三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦963+34-66=221×2+421=727-(385-212)=1/6+3/6=416-(221+190)=165+(801-589)=121×7=910-662=303-130×2=220+76×7=266+393+120=433+221+231=750×(593-587)=707×9=61+189=322-248+390=559-157×3=308+744+849=985-209=112+101+588=156+(821-122)=106+228=132-88+797=397-14-140=104+84×4=454-119=172×(80-76)=242+101+185=398-55-196=521-(119+47)=344-(78+141)=281×4=747-(617+58)=22+33=193-(123-67)=663-38=252+138-109=11×5=94×(374-366)=114×7+36=442×(351-347)=236-23×3=419-15=358-66-179=110×(102-94)=86+474+343=894-601+664=716×(204-198)=907-(797-671)=304+186+345=977-64×4=448-434=452-17×6=906-256-600=735-(258-23)=486-103-315=498×2-426=470-226=367-59+823=888+945+612=784×4-476=185+103+143=237×2+79=656-13×6=784-(444+215)=898-456=203-57-19=974-(875+57)=844×2-604=474+279+34=421-(162-41)=265+325+115=617+553+272=378×5-150=187-(65+17)=423-64-178=796-(454-121)=283-16×9=149×3=406+(413-17)=197-102+400=495-368=208-(182-170)=646-427=85+400-95=295+(487-162)=316+62×3=130-20×5=269×(183-180)=450-(341+79)=127+(374-160)=184-(439-288)=247+527+13=523+921=807+833-367=202-126=251+91×6=166+236-26=125+460=124+363-276=6/8-2/8=382+354+190=81×9-685=26+838-474=734-145-20=359-13-324=655-(409-250)=245+199+107=92+(218-128)=42×5+837=20+(917-89)=834+42×5=122+375+362=441-10×4=153×3=829-(40+456)=220+563+894=130+97-78=489-90=359+134-368=480+899-331=182-(78+37)=286-234=383×7=308-(263-79)=58×6=668+(922-378)=400+627=215+(442-373)=208×5-442=46×(457-451)=66×9=767-(741-439)=289+702=242×5-65=330-176+82=58×8=487-15×2=244×3=143+(495-158)=230-57=203-64×2=140+226-63=396-203-39=447×4=692-60=221×2-40=558+298=109×5+287=583+35×6=562-133+473=321-139=51+333-209=342+187=123-27+25=522+745-391=241×(756-749)=800-(181+385)=217-199+335=488×(437-432)=181+202=905×7-670=278-47-85=434-(33+149)=441-21×4=707-(247+402)=712-65×3=686×(629-626)=770+850=440-46×3=1/5+2/5=143+336-203=875-383-198=47×5-20=397-202+182=888-115×4=147×5-590=175-(213-187)=443-200-173=238-143+124=929-418=173×7=947+315+932=965×(672-669)=22×(256-251)=453+68+209=139×6-769=447-(298-45)=26+821-830=753-177+905=844-720=87+149-114=497-275+244=5/9-2/9=3/6-1/6=386-143-59=487+(265-95)=102+228=64+(156-131)=229+(108-38)=118×5-275=443-115-22=126×4+61=40×3-56=28×(180-177)=750-733=445-383=38+316-248=659×(933-927)=326-(250-231)=844-(504-201)=520×(812-806)=365-103×2=765×(761-754)=445-52=3/8-2/8=418+79=404-137+417=880+62×5=118×(453-447)=121+226=583×(633-626)=51×(224-215)=342×8-697=161-24×5=188×4-71=645×7=287×3-622=326+997+862=110-42+130=143+271=139+85×8=843+(933-238)=367-(741-721)=339-222=78×(207-203)=182×2+463=418-91×2=412-15×3=462-204+30=350-(118+223)=58×(468-464)=188+283=230+33×7=183-42-119=800-(260+228)=10+62+279=25+(361-312)=4/7-2/7=926×(877-873)=19×5+338=614+(755-50)=210+782-730=305-218+120=173+439=209+165×2=108×7+840=144-68=85+217+623=425-137-48=288+175=64×(389-380)=571-468=353+(454-208)=461-199+142=223+206-420=480-(17+252)=925-832+744=209×(408-404)=919-62×2=149-(68+44)=897-90×9=102×8-668=351+(265-31)=377-(117+217)=913+(753-602)=903-843+624=462×4=415-33×8=431-(219+42)=333-(35+109)=1/4+2/4=125+137=818-250+596=371-(111+81)=882×8=780+558+659=143×4-181=75-(199-198)=595-62-323=14×5=340×4=347-(16+46)=784+233=541-(471+19)=164+15×4=65×4+433=861×(368-359)=212-17=706×(89-82)=324-(114-23)=216-(140+71)=2/5-1/5=22×9=314+929-357=994-290×2=95+289-187=607-110=994-862-44=124-75+158=438-137+117=426×2=29+827+91=359-82×3=500-72=713-175+802=184-(496-332)=281-247+390=1/5+3/5=418-(210+88)=278+124×2=349-70=235+530=83×5-334=487-12+269=112×4-75=399×2-205=543×6-91=160×5-118=355+(480-152)=400×7-199=360+585+383=158-(68-49)=394-33-357=446+(524-303)=190×3=333+(356-58)=303+(403-367)=851-33-302=623-280-251=383+157-125=463-(488-59)=348×8=673+(902-581)=733-(322+367)=640×4-778=536-(857-527)=262+(340-108)=186-(333-156)=185-43×3=120+71=379-234=840+620-337=276-(385-247)=181×2+106=222-42×5=867×(615-611)=201-175=301+85=264-18×5=125×(201-196)=3/9+2/9=917-307-142=472-205+162=238×6=531×4=169+287=976+244-33=308×2+742=363-(451-229)=101×9=992-472-48=2/4-1/4=390-47×6=36×7+721=287-92×2=176×(448-443)=231-44×5=246+175=260-(125+50)=87×9=293-56=52×5+184=2/8+5/8=267-189=450-276=365+(363-297)=125+331=629-102+763=173-60+141=691+757-197=826-206-192=219+150=438-175-56=472-(436-297)=176+187-61=367-(168+70)=963-36-40=202-78=74×2-41=445+27-397=100×6-36=653+10+26=478-255-28=646-368-250=82×4+153=717-125×4=830-524+844=452+309×2=297-(183-152)=89+(749-703)=275-259+115=948-(102+656)=388-(285-67)=749×8-147=71+289=994-(34+555)=296+184=791-612+561=442+(162-131)=435×2-758=686+142=60×5-290=834×2-500=190+196=194×7-60=503×4-386=200×4+834=46+60=736-158×4=380-(97+51)=247-100+193=23×3+220=53×3=135+95+157=194×3=571×4-221=900+717-932=917-814+189=536×2=832+62×8=473+(458-76)=394×6=971-554+325=42×(304-296)=5/7-1/7=251×(147-144)=13×8=314-61-181=115-56=311-(505-194)=517+(196-49)=323-(206-66)=691×(793-787)=407-(189+208)=670×6-788=782×3=198+159-313=795-62×9=845-323-281=951-417=268×(241-232)=184-146+273=657+(963-221)=388-(637-516)=78+296=322-133+72=182+99+647=424-(467-207)=600-158-208=155+428+717=797+81×8=277×2-433=88+992-925=305-125×2=218+(854-441)=620-(483-434)=314-(176+108)=809-254=985-(356+257)=269×(976-973)=646+370=683-670=526×4-160=103+44×9=34+(225-112)=627-625+987=437-63×3=120×3=343+105-145=728-(81+611)=51+98+192=139-(325-200)=805-532-139=980×(845-841)=549-48-179=834+148-17=454-(315-256)=236+526+33=436×2=94-(154-113)=253+11+102=783+694=774-46×3=320+66×2=588-76=2/7+4/7=971-101=332-133+224=375+64=500-323-13=712-365-284=98×6-217=1/4+3/4=674-266+838=480-35×5=1/7+2/7=202-(54-40)=475-407-46=686-(569-134)=167×4=221+219=483×(952-944)=251-115×2=699-(297-32)=663-(92+82)=266-76=37+(338-208)=121+673=915-(122+715)=211+156-45=946-(89+55)=821-(396-149)=377-314=411-117×3=88+344-264=100+(325-69)=792+976-942=295-256=874-248+572=136×(493-486)=111×3=643+(916-594)=396-76=170×2=264+(998-396)=36+709+653=939+12-175=50×6-95=222+280=908-619=229+921+214=261-(178-106)=298-137×2=506+463-872=112×(264-261)=385-(216+131)=237×(349-346)=408+411+46=30+63-42=412-331=557×4-793=412+(394-241)=635×6=427×2=866-40×5=54+148+301=583-440+64=3/5+2/5=120+608+979=218+(771-278)=388-(425-42)=176+(274-92)=344-101-171=429+63-345=16+(338-325)=149+111=873-82-459=366-30-297=409×4-817=111+526=70×7-207=473-62×2=963-558=518×5=43×6=415×2+920=655-306×2=319+112+424=492-368=266+(241-135)=829-(571+184)=399×2-427=613+(730-608)=784×5-102=872+646-281=42×6+372=894-128-335=643+611-478=224+145×5=859+(754-345)=415-160-37=851-136=649+553+352=379-69+760=139×3-408=290+483=459-(245+19)=91×4+166=267×9=814-(704+31)=385-33=327×2-386=69+357-320=467-279=53×(429-422)=478-(13+359)=724+542+29=533+121=545-170-262=280+449+610=130+(824-624)=938-(762+64)=840-207-189=485+465+336=72-25+109=485-(40+104)=225+(450-55)=110+380=899×3-406=595-411=331+235=404+41×8=394-336=854×2=785+465=809-608+559=895-(812-217)=471-(605-525)=186×(362-358)=1/8+4/8=317×(76-67)=486-(191-138)=846×4-695=740-117-400=359-(753-721)=208-116=155-142+338=934-653-73=620-(693-473)=343×5-434=371+662=53+(633-570)=20×(378-370)=311×3-780=40+433-323=139-101=390-23+123=881×5-885=332+(729-660)=306×2-279=85×9=288+264=293-210+171=397+33-69=859×4=437-(199+108)=537+774-962=71+861+241=27×7+237=211×2=128×5-241=61×4+31=768+552+979=703-(859-563)=25+946-167=798-(268+120)=277+151-419=168+315=129×(288-283)=865-634+344=733+738+438=105+281=889-174=406-146-135=168+40=160×6-415=184+213=201×3=728-102×2=3/8-1/8=391-35×9=298+34×5=537-25×4=299+324=263-115-141=2/6-1/6=22×3+355=12+242-172=145+186=842-(828-550)=543×2=652-305×2=264-25×3=515+255+347=432-(243-79)=644×4-21=287-121+135=631+193+57=998-(371+486)=990-(238+135)=46×2=389+60+188=166-53×3=511-13+846=636×9=357-69+885=947×(658-654)=112-21-78=201-52=55×7=169+106×6=13+154+273=885+628-827=49×(456-453)=645+596+496=646+(729-423)=411-39×2=499-234-239=158+108-91=751×4-615=104+(429-305)=830+(462-409)=548-(352-65)=89-39+926=446-27×2=613+132-201=2/3-1/3=156+99-192=85+51×8=385+570-744=118×(251-243)=679-635=953-(395+400)=923+985-652=438+580+668=123×5-333=394-(92+105)=426-(161+50)=697+(827-64)=121-(254-173)=383-75-97=336-(28+108)=105-(238-207)=210+(425-251)=63+275=77×2=8/10+2/10=330+103×2=101+308=369×5=317+85×8=17×3=857-(322-235)=815-(380-273)=685-40-386=87-(187-106)=519×(875-869)=237-(228-195)=905-(730-100)=431-(455-116)=839+489-520=478-135-28=936+(631-324)=787-(306+77)=648+(681-202)=81×(483-474)=806-656=615×(389-386)=246-92=347+27×4=142+541+440=912×(324-320)=380-67×4=357-109×2=35+194=372-357+47=756-514+529=474×2+555=194+38×4=462-367+206=337+(396-275)=851-183-590=951+137-526=835-(337+90)=112×(329-323)=597+156+111=400+(406-39)=143+146-108=106+355×2=77×2+226=577+594-160=58+144+243=675-233-179=459×(443-438)=402-374+222=492-246-244=350×8-817=96×(274-268)=17+35×6=476+205+104=137×(17-14)=362-(68+44)=237+126×4=813×2=161×2=458-(339+108)=722-72×4=146×5-438=975+73+125=58×(22-13)=58×6+154=229+368×2=99×8=382+87=666+863+780=673-78×7=158-21+344=407-48×3=195-15-23=198×2=428+222+251=435+(160-88)=306-81-144=219+275-132=95×8+320=981×(452-449)=294-70×3=371+(335-233)=387-13×3=332×9=289-22×4=348-(44+41)=175×5=619+371+748=24×5+101=991+943+845=553-77×2=79+347=858-318-172=491×(515-508)=834+888-808=486×(376-373)=162×4+132=771-(884-392)=95+242=6/7-1/7=234-(83+136)=102+(176-148)=752-459+184=930-129-749=979-109+342=276-(161+96)=62×2+40=參考答案963+34-66=931221×2+421=863727-(385-212)=5541/6+3/6=4/6416-(221+190)=5165+(801-589)=377121×7=847910-662=248303-130×2=43220+76×7=752266+393+120=779433+221+231=885750×(593-587)=4500707×9=636361+189=250322-248+390=464559-157×3=88308+744+849=1901985-209=776112+101+588=801156+(821-122)=855106+228=334132-88+797=841397-14-140=243104+84×4=440454-119=335172×(80-76)=688242+101+185=528398-55-196=147521-(119+47)=355344-(78+141)=125281×4=1124747-(617+58)=7222+33=55193-(123-67)=137663-38=625252+138-109=28111×5=5594×(374-366)=752114×7+36=834442×(351-347)=1768236-23×3=167419-15=404358-66-179=113110×(102-94)=88086+474+343=903894-601+664=957716×(204-198)=4296907-(797-671)=781304+186+345=835977-64×4=721448-434=14452-17×6=350906-256-600=50735-(258-23)=500486-103-315=68498×2-426=570470-226=244367-59+823=1131888+945+612=2445784×4-476=2660185+103+143=431237×2+79=553656-13×6=578784-(444+215)=125898-456=442203-57-19=127974-(875+57)=42844×2-604=1084474+279+34=787421-(162-41)=300265+325+115=705617+553+272=1442378×5-150=1740187-(65+17)=105423-64-178=181796-(454-121)=463283-16×9=139149×3=447406+(413-17)=802197-102+400=495495-368=127208-(182-170)=196646-427=21985+400-95=390295+(487-162)=620316+62×3=502130-20×5=30269×(183-180)=807450-(341+79)=30127+(374-160)=341184-(439-288)=33247+527+13=787523+921=1444807+833-367=1273202-126=76251+91×6=797166+236-26=376125+460=585124+363-276=2116/8-2/8=4/8382+354+190=92681×9-685=4426+838-474=390734-145-20=569359-13-324=22655-(409-250)=496245+199+107=55192+(218-128)=18242×5+837=104720+(917-89)=848834+42×5=1044122+375+362=859441-10×4=401153×3=459829-(40+456)=333220+563+894=1677130+97-78=149489-90=399359+134-368=125480+899-331=1048182-(78+37)=67286-234=52383×7=2681308-(263-79)=12458×6=348668+(922-378)=1212400+627=1027215+(442-373)=284208×5-442=59846×(457-451)=27666×9=594767-(741-439)=465289+702=991242×5-65=1145330-176+82=23658×8=464487-15×2=457244×3=732143+(495-158)=480230-57=173203-64×2=75140+226-63=303396-203-39=154447×4=1788692-60=632221×2-40=402558+298=856109×5+287=832583+35×6=793562-133+473=902321-139=18251+333-209=175342+187=529123-27+25=121522+745-391=876241×(756-749)=1687800-(181+385)=234217-199+335=353488×(437-432)=2440181+202=383905×7-670=5665278-47-85=146434-(33+149)=252441-21×4=357707-(247+402)=58712-65×3=517686×(629-626)=2058770+850=1620440-46×3=3021/5+2/5=3/5143+336-203=276875-383-198=29447×5-20=215397-202+182=377888-115×4=428147×5-590=145175-(213-187)=149443-200-173=70238-143+124=219929-418=511173×7=1211947+315+932=2194965×(672-669)=289522×(256-251)=110453+68+209=730139×6-769=65447-(298-45)=19426+821-830=17753-177+905=1481844-720=12487+149-114=122497-275+244=4665/9-2/9=3/93/6-1/6=2/6386-143-59=184487+(265-95)=657102+228=33064+(156-131)=89229+(108-38)=299118×5-275=315443-115-22=306126×4+61=56540×3-56=6428×(180-177)=84750-733=17445-383=6238+316-248=106659×(933-927)=3954326-(250-231)=307844-(504-201)=541520×(812-806)=3120365-103×2=159765×(761-754)=5355445-52=3933/8-2/8=1/8418+79=497404-137+417=684880+62×5=1190118×(453-447)=708121+226=347583×(633-626)=408151×(224-215)=459342×8-697=2039161-24×5=41188×4-71=681645×7=4515287×3-622=239326+997+862=2185110-42+130=198143+271=414139+85×8=819843+(933-238)=1538367-(741-721)=347339-222=11778×(207-203)=312182×2+463=827418-91×2=236412-15×3=367462-204+30=288350-(118+223)=958×(468-464)=232188+283=471230+33×7=461183-42-119=22800-(260+228)=31210+62+279=35125+(361-312)=744/7-2/7=2/7926×(877-873)=370419×5+338=433614+(755-50)=1319210+782-730=262305-218+120=207173+439=612209+165×2=539108×7+840=1596144-68=7685+217+623=925425-137-48=240288+175=46364×(389-380)=576571-468=103353+(454-208)=599461-199+142=404223+206-420=9480-(17+252)=211925-832+744=837209×(408-404)=836919-62×2=795149-(68+44)=37897-90×9=87102×8-668=148351+(265-31)=585377-(117+217)=43913+(753-602)=1064903-843+624=684462×4=1848415-33×8=151431-(219+42)=170333-(35+109)=1891/4+2/4=3/4125+137=262818-250+596=1164371-(111+81)=179882×8=7056780+558+659=1997143×4-181=39175-(199-198)=74595-62-323=21014×5=70340×4=1360347-(16+46)=285784+233=1017541-(471+19)=51164+15×4=22465×4+433=693861×(368-359)=7749212-17=195706×(89-82)=4942324-(114-23)=233216-(140+71)=52/5-1/5=1/522×9=198314+929-357=886994-290×2=41495+289-187=197607-110=497994-862-44=88124-75+158=207438-137+117=418426×2=85229+827+91=947359-82×3=113500-72=428713-175+802=1340184-(496-332)=20281-247+390=4241/5+3/5=4/5418-(210+88)=120278+124×2=526349-70=279235+530=76583×5-334=81487-12+269=744112×4-75=373399×2-205=593543×6-91=3167160×5-118=682355+(480-152)=683400×7-199=2601360+585+383=1328158-(68-49)=139394-33-357=4446+(524-303)=667190×3=570333+(356-58)=631303+(403-367)=339851-33-302=516623-280-251=92383+157-125=415463-(488-59)=34348×8=2784673+(902-581)=994733-(322+367)=44640×4-778=1782536-(857-527)=206262+(340-108)=494186-(333-156)=9185-43×3=56120+71=191379-234=145840+620-337=1123276-(385-247)=138181×2+106=468222-42×5=12867×(615-611)=3468201-175=26301+85=386264-18×5=174125×(201-196)=6253/9+2/9=5/9917-307-142=468472-205+162=429238×6=1428531×4=2124169+287=456976+244-33=1187308×2+742=1358363-(451-229)=141101×9=909992-472-48=4722/4-1/4=1/4390-47×6=10836×7+721=973287-92×2=103176×(448-443)=880231-44×5=11246+175=421260-(125+50)=8587×9=783293-56=23752×5+184=4442/8+5/8=7/8267-189=78450-276=174365+(363-297)=431125+331=456629-102+763=1290173-60+141=254691+757-197=1251826-206-192=428219+150=369438-175-56=207472-(436-297)=333176+187-61=302367-(168+70)=129963-36-40=887202-78=12474×2-41=107445+27-397=75100×6-36=564653+10+26=689478-255-28=195646-368-250=2882×4+153=481717-125×4=217830-524+844=1150452+309×2=1070297-(183-152)=26689+(749-703)=135275-259+115=131948-(102+656)=190388-(285-67)=170749×8-147=584571+289=360994-(34+555)=405296+184=480791-612+561=740442+(162-131)=473435×2-758=112686+142=82860×5-290=10834×2-500=1168190+196=386194×7-60=1298503×4-386=1626200×4+834=163446+60=106736-158×4=104380-(97+51)=232247-100+193=34023×3+220=28953×3=159135+95+157=387194×3=582571×4-221=2063900+717-932=685917-814+189=292536×2=1072832+62×8=1328473+(458-76)=855394×6=2364971-554+325=74242×(304-296)=3365/7-1/7=4/7251×(147-144)=75313×8=104314-61-181=72115-56=59311-(505-194)=0517+(196-49)=664323-(206-66)=183691×(793-787)=4146407-(189+208)=10670×6-788=3232782×3=2346198+159-313=44795-62×9=237845-323-281=241951-417=534268×(241-232)=2412184-146+273=311657+(963-221)=1399388-(637-516)=26778+296=374322-133+72=261182+99+647=928424-(467-207)=164600-158-208=234155+428+717=1300797+81×8=1445277×2-433=12188+992-925=155305-125×2=55218+(854-441)=631620-(483-434)=571314-(176+108)=30809-254=555985-(356+257)=372269×(976-973)=807646+370=1016683-670=13526×4-160=1944103+44×9=49934+(225-112)=147627-625+987=989437-63×3=248120×3=360343+105-145=303728-(81+611)=3651+98+192=341139-(325-200)=14805-532-139=134980×(845-841)=3920549-48-179=322834+148-17=965454-(315-256)=395236+526+33=795436×2=87294-(154-113)=53253+11+102=366783+694=1477774-46×3=636320+66×2=452588-76=5122/7+4/7=6/7971-101=870332-133+224=423375+64=439500-323-13=164712-365-284=6398×6-217=3711/4+3/4=1674-266+838=1246480-35×5=3051/7+2/7=3/7202-(54-40)=188475-407-46=22686-(569-134)=251167×4=668221+219=440483×(952-944)=3864251-115×2=21699-(297-32)=434663-(92+82)=489266-76=19037+(338-208)=167121+673=794915-(122+715)=78211+156-45=322946-(89+55)=802821-(396-149)=574377-314=63411-117×3=6088+344-264=168100+(325-69)=356792+976-942=826295-256=39874-248+572=1198136×(493-486)=952111×3=333643+(916-594)=965396-76=320170×2=340264+(998-396)=86636+709+653=1398939+12-175=77650×6-95=205222+280=502908-619=289229+921+214=1364261-(178-106)=189298-137×2=24506+463-872=97112×(264-261)=336385-(216+131)=38237×(349-346)=711408+411+46=86530+63-42=51412-331=81557×4-793=1435412+(394-241)=565635×6=3810427×2=854866-40×5=66654+148+301=503583-440+64=2073/5+2/5=1120+608+979=1707218+(771-278)=711388-(425-42)=5176+(274-92)=358344-101-171=72429+63-345=14716+(338-325)=29149+111=260873-82-459=332366-30-297=39409×4-817=819111+526=63770×7-207=283473-62×2=349963-558=405518×5=259043×6=258415×2+920=1750655-306×2=43319+112+424=855492-368=124266+(241-135)=372829-(571+184)=74399×2-427=371613+(730-608)=735784×5-102=3818872+646-281=123742×6+372=624894-128-335=431643+611-478=776224+145×5=949859+(754-345)=1268415-160-37=218851-136=715649+553+352=1554379-69+760=1070139×3-408=9290+483=773459-(245+19)=19591×4+166=530267×9=2403814-(704+31)=79385-33=352327×2-386=26869+357-320=106467-279=18853×(429-422)=371478-(13+359)=106724+542+29=1295533+121=654545-170-262=113280+449+610=1339130+(824-624)=330938-(762+64)=112840-207-189=444485+465+336=128672-25+109=156485-(40+104)=341225+(450-55)=620110+380=490899×3-406=2291595-411=184331+235=566404+41×8=732394-336=58854×2=1708785+465=1250809-608+559=760895-(812-217)=300471-(605-525)=391186×(362-358)=7441/8+4/8=5/8317×(76-67)=2853486-(191-138)=433846×4-695=2689740-117-400=223359-(753-721)=327208-116=92155-142+338=351934-653-73=208620-(693-473)=400343×5-434=1281371+662=103353+(633-570)=11620×(378-370)=160311×3-780=15340+433-323=150139-101=38390-23+123=490881×5-885=3520332+(729-660)=401306×2-279=33385×9=765288+264=552293-210+171=254397+33-69=361859×4=3436437-(199+108)=130537+774-962=34971+861+241=117327×7+237=426211×2=422128×5-241=39961×4+31=275768+552+979=2299703-(859-563)=40725+946-167=804798-(268+120)=410277+151-419=9168+315=483129×(288-283)=645865-634+344=575733+738+438=1909105+281=386889-174=715406-146-135=125168+40=208160×6-415=545184+213=397201×3=603728-102×2=5243/8-1/8=2/8391-35×9=76298+34×5=468537-25×4=437299+324=623263-115-141=72/6-1/6=1/622×3+355=42112+242-172=82145+186=331842-(828-550)=564543×2=1086652-305×2=42264-25×3=189515+255+347=1117432-(243-79)=268644×4-21=2555287-121+135=301631+193+57=881998-(371+486)=141990-(238+135)=61746×2=92389+60+188=637166-53×3=7511-