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70×4+882=782-(686+33)=522-46×3=350-(67+252)=414+621-812=276×3-694=81×(352-344)=52×4=419+648=410+(818-537)=460-(422-416)=59×(471-464)=96+171=4/6-1/6=18×3=1/8+5/8=380-31×9=392-56+43=82×(91-85)=436-53-250=742-608-72=996-655=953+(906-539)=63×(347-338)=224+567=785-(543+200)=185×2+79=200-46-148=861-(823-286)=779+869+216=734×(571-568)=134+109=85×6=866+592=119+331-10=172×(480-477)=563+79×3=283-16-133=322-(234-94)=304+270=21×6-66=365+(900-887)=709-(736-380)=89+(844-132)=234×3=11×(353-349)=855-(152+674)=873+(847-41)=298×2=4/7-1/7=600-(982-760)=276+147-261=212-75-134=449×5=103+(472-211)=684+(718-353)=476-267=394-66=825-214=158-77=989+(780-519)=312-148=395-15×8=289+58-228=181×5=440-216+168=354×4=484-(30+384)=330×3-113=495-131=479-98-193=833×3-507=434-(163+163)=217×(94-90)=114×(360-352)=577-(931-450)=234×(461-457)=327×3=792-(25+196)=126+(329-285)=303-39×2=994-(894-794)=418×(935-931)=306+(429-296)=221-17+186=44×(342-335)=918+(460-365)=919+(431-322)=103×(368-362)=240+751-706=257×9=63×(433-426)=59×9=963-(107+110)=604-205+129=866-54×3=260-(232-153)=416+(257-110)=874-36×9=788-578=943×8=29+(183-161)=775+(964-740)=338-25×5=308-239=58+461+115=137+(214-78)=385-(359+16)=395-(956-914)=718-507=444×2-438=680+237+311=689-102=114×2+277=878-249=451+375+112=206×2=598-163×3=79×7+994=690-205=425×4=335+(299-254)=278+113=308-(134-124)=903-98×2=199×2=150×(595-591)=129+357-171=396-279+255=164-15×4=838-355+836=387-72=16×5=78+217=480-133-268=136+575+52=162×4=348-29×4=105×2+372=459+975=940-323-72=440+(488-285)=446-313=396-57×4=157+664+101=740+308-924=816-380-321=12+373-134=102+293×3=379-101=146+331×2=293+(867-675)=112×6=966-295-131=489-329-123=827-(720-616)=539+113+529=907-446-216=456×2=867+561-369=968-240-696=389×2+203=19+(374-229)=156×4=637-(276+268)=38+90=606+372=273+162-149=209+156-200=440×(722-715)=77+347-32=789-56-713=84+(282-151)=889+298-563=440-345-62=489×(488-484)=441-(367+32)=220-(99+110)=93-(342-319)=83×6+158=289×3-98=406+(220-189)=898+(943-942)=380-88-243=725×7=376-110=451-227-223=229+205-148=108×(495-490)=481-98-143=656-(56+156)=293-61=368-(259-248)=687×2=3/7+2/7=295+464+107=294+(229-52)=495-162×2=592+875=350-52×3=284-64+276=510×6=889-207-150=806-(963-888)=651-(868-218)=426-370=421×(485-482)=268+48×7=245+(422-177)=73+245=106+427+481=100+182=257-90=184+181=297+101×8=43×9-117=196-138+149=776-217-109=451-(50+354)=856×4=170×2=366-13×4=616-43+624=495+(382-162)=471-176-174=485-139=10+321-152=389-364+470=875+704=146×4+187=208+342=611-(850-255)=281-202=450-187+228=376-47×8=386-52×6=977+475=205+303+446=392-(179-93)=478-233=925-148=108×6+186=672+228-226=942+968+315=193×5=18×4=68×(146-141)=508×8-444=1/6+5/6=84×6-257=361-98=266×2-95=498-370-61=56×(200-194)=281-216+223=4/7-2/7=135+316-305=233×6-15=994+274×3=238-22-18=961-(259-189)=930-(408+351)=910-635+13=331+83=234×3-110=280+30×4=172×4+86=272-110×2=270-(162-153)=458-(104+217)=777-(470+272)=413×2-279=460+98=216+258=106×3+315=139+254+501=375-(284+85)=314+137×3=323-(439-387)=444-247+147=87×4+418=605-15×9=823-(468-288)=6/10-3/10=614×(591-586)=930×7=440-405+709=330+109-68=870-290-207=411×(595-591)=508×(910-903)=55+121=974-600=270+193-425=343-321+122=333+711-202=476×6=63-(183-177)=364-217=304×2=84×9+523=371-340+220=279+(384-275)=136+383+385=663+(478-313)=648×4=296+484=5/8-1/8=269+437-442=69+138×5=443+(178-57)=562×(249-246)=655-262-328=311×7-143=279-212=552-277+41=851×3=430-(451-239)=441-92×2=202-54×2=305-41×7=590+(837-271)=498+(237-27)=164+714=345+36-187=586-35×7=306-58+184=69+(726-492)=288+172×4=35×3=410-(44+98)=383-40×2=79+27-86=401-304+281=219+136=142×(789-786)=194-79=240+181+867=986+11×7=919+(504-59)=164×4-105=543-(303+139)=260-76=329×5-266=163+135=730+110×3=230+(385-144)=516×7-163=482-114×3=176+258=3/5+2/5=195-43-53=462-58+599=281×(366-363)=179×(391-386)=920-65×5=68+675-641=493-(16+260)=287-267+545=473+228+295=904-488=68×6=167×5-413=99×9+29=270-(144+20)=4/8-1/8=331-(663-368)=23×6=480×2-213=57-56+313=87×6-326=663-(312+171)=841-458=832-243-148=3/6-2/6=395+15+225=28+307-272=293-38-22=813-26-636=296-(264+26)=284-(202-55)=436-160-138=158+424+398=487-(143-85)=60+40=470-169-51=997-(91+19)=862-(831-555)=953-937=289×3-191=127+30+361=243+150×4=121×5-423=358-(461-332)=401-70-148=119×3-66=229×(328-325)=834-741+445=853-336-319=34×(33-24)=819-776+176=967-124-403=457-214×2=917-(97+563)=82×6+681=437-90-65=70+160=276-37×5=387+345+172=407-184=804×(877-873)=94+294=271-224+16=93-(240-237)=286+829=314+874-28=89+124=1/6+3/6=450-318+59=137×4-240=733-(135+505)=53×9+645=197+73+35=155×(420-417)=87+168=553-142×2=647+955=497-311-125=612-(171+394)=133×3+252=475×2-57=593-(669-564)=875-805+924=301-(287-60)=421-118+61=369-86-257=114+36=341-275+233=196+93+620=984-(196-34)=961+17×6=460-20×7=452-122=189×4+162=399-37-150=381+883+308=45+218-222=20+340-155=113×7-513=392-232-89=829-440+298=370-153=884-216+767=202×2+344=644-244+194=368+(473-359)=305×2+26=20+(351-339)=178-77+348=71+316+398=169+77+79=4/7+2/7=629+(743-143)=81-40+102=270+(338-171)=465-136×2=223×4-522=555-103=43+439-299=667-67×6=101-90+55=58×(255-247)=2/9-1/9=41-28=991-(447+96)=615+752-930=200×4-391=741×4=66×5=85+(821-622)=768-236×3=350-55+27=479-393+341=349-42×8=465×7-257=757+420-888=391+101=821-380=371×5-77=369+253+358=401-125+22=407+281+137=903-(184+237)=491+58×5=170+405-205=343-(430-375)=530+24×2=233+369=961-10-11=119+23+546=833-398=440+802-742=219×(423-419)=633+201=623-312+831=476-(26-16)=173×3+187=244-(178+12)=398+51-401=421+(187-51)=633×2=121+157-256=905-618=22+155-115=418×6-922=148+167+948=671-338+540=104×9+181=954-45×3=455-43×7=103+835+112=108+59=570×3-374=208+248=211+140×5=154-33×3=4/8+2/8=630×7-75=611×(111-108)=866-132×4=211-48×2=458-138-240=905+897-600=131+191×4=475+134×5=294-(46+208)=12×(263-258)=833-(456+186)=693-94×6=227-(507-472)=470-31-361=870×(782-777)=653-89×4=652-85×7=567-(108+116)=75×(307-303)=85+258+506=135×(449-446)=792+898+127=447+(397-23)=395-(276+33)=110+656=324-(222-145)=441-(74+260)=210+138+392=521-(772-636)=514+655-537=814+882-756=893-49-224=427-182=758×3-251=164×5-609=335-214=500-(219-125)=930-(424-388)=453-27-284=111×4=371-(269-140)=124+489+319=225+(276-251)=307-102-80=839×(610-604)=188+60×2=662-(521-291)=863+791=465×8-210=101+373=867-33×6=88×(394-387)=887-862+614=395+(316-152)=614-(321-141)=41+712+29=291-(411-398)=661-43=728×2=834-(488+263)=69+207+682=453-143-85=296-154+147=50×(151-142)=960-242-353=183+10×2=169×2-268=880+(360-293)=402-25×7=205×3=1/8+3/8=267×5-106=308-303+297=519×5=429-(232-40)=366+108+67=339×2-85=510-71+995=876-186-618=291-22=205+26-13=507×4=614-(423-292)=938-40×3=714-(27+42)=191×(302-299)=264-(493-420)=188+286+446=495×9-239=1/7+2/7=499-(223+173)=782×7=309-119×2=402-(25+355)=482×3-402=376-154=494-152=873-(601-293)=384-61×3=675-138+962=796×(302-294)=298+(171-36)=218+453-70=124×5-508=929-(213+449)=840-45=653+(307-51)=215×2-184=864×(967-964)=718+(959-135)=660×3-124=50×(413-404)=6/10+4/10=595+864-722=116-(173-172)=563+298+105=896+77+567=158+155+636=48×5+199=436-291-140=477-51=628×7-836=942+425+238=437+577+707=509-(980-893)=304-65=844+733+375=392+634-328=445-277-123=854-223-381=427×(625-618)=185+50×5=967-758=248+118=834-290=423-(46+272)=646+21×6=923+331-201=95-37=212×3=387+(214-134)=3/4-1/4=23+436-308=117+(167-108)=572×(404-396)=124×4+467=71+138=489+36+119=580×3-127=399-(91+122)=317-15=939-605-298=585+173×5=971-195×3=849-171×4=247×6=189+131+142=633-517+89=344-298+281=832-(291+411)=942×5=423-136×2=3/6+2/6=922-363+749=640-(944-594)=421-198=110+90=156+255=394+79=81+(367-199)=326×3=4/8-3/8=193×2=362+(429-288)=170+102×4=600-44×9=394+992-810=156+177-191=968×(701-694)=955+433-653=533+684-81=290+(357-83)=483-(77+334)=353-240+190=158+220+23=32+963+361=225-16×2=972-592-195=10×(114-110)=239+191=368-162-145=433×2=345-216+118=521-452-61=575+437-244=555+59×6=282+(446-79)=299×3-837=85+563+60=769-(13+313)=273×2+436=979-(799-577)=583+579+327=993-193=360+66-304=285×2=803-84×5=90×7+648=273-(135+119)=163×(438-432)=5/10+3/10=729-47×9=285+979=995×(620-612)=791-726+501=357×2-627=290×4-490=982-94-597=549×(244-238)=269+324=974×3=43×(856-852)=86+89=44×6+401=916-(163+105)=226-(78+140)=197-(467-426)=260+156×4=71×6=199×3+34=703+565+232=706-11×2=763-229-440=775-(984-751)=514×3-144=387+481+119=341+94×6=221×3-115=54×6+653=535-145-352=266+(430-33)=290+840+731=244+240=309×3-697=427-315+432=443+790=14×(315-309)=867×4=96+209-262=971-(773-723)=187-(327-227)=474+215-477=794-422-342=139+201=761+354+635=947-66+606=153+616=374-(238+71)=248+108+824=12+146×3=490-(112-62)=129+93-200=165×7=151×7-363=898×(798-791)=883+(868-352)=588+(487-174)=501×4-319=25+385-112=263-89+171=122×4=209×(112-109)=960+(643-33)=653+113+48=317+124=148+705-324=5/10-2/10=264-42-136=353-(17+57)=70×4=876-298=329-(234+84)=921×(83-75)=135+(424-230)=495-(110+304)=100×2=532-(111+181)=35+191×5=460-441+319=436+317+188=481-(446-374)=56×6+15=152-(128-112)=3/9-1/9=736-(726-14)=785-321=144+98=227+120-238=215-83+680=56×5-148=464-(241+130)=385+259+124=349-(147+171)=918+406-741=685×5-819=18+25+829=842×2-169=752-296×2=846-312×2=76+186=818+(769-577)=257-11×4=199×3-58=962+615+499=254-126+284=654-95×4=209×3-457=871+31+759=408-(26+369)=526+40-58=126+256-170=348-38×2=380-(815-597)=254-(17+13)=461×2=161+(399-160)=539+375=298×3-27=791-(138+510)=368×(948-942)=996-471+492=252-142=946×(693-685)=212-(10+116)=333-229+60=446-198=136×4=参考答案70×4+882=1162782-(686+33)=63522-46×3=384350-(67+252)=31414+621-812=223276×3-694=13481×(352-344)=64852×4=208419+648=1067410+(818-537)=691460-(422-416)=45459×(471-464)=41396+171=2674/6-1/6=3/618×3=541/8+5/8=6/8380-31×9=101392-56+43=37982×(91-85)=492436-53-250=133742-608-72=62996-655=341953+(906-539)=132063×(347-338)=567224+567=791785-(543+200)=42185×2+79=449200-46-148=6861-(823-286)=324779+869+216=1864734×(571-568)=2202134+109=24385×6=510866+592=1458119+331-10=440172×(480-477)=516563+79×3=800283-16-133=134322-(234-94)=182304+270=57421×6-66=60365+(900-887)=378709-(736-380)=35389+(844-132)=801234×3=70211×(353-349)=44855-(152+674)=29873+(847-41)=1679298×2=5964/7-1/7=3/7600-(982-760)=378276+147-261=162212-75-134=3449×5=2245103+(472-211)=364684+(718-353)=1049476-267=209394-66=328825-214=611158-77=81989+(780-519)=1250312-148=164395-15×8=275289+58-228=119181×5=905440-216+168=392354×4=1416484-(30+384)=70330×3-113=877495-131=364479-98-193=188833×3-507=1992434-(163+163)=108217×(94-90)=868114×(360-352)=912577-(931-450)=96234×(461-457)=936327×3=981792-(25+196)=571126+(329-285)=170303-39×2=225994-(894-794)=894418×(935-931)=1672306+(429-296)=439221-17+186=39044×(342-335)=308918+(460-365)=1013919+(431-322)=1028103×(368-362)=618240+751-706=285257×9=231363×(433-426)=44159×9=531963-(107+110)=746604-205+129=528866-54×3=704260-(232-153)=181416+(257-110)=563874-36×9=550788-578=210943×8=754429+(183-161)=51775+(964-740)=999338-25×5=213308-239=6958+461+115=634137+(214-78)=273385-(359+16)=10395-(956-914)=353718-507=211444×2-438=450680+237+311=1228689-102=587114×2+277=505878-249=629451+375+112=938206×2=412598-163×3=10979×7+994=1547690-205=485425×4=1700335+(299-254)=380278+113=391308-(134-124)=298903-98×2=707199×2=398150×(595-591)=600129+357-171=315396-279+255=372164-15×4=104838-355+836=1319387-72=31516×5=8078+217=295480-133-268=79136+575+52=763162×4=648348-29×4=232105×2+372=582459+975=1434940-323-72=545440+(488-285)=643446-313=133396-57×4=168157+664+101=922740+308-924=124816-380-321=11512+373-134=251102+293×3=981379-101=278146+331×2=808293+(867-675)=485112×6=672966-295-131=540489-329-123=37827-(720-616)=723539+113+529=1181907-446-216=245456×2=912867+561-369=1059968-240-696=32389×2+203=98119+(374-229)=164156×4=624637-(276+268)=9338+90=128606+372=978273+162-149=286209+156-200=165440×(722-715)=308077+347-32=392789-56-713=2084+(282-151)=215889+298-563=624440-345-62=33489×(488-484)=1956441-(367+32)=42220-(99+110)=1193-(342-319)=7083×6+158=656289×3-98=769406+(220-189)=437898+(943-942)=899380-88-243=49725×7=5075376-110=266451-227-223=1229+205-148=286108×(495-490)=540481-98-143=240656-(56+156)=444293-61=232368-(259-248)=357687×2=13743/7+2/7=5/7295+464+107=866294+(229-52)=471495-162×2=171592+875=1467350-52×3=194284-64+276=496510×6=3060889-207-150=532806-(963-888)=731651-(868-218)=1426-370=56421×(485-482)=1263268+48×7=604245+(422-177)=49073+245=318106+427+481=1014100+182=282257-90=167184+181=365297+101×8=110543×9-117=270196-138+149=207776-217-109=450451-(50+354)=47856×4=3424170×2=340366-13×4=314616-43+624=1197495+(382-162)=715471-176-174=121485-139=34610+321-152=179389-364+470=495875+704=1579146×4+187=771208+342=550611-(850-255)=16281-202=79450-187+228=491376-47×8=0386-52×6=74977+475=1452205+303+446=954392-(179-93)=306478-233=245925-148=777108×6+186=834672+228-226=674942+968+315=2225193×5=96518×4=7268×(146-141)=340508×8-444=36201/6+5/6=184×6-257=247361-98=263266×2-95=437498-370-61=6756×(200-194)=336281-216+223=2884/7-2/7=2/7135+316-305=146233×6-15=1383994+274×3=1816238-22-18=198961-(259-189)=891930-(408+351)=171910-635+13=288331+83=414234×3-110=592280+30×4=400172×4+86=774272-110×2=52270-(162-153)=261458-(104+217)=137777-(470+272)=35413×2-279=547460+98=558216+258=474106×3+315=633139+254+501=894375-(284+85)=6314+137×3=725323-(439-387)=271444-247+147=34487×4+418=766605-15×9=470823-(468-288)=6436/10-3/10=3/10614×(591-586)=3070930×7=6510440-405+709=744330+109-68=371870-290-207=373411×(595-591)=1644508×(910-903)=355655+121=176974-600=374270+193-425=38343-321+122=144333+711-202=842476×6=285663-(183-177)=57364-217=147304×2=60884×9+523=1279371-340+220=251279+(384-275)=388136+383+385=904663+(478-313)=828648×4=2592296+484=7805/8-1/8=4/8269+437-442=26469+138×5=759443+(178-57)=564562×(249-246)=1686655-262-328=65311×7-143=2034279-212=67552-277+41=316851×3=2553430-(451-239)=218441-92×2=257202-54×2=94305-41×7=18590+(837-271)=1156498+(237-27)=708164+714=878345+36-187=194586-35×7=341306-58+184=43269+(726-492)=303288+172×4=97635×3=105410-(44+98)=268383-40×2=30379+27-86=20401-304+281=378219+136=355142×(789-786)=426194-79=115240+181+867=1288986+11×7=1063919+(504-59)=1364164×4-105=551543-(303+139)=101260-76=184329×5-266=1379163+135=298730+110×3=1060230+(385-144)=471516×7-163=3449482-114×3=140176+258=4343/5+2/5=1195-43-53=99462-58+599=1003281×(366-363)=843179×(391-386)=895920-65×5=59568+675-641=102493-(16+260)=217287-267+545=565473+228+295=996904-488=41668×6=408167×5-413=42299×9+29=920270-(144+20)=1064/8-1/8=3/8331-(663-368)=3623×6=138480×2-213=74757-56+313=31487×6-326=196663-(312+171)=180841-458=383832-243-148=4413/6-2/6=1/6395+15+225=63528+307-272=63293-38-22=233813-26-636=151296-(264+26)=6284-(202-55)=137436-160-138=138158+424+398=980487-(143-85)=42960+40=100470-169-51=250997-(91+19)=887862-(831-555)=586953-937=16289×3-191=676127+30+361=518243+150×4=843121×5-423=182358-(461-332)=229401-70-148=183119×3-66=291229×(328-325)=687834-741+445=538853-336-319=19834×(33-24)=306819-776+176=219967-124-403=440457-214×2=29917-(97+563)=25782×6+681=1173437-90-65=28270+160=230276-37×5=91387+345+172=904407-184=223804×(877-873)=321694+294=388271-224+16=6393-(240-237)=90286+829=1115314+874-28=116089+124=2131/6+3/6=4/6450-318+59=191137×4-240=308733-(135+505)=9353×9+645=1122197+73+35=305155×(420-417)=46587+168=255553-142×2=269647+955=1602497-311-125=61612-(171+394)=47133×3+252=651475×2-57=893593-(669-564)=488875-805+924=994301-(287-60)=74421-118+61=364369-86-257=26114+36=150341-275+233=299196+93+620=909984-(196-34)=822961+17×6=1063460-20×7=320452-122=330189×4+162=918399-37-150=212381+883+308=157245+218-222=4120+340-155=205113×7-513=278392-232-89=71829-440+298=687370-153=217884-216+767=1435202×2+344=748644-244+194=594368+(473-359)=482305×2+26=63620+(351-339)=32178-77+348=44971+316+398=785169+77+79=3254/7+2/7=6/7629+(743-143)=122981-40+102=143270+(338-171)=437465-136×2=193223×4-522=370555-103=45243+439-299=183667-67×6=265101-90+55=6658×(255-247)=4642/9-1/9=1/941-28=13991-(447+96)=448615+752-930=437200×4-391=409741×4=296466×5=33085+(821-622)=284768-236×3=60350-55+27=322479-393+341=427349-42×8=13465×7-257=2998757+420-888=289391+101=492821-380=441371×5-77=1778369+253+358=980401-125+22=298407+281+137=825903-(184+237)=482491+58×5=781170+405-205=370343-(430-375)=288530+24×2=578233+369=602961-10-11=940119+23+546=688833-398=435440+802-742=500219×(423-419)=876633+201=834623-312+831=1142476-(26-16)=466173×3+187=706244-(178+12)=54398+51-401=48421+(187-51)=557633×2=1266121+157-256=22905-618=28722+155-115=62418×6-922=1586148+167+948=1263671-338+540=873104×9+181=1117954-45×3=819455-43×7=154103+835+112=1050108+59=167570×3-374=1336208+248=456211+140×5=911154-33×3=554/8+2/8=6/8630×7-75=4335611×(111-108)=1833866-132×4=338211-48×2=115458-138-240=80905+897-600=1202131+191×4=895475+134×5=1145294-(46+208)=4012×(263-258)=60833-(456+186)=191693-94×6=129227-(507-472)=192470-31-361=78870×(782-777)=4350653-89×4=297652-85×7=57567-(108+116)=34375×(307-303)=30085+258+506=849135×(449-446)=405792+898+127=1817447+(397-23)=821395-(276+33)=86110+656=766324-(222-145)=247441-(74+260)=107210+138+392=740521-(772-636)=385514+655-537=632814+882-756=940893-49-224=620427-182=245758×3-251=2023164×5-609=211335-214=121500-(219-125)=406930-(424-388)=894453-27-284=142111×4=444371-(269-140)=242124+489+319=932225+(276-251)=250307-102-80=125839×(610-604)=5034188+60×2=308662-(521-291)=432863+791=1654465×8-210=3510101+373=474867-33×6=66988×(394-387)=616887-862+614=639395+(316-152)=559614-(321-141)=43441+712+29=782291-(411-398)=278661-43=618728×2=1456834-(488+263)=8369+207+682=958453-143-85=225296-154+147=28950×(151-142)=450960-242-353=365183+10×2=203169×2-268=70880+(360-293)=947402-25×7=227205×3=6151/8+3/8=4/8267×5-106=1229308-303+297=302519×5=2595429-(232-40)=237366+108+67=541339×2-85=593510-71+995=1434876-186-618=72291-22=269205+26-13=218507×4=2028614-(423-292)=483938-40×3=818714-(27+42)=645191×(302-299)=573264-(493-420)=191188+286+446=920495×9-239=42161/7+2/7=3/7499-(223+173)=103782×7=5474309-119×2=71402-(25+355)=22482×3-402=1044376-154=222494-152=342873-(601-293)=565384-61×3=201675-138+962=1499796×(302-294)=6368298+(171-36)=433218+453-70=601124×5-508=112929-(213+449)=267840-45=795653+(307-51)=909215×2-184=246864×(967-964)=2592718+(959-135)=1542660×3-124=185650×(413-404)=4506/10+4/10=1595+864-722=737116-(173-172)=115563+298+105=966896+77+567=1540158+155+636=94948×5+199=439436-291-140=5477-51=426628×7-836=3560942+425+238=1605437+577+707=1721509-(980-893)=422304-65=239844+733+375=1952392+634-328=698445-277-123=45854-223-381=250427×(625-618)=2989185+50×5=435967-758=209248+118=366834-290=544423-(46+272)=105646+21×6=772923+331-201=105395-37=58212×3=636387+(214-134)=4673/4-1/4=2/423+436-308=151117+(167-108)=176572×(404-396)=4576124×4+467=96371+138=209489+36+119=644580×3-127=1613399-(91+122)=186317-15=302939-605-298=36585+173×5=1450971-195×3=386849-171×4=165247×6=1482189+131+142=462633-517+89=205344-298+281=327832-(291+411)=130942×5=4710423-136×2=1513/6+2/6=5/6922-363+749=1308640-(944-594)=290421-198=223110+90=200156+255=411394+79=47381+(367-199)=249326×3=9784/8-3/8=1/8193×2=386362+(429-288)=503170+102×4=578600-44×9=204394+992-810=576156+177-191=142968×(701-694)=6776955+433-653=735533+684-81=1136290+(357-83)=564483-(77+334)=72353-240+190=303158+220+23=