三年级数学(上)计算题专项练习附答案集锦

三年级数学(上)计算题专项练习附答案集锦166+247-222=234×2-156=246+157-243=314-52×4=472+200+219=278×(813-805)=123×6-146=237-52×2=482-140-88=262×2+365=240-19×9=609-305+713=210-(90-80)=110+195=776+(613-437)=370-(388-191)=282×(990-987)=44×5=227-(179-139)=578×(850-847)=174-59+197=452-(359-120)=412-10-336=684+758=813-38-505=981×(347-338)=402+82=118-(283-186)=807-(169+96)=660+526-288=181+534+22=340-(329-87)=523-169+420=245+241-311=1/7+5/7=776-90-621=340-97=969×4=888-(892-458)=41×4=853-355-126=474-(172+199)=169×5=494-437=489×2-759=717+667-607=425×3-732=232-112+192=445×7=81×9=594-(862-704)=62×(137-132)=217-(329-122)=122+520=962-810=148+90+637=3/8+4/8=56×(261-255)=368-192-163=815-657+896=355+216=259+141=262-179=321-(18+10)=16×(174-170)=791+249-519=781-269×2=358-(94+204)=875+256+532=43×3+53=50×(302-299)=359-(235+47)=898-698-54=840-53+597=557-(503-121)=260-228=234×2+250=360-192-155=252×2-329=834-(242+576)=379+641-79=997-861+354=292-40×4=319+667=208+539+68=385-172+145=3/6-1/6=704+(791-333)=556+278+363=87-35×2=594+204=359-(161+16)=148×(986-981)=219×2+227=365-173+58=234+105=392-66=35+490+205=261+(392-372)=662-25×4=164+246=172+84+484=959-70-266=109×7-695=579+395=940-81×4=380-171+258=82×5-384=215×2=785-325=365×2-470=61-55+174=99×2+607=190×8=276+54=419+323+109=144+353-267=157×3+406=12×(157-154)=320-17-241=956-172=434-38-305=2/4-1/4=315×2-39=348+85=199-25×7=83+(326-96)=950-68=435-227+79=448-156=629×(467-464)=933-349=254+(662-612)=48+269-21=182×5-786=531+43+72=140×2-151=117+569=224-194+317=615-(835-307)=241+96=37×4+432=81×(211-206)=152×6=439+370×2=993-292×3=336×7-94=274-42×6=123×7-339=713+903+58=372+(185-184)=955-813+23=305-242-44=366×3-702=748+(616-542)=452+(276-103)=402×5=509+278=71×8=94×9=832-(439+329)=486×2+113=932-307×2=376-236+21=214+(424-416)=696+861+103=259×4=148+836=338+123×2=276+47=336-310+41=532-197-155=841-83-405=1/9+3/9=822×4-38=587-270-192=66+285-177=399+428=6/9+2/9=133×7=160+55-198=872-(673-477)=342-(350-223)=383+(142-100)=432+(792-495)=286+427-425=234-61=562-137×2=773+432+92=311+804=845-746+489=367-78-43=396-333=106+482+69=83×(461-452)=477×(792-786)=479-122-312=253-174+96=396×9-803=950-(954-722)=281-(178-167)=591+594=81+91=111×8-138=138×3=602+769-899=261×8-578=222+662+361=87+473+391=643-(99+431)=586-29×8=693-51×6=78+411=367×3-229=608+234×3=941-582=51-10+451=677-(323+320)=577-237=952-191-688=330-50=380-(184-51)=60×5+65=44×(895-888)=465×2+26=706×4-65=4/6+2/6=401+67-354=188+94+301=426×3-459=288+26×2=81×(82-79)=367-25×4=829-124×5=959+227+562=482-27-214=443-47×2=547-201=94×4-164=309-(40+26)=414+(189-16)=378-150×2=198+219-334=354-28×3=56×2+485=713+194×3=940+42-883=21+176-103=228-(260-254)=161×2+253=123×2+691=903-114×7=740-555=206+(434-103)=461-14×5=38+69×9=613×(598-592)=233+(374-218)=435×2-651=423-71×2=678-455=590-151=120×(151-146)=400-219=30+440-240=894-134+434=138+25×4=892-(565+326)=434-142-94=849-620=28+225×4=317×2=458-356-63=249×4=397-109-117=107×9-545=265×(581-574)=852+(985-127)=405-(300-245)=51+(663-504)=330-(212-188)=708-506=422+598+425=64+33=226×4+744=956×(989-980)=692-340×2=705-(678-104)=458-(19+120)=146+349-83=350-(471-414)=947-(269+461)=138+150+437=429×2-347=124×(54-46)=148+59=365-(222+127)=300-(70-33)=72×(137-130)=827-(712-223)=915-(926-221)=729-318=546-(164+288)=32×7+428=992×(583-576)=617-270-241=339-168-75=676+74-279=4/7+2/7=287×(234-231)=69×7-131=337+(373-83)=29+767+45=343+109×5=489-235=224×4+868=266+201+215=310×2+19=304-27×2=266-(168+44)=789-138-222=418+104+60=980-320×2=21×(156-148)=384-37×9=207×3+30=912-190-207=935+57-256=393-95-239=292+620+417=467-262+130=12+376-329=302+(400-143)=295×3=80-20×2=175-(60+88)=290+199=899×8=20×4=65+601-589=21×4=114×4-129=396-48+775=244-94-43=214×4+47=831×6=97+247=287-259+344=969-589-24=393+112+298=76×(366-360)=381-133+200=50+665+620=366+207×2=638-49×8=325-30×4=835-87-170=74+692+140=263-(89-85)=998-356+866=694+44+176=88+(187-174)=49×(462-453)=322-81-51=457×2-239=114×4=236×2+420=85×5-137=482-(91+186)=219-30+398=482-106-310=425-269-21=569-115=121+174-275=493×6-921=200×(100-96)=399×4-796=225+(494-152)=4/6-1/6=752-308-295=436-346=116+325+49=403+77-415=128+92-76=876-522-141=218-30×5=993-(405+453)=106×3=320-(157-133)=196×9-628=601+985-132=405+131×3=584-411+706=499-343+304=743-(54+96)=410+292=949-354+223=622+(350-148)=280-(311-241)=403-(169+68)=89+146=175-(754-734)=42+151+320=222+85×6=244-56=346-25=466-463+66=468-456+219=260-229+27=495-115-312=218×7=755+(716-637)=343×3=495-203-182=226-36×2=242×2=3/8-1/8=232+426+260=681-93=262+61+301=265×3+883=34-20+473=47×8=26+117=602-(92+372)=128+472=232×(122-113)=254-176=578+973-795=909×(810-805)=424+204=630×3-215=449-26×3=615+756-891=137+(415-244)=318-313+174=104×(120-117)=792+749=10×(467-462)=200+(327-134)=193-46+80=86-28+94=497-365-82=325×3-399=791+(731-400)=89+885-160=249+(348-47)=160-(376-254)=387+(478-442)=509×7=649-231+11=945-93+761=913-(569+279)=60×(474-470)=640-295×2=83+199-252=161×7=369-102×2=927-(610+203)=336+381=241+299+350=896×9-837=700-137=98-(237-159)=241-111=484+12×7=396-(256+42)=5/8+2/8=3/8-2/8=923-322=322-70=296×(824-819)=628+262-858=401+270+183=479+479=770-(590-538)=954-811-61=751-625+393=840-(97+721)=93+271=288-(356-210)=94+(686-570)=490-(27+410)=174-13×2=443-(138+284)=572-(344+180)=629-(850-662)=198×4-128=42×9=681×9=428-65×3=229+118+392=145×(383-380)=978+912+10=241+151+772=915-103×4=495+(377-268)=69+368+867=416+(398-170)=436-129-70=443-(292-161)=359+933-401=559-(363+31)=249+(485-228)=69+94+664=251-64+181=620-245-52=139-10-20=478-234=371-33=247×(219-215)=765×2-640=983-320×2=86-(395-372)=367×2+190=511-445+775=233-90=701+178-376=452-(340+34)=442+434+74=427+481+306=775+869+171=381+(968-51)=155×5+211=459-98-151=178×(145-140)=260×(461-452)=236×3=904-87+751=642×(172-166)=738+423-778=850+144=174+188=25×2+422=493+752-130=485-(298+58)=46×9+408=595×(525-519)=430-324+51=67+56+525=135+857-311=318+435+66=492+(217-33)=149-15-59=376×2=1/5+2/5=889-385-237=4/8-1/8=302+183×3=222×3=151×6-314=348-256=139+212-150=19+219+472=121×9=217×3=387-(311+71)=889-(479-252)=198×(135-131)=131×7-878=301-(261+21)=453-166-255=102×9-278=207×(437-433)=679+(766-171)=211×(188-185)=147×4-38=812-118=490-213=140+(191-130)=429-84-144=21×(85-76)=296+99-310=204-(484-347)=500-(158+323)=414+(338-335)=233+449+67=216×6=262×6-648=944×(755-746)=216+201-254=478×8=3/8+5/8=42×2=251+722-302=319-(246-101)=3/7-2/7=212+119=436-(192+191)=4/7-2/7=167+(268-228)=48+185=452×2=362-(423-77)=987+541-928=860-(226+475)=122-18=356+69×4=777-61×2=317+207×2=658-(498+29)=270×4-771=383-186=664×(459-450)=102×2=332-(102+184)=413-(543-364)=421-99-101=412-(175-144)=758-(979-295)=402-77×3=194+97=747-551+384=97×5-363=750×(604-596)=696+(931-206)=428-62+97=296-156=733×9-367=914+569-975=283+(64-58)=296+(396-19)=743-407+217=611×4=466-(98+71)=243-(118+81)=312-(206-40)=759-350-270=427-(31+308)=615+(774-91)=860×(177-170)=21×7=293×2=95+365=95+82=318×2+241=688-(923-603)=205+209=154+324+132=599-(190+95)=43+(94-91)=899-286×2=238×(843-834)=144+338-426=592-138×3=958+896+565=895-204×4=26+127+200=222+251=132×2=831+(398-379)=294-(256-178)=816+(833-346)=551-75×2=175+233=173+113-108=962-(371+323)=431-48×6=966-198-573=977×2=404-105+289=269+188=178-(259-158)=79×(428-422)=837×2=221+(419-61)=282-33×4=313×3+43=215+52×5=5/8-2/8=63×(44-38)=186-51×3=475-(69+195)=850-(585-318)=133+214-278=475+(429-286)=227+45=661-180×3=106×8-665=290-(80+186)=401×6-979=56+820-446=244×(276-273)=316-117-66=88×(306-298)=176-(193-91)=341+304×2=114+296-105=183-105+318=448+918-887=293+115=915-101×8=813+106-758=958-565-266=382-77=117×7-81=385-(331-177)=945-108+779=387-193=458-112=994-83×2=475-(302-108)=144+53×9=491-306+697=268-239=129-117=155×3+292=728×5-833=335-155+269=294-189=280-98×2=173×(24-20)=125+995-378=648+55+108=487+957+88=116+284=463+(355-89)=188+278=302×3-662=177-(409-327)=840+159×2=912+(959-390)=156×5=341+(446-22)=58×4+477=298-125×2=82×(273-268)=150+957+657=241+45×2=255×2-102=833-414+178=466-39=40+(440-68)=128+157+594=584-(110+419)=5/8+3/8=56×4=260+101-216=424+43×6=974-58-607=72×(280-275)=143-37+130=139-14×3=233+196+77=11+469-184=397×2-666=583-(511-168)=448-(249-102)=558-164×2=951-252+684=97×3=882+649=622+347-741=976-(977-455)=78-(148-139)=796-778=215+198-162=443-225+230=247+574+127=25+489+274=61+144×3=450-145=660×5=465-240-159=65+294=717-(209+155)=713-(326+148)=984-(70+42)=432×2=67+(257-157)=393-346+891=504×8-470=201+26×7=1/4+2/4=103-38×2=24+132=987+685-684=296-(78+145)=707+87+918=398-(123+151)=55+183-182=365-236=577×4=71×9=486×2-377=432-127-106=220+100×8=306-(230+33)=437+59+406=354-352+161=315-251=334+89-306=374-(39+74)=34×4=714-(555-365)=69+150×2=118+(254-132)=939-(113+498)=786+172×3=367-11×6=356×4-619=120×7=237+94-193=7/9-1/9=257+148=403×(318-310)=46×7-133=370-(451-398)=561-(23+229)=355-(339-299)=672×(730-725)=284×3-243=885-205-110=451×2=429+(283-277)=955+(811-381)=291×(319-316)=833-613=299-52×3=480×2-524=655-203×3=20+120×3=246+79=508+(919-263)=92+20=407-197=401-(144+109)=345-27×5=834+431+581=238×3=190+934+595=167-(74+36)=730+(974-328)=636-(666-358)=87+271=160+597=5/7-1/7=1/7+2/7=142×4+397=4/7-1/7=466-41-292=84×3=584-448=481+(59-30)=238×4-396=315-150+60=292-(575-393)=182+80×2=921-(214+122)=295-159+268=218-160=877-94+85=273+154-288=740+(444-181)=323-247-70=304-51-130=155×5-394=425+(987-646)=907×(976-971)=450-181=417-100-274=918+(853-839)=196+84×9=202+349=参考答案166+247-222=191234×2-156=312246+157-243=160314-52×4=106472+200+219=891278×(813-805)=2224123×6-146=592237-52×2=133482-140-88=254262×2+365=889240-19×9=69609-305+713=1017210-(90-80)=200110+195=305776+(613-437)=952370-(388-191)=173282×(990-987)=84644×5=220227-(179-139)=187578×(850-847)=1734174-59+197=312452-(359-120)=213412-10-336=66684+758=1442813-38-505=270981×(347-338)=8829402+82=484118-(283-186)=21807-(169+96)=542660+526-288=898181+534+22=737340-(329-87)=98523-169+420=774245+241-311=1751/7+5/7=6/7776-90-621=65340-97=243969×4=3876888-(892-458)=45441×4=164853-355-126=372474-(172+199)=103169×5=845494-437=57489×2-759=219717+667-607=777425×3-732=543232-112+192=312445×7=311581×9=729594-(862-704)=43662×(137-132)=310217-(329-122)=10122+520=642962-810=152148+90+637=8753/8+4/8=7/856×(261-255)=336368-192-163=13815-657+896=1054355+216=571259+141=400262-179=83321-(18+10)=29316×(174-170)=64791+249-519=521781-269×2=243358-(94+204)=60875+256+532=166343×3+53=18250×(302-299)=150359-(235+47)=77898-698-54=146840-53+597=1384557-(503-121)=175260-228=32234×2+250=718360-192-155=13252×2-329=175834-(242+576)=16379+641-79=941997-861+354=490292-40×4=132319+667=986208+539+68=815385-172+145=3583/6-1/6=2/6704+(791-333)=1162556+278+363=119787-35×2=17594+204=798359-(161+16)=182148×(986-981)=740219×2+227=665365-173+58=250234+105=339392-66=32635+490+205=730261+(392-372)=281662-25×4=562164+246=410172+84+484=740959-70-266=623109×7-695=68579+395=974940-81×4=616380-171+258=46782×5-384=26215×2=430785-325=460365×2-470=26061-55+174=18099×2+607=805190×8=1520276+54=330419+323+109=851144+353-267=230157×3+406=87712×(157-154)=36320-17-241=62956-172=784434-38-305=912/4-1/4=1/4315×2-39=591348+85=433199-25×7=2483+(326-96)=313950-68=882435-227+79=287448-156=292629×(467-464)=1887933-349=584254+(662-612)=30448+269-21=296182×5-786=124531+43+72=646140×2-151=129117+569=686224-194+317=347615-(835-307)=87241+96=33737×4+432=58081×(211-206)=405152×6=912439+370×2=1179993-292×3=117336×7-94=2258274-42×6=22123×7-339=522713+903+58=1674372+(185-184)=373955-813+23=165305-242-44=19366×3-702=396748+(616-542)=822452+(276-103)=625402×5=2010509+278=78771×8=56894×9=846832-(439+329)=64486×2+113=1085932-307×2=318376-236+21=161214+(424-416)=222696+861+103=1660259×4=1036148+836=984338+123×2=584276+47=323336-310+41=67532-197-155=180841-83-405=3531/9+3/9=4/9822×4-38=3250587-270-192=12566+285-177=174399+428=8276/9+2/9=8/9133×7=931160+55-198=17872-(673-477)=676342-(350-223)=215383+(142-100)=425432+(792-495)=729286+427-425=288234-61=173562-137×2=288773+432+92=1297311+804=1115845-746+489=588367-78-43=246396-333=63106+482+69=65783×(461-452)=747477×(792-786)=2862479-122-312=45253-174+96=175396×9-803=2761950-(954-722)=718281-(178-167)=270591+594=118581+91=172111×8-138=750138×3=414602+769-899=472261×8-578=1510222+662+361=124587+473+391=951643-(99+431)=113586-29×8=354693-51×6=38778+411=489367×3-229=872608+234×3=1310941-582=35951-10+451=492677-(323+320)=34577-237=340952-191-688=73330-50=280380-(184-51)=24760×5+65=36544×(895-888)=308465×2+26=956706×4-65=27594/6+2/6=1401+67-354=114188+94+301=583426×3-459=819288+26×2=34081×(82-79)=243367-25×4=267829-124×5=209959+227+562=1748482-27-214=241443-47×2=349547-201=34694×4-164=212309-(40+26)=243414+(189-16)=587378-150×2=78198+219-334=83354-28×3=27056×2+485=597713+194×3=1295940+42-883=9921+176-103=94228-(260-254)=222161×2+253=575123×2+691=937903-114×7=105740-555=185206+(434-103)=537461-14×5=39138+69×9=659613×(598-592)=3678233+(374-218)=389435×2-651=219423-71×2=281678-455=223590-151=439120×(151-146)=600400-219=18130+440-240=230894-134+434=1194138+25×4=238892-(565+326)=1434-142-94=198849-620=22928+225×4=928317×2=634458-356-63=39249×4=996397-109-117=171107×9-545=418265×(581-574)=1855852+(985-127)=1710405-(300-245)=35051+(663-504)=210330-(212-188)=306708-506=202422+598+425=144564+33=97226×4+744=1648956×(989-980)=8604692-340×2=12705-(678-104)=131458-(19+120)=319146+349-83=412350-(471-414)=293947-(269+461)=217138+150+437=725429×2-347=511124×(54-46)=992148+59=207365-(222+127)=16300-(70-33)=26372×(137-130)=504827-(712-223)=338915-(926-221)=210729-318=411546-(164+288)=9432×7+428=652992×(583-576)=6944617-270-241=106339-168-75=96676+74-279=4714/7+2/7=6/7287×(234-231)=86169×7-131=352337+(373-83)=62729+767+45=841343+109×5=888489-235=254224×4+868=1764266+201+215=682310×2+19=639304-27×2=250266-(168+44)=54789-138-222=429418+104+60=582980-320×2=34021×(156-148)=168384-37×9=51207×3+30=651912-190-207=515935+57-256=736393-95-239=59292+620+417=1329467-262+130=33512+376-329=59302+(400-143)=559295×3=88580-20×2=40175-(60+88)=27290+199=489899×8=719220×4=8065+601-589=7721×4=84114×4-129=327396-48+775=1123244-94-43=107214×4+47=903831×6=498697+247=344287-259+344=372969-589-24=356393+112+298=80376×(366-360)=456381-133+200=44850+665+620=1335366+207×2=780638-49×8=246325-30×4=205835-87-170=57874+692+140=906263-(89-85)=259998-356+866=1508694+44+176=91488+(187-174)=10149×(462-453)=441322-81-51=190457×2-239=675114×4=456236×2+420=89285×5-137=288482-(91+186)=205219-30+398=587482-106-310=66425-269-21=135569-115=454121+174-275=20493×6-921=2037200×(100-96)=800399×4-796=800225+(494-152)=5674/6-1/6=3/6752-308-295=149436-346=90116+325+49=490403+77-415=65128+92-76=144876-522-141=213218-30×5=68993-(405+453)=135106×3=318320-(157-133)=296196×9-628=1136601+985-132=1454405+131×3=798584-411+706=879499-343+304=460743-(54+96)=593410+292=702949-354+223=818622+(350-148)=824280-(311-241)=210403-(169+68)=16689+146=235175-(754-734)=15542+151+320=513222+85×6=732244-56=188346-25=321466-463+66=69468-456+219=231260-229+27=58495-115-312=68218×7=1526755+(716-637)=834343×3=1029495-203-182=110226-36×2=154242×2=4843/8-1/8=2/8232+426+260=918681-93=588262+61+301=624265×3+883=167834-20+473=48747×8=37626+117=143602-(92+372)=138128+472=600232×(122-113)=2088254-176=78578+973-795=756909×(810-805)=4545424+204=628630×3-215=1675449-26×3=371615+756-891=480137+(415-244)=308318-313+174=179104×(120-117)=312792+749=154110×(467-462)=50200+(327-134)=393193-46+80=22786-28+94=152497-365-82=50325×3-399=576791+(731-400)=112289+885-160=814249+(348-47)=550160-(376-254)=38387+(478-442)=423509×7=3563649-231+11=429945-93+761=1613913-(569+279)=6560×(474-470)=240640-295×2=5083+199-252=30161×7=1127369-102×2=165927-(610+203)=114336+381=717241+299+350=890896×9-837=7227700-137=56398-(237-159)=20241-111=130484+12×7=568396-(256+42)=985/8+2/8=7/83/8-2/8=1/8923-322=601322-70=252296×(824-819)=1480628+262-858=32401+270+183=854479+479=958770-(590-538)=718954-811-61=82751-625+393=519840-(97+721)=2293+271=364288-(356-210)=14294+(686-570)=210490-(27+410)=53174-13×2=148443-(138+284)=21572-(344+180)=48629-(850-662)=441198×4-128=66442×9=378681×9=6129428-65×3=233229+118+392=739145×(383-380)=435978+912+10=1900241+151+772=1164915-103×4=503495+(377-268)=60469+368+867=1304416+(398-170)=644436-129-70=237443-(292-161)=312359+933-401=891559-(363+31)=165249+(485-228)=50669+94+664=827251-64+181=368620-245-52=323139-10-20=109478-234=244371-33=338247×(219-215)=988765×2-640=890983-320×2=34386-(395-372)=63367×2+190=924511-445+775=841233-90=143701+178-376=503452-(340+34)=78442+434+74=950427+481+306=1214775+869+171=1815381+(968-51)=1298155×5+211=986459-98-151=210178×(145-140)=890260×(461-452)=2340236×3=708904-87+751=1568642×(172-166)=3852738+423-778=383850+144=994174+188=36225×2+422=472493+752-130=1115485-(298+58)=12946×9+408=822595×(525-519)=3570430-324+51=15767+56+525=648135+857-311=681318+435+66=819492+(217-33)=676149-15-59=75376×2=7521/5+2/5=3/5889-385-237=2674/8-1/8=3/8302+183×3=851222×3=666151×6-314=592348-256=92139+212-150=20119+219+472=710121×9=1089217×3=651387-(311+71)=5889-(479-252)=662198×(135-131)=792131×7-878=39301-(261+21)=19453-166-255=32102×9-278=640207×(437-433)=828679+(766-171)=1274211×(188-185)=633147×4-38=550812-118=694490-213=277140+(191-130)=201429-84-144=20121×(85-76)=189296+99-310=85204-(484-347)=67500-(158+323)=19414+(338-335)=417233+449+67=749216×6=1296262×6-648=924944×(755-746)=8496216+201-254=163478×8=38243/8+5/8=142×2=84251+722-302=671319-(246-101)=1743/7-2/7=1/7212+119=331436-(192+191)=534/7-2/7=2/7167+(268-228)=20748+185=233452×2=904362-(423-77)=16987+541-928=600860-(226+475)=159122-18=104356+69×4=632777-61×2=655317+207×2=731658-(498+29)=131270×4-771=309383-186=197664×(459-450)=5976102×2=204332-(102+184)=46413-(543-364)=234421-99-101=221412-(175-144)=381758-(979-295)=74402-77×3=171194+97=291747-551+384=58097×5-363=122750×(604-596)=6000696+(931-206)=1421428-62+97=463296-156=140733×9-367=6230914+569-975=508283+(64-58)=289296+(396-19)=673743-407+217=553611×4=2444466-(98+71)=297243-(118+81)=44312-(206-40)=146759-350-270=139427-(31+308)=88615+(774-91)=1298860×(177-170)=602021×7=147293×2=58695+365=46095+82=177318×2+241=877688-(923-603)=368205+209=414154+324+132=610599-(190+95)=31443+(94-91)=46899-286×2=327238×(843-834)=2142144+338-426=56592-138×3=178958+896+565=2419895-204×4=7926+127+200=353222+251=473132×2=264831+(398-379)=850294-(256-178)=216816+(833-346)=1303551-75×2=401175+233=408173+113-108=178962-(371+323)=268431-48×6=143966-198-573=195977×2=1954404-105+289=588269+188=457178-(259-158)=7779×(428-422)=474837×2=1674221+(419-61)=579282-33×4=150313×3+43=982215+52×5=4755/8-2/8=3/863×(44-38)=378186-51×3=33475-(69+195)=211850-(585-318)=583133+214-278=69475+(429-286)=618227+45=272661-180×3=121106×8-665=183290-(80+186)=24401×6-979=142756+820-446=430244×(276-273)=732316-117-66=13388×(306-298)=704176-(193-91)=74341+304×2=949114+296-105=305183-105+318=396448+918-887=479293+115=408915-101×8=107813+106-758=161958-565-266=127382-77=305117×7-81=738385-(331-177)=231945-108+779=1616387-193=194458-112=346994-83×2=828475-(302-108)=281144+53×9=621491-306+697=882268-239=29129-117=12155×3+292=757728×5-833=2807335-155+269=449294-1