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12+232-91=98-24×2=76-31×2=339+(119-14)=72+328-46=128×6-272=822-(333+36)=305+371=197-84=765+(255-89)=794-13-404=41+197=182+274-325=981×6=903-(527+261)=413-288-70=132×4+340=64×3=864-356-119=325-(169+42)=39×6=464-353+144=725+667-83=930+586+470=43×9+192=958-615=1/7+3/7=555+169×5=133×6+104=407-166×2=116+108×5=385-(20+286)=203×2=389-16×4=723×(376-372)=903×6=43×6=80×8=849-830=882-557+358=366+756+551=454-259+236=661-(748-482)=185-18+214=449+493+18=425+(472-208)=591×5-27=837-74×6=672+395×2=41×6+62=281-153+46=470+(497-145)=494+358-500=998-413=453-71-71=105-68=297-224=225-45+122=801-284=697-225+82=923×(500-491)=1/4+2/4=150+136-271=94+130=98-65+15=134-(174-94)=804+471-315=182×(465-457)=639-122×4=440+57+464=474-437+329=199×4=808-502+804=41×7-185=146+162=425-271-21=103-62+346=189-28×4=257-51×2=39×(101-98)=558+267=168×2+257=512+222=3/10+2/10=246-144+316=163+(255-137)=807+647-515=723-713=471-327+196=134×(490-487)=4/6-1/6=966-(184+740)=595-(253+209)=917-18-781=974-540=176×4+600=869×4=11+(781-320)=662-(56+42)=15×9+723=460+(989-316)=432-(415-87)=741+363-178=393-(112+202)=5/7-1/7=601-489=432+35+811=834×9=44+294-161=952-(552+121)=257-(23+74)=39+530+347=734-172-110=646+222+743=486+130=692-77+854=287-(353-189)=337-(135+199)=93×4-351=131+95×5=715-95×2=196×(169-166)=349-34×5=208+95×5=292×(357-354)=429+237×2=12×7=117×4-383=650-401=554-(99+235)=731+739+438=653-67-349=943-(310+186)=809×3-192=295×8-102=57+(482-233)=321+56-290=375+87=225+232=330×2-316=848+460=721+972=404×9-408=361×5-561=49×6-277=163×5=490-(189+291)=783-627+404=302+217=934+(116-64)=3/8-1/8=545-506+984=467-89-167=92×(147-144)=128×(438-432)=180-(435-427)=813+400+185=640+(315-133)=538+37×6=211+893-566=13+(463-164)=63×8=339-191-107=584-(527-410)=714×(142-138)=194+151=213+26×6=366+140×2=401-(333+59)=430×6=34×6+385=238-(449-215)=386-(449-213)=495-244+210=840-474=936×9=91×4+299=499+440+39=2/6-1/6=219-45×3=746-(679-87)=15×6+275=797×9=57×5+96=311-283+274=806-555+325=270-(121+79)=421×(379-370)=464-239=106×8=187×5-649=420-54×5=121×3-21=884-157×4=132+309+454=979+873=917-654+502=67+374=866×(168-163)=473-228×2=116×2=350×2-246=191-115+567=643-560=792+35+150=3/5-1/5=101+535=108-50+41=542-(568-51)=879-284=340-210=314+21+991=81-10-37=376-(467-406)=46+(814-196)=432+30-376=980-481×2=166+118×2=642-164-386=926-94+503=339×2-475=555-47=353-259=54+(160-106)=317-39×2=902+76×5=463×2-215=755-182+914=420-(37+222)=419-205=509+(932-638)=301×2=46×9=762-170+154=461-391=473-(364+29)=88+630-471=605+795=904+359+147=197-31+569=449+58×6=643-68-435=234+721+465=718-71-232=141×(359-354)=395-395+743=39+305-50=174×2=373-278-47=818-(102+215)=180-40+319=281×3+706=315+181+428=152×6=468+171-496=689+60+30=150-23×3=44+(230-53)=349-238-59=183×5=896+921-433=311-(276-146)=874×(40-36)=819×(318-310)=65+148=810-71×8=501-(82+350)=539-(173+352)=490-85-38=881-475=291-77=383-(250-73)=479-(280+149)=4/7-1/7=509+134-544=500-(79-76)=378-100=943-617-288=491-17-270=68+629+224=670-(684-363)=982×(473-468)=227+235×3=648+141=799-10×6=469×(995-992)=940+827+491=947+938+667=477+422+193=595-108×3=225+167-255=159+(355-187)=435-(121+180)=264-86=480-(403-171)=109+156=957-(76+177)=365-(37+313)=362×7=131-28=171+(433-356)=82+398=967-(966-862)=178×(311-303)=358-165=149+209-245=210+122+255=417-(728-541)=258-(71+138)=249+(182-97)=225-65+72=484-(370-281)=660+(364-279)=446×4-739=103×(906-902)=506×7=209-39-46=815-(858-828)=354×2-507=219-20+273=442-79-167=328-(30+211)=539-(114+150)=95×5=433×2+114=440+(407-196)=757-102+122=27×(215-212)=384-166=391+25×7=717+885-460=388-(53+302)=894-(773-42)=456-232=62+185=222×2-239=713-396=520-436=205×3=138+206-323=391-(216-215)=525-(199-39)=819+913-819=232+256-256=80×2+51=278×(826-821)=116×6-260=463-332-36=831-(986-289)=505+236=445-289+53=3/5+2/5=147+(567-193)=358×(521-517)=368+829=243×2=388-(160+28)=1/10+3/10=143-(16+78)=4/10-3/10=290-(79+158)=688×9=857-89-556=123×(230-223)=408-(387-380)=268+469=519×3-404=147-(89+49)=543+(454-213)=149×3=292+120×8=886+(532-11)=946×(302-299)=320-45×6=418-(433-339)=715×(865-860)=331-271+24=704×(481-475)=473-(188-101)=738-381+236=978-124-274=954+(780-203)=515×3=160+294=22×5=255-(119+107)=525+(431-40)=297+133=141+175=48+352-56=3/7+2/7=407-362=205×(268-264)=225+184=813+456=496-(242+96)=67+28+377=929-(857-418)=859-(100+531)=231×(158-155)=348-318=889×9-280=238×(584-580)=262+(469-103)=308-259-18=244-205-16=153+23+23=455-210-101=40×(258-254)=144+463+224=301-264-25=863-258-208=142+296-77=197-(54+24)=449-275=264-(902-874)=116×5-281=945-(463-61)=192×2=743-175-354=458-226×2=220+(493-428)=81×3-104=269-232+121=119-77=273×(140-137)=344+93×6=253+72=103×(132-126)=88+38=575-(39+358)=279×5-554=372×9=951-207-684=142×3+52=239-(334-126)=796-(378+184)=331-147-168=525+858-771=745+410+396=277-38×2=353-(448-223)=325-220+112=210×(311-308)=392×2-473=941-(110+119)=621-456+556=242+782=473-103×4=351×5=121×6-188=590-(828-718)=97×4+732=484-(960-627)=397-113×3=663-441+919=324+709-979=204+268-386=453×9-789=319×3-49=110+140+365=2/4-1/4=414+(403-175)=534-83+779=116+119-196=808×2-859=824+883+23=330+440+65=441-94=265+56×8=162-16+80=964-900+290=317×3+333=284+179-41=383×2=229×4+546=241-177+195=230+(490-340)=481-285-141=69+351-84=419×9=927-374+168=79×5=156+(419-274)=355+424=272+(361-32)=200+33×3=327-(129+49)=6/7-1/7=347-196+67=3/9+6/9=403-21-286=236+(402-381)=400-32×7=249-12×6=674-(21+457)=557×(200-193)=379-(711-405)=145×4=344-214-96=252-44×5=116-(716-669)=518-(541-373)=164×3-340=697+475=265×(34-30)=43+230-113=138-130+216=982×(213-209)=196×(477-472)=347-44+172=26+(438-391)=527×5=986×8=632+867=46+189+278=276+171-445=370+65×3=13×9=41+349-33=264+(971-812)=241-41-156=779-716=597-317-104=999+93-39=264-111×2=28×(280-273)=255-(448-258)=399+(500-391)=484-184-112=677-361=636×(937-932)=892×3-766=314-284+112=850-845+670=991-176×5=807-491-57=437-(338+53)=223-149+128=128-18-44=256+(93-10)=293+(382-44)=161+196=952-635+478=846×4-64=690-332=333×3-805=209×(449-446)=769-(637-603)=485-446+232=289-(173-45)=214-125=133×(252-249)=451-10=378-160=342-(342-242)=68+81-27=703+138-354=466-182×2=123×7-666=678-28×5=315×2-507=769×5-753=315-26×4=357-249=695×6-387=60+112=338+(346-104)=275-148-93=439×2-126=784-414-61=192+157+335=573-56×2=925-149-132=742+308-732=976-808-135=136×(284-277)=266+318+124=655-(452+139)=180×5=291-(104+19)=972×9=26×9+999=914-51=399-58×6=853-143×4=291+107=425-(266+135)=934×9=868-(806-527)=208×3-238=197+(164-74)=680-197+933=220+258-319=361-(469-180)=409-30-323=459-(149+35)=463-240=2/7+3/7=960×6=16×8=877×4=171+233=949+651+666=244-110+96=802-99×3=344+88-173=293-57=335+133×7=895-171×2=172×(16-11)=993-489-469=764×4=67+552+377=333+108-250=29+202+429=804-114×6=503+(942-714)=483-213+141=19×(405-399)=199+89-25=47+92+755=745-(252+89)=920+140-571=311×8-675=436-36-193=172×4-456=370+(766-283)=673×4=76×(27-19)=200+(630-256)=874+798+617=265-(569-462)=562+(517-111)=662-482=452+346+727=944+(970-397)=439+(398-79)=258-(218-214)=1/5+4/5=793×9=278+(973-332)=172-55=201+288-272=40+(235-50)=50×8+490=107×6-302=138+395+198=74-(397-331)=105+548=56+369-323=422-26×5=230+20×9=454-36-73=204+250=984-(141+107)=309+199×4=677+861-751=438-(160-16)=219+(361-163)=892-17-707=296×2+89=404+364=11×(28-23)=126+151=595-189=231+(500-381)=377+352=488-126-294=69×5-23=867+424-145=331+18×2=717×(925-918)=896+18×7=412+872-67=148+350=266×2-66=122+272-327=455-58×2=397-170=333×2=93+433+221=265+942-667=286-127=711-491+198=113×6-446=336+798+457=12×6+319=943×(923-915)=33+879-755=429-41=853-68×2=114×(260-257)=34×(322-319)=298+389+294=981+158+886=659-129×5=494-135-287=490-(280-175)=472-(710-291)=194+167=340-284=782-769+871=402+(123-15)=4/7+2/7=806-(104+356)=129+265+539=611-169×2=747×(201-193)=157×5-447=406-(37+156)=335+(972-120)=452-(391-134)=474-124=825-(80+542)=240+597+536=717-105×5=201×3+18=825×(880-876)=3/8+2/8=259-112×2=395-116×3=89×2=846-29×6=68+175=322×6-518=469+66+271=475-257+218=286-(110-42)=110×7+192=274×2=894×8-860=993-850-131=327-(62+203)=2/7+4/7=357-(421-168)=30×(178-170)=172+70-21=392-(301-160)=184×3=385-159=412-113×2=112×6+459=584×5-622=466-(114+19)=455+836=592×8-864=133+(358-315)=449-150=104+326=69+298=404-12×3=3/7-2/7=369-(250+27)=520+103+373=272+200+367=810+100×9=367×2-641=446-96-65=376+876-264=970×4=5/8-2/8=821-264×3=237-(572-385)=490-323-110=550+36-213=211×(807-802)=188+334+374=480-29×9=691-277-113=167-15×5=874+101×4=575×5-991=415-168-168=439+291+125=318+113+115=458×(501-497)=209+267=285+322×2=130-50=670+(734-230)=142×5=396+12-290=415-47×3=306+313+105=696×3-479=124+233=38+37=362-(243+112)=645-(974-950)=196×5+40=241+153+556=870-658+355=237-156+389=65×8+671=512+555-976=740+292+333=211×(186-182)=380-27=92×(165-156)=122+44=225+759+438=415×7-87=439-(699-524)=2/3-1/3=507+600=419-162×2=956-(377-39)=325+(218-87)=388-104×3=389-(234+51)=290-(96+48)=433×6=285-(114+40)=161+284=232×3-585=280×3-784=479×2+32=384×3-854=295×(300-297)=213+138×5=972×(933-929)=271+334=80+303=736+(593-29)=226+25+30=941-235-577=659+431-313=330+(432-154)=810+945+366=421-(852-455)=112+(500-38)=465-56=339+38-84=413-287-115=390-130×3=933-(107+641)=125×6-240=326+(939-548)=322-(325-308)=985-267-635=983+95×9=480-107×2=356+524-441=531+34+961=209×2=113+337=658-238×2=98×9-724=131-(280-188)=301+(313-293)=353-30=956-467=76+634+263=474-276-144=472+276+201=31×5+411=142-29+106=463+(492-280)=243×2+602=52+290×2=27×6=908-416×2=333×(80-77)=参考答案12+232-91=15398-24×2=5076-31×2=14339+(119-14)=44472+328-46=354128×6-272=496822-(333+36)=453305+371=676197-84=113765+(255-89)=931794-13-404=37741+197=238182+274-325=131981×6=5886903-(527+261)=115413-288-70=55132×4+340=86864×3=192864-356-119=389325-(169+42)=11439×6=234464-353+144=255725+667-83=1309930+586+470=198643×9+192=579958-615=3431/7+3/7=4/7555+169×5=1400133×6+104=902407-166×2=75116+108×5=656385-(20+286)=79203×2=406389-16×4=325723×(376-372)=2892903×6=541843×6=25880×8=640849-830=19882-557+358=683366+756+551=1673454-259+236=431661-(748-482)=395185-18+214=381449+493+18=960425+(472-208)=689591×5-27=2928837-74×6=393672+395×2=146241×6+62=308281-153+46=174470+(497-145)=822494+358-500=352998-413=585453-71-71=311105-68=37297-224=73225-45+122=302801-284=517697-225+82=554923×(500-491)=83071/4+2/4=3/4150+136-271=1594+130=22498-65+15=48134-(174-94)=54804+471-315=960182×(465-457)=1456639-122×4=151440+57+464=961474-437+329=366199×4=796808-502+804=111041×7-185=102146+162=308425-271-21=133103-62+346=387189-28×4=77257-51×2=15539×(101-98)=117558+267=825168×2+257=593512+222=7343/10+2/10=5/10246-144+316=418163+(255-137)=281807+647-515=939723-713=10471-327+196=340134×(490-487)=4024/6-1/6=3/6966-(184+740)=42595-(253+209)=133917-18-781=118974-540=434176×4+600=1304869×4=347611+(781-320)=472662-(56+42)=56415×9+723=858460+(989-316)=1133432-(415-87)=104741+363-178=926393-(112+202)=795/7-1/7=4/7601-489=112432+35+811=1278834×9=750644+294-161=177952-(552+121)=279257-(23+74)=16039+530+347=916734-172-110=452646+222+743=1611486+130=616692-77+854=1469287-(353-189)=123337-(135+199)=393×4-351=21131+95×5=606715-95×2=525196×(169-166)=588349-34×5=179208+95×5=683292×(357-354)=876429+237×2=90312×7=84117×4-383=85650-401=249554-(99+235)=220731+739+438=1908653-67-349=237943-(310+186)=447809×3-192=2235295×8-102=225857+(482-233)=306321+56-290=87375+87=462225+232=457330×2-316=344848+460=1308721+972=1693404×9-408=3228361×5-561=124449×6-277=17163×5=815490-(189+291)=10783-627+404=560302+217=519934+(116-64)=9863/8-1/8=2/8545-506+984=1023467-89-167=21192×(147-144)=276128×(438-432)=768180-(435-427)=172813+400+185=1398640+(315-133)=822538+37×6=760211+893-566=53813+(463-164)=31263×8=504339-191-107=41584-(527-410)=467714×(142-138)=2856194+151=345213+26×6=369366+140×2=646401-(333+59)=9430×6=258034×6+385=589238-(449-215)=4386-(449-213)=150495-244+210=461840-474=366936×9=842491×4+299=663499+440+39=9782/6-1/6=1/6219-45×3=84746-(679-87)=15415×6+275=365797×9=717357×5+96=381311-283+274=302806-555+325=576270-(121+79)=70421×(379-370)=3789464-239=225106×8=848187×5-649=286420-54×5=150121×3-21=342884-157×4=256132+309+454=895979+873=1852917-654+502=76567+374=441866×(168-163)=4330473-228×2=17116×2=232350×2-246=454191-115+567=643643-560=83792+35+150=9773/5-1/5=2/5101+535=636108-50+41=99542-(568-51)=25879-284=595340-210=130314+21+991=132681-10-37=34376-(467-406)=31546+(814-196)=664432+30-376=86980-481×2=18166+118×2=402642-164-386=92926-94+503=1335339×2-475=203555-47=508353-259=9454+(160-106)=108317-39×2=239902+76×5=1282463×2-215=711755-182+914=1487420-(37+222)=161419-205=214509+(932-638)=803301×2=60246×9=414762-170+154=746461-391=70473-(364+29)=8088+630-471=247605+795=1400904+359+147=1410197-31+569=735449+58×6=797643-68-435=140234+721+465=1420718-71-232=415141×(359-354)=705395-395+743=74339+305-50=294174×2=348373-278-47=48818-(102+215)=501180-40+319=459281×3+706=1549315+181+428=924152×6=912468+171-496=143689+60+30=779150-23×3=8144+(230-53)=221349-238-59=52183×5=915896+921-433=1384311-(276-146)=181874×(40-36)=3496819×(318-310)=655265+148=213810-71×8=242501-(82+350)=69539-(173+352)=14490-85-38=367881-475=406291-77=214383-(250-73)=206479-(280+149)=504/7-1/7=3/7509+134-544=99500-(79-76)=497378-100=278943-617-288=38491-17-270=20468+629+224=921670-(684-363)=349982×(473-468)=4910227+235×3=932648+141=789799-10×6=739469×(995-992)=1407940+827+491=2258947+938+667=2552477+422+193=1092595-108×3=271225+167-255=137159+(355-187)=327435-(121+180)=134264-86=178480-(403-171)=248109+156=265957-(76+177)=704365-(37+313)=15362×7=2534131-28=103171+(433-356)=24882+398=480967-(966-862)=863178×(311-303)=1424358-165=193149+209-245=113210+122+255=587417-(728-541)=230258-(71+138)=49249+(182-97)=334225-65+72=232484-(370-281)=395660+(364-279)=745446×4-739=1045103×(906-902)=412506×7=3542209-39-46=124815-(858-828)=785354×2-507=201219-20+273=472442-79-167=196328-(30+211)=87539-(114+150)=27595×5=475433×2+114=980440+(407-196)=651757-102+122=77727×(215-212)=81384-166=218391+25×7=566717+885-460=1142388-(53+302)=33894-(773-42)=163456-232=22462+185=247222×2-239=205713-396=317520-436=84205×3=615138+206-323=21391-(216-215)=390525-(199-39)=365819+913-819=913232+256-256=23280×2+51=211278×(826-821)=1390116×6-260=436463-332-36=95831-(986-289)=134505+236=741445-289+53=2093/5+2/5=1147+(567-193)=521358×(521-517)=1432368+829=1197243×2=486388-(160+28)=2001/10+3/10=4/10143-(16+78)=494/10-3/10=1/10290-(79+158)=53688×9=6192857-89-556=212123×(230-223)=861408-(387-380)=401268+469=737519×3-404=1153147-(89+49)=9543+(454-213)=784149×3=447292+120×8=1252886+(532-11)=1407946×(302-299)=2838320-45×6=50418-(433-339)=324715×(865-860)=3575331-271+24=84704×(481-475)=4224473-(188-101)=386738-381+236=593978-124-274=580954+(780-203)=1531515×3=1545160+294=45422×5=110255-(119+107)=29525+(431-40)=916297+133=430141+175=31648+352-56=3443/7+2/7=5/7407-362=45205×(268-264)=820225+184=409813+456=1269496-(242+96)=15867+28+377=472929-(857-418)=490859-(100+531)=228231×(158-155)=693348-318=30889×9-280=7721238×(584-580)=952262+(469-103)=628308-259-18=31244-205-16=23153+23+23=199455-210-101=14440×(258-254)=160144+463+224=831301-264-25=12863-258-208=397142+296-77=361197-(54+24)=119449-275=174264-(902-874)=236116×5-281=299945-(463-61)=543192×2=384743-175-354=214458-226×2=6220+(493-428)=28581×3-104=139269-232+121=158119-77=42273×(140-137)=819344+93×6=902253+72=325103×(132-126)=61888+38=126575-(39+358)=178279×5-554=841372×9=3348951-207-684=60142×3+52=478239-(334-126)=31796-(378+184)=234331-147-168=16525+858-771=612745+410+396=1551277-38×2=201353-(448-223)=128325-220+112=217210×(311-308)=630392×2-473=311941-(110+119)=712621-456+556=721242+782=1024473-103×4=61351×5=1755121×6-188=538590-(828-718)=48097×4+732=1120484-(960-627)=151397-113×3=58663-441+919=1141324+709-979=54204+268-386=86453×9-789=3288319×3-49=908110+140+365=6152/4-1/4=1/4414+(403-175)=642534-83+779=1230116+119-196=39808×2-859=757824+883+23=1730330+440+65=835441-94=347265+56×8=713162-16+80=226964-900+290=354317×3+333=1284284+179-41=422383×2=766229×4+546=1462241-177+195=259230+(490-340)=380481-285-141=5569+351-84=336419×9=3771927-374+168=72179×5=395156+(419-274)=301355+424=779272+(361-32)=601200+33×3=299327-(129+49)=1496/7-1/7=5/7347-196+67=2183/9+6/9=1403-21-286=96236+(402-381)=257400-32×7=176249-12×6=177674-(21+457)=196557×(200-193)=3899379-(711-405)=73145×4=580344-214-96=34252-44×5=32116-(716-669)=69518-(541-373)=350164×3-340=152697+475=1172265×(34-30)=106043+230-113=160138-130+216=224982×(213-209)=3928196×(477-472)=980347-44+172=47526+(438-391)=73527×5=2635986×8=7888632+867=149946+189+278=513276+171-445=2370+65×3=56513×9=11741+349-33=357264+(971-812)=423241-41-156=44779-716=63597-317-104=176999+93-39=1053264-111×2=4228×(280-273)=196255-(448-258)=65399+(500-391)=508484-184-112=188677-361=316636×(937-932)=3180892×3-766=1910314-284+112=142850-845+670=675991-176×5=111807-491-57=259437-(338+53)=46223-149+128=202128-18-44=66256+(93-10)=339293+(382-44)=631161+196=357952-635+478=795846×4-64=3320690-332=358333×3-805=194209×(449-446)=627769-(637-603)=735485-446+232=271289-(173-45)=161214-125=89133×(252-249)=399451-10=441378-160=218342-(342-242)=24268+81-27=122703+138-354=487466-182×2=102123×7-666=195678-28×5=538315×2-507=123769×5-753=3092315-26×4=211357-249=108695×6-387=378360+112=172338+(346-104)=580275-148-93=34439×2-126=752784-414-61=309192+157+335=684573-56×2=461925-149-132=644742+308-732=318976-808-135=33136×(284-277)=952266+318+124=708655-(452+139)=64180×5=900291-(104+19)=168972×9=874826×9+999=1233914-51=863399-58×6=51853-143×4=281291+107=398425-(266+135)=24934×9=8406868-(806-527)=589208×3-238=386197+(164-74)=287680-197+933=1416220+258-319=159361-(469-180)=72409-30-323=56459-(149+35)=275463-240=2232/7+3/7=5/7960×6=576016×8=128877×4=3508171+233=404949+651+666=2266244-110+96=230802-99×3=505344+88-173=259293-57=236335+133×7=1266895-171×2=553172×(16-11)=860993-489-469=35764×4=305667+552+377=996333+108-250=19129+202+429=660804-114×6=120503+(942-714)=731483-213+141=41119×(405-399)=114199+89-25=26347+92+755=894745-(252+89)=404920+140-571=489311×8-675=1813436-36-193=207172×4-456=232370+(766-283)=853673×4=269276×(27-19)=608200+(630-256)=574874+798+617=2289265-(569-462)=158562+(517-111)=968662-482=180452+346+727=1525944+(970-397)=1517439+(398-79)=758258-(218-214)=2541/5+4/5=1793×9=7137278+(973-332)=919172-55=117201+288-272=21740+(235-50)=22550×8+490=890107×6-302=340138+395+198=73174-(397-331)=8105+548=65356+369-323=102422-26×5=292230+20×9=410454-36-73=345204+250=454984-(141+107)=736309+199×4=1105677+861-751=787438-(160-16)=294219+(361-163)=417892-17-707=168296×2+89=681404+364=76811×(28-23)=55126+151=277595-189=406231+(500-381)=350377+352=729488-126-294=6869×5-23=322867+424-145=1146331+18×2=367717×(925-918)=5019896+18×7=1022412+872-67=1217148+350=498266×2-66=466122+272-327=67455-58×2=339397-170=227333×2=66693+433+221=747265+942-667=540286-127=159711-491+198=418113×6-446=232336+798+457=159112×6+319=391943×(923-915)=754433+879-755=157429-41=388853-68×2=717114×(260-257)=34234×(322-319)=102298+389+294=981981+158+886=2025659-129×5=14494-135-287=72490-(280-175)=385472-(710-291)=53194+167=361340-284=56782-769+871=884402+(123-15)=5104/7+2/7=6/7806-(104+356)=346129+265+539=933611-169×2=273747×(201-193)=5976157×5-447=3