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566-(227+320)=293×2-73=357-170-123=233-11=364-236=104×6=91×9-483=21×(114-110)=189+(233-75)=426-38=431-(56+145)=60×2=209+86+416=535-313-220=338-10-218=254-14×2=219×4=805-119×4=998-577-31=44+199=4/8-2/8=137×2=185+276-403=3/9+4/9=162+621-650=125×(26-21)=311+195+545=138+321=223×4=824-75×9=400+12-66=427-147×2=421-(225+12)=629-(197+54)=914-(182-169)=32+311-85=55+82=487-36-11=156+81=610+(637-58)=154-16×7=394-41-278=291-17×6=416-27×4=650+626+859=971-230-451=275-(145+50)=217×(428-425)=109+151=422-(218+203)=309-115=473-(767-507)=438-61=533-(733-557)=850-382-195=847+644=1/8+5/8=2/4-1/4=167+100=430+39×8=59×2+27=969-(184-143)=897-(146-119)=939+485+733=466×3=847×(42-36)=264+578+39=49×9-334=255-236+451=370-288+651=161-117+440=430+(444-307)=284×6-715=65×8+189=915+773=205×2=217×6-322=433×2+123=141×4+91=674-637+157=212×3=833-(648-211)=597×9=712×(304-298)=216+(219-106)=2/3-1/3=344+325+239=421+575-56=397-16×3=870-129+244=182+(484-313)=57+386-288=606-(167+259)=62+(605-146)=361-331=319+39×4=872-(810-595)=455-(367-358)=161-83=45×2=756+453-923=59×(49-42)=921-(208+161)=366+(893-217)=248×4-431=939-12=238-160=47×5+298=263-(66+191)=355+16×9=47×7=810×3=577+195=97+64×6=555-(560-68)=42×9=243-(336-132)=306+457-738=378+251+145=294+(465-408)=206+44×8=93×2=111-(392-374)=152-100-11=1/7+5/7=299-263=481+490+984=354-79=395-132+679=648-340=351-153=562-415-146=184×4-508=164×8=852-176×2=518×5=972-(67+224)=259-228+452=366-25×6=707-(57+53)=697+49+25=312+955-580=714-133×3=291×9=725-492=789+(834-316)=84×3=323×2-451=273×7-884=589+147×6=957-198-572=614+484=928-135-699=746-(656-229)=140+782-336=442-(237+83)=495+(402-186)=868×5=151-104+360=157-42+123=910-723+921=437+247+263=82-(343-295)=316+162-373=349+(470-59)=641-108×4=174-(313-243)=752×(129-124)=193+237=942+306=224×3=27×9+147=415-196×2=850+(523-473)=361-109=283+313+303=83+353=294-(175-172)=127+(254-225)=83×(351-343)=126×7=162×5+357=773-52+457=969-54×8=419-235+189=987+667-832=298+(487-81)=293-(661-423)=393-124-94=802+466=752+107-547=266×(153-150)=538×9-730=269-(107-17)=338+393+51=975×9=960-459-16=898-(949-521)=264+94×2=154×5=349-32×2=788×9-257=828-310=135+443+89=815-588+852=4/8-3/8=145-30-63=232+299+259=173+198-148=312×2-24=22-(405-392)=366-(107+257)=642-70=482-(32+416)=496+181=331+44-231=424-92×4=105×(200-192)=462×7=420-235=412×2+528=117+572=129-17+42=669+84+85=486-421+322=381-(69+141)=281×3+905=296+102+467=83+133=60×5=163×4=303-197-73=190×4-227=74+674+168=315-(315-61)=516-(592-400)=903-(327+79)=520+344+58=571×8-513=319+340-425=395-94-37=524×9=357+997+647=283+(468-107)=486-65=686+(387-143)=647-625+716=18+402-248=961-39=130×6-403=383-307+352=445-173=390-193+52=189×(333-330)=336+187+451=61+(859-597)=408-142-170=732-(33+65)=70×9=282×(225-217)=285+(211-52)=441-246-163=4/9-1/9=128-86+234=86+257-172=828×6=311-237-68=755×(110-107)=424+(730-31)=499+204-318=329-(45+101)=181×4-339=708-608-30=71+276-257=726+562-132=624-51-169=74-(327-317)=83×(450-446)=880+62+19=379+(980-659)=236+85×5=486+(448-273)=415+73=391×9-277=894-(831-461)=183+193=345+138+154=577-(867-645)=797×4-93=854+(496-252)=55×(196-187)=474-348-19=876-457-390=442-(238+173)=387-263=446×(822-819)=44×(119-110)=322-142×2=753×(906-898)=156+349+834=689-137+490=559+(887-88)=197-(337-208)=465×6-896=468-168+647=452-(194+79)=464-(37+28)=368-232+45=444-259-135=638-411=499+(455-164)=69+202-257=466-(15+180)=264+175-383=234+(366-141)=59×8+39=831×9-809=401-175-104=257×2=934+(966-854)=771+(327-118)=50×(287-281)=139+137-209=317+393+931=383-98-114=4/7+2/7=339-(416-141)=987-352-598=255-31×8=558-337=147-136+15=97+39×6=168+231-377=208+183×3=253+61=161×(397-391)=163+586=460-40-165=32+58=453-66-143=271-201+387=155×3-170=60×(240-234)=93×5=809-237=327-41×2=982-801+868=136×5+177=838-367+928=924-556+99=406×2-47=110×4=757×8=113×2+52=427-(210+76)=487-220×2=332+907-181=159×4+631=969-114×7=421×2-497=49×9+156=195-48=252+492+542=978×(330-322)=51×(61-58)=430×4-102=834-(652+80)=997+(932-844)=608×3-885=615×(699-694)=913-(673+202)=151×5=283+68×7=223+40-216=495+90×3=182-(473-450)=379-57×6=809-(732-578)=265+(247-211)=18×6+292=59×2=531+(689-644)=498-(232+84)=616+879+921=366×(703-699)=859-132×5=465-331+187=733-486+174=89+97=411+733-276=767-168×4=96×(50-47)=174+248-341=627×8-311=941-(431+338)=150+101×5=502-201+874=105×(366-357)=323+(747-33)=379+101=34×(41-36)=348-(489-191)=982-897-79=215×2+732=812+428×2=324-274+809=366-88-135=184×(112-108)=249+245-397=149×3=209-146+86=56×5+405=460×6-757=219×3+331=290+59-320=158+285=108+389=124+323=151×6=436-(134+234)=150+(355-219)=949-121-802=165+429-441=175+113=490×2+484=924-268=426-(129+62)=620×6-242=368-65=309-(368-223)=700+524-923=493+(231-52)=402+156+962=439-343=581×7-541=277×2+195=496-194=629×(697-692)=260-60+706=365-22×5=512+270+172=158×2+779=225+99×3=903×9-610=79+368-107=927+276+548=422×(688-682)=703+58×3=964+372-412=309+190-463=183-112=481-221-217=705-364-76=761-93×3=482+(119-54)=199+193×4=996+(932-98)=12+486+334=850+274×3=330+159×6=118×4=395-365=320+(385-258)=745×3-78=3/7+2/7=412+171×3=134×4=620-20-336=745-(433-180)=362-304=304-(218-122)=990+850-283=187-(460-380)=1/6+4/6=308×2-313=87+202-231=638+926-444=377-252=842+690+551=266+75=246-232+297=167×4=237-42×2=900-293×2=351-24-309=360-(206-33)=148×4=188×5-679=851+86-259=371-38×6=2/7-1/7=396-273+461=790+151=462-(170+162)=748×4-116=824-(623-482)=403-65-43=31+432+71=95×(885-876)=263-66×3=162×5-228=466-11-437=385+14+12=206×(231-228)=194×5+624=773-683+743=141-131+112=188+470=438-(375-239)=348-95-177=296-14×4=282+59×6=357+270+266=4/7-2/7=715-541=110-29=407-(61-46)=402×(689-684)=54+163×5=781-(257+242)=546+45+177=876×(846-839)=329-13=739×8=62-(149-99)=585-50×8=340-234-74=458-(291+157)=190-108+244=629-41×8=320+184-146=385-308+161=292×2=82+52=434-121+110=31×(218-212)=234-(319-198)=481+242+547=259+524=834-(441+352)=120-83+76=626+811+752=389-(444-167)=493-33-337=362-(272-200)=580×3=973-73×4=278+(802-439)=157×6-538=86+51=187-(310-137)=136+(169-123)=325-(936-918)=1/5+3/5=887-(398-321)=29+362+328=438-(442-349)=278-166-104=253+73-85=268-(327-283)=105×3+919=134+521=3/7-2/7=27×(197-192)=370+(431-244)=990-90-801=227+(809-436)=315+124=348-(28+25)=57+88=692-(841-771)=7/10-2/10=625-(72+245)=296+393=928+346=277+118=437+52-207=481+(427-114)=146+297=47×4-55=59+283-94=33×8-90=475-262=291×3+891=223-204=633+146+268=130×(137-131)=429-36×7=229×(632-627)=203-172+379=311+183-389=92×6+476=973-(174+157)=731-222=667×2-58=4/6+2/6=394+406+835=732+(921-748)=118-43+211=255+208-219=407-220+176=100×7-116=648×6-472=430×2-727=627+145=963+(953-872)=457+40+260=402-(163+196)=449-162-241=876-(304+387)=261+39+360=323-148×2=217+(636-391)=208-29=383×9-690=118-49+252=435-11×2=633-45=282+192=110+56=775×(964-956)=486+685-277=277+179+913=333-140-24=130+202=66+798+68=399-125×3=343-(142+33)=188-(79+101)=73×(100-93)=461×4=316-(196+114)=891+275-525=205-32×3=233×2+82=471-51=970×4=295×3-119=545+877-685=291×6=990-(805-150)=348×(425-419)=342+249×2=392-21×4=481-84×4=539+(930-330)=463-(87+227)=798-222+493=483+840+816=59×7=626-221=353+40+264=278+55×9=124×(744-738)=839+682+533=933-170=736+40×3=428-(250+165)=74×7=80+562+263=370-220+173=280-116=133×(467-460)=890-601=769-470-204=317×(428-424)=385+158×5=60+157=691-(20+99)=452+911+82=902-438+167=289+(237-52)=829+823+832=956-140×2=519-(37+107)=818-309=804-19×5=100×7=439-203+128=345-63×4=919-442+143=206-(37+110)=402-50×2=338-109×3=130×(261-254)=944-(303+284)=211+258=547×8=51+268=119×(324-320)=316-13-176=459-(472-58)=151×2-289=10+(286-140)=367-308-15=493+61×2=939-115×8=384-153=232×9-610=229×(62-53)=125+79=528-(151-81)=475-350=78+48+137=428-96×3=340+93-240=130+81-118=308-(480-176)=154×4=168-64=149-21×3=162×(397-391)=659-22×4=61×2-107=996+106-431=362+21-302=318×(781-773)=579-170-220=340-116-85=65+(470-323)=189+212-393=565+980-595=780+(455-77)=287-(422-279)=844-701+729=542+273=160-50+141=985-634-332=947+(425-144)=95×8-215=600-321=474-226=935-378+763=2/7+5/7=378-(168+199)=786-(529+198)=116×8-816=831×9=746-699+58=194×3-338=205+311+147=340+(339-152)=568-55×2=420-48×8=690-76-365=188-(489-363)=546+185+29=350+603+88=694-(120+43)=3/6-2/6=890-256=242+(861-838)=159×4=5/9-4/9=118×6-700=333-12-297=130×7=144×4+310=109×9-124=629+981=1/3+2/3=31×(600-592)=877+846-627=276×8=971-39=749+115-565=215+96=2/9+5/9=414-(300+65)=883+419=411-243+425=337+642+785=421-19-24=205×3+43=171-(198-60)=7/10+2/10=473-73+21=286+320+121=218×(50-45)=797+(591-167)=396-256=203+67×2=660-(279+344)=126×9-868=352-(134+198)=13+71=685-92=465+(219-61)=856+596+302=247-(144-100)=89×(479-473)=516-(708-328)=279+267=160×5-616=539-(261+235)=32×(191-184)=50+79=397-(148+156)=472-159×2=893-803=195+744+988=666+763+344=735×8-523=565×(233-225)=329-(214+27)=499+(285-256)=998-412×2=3/5-1/5=661-193×3=375-64-88=34+(477-100)=248+141=425-(451-311)=598-(675-283)=652-259+721=607+180×3=348-43×6=30×(253-247)=125+119-144=376+(387-288)=462×2=493×6-335=350×2=498+(491-449)=921-(46+370)=331×5-921=453-290+156=170×5=593×(348-340)=12×(89-84)=913+61×9=341-(749-464)=386-107=242×(149-145)=896×(392-387)=355-20=715+189=978+189=562-145×2=721+(980-546)=387-294+250=242-106-129=12×9+33=192+141-50=20×9=286-10×5=985-(733+211)=90×5-178=470-90-302=860+927-597=724-(67+140)=63×6-292=453-(227+205)=258+407+291=531+(899-358)=622-(477-259)=36×5+363=633+306=772-280-251=103×3-274=401-29×6=265-101+102=855-139×5=362-118-169=参考答案566-(227+320)=19293×2-73=513357-170-123=64233-11=222364-236=128104×6=62491×9-483=33621×(114-110)=84189+(233-75)=347426-38=388431-(56+145)=23060×2=120209+86+416=711535-313-220=2338-10-218=110254-14×2=226219×4=876805-119×4=329998-577-31=39044+199=2434/8-2/8=2/8137×2=274185+276-403=583/9+4/9=7/9162+621-650=133125×(26-21)=625311+195+545=1051138+321=459223×4=892824-75×9=149400+12-66=346427-147×2=133421-(225+12)=184629-(197+54)=378914-(182-169)=90132+311-85=25855+82=137487-36-11=440156+81=237610+(637-58)=1189154-16×7=42394-41-278=75291-17×6=189416-27×4=308650+626+859=2135971-230-451=290275-(145+50)=80217×(428-425)=651109+151=260422-(218+203)=1309-115=194473-(767-507)=213438-61=377533-(733-557)=357850-382-195=273847+644=14911/8+5/8=6/82/4-1/4=1/4167+100=267430+39×8=74259×2+27=145969-(184-143)=928897-(146-119)=870939+485+733=2157466×3=1398847×(42-36)=5082264+578+39=88149×9-334=107255-236+451=470370-288+651=733161-117+440=484430+(444-307)=567284×6-715=98965×8+189=709915+773=1688205×2=410217×6-322=980433×2+123=989141×4+91=655674-637+157=194212×3=636833-(648-211)=396597×9=5373712×(304-298)=4272216+(219-106)=3292/3-1/3=1/3344+325+239=908421+575-56=940397-16×3=349870-129+244=985182+(484-313)=35357+386-288=155606-(167+259)=18062+(605-146)=521361-331=30319+39×4=475872-(810-595)=657455-(367-358)=446161-83=7845×2=90756+453-923=28659×(49-42)=413921-(208+161)=552366+(893-217)=1042248×4-431=561939-12=927238-160=7847×5+298=533263-(66+191)=6355+16×9=49947×7=329810×3=2430577+195=77297+64×6=481555-(560-68)=6342×9=378243-(336-132)=39306+457-738=25378+251+145=774294+(465-408)=351206+44×8=55893×2=186111-(392-374)=93152-100-11=411/7+5/7=6/7299-263=36481+490+984=1955354-79=275395-132+679=942648-340=308351-153=198562-415-146=1184×4-508=228164×8=1312852-176×2=500518×5=2590972-(67+224)=681259-228+452=483366-25×6=216707-(57+53)=597697+49+25=771312+955-580=687714-133×3=315291×9=2619725-492=233789+(834-316)=130784×3=252323×2-451=195273×7-884=1027589+147×6=1471957-198-572=187614+484=1098928-135-699=94746-(656-229)=319140+782-336=586442-(237+83)=122495+(402-186)=711868×5=4340151-104+360=407157-42+123=238910-723+921=1108437+247+263=94782-(343-295)=34316+162-373=105349+(470-59)=760641-108×4=209174-(313-243)=104752×(129-124)=3760193+237=430942+306=1248224×3=67227×9+147=390415-196×2=23850+(523-473)=900361-109=252283+313+303=89983+353=436294-(175-172)=291127+(254-225)=15683×(351-343)=664126×7=882162×5+357=1167773-52+457=1178969-54×8=537419-235+189=373987+667-832=822298+(487-81)=704293-(661-423)=55393-124-94=175802+466=1268752+107-547=312266×(153-150)=798538×9-730=4112269-(107-17)=179338+393+51=782975×9=8775960-459-16=485898-(949-521)=470264+94×2=452154×5=770349-32×2=285788×9-257=6835828-310=518135+443+89=667815-588+852=10794/8-3/8=1/8145-30-63=52232+299+259=790173+198-148=223312×2-24=60022-(405-392)=9366-(107+257)=2642-70=572482-(32+416)=34496+181=677331+44-231=144424-92×4=56105×(200-192)=840462×7=3234420-235=185412×2+528=1352117+572=689129-17+42=154669+84+85=838486-421+322=387381-(69+141)=171281×3+905=1748296+102+467=86583+133=21660×5=300163×4=652303-197-73=33190×4-227=53374+674+168=916315-(315-61)=61516-(592-400)=324903-(327+79)=497520+344+58=922571×8-513=4055319+340-425=234395-94-37=264524×9=4716357+997+647=2001283+(468-107)=644486-65=421686+(387-143)=930647-625+716=73818+402-248=172961-39=922130×6-403=377383-307+352=428445-173=272390-193+52=249189×(333-330)=567336+187+451=97461+(859-597)=323408-142-170=96732-(33+65)=63470×9=630282×(225-217)=2256285+(211-52)=444441-246-163=324/9-1/9=3/9128-86+234=27686+257-172=171828×6=4968311-237-68=6755×(110-107)=2265424+(730-31)=1123499+204-318=385329-(45+101)=183181×4-339=385708-608-30=7071+276-257=90726+562-132=1156624-51-169=40474-(327-317)=6483×(450-446)=332880+62+19=961379+(980-659)=700236+85×5=661486+(448-273)=661415+73=488391×9-277=3242894-(831-461)=524183+193=376345+138+154=637577-(867-645)=355797×4-93=3095854+(496-252)=109855×(196-187)=495474-348-19=107876-457-390=29442-(238+173)=31387-263=124446×(822-819)=133844×(119-110)=396322-142×2=38753×(906-898)=6024156+349+834=1339689-137+490=1042559+(887-88)=1358197-(337-208)=68465×6-896=1894468-168+647=947452-(194+79)=179464-(37+28)=399368-232+45=181444-259-135=50638-411=227499+(455-164)=79069+202-257=14466-(15+180)=271264+175-383=56234+(366-141)=45959×8+39=511831×9-809=6670401-175-104=122257×2=514934+(966-854)=1046771+(327-118)=98050×(287-281)=300139+137-209=67317+393+931=1641383-98-114=1714/7+2/7=6/7339-(416-141)=64987-352-598=37255-31×8=7558-337=221147-136+15=2697+39×6=331168+231-377=22208+183×3=757253+61=314161×(397-391)=966163+586=749460-40-165=25532+58=90453-66-143=244271-201+387=457155×3-170=29560×(240-234)=36093×5=465809-237=572327-41×2=245982-801+868=1049136×5+177=857838-367+928=1399924-556+99=467406×2-47=765110×4=440757×8=6056113×2+52=278427-(210+76)=141487-220×2=47332+907-181=1058159×4+631=1267969-114×7=171421×2-497=34549×9+156=597195-48=147252+492+542=1286978×(330-322)=782451×(61-58)=153430×4-102=1618834-(652+80)=102997+(932-844)=1085608×3-885=939615×(699-694)=3075913-(673+202)=38151×5=755283+68×7=759223+40-216=47495+90×3=765182-(473-450)=159379-57×6=37809-(732-578)=655265+(247-211)=30118×6+292=40059×2=118531+(689-644)=576498-(232+84)=182616+879+921=2416366×(703-699)=1464859-132×5=199465-331+187=321733-486+174=42189+97=186411+733-276=868767-168×4=9596×(50-47)=288174+248-341=81627×8-311=4705941-(431+338)=172150+101×5=655502-201+874=1175105×(366-357)=945323+(747-33)=1037379+101=48034×(41-36)=170348-(489-191)=50982-897-79=6215×2+732=1162812+428×2=1668324-274+809=859366-88-135=143184×(112-108)=736249+245-397=97149×3=447209-146+86=14956×5+405=685460×6-757=2003219×3+331=988290+59-320=29158+285=443108+389=497124+323=447151×6=906436-(134+234)=68150+(355-219)=286949-121-802=26165+429-441=153175+113=288490×2+484=1464924-268=656426-(129+62)=235620×6-242=3478368-65=303309-(368-223)=164700+524-923=301493+(231-52)=672402+156+962=1520439-343=96581×7-541=3526277×2+195=749496-194=302629×(697-692)=3145260-60+706=906365-22×5=255512+270+172=954158×2+779=1095225+99×3=522903×9-610=751779+368-107=340927+276+548=1751422×(688-682)=2532703+58×3=877964+372-412=924309+190-463=36183-112=71481-221-217=43705-364-76=265761-93×3=482482+(119-54)=547199+193×4=971996+(932-98)=183012+486+334=832850+274×3=1672330+159×6=1284118×4=472395-365=30320+(385-258)=447745×3-78=21573/7+2/7=5/7412+171×3=925134×4=536620-20-336=264745-(433-180)=492362-304=58304-(218-122)=208990+850-283=1557187-(460-380)=1071/6+4/6=5/6308×2-313=30387+202-231=58638+926-444=1120377-252=125842+690+551=2083266+75=341246-232+297=311167×4=668237-42×2=153900-293×2=314351-24-309=18360-(206-33)=187148×4=592188×5-679=261851+86-259=678371-38×6=1432/7-1/7=1/7396-273+461=584790+151=941462-(170+162)=130748×4-116=2876824-(623-482)=683403-65-43=29531+432+71=53495×(885-876)=855263-66×3=65162×5-228=582466-11-437=18385+14+12=411206×(231-228)=618194×5+624=1594773-683+743=833141-131+112=122188+470=658438-(375-239)=302348-95-177=76296-14×4=240282+59×6=636357+270+266=8934/7-2/7=2/7715-541=174110-29=81407-(61-46)=392402×(689-684)=201054+163×5=869781-(257+242)=282546+45+177=768876×(846-839)=6132329-13=316739×8=591262-(149-99)=12585-50×8=185340-234-74=32458-(291+157)=10190-108+244=326629-41×8=301320+184-146=358385-308+161=238292×2=58482+52=134434-121+110=42331×(218-212)=186234-(319-198)=113481+242+547=1270259+524=783834-(441+352)=41120-83+76=113626+811+752=2189389-(444-167)=112493-33-337=123362-(272-200)=290580×3=1740973-73×4=681278+(802-439)=641157×6-538=40486+51=137187-(310-137)=14136+(169-123)=182325-(936-918)=3071/5+3/5=4/5887-(398-321)=81029+362+328=719438-(442-349)=345278-166-104=8253+73-85=241268-(327-283)=224105×3+919=1234134+521=6553/7-2/7=1/727×(197-192)=135370+(431-244)=557990-90-801=99227+(809-436)=600315+124=439348-(28+25)=29557+88=145692-(841-771)=6227/10-2/10=5/10625-(72+245)=308296+393=689928+346=1274277+118=395437+52-207=282481+(427-114)=794146+297=44347×4-55=13359+283-94=24833×8-90=174475-262=213291×3+891=1764223-204=19633+146+268=1047130×(137-131)=780429-36×7=177229×(632-627)=1145203-172+379=410311+183-389=10592×6+476=1028973-(174+157)=642731-222=509667×2-58=12764/6+2/6=1394+406+835=1635732+(921-748)=905118-43+211=286255+208-219=244407-220+176=363100×7-116=584648×6-472=3416430×2-727=133627+145=772963+(953-872)=1044457+40+260=757402-(163+196)=43449-162-241=46876-(304+387)=185261+39+360=660323-148×2=27217+(636-391)=462208-29=179383×9-690=2757118-49+252=321435-11×2=413633-45=588282+192=474110+56=166775×(964-956)=6200486+685-277=894277+179+913=1369333-140-24=169130+202=33266+798+68=932399-125×3=24343-(142+33)=168188-(79+101)=873×(100-93)=511461×4=1844316-(196+114)=6891+275-525=641205-32×3=109233×2+82=548471-51=420970×4=3880295×3-119=766545+877-685=737291×6=1746990-(805-150)=335348×(425-419)=2088342+249×2=840392-21×4=308481-84×4=145539+(930-330)=1139463-(87+227)=149798-222+493=1069483+840+816=213959×7=413626-221=405353+40+264=657278+55×9=773124×(744-738)=744839+682+533=2054933-170=763736+40×3=856428-(250+165)=1374×7=51880+562+263=905370-220+173=323280-116=164133×(467-460)=931890-601=289769-470-204=95317×(428-424)=1268385+158×5=117560+157=217691-(20+99)=572452+911+82=1445902-438+167=631289+(237-52)=474829+823+832=2484956-140×2=676519-(37+107)=375818-309=509804-19×5=709100×7=700439-203+128=364345-63×4=93919-442+143=620206-(37+110)=59402-50×2=302338-109×3=11130×(261-254)=910944-(303+284)=357211+258=469547×8=437651+268=319119×(324-320)=476316-13-176=127459-(472-58)=45151×2-289=1310+(286-140)=156367-308-15=44493+61×2=615939-115×8=19384-153=231232×9-610=1478229×(62-53)=2061125+79=204528-(151-81)=458475-350=12578+48+137=263428-96×3=140340+93-240=193130+81-118=93308-(480-176)=4154×4=616168-64=104149-21×3=86162×(39