796636-(753-159)=42350+(901-239)=1012449+11-132=328211-36×4=67520×3-667=893409×2=818388+(139-74)=453433+10+117=560298+489+114=901611×(57-51)=3666234-(132-68)=170432×2-314=550280-246=34272-(151+119)=2214+303=517241-104×2=33856-293+174=737468+502-201=769474-(384-356)=446169+272=441953-629-133=191356×2=71268+59×4=304993-645+191=539326+35-175=186242-21=221389×4=1556434+(423-148)=7094/7-2/7=2/7476×6-596=226032×7+603=82783+996+627=170653+258-199=11299×7-365=328387+567=954770-463-279=2853×6+145=463344-25×3=269393-(470-459)=382387×3-479=682105+391×2=887843×2-876=810779-180-270=329162×3+325=811496-251-207=38104×9=93626×8=208500+156=656827+(862-331)=1358197-(445-443)=195903+388-425=866155+72=227434-377=57468-119=349144+296-62=378494+(206-179)=521103+373-393=83130+838-293=67550×(210-204)=300869-154=715548-(395+37)=11669×4=276454-126-17=311141+44+761=946362-252+183=293487-403=84991+773-345=1419287-(381-170)=76491-13×9=374939-(698+87)=154184×3-134=418296-(183+69)=446/8+2/8=1255-(69+80)=106719+883-16=1586231-(66+143)=22905+175=10801/7+6/7=175×3+182=407280-(457-325)=148875-(366+301)=208909-(608-239)=540387+778=116583+30×9=353482-(623-602)=461840-(13+660)=16735+747+180=96254-(409-377)=22618+343+623=158466×8-183=345801+287+327=1415998+276-35=1239269×(863-857)=1614188-17×5=103289+129=418551-62×3=365948+138×6=177687+242+528=857379-176-42=161122+316=438482+281+923=1686330×2+40=70011+(776-118)=669436-(34+295)=107197-(62+116)=1984×5=420707-64×4=451346-(100+233)=13295×6-483=1287221+62+648=931198-172=2614×(152-143)=126110+(495-299)=306280×(619-610)=252046+78=12476+108×5=616404-143×2=118152-(884-756)=24424-404+33=53507-(18+240)=249893+(870-862)=901275+137=412393+784-844=333538-46=492154×(415-409)=924167×2-178=156163×5-196=619411-355=56460-294+683=849138+67=205111×5=55529+23+87=139283-24-208=51761-332-49=380121+(309-44)=38633×(150-144)=198126-58-65=3903-338+944=1509117+(292-119)=2902/10+5/10=7/10496-(329-43)=210264-112+189=341182+59×5=477653-32×9=365925-341+291=875608×6=3648484-(333+50)=101382-81×3=139214+912=1126271+82×8=927138+121×5=743842×(424-417)=589437+56×8=485381-(674-573)=280498-(66+358)=74417+(430-18)=829832-130-76=626709-140-250=319254+125-214=165742-46-264=432202-113=89180×(175-170)=90019+368-287=100201×(351-348)=603635-106=529259×(372-369)=777562-509+521=574871-190-214=467302-118-154=30139×(337-331)=834848-113×3=509610-145-132=333296×2-467=125452+(135-107)=48014×8=112795-238-392=165205×3=61554×6=324189-(454-431)=166462+21×6=58885×8+147=827131-84+263=310215+223=438313×(994-989)=156552-29=232/8+3/8=5/8500-(193+197)=110557+(725-540)=742440+(962-905)=4975/8-2/8=3/8504+69×4=780499+39-296=242418+(825-744)=499133×3=399979×(556-551)=4895243-96=14796×6+276=852656×9=5904485-(77+153)=255256×2=512159+462=621466-301=165330+81-152=259446-(42+29)=375767-174+198=791589-(391-338)=536453-287-49=117298+178-187=289767-(878-330)=219195×3+71=656157+200+375=732286×9=2574418-(149-88)=357255×9-538=175771+18×5=161721×9-83=6406120+137=257999-918+134=215398-(454-368)=312811+846+93=1750456+(308-155)=609693+(531-373)=85119×(378-374)=76437-286+100=251303+224+23=550988-251×3=235912-411×2=90844-220-516=10837×(461-455)=22276+(871-177)=770128+239-136=231264×3=792790-189+461=1062368-(111+106)=151256+132×3=652266+306×2=878104+565=669619-134=485183×(104-97)=1281207-(16+29)=162217+269=486516×3=1548256×8-931=1117938+42×2=1022841-104-372=365391-(553-303)=141309+472+89=87089+(410-225)=274608-404=204192×(55-52)=57663+279=342444-47×6=16279+363=442716×9-875=5569413+30-137=306406×2-49=763406-35×7=161985×(320-311)=8865122+74×4=418188-24×3=116577-526=51506+802-59=1249216×3=648189-65-77=47137+115-115=137754-101-26=627205+(459-353)=311965+735-908=792197+245=442853-458=395208+947+105=1260188×(149-144)=940605-25×4=505171+322+104=597441-16×8=313320+(824-511)=633214-187=27358-257+269=370741+(924-569)=1096350-86+10=274109+(239-73)=275876-303+739=1312127+371-333=165341-175-35=131697-35×4=557420+86×4=764486-(215+240)=31559-186=373334×2=668129-(234-230)=1252/7+3/7=5/7416-211+88=293481-341+555=695127+320=447526×7-759=2923739×5=3695363-241=12268+985+520=157365×3=19597×2=194540-(639-374)=275702-36×8=414435+79=514233-29×4=117128×8-124=90072×8+131=707360+105=465364+(433-70)=727414+(581-170)=825687+998+613=2298170-49+121=242264+239×3=981189-63=126416+90×5=866472+197+917=1586768-(719-129)=178923+10+903=1836774×(785-778)=541821+178+10=209438+(968-670)=736286-72-66=14867+(133-108)=92447+311=758274×6-890=754990-211×3=3574/8-1/8=3/8593-(13+341)=239370-(332-295)=333362+(911-156)=1117269+145=41421+378-91=308353-114×3=11745+989-77=1657269-45=224611+549+931=2091761-507+340=594365×(134-125)=3285438-258=180406×2-56=756777×6-807=3855851+(793-491)=1153446-340-52=54762-196=566172-37×3=61926+44+865=1835451+194=645473-213=26069+(287-34)=3222/5-1/5=1/5753-232-233=288272-(371-302)=2032/4-1/4=1/485+(484-212)=357157-(29+97)=31344-35-27=282864+223-506=58157+169+620=846129×6-329=445420-157-125=138614-256+514=872345-128+74=291576-(551-354)=37960-35+267=292415-20×4=335116×(258-253)=580364-218-37=109513+904=141728+177+186=391372-187-40=1455/7-2/7=3/7128+293=421216×4+51=915278-14×9=152809+512+821=2142236×(858-850)=1888101×8-519=289182+(433-187)=428433-(316+45)=72335-126×2=83885-(350+329)=206885-(652-236)=469698+158+130=986425-56-90=279306×(546-543)=91886+51+353=490423-(33+220)=170453-(131-56)=378683-140×4=123822-760+401=463289+239=528271×(401-395)=1626213×2+84=510131×5=655923-(996-316)=243232+(461-256)=437545+(886-150)=128182+271+488=84116+214-71=159873-160-120=593185×2-278=923/6-1/6=2/6366+161=52725×(500-497)=75492+(302-60)=734353-235=118881-(800+65)=16416-99×3=1194/8-2/8=2/8290×2=580343×2=686577-451+661=787209-(106+101)=255+70×6=4751/6+4/6=5/6144-23×5=29855×(564-556)=6840797+267-790=274189+252-111=330365×2+501=1231317-(13+279)=25842-84-89=66916+459-186=28965×4=260217×4-755=113102+(287-143)=246829-(136+191)=502879-(668-351)=562445+680-938=1872/10+4/10=6/10142+347=489527-179=348269-114=155301×2=602880-230×3=190202-68+28