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146-(334-256)=192-12×4=425+191-73=556+(774-329)=494-246=239×3-310=641+859=102+41=983-85×3=328+52×5=440-335=278-70+86=43+77=899-157×3=761-136=23×5=108×2=51+172+648=385-(23+267)=846-323-71=784-(111+638)=443-215+258=427×6-145=618-538+295=818-76×4=171+350=156×4+344=143×5=453-32×5=902-270-357=253+172×2=701+(703-251)=876+(978-760)=280-122+539=795-146×5=225×4=447-(472-221)=19+561+110=681-(27+607)=131×3-326=770-(943-844)=688-226-311=424-196+266=92+(159-32)=510-(50+67)=717-393+975=476×2-649=417-(222+187)=273+204-298=288+54×4=124+443+139=795-(187+536)=229+(404-231)=133+40×2=686+(889-402)=298×3+79=682-307-297=200×8=17×(191-187)=680-489=799+286+448=492-47=420×5-988=246-130=129×(247-242)=708×4-245=474×9-405=473-(92+203)=751-219-147=101×2=905-(829-566)=378×(407-398)=833×5-259=322-(183-88)=2/8+3/8=409-(100+163)=326-68×2=436-187×2=153×(435-432)=327-(291-138)=402×6=459×2=228+(407-61)=110×9-25=288+434-292=800+838=361×3-438=174-(325-303)=91+282×2=917-225-349=473×(116-109)=881-(86+443)=471-137+86=408-231+63=363-323=84×(83-78)=2/9+3/9=100×5-172=651+364×2=926+506=682-(480+143)=136×(252-249)=425+52-263=826-(741-219)=370+(455-131)=771+986-51=156+476+77=425-99×3=183×2=357-191=298×7-627=299×3-530=787-435-107=435-(234+91)=303×3+420=349×2=247+161+310=54×5=85×2=103+82=302-299+337=718-(998-720)=213+(465-98)=221+35×9=438-335+56=299×(97-94)=353-253=308+103-329=476-(21+359)=515+116×6=192+168+322=995-(125+834)=503-327+488=200+106=490-85×2=50×9=486-(247+171)=596+659-437=397+123=103×(125-120)=322×8=232×(355-352)=294-(398-204)=3/6+2/6=992+59+785=181+122=687-14-173=433-399+220=335+(278-16)=483-(26+46)=582+180×4=751+454-255=216-82=67×7-440=657-(237+252)=403+76×6=607+608-814=413-33×8=350-(320-252)=221-53-27=712-68×5=812+847-765=918-(454+146)=927+912-722=714-325=375-110-114=26+(556-33)=993+49×9=461+382+960=350+(904-623)=100×8+45=263-68×3=471-(139+255)=12×5+784=493-(303+44)=920×7=706+18-168=752-197×3=45×5=218×(132-129)=73+282=703-(472-212)=216×3+57=89-26+369=3/5-2/5=937+391-293=354-(350-230)=225×(313-310)=120×3=953+54×3=43+(994-75)=941-186+374=368×2=59+(63-52)=1/7+4/7=228-121=439-79-320=665×(686-683)=474×2-662=857+417-998=288+182=27+456-465=414-28×6=226-176+190=945-208-638=387-(189+35)=907-828=611×3=2/7-1/7=382-187-72=376-26+321=203×8=415-(77+117)=111+(486-240)=643×8=246-(437-399)=814×7=31+409+452=367+196×2=362+99=139×3+306=14×7=180×(422-418)=827-381+334=726×8-255=943-513-151=974-683=179+523=121+624+28=104+387+808=99×3=287-57×5=347-(42+131)=769+98-30=765-532+361=140+104=815+681+332=912-241=3/9-2/9=241-56=116+456+241=124+(853-567)=227-99=90+111+534=275-63×2=607×8=166+(399-194)=56×3=316-(52+94)=452+(784-523)=218+222-342=60+348+436=430+66-397=76×(238-235)=208-67×3=94-(130-120)=710-(751-576)=77×(167-160)=972-(701-410)=298+223+358=294+149=391+95-283=223-(13+180)=56+278-27=21×5+728=526+286-459=245-83+280=845-373+742=121×6-226=150×4=136+(376-281)=816×8-642=575+269+96=184+98×3=40+158=622+48+324=940-45×4=352-42×2=295×(765-760)=189+207-19=475-388=454-89-213=316+99=691-648-38=417×2+893=329-232+214=173+92+63=635+(645-198)=992-(309+579)=700-333+705=615+119+662=100-(173-78)=209-62-129=61+305-279=499-73-420=110×(556-551)=581+(648-75)=66×(355-348)=690-170-396=310+609+867=417+80×6=81-(197-189)=188×5-556=97×(895-887)=954+(640-455)=97-38=249×4-317=765-111+716=624-48=189-124+236=244-160+632=163×6+131=875×7=451×8-901=232+673+43=335-106=310-(213-75)=36×9+110=291-(17+66)=43-(419-391)=50+21=864-(727-29)=147-90+102=698×4-827=306-181=183-158+254=618-210+564=2/5-1/5=71×8=753×9-713=17×(21-12)=4/7-3/7=485-440+360=101+(915-458)=264×2-263=3/7+2/7=991+515=913-456×2=817+225-775=352-253+247=77+340=925×2=560+764=380-19×4=118+389+413=563+818+502=113×9-508=924-(671-97)=367-(396-169)=383-24=76-(157-118)=541×9-344=122+320=367+(121-118)=810+(792-261)=10×3+223=106+225+322=332+65=74×2+857=491-134×3=110-21×5=319+337+293=518+119+58=166+308-386=57+(482-299)=201-174+97=230+228-217=966+954-87=304-(326-96)=345-91×3=400+15+501=67×(193-186)=85×3+251=90+18-41=487-35×6=192×(196-191)=179-(946-916)=611×6=291-164+809=592-316-67=756-531+288=664×2-368=367-96-220=986-207×4=471-234=272+(291-157)=496-(990-559)=103+34+637=361-83×2=138+454=174-151+384=276-(498-254)=381+937-447=379+213+301=98-(136-121)=788+195=911×(28-23)=12×7+956=210+(422-303)=60×(337-333)=417+199+194=281×3=320×7=755-580-170=637+938+939=697-387-114=791-(460+315)=310+94=450+21-357=736-665=226×7-167=204-15×7=11×(288-284)=87×3+167=313-179-91=193+(399-275)=965-357+537=381-(150+205)=243-(484-469)=188+298+375=553+833+701=349×2+200=427×4=1/6+2/6=685-(824-632)=476-188+17=235×7=102×6+46=415-23×9=130+221-153=482-(553-375)=131+214=418+(372-244)=440-225+237=806-(242+457)=218×(995-987)=198+53=268-63-71=189-30×6=510+428+394=727-(485-176)=670+840+532=352-153-172=14×(294-290)=272-(118+71)=48×(741-737)=4/8-3/8=300-76-176=145-(162-32)=44×6=91-33×2=409+108×4=631-(236+348)=476×(658-649)=330-(91+136)=444-(135+229)=327×2+222=887×3-666=519+133=541-445=475+(304-201)=273+157-198=159×6-289=127×7-174=900-717+532=268-129×2=159+168-35=1/6+3/6=463-(82+112)=194+63=250×2=334+632+952=89×(344-337)=366-(252+103)=298+122×7=77+734-524=206+454+257=481-151+984=192-179=125×(454-448)=687+213+95=300×4=400×2-729=34+107=161+(410-353)=753-(664-139)=551×(61-54)=214×4=19×(451-446)=63×2=862-128-374=255-11+102=211+(96-29)=921+184-655=182+280-228=339×7-857=525+405+345=36+105-117=725×3-871=553×(281-277)=270+91=820+194-545=776×5-96=767+703+535=463-(792-594)=795+217+85=488-118×2=4/7+3/7=2/8-1/8=36×5+478=241-(173-172)=384+93-17=925+769+964=747-(771-283)=578-12×8=808+667=132×(157-154)=482+91+14=2/4-1/4=436-132×2=651×6-719=197×(29-25)=915×7=343×2-618=121×6-351=996+(942-24)=262-125=238×4-16=617+603-127=11+169+390=344-196-44=137+603+644=181×(631-624)=257+66-83=975-240+730=120-(123-17)=193×4-419=16+327×2=113×(181-176)=872+763-662=629+486+532=981-11+808=348+124×3=40×5-140=58×(383-378)=382-98=933-304-198=880-816=665-42-107=692×2=79×8+311=273-(97+103)=436+107=79×9+921=121×8-134=215+549=899-(79+701)=746+41-417=398+(146-13)=244×3+235=168+622+381=659-(403+22)=835+(823-677)=249-68-123=819+(502-111)=53+55×7=108+64×7=43×8=375×2-441=906+681-649=363+(408-238)=641+31×2=779+183+394=335+(128-42)=745-198×3=43×(114-105)=435-(78+42)=1/5+3/5=210×(977-974)=455-82-366=105×4+299=466+48×9=396-28-218=404-258+100=199-82×2=399+(427-384)=49+566+223=473-175-100=483-81×4=162-18=257-(179-40)=645+(90-89)=466-400=875+708=454+66×5=393×(784-775)=252+(146-12)=712-112=449+(309-252)=962-80-33=448-41×9=861-(710-74)=230+483=41+187+182=366-96-122=95×4-230=522-119×4=410-36-218=404-156=193+181=716+(736-64)=951-636=688-527=78×(200-191)=456-42=4/8-1/8=462-126=447-433=323-315+443=669×(227-218)=188×3=480-88-221=136-28+287=610+115×6=108+316=247-134+71=158-(15+43)=463-(306-187)=462+187×2=24×6=33+447-445=1/8+6/8=429×5=200+681=135×7-606=637-72=512-119-118=26+69=540-505+570=157×6=545-(916-650)=416-160-50=698+710-858=738-126×4=661-322=27+135×2=710-267-83=373-(160+14)=86+494=346+(848-342)=238+(432-407)=46+320×3=6/10+2/10=600×(776-769)=208+(193-63)=387+65-13=388-372+29=212-(26+13)=726-(345-187)=229×2-312=706×6-677=972-154=456-(114+141)=443-33×8=363+420-139=203×6=258+226-123=455-(10+275)=759-411-180=306-(134+161)=403-23×6=409-48×7=410+(485-418)=172×5=796-138+207=582×8-859=119×7-379=455+(458-55)=124+347-458=390-110=452-148-11=94×(305-298)=133×(287-278)=875-797=751-(312+418)=283+291×2=899-(476-25)=4/6-1/6=472+41+120=448-50-273=607-(241-201)=318-80=829-407=108-(69+12)=235-122+213=869-(738-154)=176-19×7=189×5-40=962+(793-748)=366+17-26=424-149-226=379-99=684-(972-642)=516+41-452=531-493+239=970-(695-506)=516-(410+30)=720+(927-348)=465-287=7/9-2/9=243×(386-380)=335+(408-199)=393-(132+50)=292-20-166=948-348-444=380-(67+42)=808-469=716-(330+210)=57×7-347=467-200-189=216+108=553×4-233=220-14×3=204+(704-498)=315+110-337=467-(99+206)=177×7-608=297×2=405-92=876+(926-159)=327-288=374+97-203=498-162=419×(712-704)=591×8=607-36×2=203-52×3=754-359=589×(584-575)=869-40×7=316-(442-222)=890+469+438=787-154×3=754-720=276+(380-99)=428-101-299=435×2+775=471-(45+25)=374-(289-66)=285-48=126×3-374=347-(232+50)=672-(830-564)=172×4-580=383-118+189=136×3-14=332-109×3=416-389=299+141=955-17×5=813-780+535=172+209=666×(177-172)=507+164=658-191+39=76+70×2=375-18-181=589-494=18+697-634=437×5-279=85×7+381=81×(130-124)=365-(217+94)=173+224+121=101+50=364+844+136=486×7-928=599-135-424=72×7+320=293-36×3=755-297-393=519-(67+157)=877-699+568=203+183=539-137×3=627×(650-645)=846×6=251-137-83=28×7=234+(982-473)=822-189+665=97×8=796×(670-664)=780-36×2=315-(393-329)=194+83+83=812-513+181=170×(353-348)=559-310=413×(995-988)=496-477=804-(161+305)=476-369-17=906+158=472×2+245=414+(949-586)=982+180+316=87+54=1/3+2/3=158×6+504=213-89-111=142+75=999-(755-522)=817×(742-734)=109+460=256+242-402=199+238-41=353-(319-173)=988+472=44×4+39=229+150=631+220=45+168=52+203=194-72+24=42×2=478-31-147=487-(387+79)=454+449-101=868-40-691=60+(313-88)=336×2=784+359+767=163×(167-159)=443-107×3=402-(44+182)=159+(315-62)=94-(434-425)=165×4-380=224×(125-122)=380-276=296×3=975-179×5=830-388+142=569×2=296-188+290=69+352=602+(522-272)=632-134-113=167×3-354=416-(423-164)=500-(269-72)=109+245-208=3/5-1/5=167-(282-170)=500-(35+365)=123-36×3=291×4=403+463=490-170-100=802+864-790=579×7=261-40×5=81+148+435=参考答案146-(334-256)=68192-12×4=144425+191-73=543556+(774-329)=1001494-246=248239×3-310=407641+859=1500102+41=143983-85×3=728328+52×5=588440-335=105278-70+86=29443+77=120899-157×3=428761-136=62523×5=115108×2=21651+172+648=871385-(23+267)=95846-323-71=452784-(111+638)=35443-215+258=486427×6-145=2417618-538+295=375818-76×4=514171+350=521156×4+344=968143×5=715453-32×5=293902-270-357=275253+172×2=597701+(703-251)=1153876+(978-760)=1094280-122+539=697795-146×5=65225×4=900447-(472-221)=19619+561+110=690681-(27+607)=47131×3-326=67770-(943-844)=671688-226-311=151424-196+266=49492+(159-32)=219510-(50+67)=393717-393+975=1299476×2-649=303417-(222+187)=8273+204-298=179288+54×4=504124+443+139=706795-(187+536)=72229+(404-231)=402133+40×2=213686+(889-402)=1173298×3+79=973682-307-297=78200×8=160017×(191-187)=68680-489=191799+286+448=1533492-47=445420×5-988=1112246-130=116129×(247-242)=645708×4-245=2587474×9-405=3861473-(92+203)=178751-219-147=385101×2=202905-(829-566)=642378×(407-398)=3402833×5-259=3906322-(183-88)=2272/8+3/8=5/8409-(100+163)=146326-68×2=190436-187×2=62153×(435-432)=459327-(291-138)=174402×6=2412459×2=918228+(407-61)=574110×9-25=965288+434-292=430800+838=1638361×3-438=645174-(325-303)=15291+282×2=655917-225-349=343473×(116-109)=3311881-(86+443)=352471-137+86=420408-231+63=240363-323=4084×(83-78)=4202/9+3/9=5/9100×5-172=328651+364×2=1379926+506=1432682-(480+143)=59136×(252-249)=408425+52-263=214826-(741-219)=304370+(455-131)=694771+986-51=1706156+476+77=709425-99×3=128183×2=366357-191=166298×7-627=1459299×3-530=367787-435-107=245435-(234+91)=110303×3+420=1329349×2=698247+161+310=71854×5=27085×2=170103+82=185302-299+337=340718-(998-720)=440213+(465-98)=580221+35×9=536438-335+56=159299×(97-94)=897353-253=100308+103-329=82476-(21+359)=96515+116×6=1211192+168+322=682995-(125+834)=36503-327+488=664200+106=306490-85×2=32050×9=450486-(247+171)=68596+659-437=818397+123=520103×(125-120)=515322×8=2576232×(355-352)=696294-(398-204)=1003/6+2/6=5/6992+59+785=1836181+122=303687-14-173=500433-399+220=254335+(278-16)=597483-(26+46)=411582+180×4=1302751+454-255=950216-82=13467×7-440=29657-(237+252)=168403+76×6=859607+608-814=401413-33×8=149350-(320-252)=282221-53-27=141712-68×5=372812+847-765=894918-(454+146)=318927+912-722=1117714-325=389375-110-114=15126+(556-33)=549993+49×9=1434461+382+960=1803350+(904-623)=631100×8+45=845263-68×3=59471-(139+255)=7712×5+784=844493-(303+44)=146920×7=6440706+18-168=556752-197×3=16145×5=225218×(132-129)=65473+282=355703-(472-212)=443216×3+57=70589-26+369=4323/5-2/5=1/5937+391-293=1035354-(350-230)=234225×(313-310)=675120×3=360953+54×3=111543+(994-75)=962941-186+374=1129368×2=73659+(63-52)=701/7+4/7=5/7228-121=107439-79-320=40665×(686-683)=1995474×2-662=286857+417-998=276288+182=47027+456-465=18414-28×6=246226-176+190=240945-208-638=99387-(189+35)=163907-828=79611×3=18332/7-1/7=1/7382-187-72=123376-26+321=671203×8=1624415-(77+117)=221111+(486-240)=357643×8=5144246-(437-399)=208814×7=569831+409+452=892367+196×2=759362+99=461139×3+306=72314×7=98180×(422-418)=720827-381+334=780726×8-255=5553943-513-151=279974-683=291179+523=702121+624+28=773104+387+808=129999×3=297287-57×5=2347-(42+131)=174769+98-30=837765-532+361=594140+104=244815+681+332=1828912-241=6713/9-2/9=1/9241-56=185116+456+241=813124+(853-567)=410227-99=12890+111+534=735275-63×2=149607×8=4856166+(399-194)=37156×3=168316-(52+94)=170452+(784-523)=713218+222-342=9860+348+436=844430+66-397=9976×(238-235)=228208-67×3=794-(130-120)=84710-(751-576)=53577×(167-160)=539972-(701-410)=681298+223+358=879294+149=443391+95-283=203223-(13+180)=3056+278-27=30721×5+728=833526+286-459=353245-83+280=442845-373+742=1214121×6-226=500150×4=600136+(376-281)=231816×8-642=5886575+269+96=940184+98×3=47840+158=198622+48+324=994940-45×4=760352-42×2=268295×(765-760)=1475189+207-19=377475-388=87454-89-213=152316+99=415691-648-38=5417×2+893=1727329-232+214=311173+92+63=328635+(645-198)=1082992-(309+579)=104700-333+705=1072615+119+662=1396100-(173-78)=5209-62-129=1861+305-279=87499-73-420=6110×(556-551)=550581+(648-75)=115466×(355-348)=462690-170-396=124310+609+867=1786417+80×6=89781-(197-189)=73188×5-556=38497×(895-887)=776954+(640-455)=113997-38=59249×4-317=679765-111+716=1370624-48=576189-124+236=301244-160+632=716163×6+131=1109875×7=6125451×8-901=2707232+673+43=948335-106=229310-(213-75)=17236×9+110=434291-(17+66)=20843-(419-391)=1550+21=71864-(727-29)=166147-90+102=159698×4-827=1965306-181=125183-158+254=279618-210+564=9722/5-1/5=1/571×8=568753×9-713=606417×(21-12)=1534/7-3/7=1/7485-440+360=405101+(915-458)=558264×2-263=2653/7+2/7=5/7991+515=1506913-456×2=1817+225-775=267352-253+247=34677+340=417925×2=1850560+764=1324380-19×4=304118+389+413=920563+818+502=1883113×9-508=509924-(671-97)=350367-(396-169)=140383-24=35976-(157-118)=37541×9-344=4525122+320=442367+(121-118)=370810+(792-261)=134110×3+223=253106+225+322=653332+65=39774×2+857=1005491-134×3=89110-21×5=5319+337+293=949518+119+58=695166+308-386=8857+(482-299)=240201-174+97=124230+228-217=241966+954-87=1833304-(326-96)=74345-91×3=72400+15+501=91667×(193-186)=46985×3+251=50690+18-41=67487-35×6=277192×(196-191)=960179-(946-916)=149611×6=3666291-164+809=936592-316-67=209756-531+288=513664×2-368=960367-96-220=51986-207×4=158471-234=237272+(291-157)=406496-(990-559)=65103+34+637=774361-83×2=195138+454=592174-151+384=407276-(498-254)=32381+937-447=871379+213+301=89398-(136-121)=83788+195=983911×(28-23)=455512×7+956=1040210+(422-303)=32960×(337-333)=240417+199+194=810281×3=843320×7=2240755-580-170=5637+938+939=2514697-387-114=196791-(460+315)=16310+94=404450+21-357=114736-665=71226×7-167=1415204-15×7=9911×(288-284)=4487×3+167=428313-179-91=43193+(399-275)=317965-357+537=1145381-(150+205)=26243-(484-469)=228188+298+375=861553+833+701=2087349×2+200=898427×4=17081/6+2/6=3/6685-(824-632)=493476-188+17=305235×7=1645102×6+46=658415-23×9=208130+221-153=198482-(553-375)=304131+214=345418+(372-244)=546440-225+237=452806-(242+457)=107218×(995-987)=1744198+53=251268-63-71=134189-30×6=9510+428+394=1332727-(485-176)=418670+840+532=2042352-153-172=2714×(294-290)=56272-(118+71)=8348×(741-737)=1924/8-3/8=1/8300-76-176=48145-(162-32)=1544×6=26491-33×2=25409+108×4=841631-(236+348)=47476×(658-649)=4284330-(91+136)=103444-(135+229)=80327×2+222=876887×3-666=1995519+133=652541-445=96475+(304-201)=578273+157-198=232159×6-289=665127×7-174=715900-717+532=715268-129×2=10159+168-35=2921/6+3/6=4/6463-(82+112)=269194+63=257250×2=500334+632+952=191889×(344-337)=623366-(252+103)=11298+122×7=115277+734-524=287206+454+257=917481-151+984=1314192-179=13125×(454-448)=750687+213+95=995300×4=1200400×2-729=7134+107=141161+(410-353)=218753-(664-139)=228551×(61-54)=3857214×4=85619×(451-446)=9563×2=126862-128-374=360255-11+102=346211+(96-29)=278921+184-655=450182+280-228=234339×7-857=1516525+405+345=127536+105-117=24725×3-871=1304553×(281-277)=2212270+91=361820+194-545=469776×5-96=3784767+703+535=2005463-(792-594)=265795+217+85=1097488-118×2=2524/7+3/7=12/8-1/8=1/836×5+478=658241-(173-172)=240384+93-17=460925+769+964=2658747-(771-283)=259578-12×8=482808+667=1475132×(157-154)=396482+91+14=5872/4-1/4=1/4436-132×2=172651×6-719=3187197×(29-25)=788915×7=6405343×2-618=68121×6-351=375996+(942-24)=1914262-125=137238×4-16=936617+603-127=109311+169+390=570344-196-44=104137+603+644=1384181×(631-624)=1267257+66-83=240975-240+730=1465120-(123-17)=14193×4-419=35316+327×2=670113×(181-176)=565872+763-662=973629+486+532=1647981-11+808=1778348+124×3=72040×5-140=6058×(383-378)=290382-98=284933-304-198=431880-816=64665-42-107=516692×2=138479×8+311=943273-(97+103)=73436+107=54379×9+921=1632121×8-134=834215+549=764899-(79+701)=119746+41-417=370398+(146-13)=531244×3+235=967168+622+381=1171659-(403+22)=234835+(823-677)=981249-68-123=58819+(502-111)=121053+55×7=438108+64×7=55643×8=344375×2-441=309906+681-649=938363+(408-238)=533641+31×2=703779+183+394=1356335+(128-42)=421745-198×3=15143×(114-105)=387435-(78+42)=3151/5+3/5=4/5210×(977-974)=630455-82-366=7105×4+299=719466+48×9=898396-28-218=150404-258+100=246199-82×2=35399+(427-384)=44249+566+223=838473-175-100=198483-81×4=159162-18=144257-(179-40)=118645+(90-89)=646466-400=66875+708=1583454+66×5=784393×(784-775)=3537252+(146-12)=386712-112=600449+(309-252)=506962-80-33=849448-41×9=79861-(710-74)=225230+483=71341+187+182=410366-96-122=14895×4-230=150522-119×4=46410-36-218=156404-156=248193+181=374716+(736-64)=1388951-636=315688-527=16178×(200-191)=702456-42=4144/8-1/8=3/8462-126=336447-433=14323-315+443=451669×(227-218)=6021188×3=564480-88-221=171136-28+287=395610+115×6=1300108+316=424247-134+71=184158-(15+43)=100463-(306-187)=344462+187×2=83624×6=14433+447-445=351/8+6/8=7/8429×5=2145200+681=881135×7-606=339637-72=565512-119-118=27526+69=95540-505+570=605157×6=942545-(916-650)=279416-160-50=206698+710-858=550738-126×4=234661-322=33927+135×2=297710-267-83=360373-(160+14)=19986+494=580346+(848-342)=852238+(432-407)=26346+320×3=10066/10+2/10=8/10600×(776-769)=4200208+(193-63)=338387+65-13=439388-372+29=45212-(26+13)=173726-(345-187)=568229×2-312=146706×6-677=3559972-154=818456-(114+141)=201443-33×8=179363+420-139=644203×6=1218258+226-123=361455-(10+275)=170759-411-180=168306-(134+161)=11403-23×6=265409-48×7=73410+(485-418)=477172×5=860796-138+207=865582×8-859=3797119×7-379=454455+(458-55)=858124+347-458=13390-110=280452-148-11=29394×(305-298)=658133×(287-278)=1197875-797=78751-(312+418)=21283+291×2=865899-(476-25)=4484/6-1/6=3/6472+41+120=633448-50-273=125607-(241-201)=567318-80=238829-407=422108-(69+12)=27235-122+213=326869-(738-154)=285176-19×7=43189×5-40=905962+(793-748)=1007366+17-26=357424-149-226=49379-99=280684-(972-642)=354516+41-452=105531-493+239=277970-(695-506)=781516-(410+30)=76720+(927-348)=1299465