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592-481=380+(103-54)=887-(539+232)=778+(815-388)=795-109-246=443×2=315-(232+47)=325×(144-141)=422-25-12=506×(41-33)=142-125+453=46×3+228=925-398-52=782-(143+340)=23+(932-54)=615+807+24=950-(955-942)=545-(348+84)=294-(436-389)=478-(168-157)=170-(147-88)=587-(955-580)=782+631-78=68×9-57=433+(47-34)=730-61×6=282+182+504=360-165-144=46×2=377×(245-239)=33+169=454-205=41+212+736=2/8-1/8=398-288=234-141=999-828+95=859-198×2=61+167+276=146+618+877=310-(229+26)=312-110×2=88+(495-241)=466-(366-57)=467-(170+146)=737×6-448=238×3+79=379-357=518-(648-544)=912-531-306=766-722=213+164-105=85×5=320-(92+114)=852-665+75=119-(480-468)=411-389=140+(806-422)=419-(24+84)=83+166+655=315×2=121+(450-298)=467-67-306=147×(486-480)=177×4-479=550-199-257=149+(362-326)=407+254+81=449-(306+115)=261+225-381=439×2-153=48×9=325+(597-595)=755×5-718=2/6-1/6=133-(119+13)=664-(381+250)=712+332×3=338-(94+218)=164-16×7=523+176=330-(366-302)=222-(101+29)=36+271-154=167+736=119+94×7=222+(231-164)=151×(108-102)=974-911=555-274+601=338+91+59=126+249=255+40-158=490-(105+193)=5/7-1/7=77+93=416-54+86=837+30-387=585×(319-314)=167×3+202=38×3=190×(27-24)=331+280+233=247-(65+95)=151×5+449=263+142-325=307-257+840=273-(430-174)=81×3=322-276+21=327-35×9=428-(348-214)=85×6-122=12+741+614=795+(963-168)=907-(72+712)=429+(454-146)=193-(296-270)=108+119=579+762-953=50×(243-240)=345-56×6=60×4+898=323-85×2=341+95=18-(173-171)=568-320+453=54+161-90=54×(383-375)=683-(103+314)=309+252=354-151+868=4/6+2/6=99-57+405=784-129-380=56-(716-702)=775×9=522×(161-156)=39+(452-71)=992-(255+625)=690-360+232=54+103-123=390+69×5=242+705+565=759+98×6=917-712-79=179+242+304=220+40×5=817-682+774=18×2+343=544×2=97×9-643=245+120-243=235-17×5=390+802+453=498-325-168=497-154×3=231×2=347+99-218=539×(360-354)=173+116=103-78+210=95+88-152=446+(408-319)=329-94-158=2/8+5/8=426-155×2=234+(298-97)=342+19-331=150×6+72=239×(90-86)=461-(184+138)=196×(498-492)=146+352-230=185+447=249+(828-515)=298-232+306=912-454-221=420-156×2=380-(40+282)=966+31-260=315×8-318=781×3-990=239×4-902=855-302=381-64-193=142+182+42=401-(494-434)=319-39-151=801×6-400=873×(132-123)=893+181+766=491-(418-307)=54×7=497-26×2=151×(27-21)=372+471+40=157-139+844=427+10×2=119×6=896+515-57=381+12×6=580-254+284=862+824-342=909-(472+36)=422+(131-33)=56+237-32=415-(122+253)=448-175+98=704-68×2=3/7+2/7=408-78×3=91×2-69=55×(491-486)=788-(248+121)=758+671=123×2+437=286-(191+19)=155×5-234=155×3+374=375-(303+34)=371+90-270=69+32=546+201+797=271-(256-11)=932-(913-407)=918-(684-154)=114-11×3=295-(57+190)=832+781-651=11+94×7=288-(404-202)=229×4=742-186=62×(903-898)=138+24×2=149+(740-723)=494-116=701+351×2=238×3-603=331+287+135=27×7=784-31-355=537-113+549=457-(346-24)=431×2=916-(38+681)=112×4-22=448×6=785-(294+363)=23×4=456-215=57×3+690=934-(107+546)=82+744+707=319+406=693×(517-508)=141×2-196=450+375-171=815-349=392-(476-212)=4/6-1/6=150×3-365=186×5=885-223-503=812-451+508=743+181×4=42+307-149=167-27×4=846-309+772=210-(164-132)=72×5+366=261×8=849×2=491-325=146-41-73=990-439=69-27+206=48×(350-344)=823-(203-136)=274-108=211+276-297=296×2+242=734+84-556=412-191+179=49+276=251-52×2=199-(248-185)=152+(259-11)=953-755+829=18×4+494=296-38-115=988-(786-337)=127-49=243-180=348×7-358=215+(137-43)=468+81-154=2/6+3/6=304+195-227=14+333+221=160-(157-19)=141×3-121=137×2+893=31×(143-135)=75×7+105=17×6=355×3-623=153×3=532-41×5=72×9=436×(98-93)=154-98=225×6-798=29+160+211=443-45×7=562+754=781+703=495+105=949-379-193=432-160=339-61+76=257×(568-559)=292-117+850=850+(633-448)=16×3=145×(379-374)=379-165+282=539-(247-15)=157-26×2=171×5=435-24-109=149+553-79=174+32=334-(451-336)=955-(145-86)=665-(166+49)=146+412+129=916-(546+315)=190+15+31=877-509-106=268-(116-34)=131+510+281=386+85-385=630-542=260+864-521=176+381+45=739-667=492-(225+17)=156+(47-19)=237-(186-100)=626-256-214=208+60×6=37×(514-510)=302+132-296=236×2+90=207-15-64=757-157-423=650×8=483+(960-330)=84×7+804=647+431-190=197×(310-305)=492-398+256=82×2+314=121+226=460+(580-242)=595+176=416-(875-626)=329-87=197-45=202+455+201=365+57-405=181+41+317=446-151-284=288×2+100=130+344=940-491-110=383-(215+12)=654-618+474=220-(139-36)=604+69×8=97×8-203=13+107×6=470+257+73=279-79+132=842+49+41=324×3=424×6-238=204-23-116=553-203-34=477-250+66=422×8-725=1/5+3/5=206-13×9=261-67+889=427-302=140+318-265=173×5=404-29×6=346-172×2=101×(265-258)=988-101+539=745-(311+367)=662+308+754=148×3+672=417-138×3=850-21×7=455-51-400=381+55-349=389-57-93=225+(915-827)=153+549-109=270+401+154=229+261=713+237-186=321-80-74=57+(159-60)=432-89×2=196×4-356=723+(710-387)=952-63=66×(419-412)=669+475+502=771-(109+551)=237+223=141-18×5=303×3-612=367×8=56-(329-293)=406-154=194×6=507+907-540=378-272+63=982-353×2=908-48-469=447-(352+55)=914+252=384-261=653-137-484=978+483-212=260+431+150=456×2=264-65×4=254+118=102×9-584=194+178=206-150-39=664-56×8=420-(962-601)=92-19×4=416+36-436=325×3-381=634×7-549=51×(486-477)=144+297-438=218+97+273=481-(114+95)=799-315×2=224×(181-178)=486-(13+242)=254-243=299+119-364=80+506+224=962+144×6=469-34×9=291-(219+48)=40-26=471+290+136=402-(231+122)=392-32×2=788×6=349×9-335=390+(135-16)=69+268+209=425-392+70=767-(598-468)=415-(83+243)=242×4-503=563×(31-27)=846-(697-513)=3/5-1/5=828-234=19+447-275=276+(426-227)=417-(56+221)=83×3=167×4+37=442×9=76×4-159=933-87×9=301-11+412=4/5-1/5=441+14+879=563×5-341=99×(265-257)=405+501=518×4=446-105-197=753-93-547=146×3-61=360-209-141=101+683-730=275+(661-231)=157×4+180=307-148-102=425+100×3=702+380+511=222+(334-330)=944-(116+506)=70-48+273=383-126-138=840+177=907-(557+195)=249-12×5=402-224-49=955-275=437-117×3=91×9-332=961-(929-686)=57+(198-52)=311+151=76×7+284=500+589-37=54+315=354×(653-644)=873-39×6=303-125×2=299+502=489-(353-340)=632-69+800=927-72×3=129+(308-60)=79×6=150+(465-314)=742-88-332=556×2-578=361-164=989-338-36=686+93+875=2/3-1/3=593-(168+267)=2/4-1/4=199-173+74=1/6+3/6=931-329×2=91+(357-43)=377-313-24=898×(164-158)=160×4=286-105-35=148+683-639=510+823=509-26+66=5/8+2/8=801-440=480-28+323=190×(86-82)=195+135+758=641+(364-359)=337-(79+65)=809×5=694+862-88=852+294=238-51+67=315+(158-131)=137×5-485=994-245-99=111×5-473=127+84+482=365+121=740-433+16=325+345=95×(215-206)=355-29×4=204-37×3=334+641-899=236-117=299-73×2=707+168×4=186×(276-271)=89×7=739-(473+180)=19+307-71=133×3=161×3+100=726-38×2=204×2-77=61+508+292=269+228=99+107=291-244+282=93+82+573=697-(884-553)=898+(793-72)=406-(11+195)=865-(109+746)=170+40+48=818+390×2=273-189=381-(29+311)=48×3=197+235=221-10-108=361+(275-191)=61×(183-176)=514×4=1/9+8/9=912-416=680-614+953=854×3=361-(403-240)=39×8+158=416×(118-109)=175×5=137-(347-319)=190+736-450=281+131=235+122+403=937-112-814=137-10=97+41×8=300-44=242×4-70=430+582=608+907-578=74+12×6=1/6+2/6=41×(406-398)=218-184+339=962-418+896=785-314-16=169×2-206=345-52+91=214+257=382-(183+44)=95×7-471=585+640-746=272-250=381-(305-33)=39+376+273=58+(228-206)=871+(739-78)=233+35×5=447×6-395=126+608=637+254×3=131-27×3=661-(135+266)=341-36=642-(267+114)=799+769-300=756-158=976+657+184=269-118-92=566×8=374-134=247+199×4=278-29×7=125×4-60=701+(399-383)=766×(777-770)=931-199-673=122×6-215=268-219+304=711-162×4=34×(472-468)=79×(84-78)=135+138=608-131-292=889-606=407+(190-156)=142×(311-308)=96×2=110+124=567-156-19=238+353+231=2/7-1/7=14+13=336-38=98+163×4=280×2-182=145×(409-404)=796+372+878=577+848-891=819+459=440-61×4=315-200+315=136-81+336=228-199=173×3=202+214=29×5=3/6+2/6=191×(350-347)=4/7-3/7=41×6-107=432-(168+262)=477-44×4=461-(340-336)=169+111=1/4+2/4=844-831=453×8=310-39×6=57-(260-242)=31×(214-210)=52+150=581×(674-669)=579-(742-205)=643+97+218=426×7=741×2-564=5/7+2/7=360+(500-447)=270×7=145-130=245×2=343-(178+16)=338-(483-374)=493-225=542×2-472=277×(386-383)=450+(409-258)=170×(101-96)=723-(910-695)=69+322=344-17=550+(608-571)=483-112-266=124+(409-333)=25×(82-76)=650+803-820=472-51-93=469-87+315=255×3-589=182+(393-112)=3/7-2/7=444-61-218=84-(423-352)=534×6-825=39×(119-113)=351-265+115=799-372=262-(455-439)=877-(528-233)=495-(926-852)=743+(759-525)=552×(609-604)=535+474+854=794+82×7=957+473+181=320×(402-397)=133×5=344+192×4=326+82-276=469-38-242=278-29+18=310+178=110×8=974-39×2=767×(400-394)=188-69-45=788+(912-449)=648-(959-944)=447-(82-56)=234+(376-44)=450×2-421=546+427=438-438+161=294+(216-50)=33+205+726=470+533+843=117×(478-472)=996-(173-68)=657+212+515=490-453=247+810+984=83+(473-263)=128+133=425+(404-359)=958-51=646-(624-14)=38+148-36=847×4=904-446×2=926×(288-285)=98+358=186-24×2=261+89=166+234×3=52×2=97×8-558=284-64+673=458-187=194×2+254=446-(199+109)=70+990+34=449-345+377=463-331+79=509+113×8=813×9-399=82+139-126=498×7-551=198-17×2=248+42-122=113×4+902=212-26=518-517+607=904×(224-219)=180+879=457×4-147=645×3=458×2+92=409-(209+181)=291-175+137=5/8-2/8=188-(16+120)=359-(310-302)=117+212=466-(16+189)=200×5+175=718+733=902-328-55=16+(112-15)=167+305=378×2+596=106×(355-349)=781-16=30+647+62=498×4=474-238+261=130+(332-239)=279-(134+50)=475-38-153=393-266=394-(372-149)=423×2-319=230+21×2=744×7-644=45+(677-518)=153×6-687=192×(415-410)=465-89=547×(938-929)=318+(850-47)=272+207+143=478-163=32×5-70=316-(208-146)=971-72×2=429-139-280=892-21×2=236+(361-245)=377+755-21=943×7=88+26×5=600-35×6=653+(164-74)=720-134×2=24×2=415-20×7=158+261=330-37=参考答案592-481=111380+(103-54)=429887-(539+232)=116778+(815-388)=1205795-109-246=440443×2=886315-(232+47)=36325×(144-141)=975422-25-12=385506×(41-33)=4048142-125+453=47046×3+228=366925-398-52=475782-(143+340)=29923+(932-54)=901615+807+24=1446950-(955-942)=937545-(348+84)=113294-(436-389)=247478-(168-157)=467170-(147-88)=111587-(955-580)=212782+631-78=133568×9-57=555433+(47-34)=446730-61×6=364282+182+504=968360-165-144=5146×2=92377×(245-239)=226233+169=202454-205=24941+212+736=9892/8-1/8=1/8398-288=110234-141=93999-828+95=266859-198×2=46361+167+276=504146+618+877=1641310-(229+26)=55312-110×2=9288+(495-241)=342466-(366-57)=157467-(170+146)=151737×6-448=3974238×3+79=793379-357=22518-(648-544)=414912-531-306=75766-722=44213+164-105=27285×5=425320-(92+114)=114852-665+75=262119-(480-468)=107411-389=22140+(806-422)=524419-(24+84)=31183+166+655=904315×2=630121+(450-298)=273467-67-306=94147×(486-480)=882177×4-479=229550-199-257=94149+(362-326)=185407+254+81=742449-(306+115)=28261+225-381=105439×2-153=72548×9=432325+(597-595)=327755×5-718=30572/6-1/6=1/6133-(119+13)=1664-(381+250)=33712+332×3=1708338-(94+218)=26164-16×7=52523+176=699330-(366-302)=266222-(101+29)=9236+271-154=153167+736=903119+94×7=777222+(231-164)=289151×(108-102)=906974-911=63555-274+601=882338+91+59=488126+249=375255+40-158=137490-(105+193)=1925/7-1/7=4/777+93=170416-54+86=448837+30-387=480585×(319-314)=2925167×3+202=70338×3=114190×(27-24)=570331+280+233=844247-(65+95)=87151×5+449=1204263+142-325=80307-257+840=890273-(430-174)=1781×3=243322-276+21=67327-35×9=12428-(348-214)=29485×6-122=38812+741+614=1367795+(963-168)=1590907-(72+712)=123429+(454-146)=737193-(296-270)=167108+119=227579+762-953=38850×(243-240)=150345-56×6=960×4+898=1138323-85×2=153341+95=43618-(173-171)=16568-320+453=70154+161-90=12554×(383-375)=432683-(103+314)=266309+252=561354-151+868=10714/6+2/6=199-57+405=447784-129-380=27556-(716-702)=42775×9=6975522×(161-156)=261039+(452-71)=420992-(255+625)=112690-360+232=56254+103-123=34390+69×5=735242+705+565=1512759+98×6=1347917-712-79=126179+242+304=725220+40×5=420817-682+774=90918×2+343=379544×2=108897×9-643=230245+120-243=122235-17×5=150390+802+453=1645498-325-168=5497-154×3=35231×2=462347+99-218=228539×(360-354)=3234173+116=289103-78+210=23595+88-152=31446+(408-319)=535329-94-158=772/8+5/8=7/8426-155×2=116234+(298-97)=435342+19-331=30150×6+72=972239×(90-86)=956461-(184+138)=139196×(498-492)=1176146+352-230=268185+447=632249+(828-515)=562298-232+306=372912-454-221=237420-156×2=108380-(40+282)=58966+31-260=737315×8-318=2202781×3-990=1353239×4-902=54855-302=553381-64-193=124142+182+42=366401-(494-434)=341319-39-151=129801×6-400=4406873×(132-123)=7857893+181+766=1840491-(418-307)=38054×7=378497-26×2=445151×(27-21)=906372+471+40=883157-139+844=862427+10×2=447119×6=714896+515-57=1354381+12×6=453580-254+284=610862+824-342=1344909-(472+36)=401422+(131-33)=52056+237-32=261415-(122+253)=40448-175+98=371704-68×2=5683/7+2/7=5/7408-78×3=17491×2-69=11355×(491-486)=275788-(248+121)=419758+671=1429123×2+437=683286-(191+19)=76155×5-234=541155×3+374=839375-(303+34)=38371+90-270=19169+32=101546+201+797=1544271-(256-11)=26932-(913-407)=426918-(684-154)=388114-11×3=81295-(57+190)=48832+781-651=96211+94×7=669288-(404-202)=86229×4=916742-186=55662×(903-898)=310138+24×2=186149+(740-723)=166494-116=378701+351×2=1403238×3-603=111331+287+135=75327×7=189784-31-355=398537-113+549=973457-(346-24)=135431×2=862916-(38+681)=197112×4-22=426448×6=2688785-(294+363)=12823×4=92456-215=24157×3+690=861934-(107+546)=28182+744+707=1533319+406=725693×(517-508)=6237141×2-196=86450+375-171=654815-349=466392-(476-212)=1284/6-1/6=3/6150×3-365=85186×5=930885-223-503=159812-451+508=869743+181×4=146742+307-149=200167-27×4=59846-309+772=1309210-(164-132)=17872×5+366=726261×8=2088849×2=1698491-325=166146-41-73=32990-439=55169-27+206=24848×(350-344)=288823-(203-136)=756274-108=166211+276-297=190296×2+242=834734+84-556=262412-191+179=40049+276=325251-52×2=147199-(248-185)=136152+(259-11)=400953-755+829=102718×4+494=566296-38-115=143988-(786-337)=539127-49=78243-180=63348×7-358=2078215+(137-43)=309468+81-154=3952/6+3/6=5/6304+195-227=27214+333+221=568160-(157-19)=22141×3-121=302137×2+893=116731×(143-135)=24875×7+105=63017×6=102355×3-623=442153×3=459532-41×5=32772×9=648436×(98-93)=2180154-98=56225×6-798=55229+160+211=400443-45×7=128562+754=1316781+703=1484495+105=600949-379-193=377432-160=272339-61+76=354257×(568-559)=2313292-117+850=1025850+(633-448)=103516×3=48145×(379-374)=725379-165+282=496539-(247-15)=307157-26×2=105171×5=855435-24-109=302149+553-79=623174+32=206334-(451-336)=219955-(145-86)=896665-(166+49)=450146+412+129=687916-(546+315)=55190+15+31=236877-509-106=262268-(116-34)=186131+510+281=922386+85-385=86630-542=88260+864-521=603176+381+45=602739-667=72492-(225+17)=250156+(47-19)=184237-(186-100)=151626-256-214=156208+60×6=56837×(514-510)=148302+132-296=138236×2+90=562207-15-64=128757-157-423=177650×8=5200483+(960-330)=111384×7+804=1392647+431-190=888197×(310-305)=985492-398+256=35082×2+314=478121+226=347460+(580-242)=798595+176=771416-(875-626)=167329-87=242197-45=152202+455+201=858365+57-405=17181+41+317=539446-151-284=11288×2+100=676130+344=474940-491-110=339383-(215+12)=156654-618+474=510220-(139-36)=117604+69×8=115697×8-203=57313+107×6=655470+257+73=800279-79+132=332842+49+41=932324×3=972424×6-238=2306204-23-116=65553-203-34=316477-250+66=293422×8-725=26511/5+3/5=4/5206-13×9=89261-67+889=1083427-302=125140+318-265=193173×5=865404-29×6=230346-172×2=2101×(265-258)=707988-101+539=1426745-(311+367)=67662+308+754=1724148×3+672=1116417-138×3=3850-21×7=703455-51-400=4381+55-349=87389-57-93=239225+(915-827)=313153+549-109=593270+401+154=825229+261=490713+237-186=764321-80-74=16757+(159-60)=156432-89×2=254196×4-356=428723+(710-387)=1046952-63=88966×(419-412)=462669+475+502=1646771-(109+551)=111237+223=460141-18×5=51303×3-612=297367×8=293656-(329-293)=20406-154=252194×6=1164507+907-540=874378-272+63=169982-353×2=276908-48-469=391447-(352+55)=40914+252=1166384-261=123653-137-484=32978+483-212=1249260+431+150=841456×2=912264-65×4=4254+118=372102×9-584=334194+178=372206-150-39=17664-56×8=216420-(962-601)=5992-19×4=16416+36-436=16325×3-381=594634×7-549=388951×(486-477)=459144+297-438=3218+97+273=588481-(114+95)=272799-315×2=169224×(181-178)=672486-(13+242)=231254-243=11299+119-364=5480+506+224=810962+144×6=1826469-34×9=163291-(219+48)=2440-26=14471+290+136=897402-(231+122)=49392-32×2=328788×6=4728349×9-335=2806390+(135-16)=50969+268+209=546425-392+70=103767-(598-468)=637415-(83+243)=89242×4-503=465563×(31-27)=2252846-(697-513)=6623/5-1/5=2/5828-234=59419+447-275=191276+(426-227)=475417-(56+221)=14083×3=249167×4+37=705442×9=397876×4-159=145933-87×9=150301-11+412=7024/5-1/5=3/5441+14+879=1334563×5-341=247499×(265-257)=792405+501=906518×4=2072446-105-197=144753-93-547=113146×3-61=377360-209-141=10101+683-730=54275+(661-231)=705157×4+180=808307-148-102=57425+100×3=725702+380+511=1593222+(334-330)=226944-(116+506)=32270-48+273=295383-126-138=119840+177=1017907-(557+195)=155249-12×5=189402-224-49=129955-275=680437-117×3=8691×9-332=487961-(929-686)=71857+(198-52)=203311+151=46276×7+284=816500+589-37=105254+315=369354×(653-644)=3186873-39×6=639303-125×2=53299+502=801489-(353-340)=476632-69+800=1363927-72×3=711129+(308-60)=37779×6=474150+(465-314)=301742-88-332=322556×2-578=534361-164=197989-338-36=615686+93+875=16542/3-1/3=1/3593-(168+267)=1582/4-1/4=1/4199-173+74=1001/6+3/6=4/6931-329×2=27391+(357-43)=405377-313-24=40898×(164-158)=5388160×4=640286-105-35=146148+683-639=192510+823=1333509-26+66=5495/8+2/8=7/8801-440=361480-28+323=775190×(86-82)=760195+135+758=1088641+(364-359)=646337-(79+65)=193809×5=4045694+862-88=1468852+294=1146238-51+67=254315+(158-131)=342137×5-485=200994-245-99=650111×5-473=82127+84+482=693365+121=486740-433+16=323325+345=67095×(215-206)=855355-29×4=239204-37×3=93334+641-899=76236-117=119299-73×2=153707+168×4=1379186×(276-271)=93089×7=623739-(473+180)=8619+307-71=255133×3=399161×3+100=583726-38×2=650204×2-77=33161+508+292=861269+228=49799+107=206291-244+282=32993+82+573=748697-(884-553)=366898+(793-72)=1619406-(11+195)=200865-(109+746)=10170+40+48=258818+390×2=1598273-189=84381-(29+311)=4148×3=144197+235=432221-10-108=103361+(275-191)=44561×(183-176)=427514×4=20561/9+8/9=1912-416=496680-614+953=1019854×3=2562361-(403-240)=19839×8+158=470416×(118-109)=3744175×5=875137-(347-319)=109190+736-450=476281+131=412235+122+403=760937-112-814=11137-10=12797+41×8=425300-44=256242×4-70=898430+582=1012608+907-578=93774+12×6=1461/6+2/6=3/641×(406-398)=328218-184+339=373962-418+896=1440785-314-16=455169×2-206=132345-52+91=384214+257=471382-(183+44)=15595×7-471=194585+640-746=479272-250=22381-(305-33)=10939+376+273=68858+(228-206)=80871+(739-78)=1532233+35×5=408447×6-395=2287126+608=734637+254×3=1399131-27×3=50661-(135+266)=260341-36=305642-(267+114)=261799+769-300=1268756-158=598976+657+184=1817269-118-92=59566×8=4528374-134=240247+199×4=1043278-29×7=75125×4-60=440701+(399-383)=717766×(777-770)=5362931-199-673=59122×6-215=517268-219+304=353711-162×4=6334×(472-468)=13679×(84-78)=474135+138=273608-131-292=185889-606=283407+(190-156)=441142×(311-308)=42696×2=192110+124=234567-156-19=392238+353+231=8222/7-1/7=1/714+13=27336-38=29898+163×4=750280×2-182=378145×(409-404)=725796+372+878=2046577+848-891=534819+459=1278440-61×4=196315-200+315=430136-81+336=391228-199=29173×3=519202+214=41629×5=1453/6+2/6=5/6191×(350-347)=5734/7-3/7=1/741×6-107=139432-(168+262)=2477-44×4=301461-(340-336)=457169+111=2801/4+2/4=3/4844-831=13453×8=3624310-39×6=7657-(260-242)=3931×(214-210)=12452+150=202581×(674-669)=2905579-(742-205)=42643+97+218=958426×7=2982741×2-