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517×3=710×2=200-(951-796)=381+80=232×4-857=326-(235-156)=183-(251-167)=111×(375-368)=287+936+557=427-(207-118)=766-(394+193)=471-(330+23)=203×4+185=864-98-759=292×(464-458)=312×3-396=386-16×4=44×6+211=121-31=121+(319-275)=2/8+4/8=58-56+158=344+94-279=591+332+41=669-655+28=193-150=347+628=960-80×2=431+(880-827)=333-168-35=323×(37-28)=458-(76-25)=551-253+613=67×(48-39)=193+128=124×7-507=721-(879-413)=463×(337-334)=159×8=51+182+117=32×(557-550)=275+160=861-(248+513)=112×4=710+129+108=176×5=65×(263-257)=24+182+852=623×2=563×9=265+180=258+(230-136)=357-(59+250)=238+181-21=200×6-214=193×(367-362)=35×(238-231)=185-(459-330)=189×(400-396)=723×8-227=230-(135-68)=172+199+597=298-(118+54)=456+(765-493)=188×4+145=241-44=176×4+105=468×2=399+(485-132)=284+172-321=287+422+187=507-164+276=319-(89+211)=372+(814-415)=746-565=982×7=368-(418-197)=884-(71+425)=521+66+89=244+(300-233)=142-(87-72)=93+62×2=817×9=70×9-474=344-92-186=822-439+795=901-660+379=160+103+98=521+745-920=52+26=487×3-875=447-255=695+41×3=379-92+53=254×(975-971)=622-556=3/6-1/6=495×(148-142)=430-159-92=161-(13+131)=237-(87-41)=276-57-37=103+432+416=324+117×5=328-13×4=375-113+223=468-(20+49)=156-22×3=190+119=3/5-1/5=367-240=810-214=458×(427-424)=339+74=82-18=523-(670-399)=853-628+803=344-(474-440)=791-176-569=934+474-60=327-(209-73)=385-(82+302)=180-174+302=577-107=21×2+242=69×(418-410)=484-399+316=672+167×2=103-(16+16)=589+(785-601)=186×3-225=857-651=227×3=930-(40+674)=103×9-482=545+273+843=180+(379-265)=207-40×2=232-(42+117)=25×(192-186)=3/6-2/6=764-586=454-267-10=374-226-51=919-393+621=838-574-167=997×9=708-299-316=817-(343+92)=226×3-206=557-154=875-(151+227)=613-31×4=158×2=785-(276+349)=145+246=443-318+164=962-122-639=454×4-33=474+30×4=278+311-96=517+30+411=128×4+206=553×8=77-(44+23)=1/8+2/8=309+238=484-117×4=111+(853-100)=497+(409-131)=401+70-412=307-50×6=457×2=2/7+4/7=329-(480-167)=333-(298-218)=430-404+135=59×7+80=399-26×8=625+195×2=485+(856-550)=372-(233+124)=145-(19+52)=830-59×4=333-301=260+129=899-591+489=640-102=10×6=532+90-11=324×8-134=943-(581+212)=478+(504-34)=45×5+24=226+49+36=466-(21+69)=349-42+51=126×3+416=293+479×2=983-221×3=400×2+62=804-628+547=241-26×8=304-20+437=405-177×2=636-270×2=290+155-266=917-61-642=315-261=476-379=52+10×9=127×5=36×6+110=503-467=271+(179-13)=687-217+33=455+265-367=513-(338-221)=335+(978-225)=30+190×5=99+216=331-(345-199)=750-(197+100)=980-174×2=170+(312-191)=835×(549-542)=177+61-135=17+68+26=453+(497-105)=613-(294+100)=110+92-153=379-71×4=25×8+859=196+316-218=666-19×9=906+440+562=500+527+533=466+(709-456)=426+(958-471)=271+984+511=402×4-289=469-169+137=944+(647-401)=852-203-457=878+171×3=158+152=496-(341-42)=514-(946-869)=295-21-157=283-73+139=997-101×2=513×(200-194)=394-124=471-34-324=305-190=678+115+147=75×7-302=858×6-21=189+270=467-127-102=812+477=353+168×2=5/8+2/8=650×(871-867)=913-280+354=90×9=207+203-253=704-(730-245)=667-(272+91)=63+255-18=195+263=191×(137-134)=69×5=31×(471-463)=343-(549-495)=90×7-244=151-118+175=122×(145-138)=448×9-569=379-(176+56)=789-181×3=408-(433-109)=322-137×2=813-(886-749)=278×4-742=829+29+879=459+(105-40)=367+367=777-157×2=420-390+112=962-(714-303)=46-(311-265)=278×3+160=600-172×2=192+722-637=707+159+497=247+15-197=760+(787-684)=651+(967-668)=818-(612+49)=794-(316-285)=473-81×3=178×(263-259)=440-(164+219)=847-537=57×3-153=956-654-184=238-166=989-(271+247)=595+328×3=869-(43+457)=312+366+77=707+101×2=725-21-160=225+143-316=170×7-124=863-99×4=239+448+384=317-261+288=444+381+32=499+(343-227)=193+352+330=275+151=197-31+246=419-(64+296)=260+131=193-(478-420)=108+320=259×2+15=857+623+859=818-(125+241)=722-77=481-12=435×(305-301)=998+821=161-142+440=486-(317+122)=195-10×3=374-(206-102)=108+465-39=322+937+350=842-(742-347)=672×(89-84)=258-(40+157)=430-15×9=690+624=557×9=424×6-54=210+684+296=63+99×6=200-(301-219)=238×2+48=480-(409-140)=734+(672-389)=381+284+309=519+841+662=838×6=94×(398-395)=452-44×4=618-(366+176)=259+(896-590)=102+142+565=258-(68+43)=673+311-240=288+134+855=440-22×8=80+(197-190)=39×7=386×7=266-212-47=342×(271-265)=408-99×4=167+108×6=716-295+183=415-347+199=75+100+745=133×7=216×7=621×9-242=818×9-49=423+212+665=274×3+281=332×3=174-(32+95)=176+62=266+(380-206)=224×3-314=810-240-257=120-22×4=100×(15-10)=773+(457-421)=269-119=391×2=639-180×3=959×(319-312)=156×4+753=598+471=830-177+870=375+265-242=640-316-12=359-97×3=83×8-284=971-285+14=502+199×4=70×(240-232)=345-(377-305)=934-(40+149)=718×7=152-46×3=580-497+245=53+14×2=248+175-138=298-37×4=432-(944-635)=689+(910-321)=425-(484-179)=265+716-303=922-921+320=240+147=101×(179-174)=778×8-716=58+11×3=243+29-93=693-124×5=869×9-723=434+763-68=27+(368-245)=409-141=45×(151-145)=851+485-782=18-(403-393)=298-63=910-539-172=514-17+473=917-(628+270)=524×6-29=299+37×7=482-207+848=336+972+473=225+240=405+(915-692)=130×(39-32)=617-63×6=491-15×5=447×(747-742)=126×(18-11)=18×(289-283)=118×8-253=836+229+429=477-(467-404)=169×(133-130)=259×4=330-(58+205)=333+896+445=501×7-379=800-114-576=377+(463-150)=671×3-912=788-32-569=157+187-132=32×(338-330)=320+217+79=357+(419-267)=424+475+27=556-(644-497)=145-142+164=187+226-122=71×6+91=856-793+142=310+343=2/3-1/3=91+378-422=488+(246-181)=26+32+922=36×2=667-102-81=243×8-659=130×7-355=394-41+138=633+503-104=427-(323+47)=52×2+98=440+(249-74)=124×(301-294)=863+437+669=967-321+630=228-16×8=536+122=399×(924-921)=7/9+2/9=260+38×4=109×7-600=500-(253+192)=229+109=292×2-52=230×7=373×(820-814)=826+168-582=160-(434-283)=384+(191-121)=699+480-854=134×5+22=22×4=557-323=364-(219+81)=156+474=334×6-789=479-154-288=70×(321-313)=3/6+2/6=408+143=238-49+278=326-(174-49)=68+25+309=50+917-263=912-281-424=5/9-3/9=482-343-10=243-87-143=82×(122-119)=985-86×2=959-125-525=400+(345-210)=10×9=674-306-59=480-135-305=940×(826-820)=111+89=854-631=206+655+173=262-(214+12)=312+145+314=78×3-65=429×2+863=1/3+2/3=88×3=931×3=188-(42+58)=387×2-87=20+168×3=887-234×3=835+148-927=153×4=972-626+980=334+59=815-(996-708)=327-129×2=162+(965-616)=487-297=224×3+272=491-376-73=264+86=471-258+197=61+526+189=264×2=935-465=334×6-406=792-463-263=1/9+5/9=381-187-104=449+347-202=277-125=772+(333-133)=728-284=360+(452-146)=67-56+338=663+(967-837)=442×4=635-(188-96)=718-43+394=885×3=346-12-125=468×(77-69)=859×8=216×4=347+(353-228)=468-223=2/7+3/7=428-98-124=203×4+405=2/8-1/8=136+13×3=841+648=719×9=262-43×3=369+(368-325)=195+110-211=963×(708-701)=457+493=910-(965-173)=329+132=912+381=753-492+874=87+325-333=110+274=370-222-129=473-187+35=187+(227-163)=446-178+213=120+243-42=389-(159+78)=480+270=454-(386-54)=74×7-17=38×(262-255)=4/10+2/10=952-90×5=493-65-260=22+(452-362)=372+154×4=346-(86-59)=492-94×2=894×4=738+795-118=453-292-55=376-96+344=961×2=900+504=419-139=97+389+200=79-63+470=444×2-301=468-129=137-16×5=333×(180-172)=137-64=303+98-317=261+102×6=193×3+134=268-103=867-399-29=460-205-104=100×4=93+362=791-23×7=322-(429-291)=427-21=463-99-21=151×3+210=584+161-173=545+458=676+625-225=541+380-484=1/4+3/4=2/5-1/5=839+519+589=86×8=244×(533-526)=499-(187+83)=836-241=582-(250-121)=731-(184+497)=609-240=29+399×2=505-(90+173)=36×(299-296)=462-47×5=270-216-23=53×9-120=603×(193-190)=26×6=709+253+572=123+67=246×3=3/4-1/4=218+42-242=540-(578-206)=349×7-581=232×(195-191)=830+(271-104)=121+(372-118)=924-455=77+296-189=69×(350-341)=27+341-130=436-(350-71)=117+98-94=421-120=652×(759-752)=254-12×2=48×7=314-113=908-297=5/6-1/6=950-44-600=998-389-458=423-149×2=39×4=771-(904-311)=357-(196-123)=92×2=708-453+445=308+356=22×7-62=539+(171-114)=163×2=145+286-110=81+187=984-98-147=262+296=302×3-313=542+497=359+(462-274)=351-54×2=887-(149+517)=480+696=813-778+37=484-21×8=33+392-137=68×(46-40)=94×(325-319)=443-134-191=529+618-282=198×3-120=364+106=124+19×8=562+944+536=180×9=317+96+719=911-(566-122)=403-131-30=477-376+173=128×7-690=592+933=706+567+666=238-163=309-195=724-322×2=268+153-236=376×7-866=4/7-2/7=789-67×8=154-89-11=284-(198+77)=492×(197-194)=187-126-29=149×6-217=200+288-269=206+(754-446)=140+269=296-53=904+56×5=354+(323-180)=445-37×9=856×(781-776)=425-(323-200)=162+189-331=867×9-942=280+547+472=468+(908-675)=920-284×3=500-337+189=859×(942-936)=342+171+160=492×3-58=552-(985-975)=647×8-195=459-84×4=609-480+63=29+225×4=815+967-67=683-(745-436)=30+327-184=291+162-70=29×4+848=455-105=843-(331+363)=838+(341-138)=668-(219+443)=32+(465-143)=675-164-164=106+120=263-52=461-439+275=45×3+725=520-(58+164)=832-49×8=394-375=876+522=601-(528-491)=428-(306+66)=81+185+625=865-116-674=625×9-104=563+90+48=591-421-37=381+(383-323)=990-(651+165)=500-17-140=480+510=940-(618+156)=362-305=449-48×9=59×8=306-(93+70)=133×3+481=614+972+171=6/8-1/8=117-21+88=497+387+342=1/5+2/5=129×3+205=146×2=468-330+358=278×3-52=447-(91+102)=480+368-755=41×(639-636)=343×(166-157)=952-(981-236)=30+857-416=790-609+984=405-208-79=306-18+174=290-20=463-61=244-(393-153)=506×8=285-192=324+(146-61)=192×5-300=262+179-252=223+(296-13)=606+244×3=133+317-381=488-(88+369)=156+203=779-63-301=876-(359+324)=293+240+375=269+199+243=27×6+131=350-(355-160)=639×4-272=2/7-1/7=288-125=610-136=202-80-36=791+452×2=205+203+246=105×2=330-43=327-139=54×2=81+(421-56)=650×5-106=320×3-416=43+256=144+771+14=469-61×3=348-12×4=146×6=482×2-740=524-270=948-(684-312)=300+(434-167)=580-179-212=68+326=474-194+147=390-35-243=75+112=944×5=30×2-43=339+321=參考答案517×3=1551710×2=1420200-(951-796)=45381+80=461232×4-857=71326-(235-156)=247183-(251-167)=99111×(375-368)=777287+936+557=1780427-(207-118)=338766-(394+193)=179471-(330+23)=118203×4+185=997864-98-759=7292×(464-458)=1752312×3-396=540386-16×4=32244×6+211=475121-31=90121+(319-275)=1652/8+4/8=6/858-56+158=160344+94-279=159591+332+41=964669-655+28=42193-150=43347+628=975960-80×2=800431+(880-827)=484333-168-35=130323×(37-28)=2907458-(76-25)=407551-253+613=91167×(48-39)=603193+128=321124×7-507=361721-(879-413)=255463×(337-334)=1389159×8=127251+182+117=35032×(557-550)=224275+160=435861-(248+513)=100112×4=448710+129+108=947176×5=88065×(263-257)=39024+182+852=1058623×2=1246563×9=5067265+180=445258+(230-136)=352357-(59+250)=48238+181-21=398200×6-214=986193×(367-362)=96535×(238-231)=245185-(459-330)=56189×(400-396)=756723×8-227=5557230-(135-68)=163172+199+597=968298-(118+54)=126456+(765-493)=728188×4+145=897241-44=197176×4+105=809468×2=936399+(485-132)=752284+172-321=135287+422+187=896507-164+276=619319-(89+211)=19372+(814-415)=771746-565=181982×7=6874368-(418-197)=147884-(71+425)=388521+66+89=676244+(300-233)=311142-(87-72)=12793+62×2=217817×9=735370×9-474=156344-92-186=66822-439+795=1178901-660+379=620160+103+98=361521+745-920=34652+26=78487×3-875=586447-255=192695+41×3=818379-92+53=340254×(975-971)=1016622-556=663/6-1/6=2/6495×(148-142)=2970430-159-92=179161-(13+131)=17237-(87-41)=191276-57-37=182103+432+416=951324+117×5=909328-13×4=276375-113+223=485468-(20+49)=399156-22×3=90190+119=3093/5-1/5=2/5367-240=127810-214=596458×(427-424)=1374339+74=41382-18=64523-(670-399)=252853-628+803=1028344-(474-440)=310791-176-569=46934+474-60=1348327-(209-73)=191385-(82+302)=1180-174+302=308577-107=47021×2+242=28469×(418-410)=552484-399+316=401672+167×2=1006103-(16+16)=71589+(785-601)=773186×3-225=333857-651=206227×3=681930-(40+674)=216103×9-482=445545+273+843=1661180+(379-265)=294207-40×2=127232-(42+117)=7325×(192-186)=1503/6-2/6=1/6764-586=178454-267-10=177374-226-51=97919-393+621=1147838-574-167=97997×9=8973708-299-316=93817-(343+92)=382226×3-206=472557-154=403875-(151+227)=497613-31×4=489158×2=316785-(276+349)=160145+246=391443-318+164=289962-122-639=201454×4-33=1783474+30×4=594278+311-96=493517+30+411=958128×4+206=718553×8=442477-(44+23)=101/8+2/8=3/8309+238=547484-117×4=16111+(853-100)=864497+(409-131)=775401+70-412=59307-50×6=7457×2=9142/7+4/7=6/7329-(480-167)=16333-(298-218)=253430-404+135=16159×7+80=493399-26×8=191625+195×2=1015485+(856-550)=791372-(233+124)=15145-(19+52)=74830-59×4=594333-301=32260+129=389899-591+489=797640-102=53810×6=60532+90-11=611324×8-134=2458943-(581+212)=150478+(504-34)=94845×5+24=249226+49+36=311466-(21+69)=376349-42+51=358126×3+416=794293+479×2=1251983-221×3=320400×2+62=862804-628+547=723241-26×8=33304-20+437=721405-177×2=51636-270×2=96290+155-266=179917-61-642=214315-261=54476-379=9752+10×9=142127×5=63536×6+110=326503-467=36271+(179-13)=437687-217+33=503455+265-367=353513-(338-221)=396335+(978-225)=108830+190×5=98099+216=315331-(345-199)=185750-(197+100)=453980-174×2=632170+(312-191)=291835×(549-542)=5845177+61-135=10317+68+26=111453+(497-105)=845613-(294+100)=219110+92-153=49379-71×4=9525×8+859=1059196+316-218=294666-19×9=495906+440+562=1908500+527+533=1560466+(709-456)=719426+(958-471)=913271+984+511=1766402×4-289=1319469-169+137=437944+(647-401)=1190852-203-457=192878+171×3=1391158+152=310496-(341-42)=197514-(946-869)=437295-21-157=117283-73+139=349997-101×2=795513×(200-194)=3078394-124=270471-34-324=113305-190=115678+115+147=94075×7-302=223858×6-21=5127189+270=459467-127-102=238812+477=1289353+168×2=6895/8+2/8=7/8650×(871-867)=2600913-280+354=98790×9=810207+203-253=157704-(730-245)=219667-(272+91)=30463+255-18=300195+263=458191×(137-134)=57369×5=34531×(471-463)=248343-(549-495)=28990×7-244=386151-118+175=208122×(145-138)=854448×9-569=3463379-(176+56)=147789-181×3=246408-(433-109)=84322-137×2=48813-(886-749)=676278×4-742=370829+29+879=1737459+(105-40)=524367+367=734777-157×2=463420-390+112=142962-(714-303)=55146-(311-265)=0278×3+160=994600-172×2=256192+722-637=277707+159+497=1363247+15-197=65760+(787-684)=863651+(967-668)=950818-(612+49)=157794-(316-285)=763473-81×3=230178×(263-259)=712440-(164+219)=57847-537=31057×3-153=18956-654-184=118238-166=72989-(271+247)=471595+328×3=1579869-(43+457)=369312+366+77=755707+101×2=909725-21-160=544225+143-316=52170×7-124=1066863-99×4=467239+448+384=1071317-261+288=344444+381+32=857499+(343-227)=615193+352+330=875275+151=426197-31+246=412419-(64+296)=59260+131=391193-(478-420)=135108+320=428259×2+15=533857+623+859=2339818-(125+241)=452722-77=645481-12=469435×(305-301)=1740998+821=1819161-142+440=459486-(317+122)=47195-10×3=165374-(206-102)=270108+465-39=534322+937+350=1609842-(742-347)=447672×(89-84)=3360258-(40+157)=61430-15×9=295690+624=1314557×9=5013424×6-54=2490210+684+296=119063+99×6=657200-(301-219)=118238×2+48=524480-(409-140)=211734+(672-389)=1017381+284+309=974519+841+662=2022838×6=502894×(398-395)=282452-44×4=276618-(366+176)=76259+(896-590)=565102+142+565=809258-(68+43)=147673+311-240=744288+134+855=1277440-22×8=26480+(197-190)=8739×7=273386×7=2702266-212-47=7342×(271-265)=2052408-99×4=12167+108×6=815716-295+183=604415-347+199=26775+100+745=920133×7=931216×7=1512621×9-242=5347818×9-49=7313423+212+665=1300274×3+281=1103332×3=996174-(32+95)=47176+62=238266+(380-206)=440224×3-314=358810-240-257=313120-22×4=32100×(15-10)=500773+(457-421)=809269-119=150391×2=782639-180×3=99959×(319-312)=6713156×4+753=1377598+471=1069830-177+870=1523375+265-242=398640-316-12=312359-97×3=6883×8-284=380971-285+14=700502+199×4=129870×(240-232)=560345-(377-305)=273934-(40+149)=745718×7=5026152-46×3=14580-497+245=32853+14×2=81248+175-138=285298-37×4=150432-(944-635)=123689+(910-321)=1278425-(484-179)=120265+716-303=678922-921+320=321240+147=387101×(179-174)=505778×8-716=550858+11×3=91243+29-93=179693-124×5=73869×9-723=7098434+763-68=112927+(368-245)=150409-141=26845×(151-145)=270851+485-782=55418-(403-393)=8298-63=235910-539-172=199514-17+473=970917-(628+270)=19524×6-29=3115299+37×7=558482-207+848=1123336+972+473=1781225+240=465405+(915-692)=628130×(39-32)=910617-63×6=239491-15×5=416447×(747-742)=2235126×(18-11)=88218×(289-283)=108118×8-253=691836+229+429=1494477-(467-404)=414169×(133-130)=507259×4=1036330-(58+205)=67333+896+445=1674501×7-379=3128800-114-576=110377+(463-150)=690671×3-912=1101788-32-569=187157+187-132=21232×(338-330)=256320+217+79=616357+(419-267)=509424+475+27=926556-(644-497)=409145-142+164=167187+226-122=29171×6+91=517856-793+142=205310+343=6532/3-1/3=1/391+378-422=47488+(246-181)=55326+32+922=98036×2=72667-102-81=484243×8-659=1285130×7-355=555394-41+138=491633+503-104=1032427-(323+47)=5752×2+98=202440+(249-74)=615124×(301-294)=868863+437+669=1969967-321+630=1276228-16×8=100536+122=658399×(924-921)=11977/9+2/9=1260+38×4=412109×7-600=163500-(253+192)=55229+109=338292×2-52=532230×7=1610373×(820-814)=2238826+168-582=412160-(434-283)=9384+(191-121)=454699+480-854=325134×5+22=69222×4=88557-323=234364-(219+81)=64156+474=630334×6-789=1215479-154-288=3770×(321-313)=5603/6+2/6=5/6408+143=551238-49+278=467326-(174-49)=20168+25+309=40250+917-263=704912-281-424=2075/9-3/9=2/9482-343-10=129243-87-143=1382×(122-119)=246985-86×2=813959-125-525=309400+(345-210)=53510×9=90674-306-59=309480-135-305=40940×(826-820)=5640111+89=200854-631=223206+655+173=1034262-(214+12)=36312+145+314=77178×3-65=169429×2+863=17211/3+2/3=188×3=264931×3=2793188-(42+58)=88387×2-87=68720+168×3=524887-234×3=185835+148-927=56153×4=612972-626+980=1326334+59=393815-(996-708)=527327-129×2=69162+(965-616)=511487-297=190224×3+272=944491-376-73=42264+86=350471-258+197=41061+526+189=776264×2=528935-465=470334×6-406=1598792-463-263=661/9+5/9=6/9381-187-104=90449+347-202=594277-125=152772+(333-133)=972728-284=444360+(452-146)=66667-56+338=349663+(967-837)=793442×4=1768635-(188-96)=543718-43+394=1069885×3=2655346-12-125=209468×(77-69)=3744859×8=6872216×4=864347+(353-228)=472468-223=2452/7+3/7=5/7428-98-124=206203×4+405=12172/8-1/8=1/8136+13×3=175841+648=1489719×9=6471262-43×3=133369+(368-325)=412195+110-211=94963×(708-701)=6741457+493=950910-(965-173)=118329+132=461912+381=1293753-492+874=113587+325-333=79110+274=384370-222-129=19473-187+35=321187+(227-163)=251446-178+213=481120+243-42=321389-(159+78)=152480+270=750454-(386-54)=12274×7-17=50138×(262-255)=2664/10+2/10=6/10952-90×5=502493-65-260=16822+(452-362)=112372+154×4=988346-(86-59)=319492-94×2=304894×4=3576738+795-118=1415453-292-55=106376-96+344=624961×2=1922900+504=1404419-139=28097+389+200=68679-63+470=486444×2-301=587468-129=339137-16×5=57333×(180-172)=2664137-64=73303+98-317=84261+102×6=873193×3+134=713268-103=165867-399-29=439460-205-104=151100×4=40093+362=455791-23×7=630322-(429-291)=184427-21=406463-99-21=343151×3+210=663584+161-173=572545+458=1003676+625-225=1076541+380-484=4371/4+3/4=12/5-1/5=1/5839+519+589=194786×8=688244×(533-526)=1708499-(187+83)=229836-241=595582-(250-121)=453731-(184+497)=50609-240=36929+399×2=827505-(90+173)=24236×(299-296)=108462-47×5=227270-216-23=3153×9-120=357603×(193-190)=180926×6=156709+253+572=1534123+67=190246×3=7383/4-1/4=2/4218+42-242=18540-(578-206)=168349×7-581=1862232×(195-191)=928830+(271-104)=997121+(372-118)=375924-455=46977+296-189=18469×(350-341)=62127+341-130=238436-(350-71)=157117+98-94=121421-120=301652×(759-752)=4564254-12×2=23048×7=336314-113=201908-297=6115/6-1/6=4/6950-44-600=306998-389-458=151423-149×2=12539×4=156771-(904-311)=178357-(196-123)=28492×2=184708-453+445=700308+356=66422×7-62=92539+(171-114)=596163×2=326145+286-110=32181+187=268984-98-147=739262+296=558302×3-313=593542+497=1039359+(462-274)=547351-54×2=243887-(149+517)=221480+696=1176813-778+37=72484-21×8=31633+392-137=28868×(