三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案

三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案263+173=361+674=198+167=369+421=125+243=243+282=73+362=567+450=139+330=313+313=240+151=746+789=183+154=756+145=20+112=49+145=67+277=406+756=220+139=266+838=304+186=268+147=164+302=890+621=62+13=76+408=240+218=235+281=328+169=115+529=130+282=871+544=61+154=529+248=122+335=651+276=130+360=284+277=60+156=299+312=238+76=107+591=295+147=438+175=243+84=98+543=213+93=292+470=156+127=979+390=114+167=141+537=163+48=72+80=213+240=218+331=60+337=189+61=191+56=241+644=404-57=868-643=270-10=728-430=457-287=590-427=371-299=865-434=177-116=585-349=367-126=921-447=237-41=891-470=354-322=85-42=438-292=799-354=105-93=210-164=132-56=827-375=242-229=902-158=197-112=840-282=361-33=711-180=371-27=960-52=280-58=931-912=175-59=971-924=448-437=969-22=349-153=595-94=500-272=923-274=314-219=843-493=266-21=694-220=187-92=459-205=357-46=471-368=297-127=507-331=420-309=592-188=279-115=355-125=372-331=928-465=454-418=447-167=243-213=817-373=208×4=477×3=163×5=206×5=249×4=929×2=25×5=312×9=216×2=831×3=203×2=538×5=39×5=539×6=42×7=597×4=85×8=821×2=198×5=101×6=192×4=209×6=15×3=726×3=26×5=555×3=79×9=759×7=75×7=577×9=10×4=487×7=40×7=418×7=35×5=90×7=10×5=444×4=239×4=859×9=61×6=962×5=286×2=383×5=25×7=734×3=210×4=469×2=21×2=253×6=152×3=296×3=160×3=274×7=72×2=536×6=122×7=809×3=154×6=479×3=531+330+66=132+745+151=197+339+248=60+226+817=86+369+81=243+284+225=270+73+609=874+212+979=141+119+433=453+988+210=484+172+222=760+991+133=111+33+254=616+546+904=389+308+151=181+503+906=290+58+22=891+520+391=100+202+253=629+809+932=181+673+26=636+971+721=142+697+77=534+617+620=124+208+538=761+114+361=115+609+131=738+747+107=42+730+118=160+512+44=214+46+417=58+881+684=55+58+57=629+544+385=185+18+613=544+116+366=136+513+215=746+620+459=401+260+22=571+394+152=277+54+298=390+690+801=538+65+128=646+657+779=71+758+52=813+922+437=37+57+415=30+591+473=47+165+150=508+844+908=197+332+469=262+402+326=86+247+478=467+97+451=488+84+401=623+133+397=567+124+187=675+745+42=632+204+145=881+974+211=60+361-310=443+896-130=313+91-283=771+832-634=117+24-137=489+813-958=353+55-97=300+812-185=362+115-67=986+55-857=120+277-284=421+274-88=326+52-48=989+553-888=277+137-359=701+727-473=340+96-52=469+606-302=369+93-153=329+882-267=122+44-150=963+424-301=302+50-347=927+576-873=93+252-260=899+215-508=459+11-324=136+836-602=50+372-126=987+908-537=331+115-445=927+293-324=343+111-36=995+535-44=404+88-218=254+486-91=90+283-178=277+935-953=56+413-355=348+423-562=140+316-344=247+928-939=69+403-303=447+721-533=92+92-56=650+138-491=183+91-142=218+739-619=47+355-50=964+627-561=113+293-306=220+232-176=146+312-172=563+771-588=332+30-84=529+585-147=258+147-15=945+734-473=277+181-410=39+757-127=398-137-144=897-384-239=268-42-47=891-258-84=428-112-48=952-527-118=219-36-38=941-177-752=419-37-61=891-500-10=445-382-16=426-323-83=426-48-338=647-176-439=371-32-235=332-195-39=383-50-291=906-207-35=304-262-37=700-87-173=397-183-54=449-25-215=302-106-136=565-122-202=303-92-16=963-245-302=497-126-194=942-589-150=263-207-46=761-374-186=323-10-74=831-185-600=380-222-89=977-824-111=350-23-315=908-715-104=497-133-354=844-134-666=343-284-18=494-253-148=295-105-112=491-296-136=480-128-295=801-273-84=236-150-85=867-97-393=485-160-289=900-215-623=495-89-32=330-178-58=183-68-26=805-503-189=418-45-55=832-721-24=483-22-49=853-150-55=442-37-134=837-226-135=488-198-114=951-659-133=200-15+253=670-658+220=66-39+193=400-377+969=328-207+38=801-279+805=311-151+210=728-70+519=185-145+169=383-238+447=336-269+112=672-128+203=348-35+52=234-80+642=395-266+329=330-124+371=227-190+365=585-213+154=380-47+16=519-77+649=416-60+106=812-742+598=293-189+274=765-564+816=383-123+173=955-174+490=417-250+166=905-560+570=223-118+106=615-588+65=347-293+19=703-252+87=462-436+460=364-337+615=490-420+99=738-160+59=220-111+107=541-194+192=317-209+138=680-414+904=339-260+151=842-525+238=323-48+140=537-127+633=303-239+397=720-60+900=277-135+54=643-28+193=171-40+321=560-416+775=70-49+260=829-536+851=497-433+145=787-565+385=300-145+202=775-39+145=317-225+362=721-59+939=160-26+214=488-93+196=296+(475-261)=916+(435-421)=294+(469-401)=358+(554-394)=435+(280-225)=393+(697-25)=430+(166-11)=896+(492-379)=350+(475-457)=630+(345-42)=311+(401-19)=744+(651-77)=112+(23-22)=299+(618-75)=265+(374-118)=313+(894-65)=30+(491-35)=632+(895-90)=127+(341-295)=952+(529-264)=187+(365-35)=766+(386-100)=132+(339-325)=398+(497-91)=91+(455-218)=691+(746-679)=469+(72-52)=492+(774-628)=56+(153-96)=138+(882-236)=312+(438-316)=509+(669-606)=288+(471-285)=16+(460-408)=350+(341-319)=546+(856-852)=270+(484-169)=929+(830-11)=405+(404-135)=507+(903-459)=74+(279-168)=433+(853-232)=432+(479-256)=658+(195-66)=13+(381-146)=549+(342-190)=237+(173-133)=31+(856-310)=463+(374-10)=950+(903-631)=211+(208-132)=721+(797-664)=58+(393-369)=713+(732-613)=246+(149-120)=237+(595-195)=135+(491-260)=380+(812-226)=237+(358-300)=940+(673-620)=384-(22+261)=836-(191+488)=384-(122+70)=796-(325+235)=260-(148+96)=999-(30+604)=481-(82+50)=520-(21+435)=417-(273+13)=862-(74+383)=227-(19+39)=318-(107+93)=494-(242+143)=917-(51+503)=457-(274+124)=337-(87+51)=422-(94+158)=997-(756+175)=425-(86+173)=902-(701+57)=302-(44+249)=905-(422+138)=402-(175+110)=761-(68+43)=462-(153+199)=933-(374+142)=437-(78+335)=668-(249+202)=411-(66+211)=608-(328+70)=188-(120+29)=409-(221+49)=196-(79+34)=903-(711+189)=346-(77+92)=938-(725+86)=485-(44+13)=728-(30+534)=307-(33+168)=967-(289+360)=444-(121+36)=696-(23+562)=320-(91+65)=682-(325+39)=389-(198+116)=951-(86+184)=495-(21+366)=831-(514+201)=365-(23+221)=937-(605+247)=385-(138+43)=484-(160+212)=478-(68+87)=113-(29+41)=340-(26+175)=880-(111+198)=323-(133+103)=214-(53+149)=336-(31+67)=941-(662+101)=454-(465-152)=960-(929-624)=353-(328-75)=635-(646-411)=284-(365-269)=884-(874-288)=272-(59-38)=416-(546-536)=356-(310-134)=160-(879-828)=483-(47-10)=846-(812-749)=469-(185-100)=686-(466-112)=228-(147-121)=750-(888-635)=317-(223-189)=108-(435-327)=267-(358-207)=852-(698-340)=464-(421-275)=725-(738-539)=493-(449-407)=607-(830-229)=241-(310-174)=337-(207-10)=100-(474-407)=437-(554-400)=382-(244-198)=816-(760-664)=355-(434-289)=308-(639-452)=221-(465-246)=613-(606-150)=154-(493-443)=916-(243-241)=252-(355-259)=447-(809-387)=165-(191-70)=210-(981-871)=403-(339-326)=974-(455-372)=132-(475-402)=614-(306-92)=478-(471-120)=945-(967-745)=413-(299-58)=472-(495-396)=320-(75-56)=332-(280-65)=452-(380-227)=390-(681-345)=320-(198-96)=974-(871-135)=256-(357-343)=469-(343-72)=175-(146-120)=415-(511-151)=475-(498-88)=949-(727-490)=310+82×3=756+324×3=14+38×6=617+50×3=60+164×3=734+46×2=55+74×3=974+297×2=85+42×4=81+68×7=167+50×9=176+37×7=366+78×3=928+54×4=449+44×3=474+99×6=456+162×2=177+79×2=318+64×6=431+150×2=174+29×9=848+67×5=264+74×2=714+405×2=83+342×2=983+424×2=233+268×2=479+188×5=164+51×5=838+356×2=221×3+129=359×2+561=260×3+99=47×5+824=16×7+500=274×2+156=116×4+208=97×7+450=98×7+296=331×3+545=289×3+21=271×3+138=23×5+115=230×3+197=409×2+86=190×5+754=35×9+195=42×3+413=43×5+453=39×8+370=235×3+112=26×5+329=63×8+220=240×2+463=37×6+343=488×2+715=100×3+464=61×6+450=58×2+257=207×2+779=182-27×3=415-41×7=348-55×4=840-270×3=301-31×6=981-276×2=465-187×2=889-32×6=394-12×4=830-79×7=266-26×2=568-85×4=382-27×5=815-111×3=310-65×3=594-31×4=397-46×6=828-247×3=426-94×4=708-42×5=485-33×9=774-194×2=451-45×8=237-14×6=426-32×7=293-31×8=321-44×6=860-326×2=54-12×2=692-247×2=464-13×8=866-129×2=249-75×2=739-10×5=438-28×7=813-263×3=481-23×9=714-89×4=493-38×7=899-269×3=262-31×2=622-35×9=283-33×7=557-49×2=144-15×2=840-212×3=247-21×3=601-61×2=396-141×2=895-70×9=496-202×2=629-181×3=363-33×7=456-61×2=270-116×2=598-37×2=436-18×8=473-108×4=218-108×2=360-42×5=393×2-429=103×9-847=148×3-275=546×5-954=156×5-12=850×7-206=107×5-161=903×8-290=130×4-154=560×7-562=250×3-465=561×3-372=124×4-373=365×3-401=369×2-400=393×2-42=149×4-367=147×6-98=447×2-484=745×3-413=215×2-11=670×3-743=249×3-433=67×5-271=142×4-443=672×4-317=104×6-588=213×8-643=165×6-129=547×6-879=190×4-43=473×9-799=56×5-88=598×6-647=373×2-192=404×2-182=407×2-696=483×3-957=266×2-16=416×3-116=257×3-557=175×8-218=275×2-173=666×7-63=292×3-159=468×7-81=482×2-788=348×6-329=33×6-159=480×3-819=78×7-343=242×3-597=128×2-184=75×5-238=97×8-715=600×6-382=148×6-353=862×6-698=123×5-140=282×2-234=112×(282-277)=52×(326-323)=100×(428-425)=801×(551-546)=97×(47-43)=626×(356-353)=78×(287-282)=411×(784-781)=211×(32-28)=106×(29-24)=88×(338-333)=161×(633-628)=58×(52-44)=643×(237-232)=170×(47-44)=29×(622-614)=30×(151-143)=202×(942-934)=47×(225-222)=194×(144-137)=213×(103-99)=532×(823-818)=136×(57-52)=644×(229-225)=36×(202-195)=142×(132-124)=45×(49-42)=433×(54-50)=125×(478-473)=847×(237-229)=25×(269-265)=111×(602-594)=170×(200-195)=884×(676-668)=100×(364-360)=555×(336-331)=116×(292-287)=23×(799-790)=151×(461-457)=439×(517-510)=68×(105-98)=249×(209-205)=163×(66-63)=705×(423-420)=85×(470-466)=915×(156-147)=103×(51-43)=213×(98-89)=156×(94-90)=87×(999-992)=105×(98-91)=335×(281-277)=129×(259-252)=32×(789-782)=68×(299-291)=278×(436-428)=148×(75-72)=76×(840-833)=80×(164-161)=622×(947-944)=1/5+3/5=5/9+2/9=1/7+5/7=4/9+2/9=4/8+3/8=4/6+2/6=2/7+3/7=1/6+4/6=1/5+2/5=2/10+3/10=1/7+4/7=1/3+2/3=3/6-2/6=4/9-3/9=2/7-1/7=2/4-1/4=5/7-1/7=3/5-1/5=4/7-2/7=3/5-2/5=3/7-1/7=3/8-1/8=4/8-1/8=2/3-1/3=參考答案263+173=436361+674=1035198+167=365369+421=790125+243=368243+282=52573+362=435567+450=1017139+330=469313+313=626240+151=391746+789=1535183+154=337756+145=90120+112=13249+145=19467+277=344406+756=1162220+139=359266+838=1104304+186=490268+147=415164+302=466890+621=151162+13=7576+408=484240+218=458235+281=516328+169=497115+529=644130+282=412871+544=141561+154=215529+248=777122+335=457651+276=927130+360=490284+277=56160+156=216299+312=611238+76=314107+591=698295+147=442438+175=613243+84=32798+543=641213+93=306292+470=762156+127=283979+390=1369114+167=281141+537=678163+48=21172+80=152213+240=453218+331=54960+337=397189+61=250191+56=247241+644=885404-57=347868-643=225270-10=260728-430=298457-287=170590-427=163371-299=72865-434=431177-116=61585-349=236367-126=241921-447=474237-41=196891-470=421354-322=3285-42=43438-292=146799-354=445105-93=12210-164=46132-56=76827-375=452242-229=13902-158=744197-112=85840-282=558361-33=328711-180=531371-27=344960-52=908280-58=222931-912=19175-59=116971-924=47448-437=11969-22=947349-153=196595-94=501500-272=228923-274=649314-219=95843-493=350266-21=245694-220=474187-92=95459-205=254357-46=311471-368=103297-127=170507-331=176420-309=111592-188=404279-115=164355-125=230372-331=41928-465=463454-418=36447-167=280243-213=30817-373=444208×4=832477×3=1431163×5=815206×5=1030249×4=996929×2=185825×5=125312×9=2808216×2=432831×3=2493203×2=406538×5=269039×5=195539×6=323442×7=294597×4=238885×8=680821×2=1642198×5=990101×6=606192×4=768209×6=125415×3=45726×3=217826×5=130555×3=166579×9=711759×7=531375×7=525577×9=519310×4=40487×7=340940×7=280418×7=292635×5=17590×7=63010×5=50444×4=1776239×4=956859×9=773161×6=366962×5=4810286×2=572383×5=191525×7=175734×3=2202210×4=840469×2=93821×2=42253×6=1518152×3=456296×3=888160×3=480274×7=191872×2=144536×6=3216122×7=854809×3=2427154×6=924479×3=1437531+330+66=927132+745+151=1028197+339+248=78460+226+817=110386+369+81=536243+284+225=752270+73+609=952874+212+979=2065141+119+433=693453+988+210=1651484+172+222=878760+991+133=1884111+33+254=398616+546+904=2066389+308+151=848181+503+906=1590290+58+22=370891+520+391=1802100+202+253=555629+809+932=2370181+673+26=880636+971+721=2328142+697+77=916534+617+620=1771124+208+538=870761+114+361=1236115+609+131=855738+747+107=159242+730+118=890160+512+44=716214+46+417=67758+881+684=162355+58+57=170629+544+385=1558185+18+613=816544+116+366=1026136+513+215=864746+620+459=1825401+260+22=683571+394+152=1117277+54+298=629390+690+801=1881538+65+128=731646+657+779=208271+758+52=881813+922+437=217237+57+415=50930+591+473=109447+165+150=362508+844+908=2260197+332+469=998262+402+326=99086+247+478=811467+97+451=1015488+84+401=973623+133+397=1153567+124+187=878675+745+42=1462632+204+145=981881+974+211=206660+361-310=111443+896-130=1209313+91-283=121771+832-634=969117+24-137=4489+813-958=344353+55-97=311300+812-185=927362+115-67=410986+55-857=184120+277-284=113421+274-88=607326+52-48=330989+553-888=654277+137-359=55701+727-473=955340+96-52=384469+606-302=773369+93-153=309329+882-267=944122+44-150=16963+424-301=1086302+50-347=5927+576-873=63093+252-260=85899+215-508=606459+11-324=146136+836-602=37050+372-126=296987+908-537=1358331+115-445=1927+293-324=896343+111-36=418995+535-44=1486404+88-218=274254+486-91=64990+283-178=195277+935-953=25956+413-355=114348+423-562=209140+316-344=112247+928-939=23669+403-303=169447+721-533=63592+92-56=128650+138-491=297183+91-142=132218+739-619=33847+355-50=352964+627-561=1030113+293-306=100220+232-176=276146+312-172=286563+771-588=746332+30-84=278529+585-147=967258+147-15=390945+734-473=1206277+181-410=4839+757-127=669398-137-144=117897-384-239=274268-42-47=179891-258-84=549428-112-48=268952-527-118=307219-36-38=145941-177-752=12419-37-61=321891-500-10=381445-382-16=47426-323-83=20426-48-338=40647-176-439=32371-32-235=104332-195-39=98383-50-291=42906-207-35=664304-262-37=5700-87-173=440397-183-54=160449-25-215=209302-106-136=60565-122-202=241303-92-16=195963-245-302=416497-126-194=177942-589-150=203263-207-46=10761-374-186=201323-10-74=239831-185-600=46380-222-89=69977-824-111=42350-23-315=12908-715-104=89497-133-354=10844-134-666=44343-284-18=41494-253-148=93295-105-112=78491-296-136=59480-128-295=57801-273-84=444236-150-85=1867-97-393=377485-160-289=36900-215-623=62495-89-32=374330-178-58=94183-68-26=89805-503-189=113418-45-55=318832-721-24=87483-22-49=412853-150-55=648442-37-134=271837-226-135=476488-198-114=176951-659-133=159200-15+253=438670-658+220=23266-39+193=220400-377+969=992328-207+38=159801-279+805=1327311-151+210=370728-70+519=1177185-145+169=209383-238+447=592336-269+112=179672-128+203=747348-35+52=365234-80+642=796395-266+329=458330-124+371=577227-190+365=402585-213+154=526380-47+16=349519-77+649=1091416-60+106=462812-742+598=668293-189+274=378765-564+816=1017383-123+173=433955-174+490=1271417-250+166=333905-560+570=915223-118+106=211615-588+65=92347-293+19=73703-252+87=538462-436+460=486364-337+615=642490-420+99=169738-160+59=637220-111+107=216541-194+192=539317-209+138=246680-414+904=1170339-260+151=230842-525+238=555323-48+140=415537-127+633=1043303-239+397=461720-60+900=1560277-135+54=196643-28+193=808171-40+321=452560-416+775=91970-49+260=281829-536+851=1144497-433+145=209787-565+385=607300-145+202=357775-39+145=881317-225+362=454721-59+939=1601160-26+214=348488-93+196=591296+(475-261)=510916+(435-421)=930294+(469-401)=362358+(554-394)=518435+(280-225)=490393+(697-25)=1065430+(166-11)=585896+(492-379)=1009350+(475-457)=368630+(345-42)=933311+(401-19)=693744+(651-77)=1318112+(23-22)=113299+(618-75)=842265+(374-118)=521313+(894-65)=114230+(491-35)=486632+(895-90)=1437127+(341-295)=173952+(529-264)=1217187+(365-35)=517766+(386-100)=1052132+(339-325)=146398+(497-91)=80491+(455-218)=328691+(746-679)=758469+(72-52)=489492+(774-628)=63856+(153-96)=113138+(882-236)=784312+(438-316)=434509+(669-606)=572288+(471-285)=47416+(460-408)=68350+(341-319)=372546+(856-852)=550270+(484-169)=585929+(830-11)=1748405+(404-135)=674507+(903-459)=95174+(279-168)=185433+(853-232)=1054432+(479-256)=655658+(195-66)=78713+(381-146)=248549+(342-190)=701237+(173-133)=27731+(856-310)=577463+(374-10)=827950+(903-631)=1222211+(208-132)=287721+(797-664)=85458+(393-369)=82713+(732-613)=832246+(149-120)=275237+(595-195)=637135+(491-260)=366380+(812-226)=966237+(358-300)=295940+(673-620)=993384-(22+261)=101836-(191+488)=157384-(122+70)=192796-(325+235)=236260-(148+96)=16999-(30+604)=365481-(82+50)=349520-(21+435)=64417-(273+13)=131862-(74+383)=405227-(19+39)=169318-(107+93)=118494-(242+143)=109917-(51+503)=363457-(274+124)=59337-(87+51)=199422-(94+158)=170997-(756+175)=66425-(86+173)=166902-(701+57)=144302-(44+249)=9905-(422+138)=345402-(175+110)=117761-(68+43)=650462-(153+199)=110933-(374+142)=417437-(78+335)=24668-(249+202)=217411-(66+211)=134608-(328+70)=210188-(120+29)=39409-(221+49)=139196-(79+34)=83903-(711+189)=3346-(77+92)=177938-(725+86)=127485-(44+13)=428728-(30+534)=164307-(33+168)=106967-(289+360)=318444-(121+36)=287696-(23+562)=111320-(91+65)=164682-(325+39)=318389-(198+116)=75951-(86+184)=681495-(21+366)=108831-(514+201)=116365-(23+221)=121937-(605+247)=85385-(138+43)=204484-(160+212)=112478-(68+87)=323113-(29+41)=43340-(26+175)=139880-(111+198)=571323-(133+103)=87214-(53+149)=12336-(31+67)=238941-(662+101)=178454-(465-152)=141960-(929-624)=655353-(328-75)=100635-(646-411)=400284-(365-269)=188884-(874-288)=298272-(59-38)=251416-(546-536)=406356-(310-134)=180160-(879-828)=109483-(47-10)=446846-(812-749)=783469-(185-100)=384686-(466-112)=332228-(147-121)=202750-(888-635)=497317-(223-189)=283108-(435-327)=0267-(358-207)=116852-(698-340)=494464-(421-275)=318725-(738-539)=526493-(449-407)=451607-(830-229)=6241-(310-174)=105337-(207-10)=140100-(474-407)=33437-(554-400)=283382-(244-198)=336816-(760-664)=720355-(434-289)=210308-(639-452)=121221-(465-246)=2613-(606-150)=157154-(493-443)=104916-(243-241)=914252-(355-259)=156447-(809-387)=25165-(191-70)=44210-(981-871)=100403-(339-326)=390974-(455-372)=891132-(475-402)=59614-(306-92)=400478-(471-120)=127945-(967-745)=723413-(299-58)=172472-(495-396)=373320-(75-56)=301332-(280-65)=117452-(380-227)=299390-(681-345)=54320-(198-96)=218974-(871-135)=238256-(357-343)=242469-(343-72)=198175-(146-120)=149415-(511-151)=55475-(498-88)=65949-(727-490)=712310+82×3=556756+324×3=172814+38×6=242617+50×3=76760+164×3=552734+46×2=82655+74×3=277974+297×2=156885+42×4=25381+68×7=557167+50×9=617176+37×7=435366+78×3=600928+54×4=1144449+44×3=581474+99×6=1068456+162×2=780177+79×2=335318+64×6=702431+150×2=731174+29×9=435848+67×5=1183264+74×2=412714+405×2=152483+342×2=767983+424×2=1831233+268×2=769479+188×5=1419164+51×5=419838+356×2=1550221×3+129=792359×2+561=1279260×3+99=87947×5+824=105916×7+500=612274×2+156=704116×4+208=67297×7+450=112998×7+296=982331×3+545=1538289×3+21=888271×3+138=95123×5+115=230230×3+197=887409×2+86=904190×5+754=170435×9+195=51042×3+413=53943×5+453=66839×8+370=682235×3+112=81726×5+329=45963×8+220=724240×2+463=94337×6+343=565488×2+715=1691100×3+464=76461×6+450=81658×2+257=373207×2+779=1193182-27×3=101415-41×7=128348-55×4=128840-270×3=30301-31×6=115981-276×2=429465-187×2=91889-32×6=697394-12×4=346830-79×7=277266-26×2=214568-85×4=228382-27×5=247815-111×3=482310-65×3=115594-31×4=470397-46×6=121828-247×3=87426-94×4=50708-42×5=498485-33×9=188774-194×2=386451-45×8=91237-14×6=153426-32×7=202293-31×8=45321-44×6=57860-326×2=20854-12×2=30692-247×2=198464-13×8=360866-129×2=608249-75×2=99739-10×5=689438-28×7=242813-263×3=24481-23×9=274714-89×4=358493-38×7=227899-269×3=92262-31×2=200622-35×9=307283-33×7=52557-49×2=459144-15×2=114840-212×3=204247-21×3=184601-61×2=479396-141×2=114895-70×9=265496-202×2=92629-181×3=86363-33×7=132456-61×2=334270-116×2=38598-