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757×5=393+14+559=925+252+498=493-84×2=524×7=208+470=206+61×4=317-52×5=767-596-49=266+51=970-(455-235)=500-72×3=888-597+154=231+(199-167)=7/10+3/10=321-252+440=319-(483-182)=179-(115-106)=454-(279+89)=130×6-294=152+(497-13)=97+(362-98)=197-(215-141)=172×5-823=230-(434-321)=291-68=587-140+769=688-325+656=232+422+191=179-(299-131)=834×(736-733)=748-642+652=235×8-928=379-78×2=18×(335-331)=443+(410-198)=87×8=223×9-863=335-51-182=379-166-38=2/3-1/3=449-68-302=133-(223-201)=138-(80+25)=167+720+959=228+159×6=572+566-337=347-(988-971)=402-127-256=20+(410-60)=205+143+185=969-(920-688)=337+157=565-(387+68)=403-20-36=97+560+206=236+494=406+222-508=257+(497-400)=487+239+251=931-747=254×2-291=819-(381+248)=911-106-799=885×(708-700)=384-300+388=551-189×2=301-241=330-(778-614)=29+315-100=222×2+905=398+791-736=2/4-1/4=402+(420-342)=33+229-93=980+856+892=143-(54+36)=726+611-396=129×4=486-402=690-601+292=301×(71-68)=213+81=363+(143-44)=430-(415-263)=17+119×6=610-146×2=125×2+62=360+(480-34)=921-(131+689)=29×9=236+(366-358)=894-(282-275)=150+(446-235)=313×2=833×4-135=405-361+42=284+85=206-33=37×8+538=247+175-278=116×2=134-13×3=564×(617-612)=895+368-978=563+251-156=96+162=281×(783-780)=653×(185-176)=103×(926-923)=768-723+946=364-298+93=498-(56+85)=3/8+2/8=270-226+210=285×2=639-133-425=82+15+558=789×9-253=156-35=275×3=298-25×8=1/4+2/4=435-86+177=624-(261+170)=85+124×7=650+(807-130)=474+335+869=841-772=327-101-103=222+214-301=605-470-105=195+60-27=200×(89-86)=772-(43+201)=47+219-99=133+92-135=512-128×4=322×(397-394)=775-33×5=730×3=70×6-305=193+576+49=332-99-151=448×2=63×(295-288)=19+246-10=83×(322-313)=662-213×2=478-(20+263)=348-258+48=845×8-515=185-83×2=613-536+143=21-(53-35)=254+272-496=805-654=337-289+15=115-31×2=885×8=277-227=535-67-377=925-(932-643)=523×3=677×5=119+292-16=183+26-172=197-(114+68)=316-(70+182)=218×(265-262)=524×4-253=96×3+816=82+115=51×9=662-24=219+109+485=799+470=324+27-254=252+245=56×(16-13)=353-158=375×(60-51)=394-177=174+(382-246)=51×8=88-50=116+91-146=64×6-349=132+273-312=437-37-312=980-(508+242)=484-397-27=141×(231-224)=162+271×3=62×(783-774)=372-239-50=314+610=797-(48+611)=670-97×6=803-(244+512)=989+979-115=330-24×4=486-432+214=500+(282-165)=239×3-711=369-64-171=555+524=595-(406-41)=90×3+192=609-(754-172)=729-(279-77)=833-(56+212)=402-(44+27)=590×2-293=945-360-17=300-(319-55)=716-290+222=855-603-201=532+111=436+360=393-129×2=84+210=205-22×7=549-73×5=415×2-410=248+(383-24)=820+377+912=271+89-354=464-164-35=403-(279+106)=112-50=220-25-156=793+(435-157)=435-87-152=497+605+209=558-263-20=202+103+499=576-(16+315)=157-17+225=53+632+323=289-157+257=725-(364-90)=252+384+231=208+(436-312)=979+60×8=605+996-345=337-72-228=976+(862-370)=320×6=6/8-1/8=308-(125-58)=353+97=269-(476-436)=478-(140+172)=866+761+352=911×2=1/5+2/5=264+(224-188)=355+816+735=289×4=215+406+248=756-37×5=961-161-736=995-339=362+236+118=138×4+138=466-(197-60)=905-278+258=360-(198-138)=40+910+35=492-468+407=234+115×3=890-152+593=47+92=656-(23+364)=317+180×4=85+349=72+(454-244)=187-(229-157)=169×5+346=393+(528-279)=182×3-139=3/8+4/8=228-52+248=30+37×9=242×2=240+58=94-44=92×9-669=764-218×3=182+417+301=421-(171+188)=314+360+282=881+225×3=84+899+796=985-443×2=233×2+155=128×5=927×7=27×9-97=822-(336+458)=152+110=280+831=964×5=450-338+133=222+564-531=129-126+235=63×(443-439)=288×3-554=239+338+207=463-237+130=41×8=282×2-539=422-(243+147)=211×4=4/8-2/8=134×(106-103)=13×(358-350)=415-36-10=442-(172+150)=654+(781-201)=92×7+43=337-29×2=147+16+256=71×9+272=172×5=487-52+11=266+339-390=480-60×7=872×(385-380)=559-(89+322)=736×3-812=293-107=39+57=462+50×4=783-334=99-(186-102)=89-(406-343)=916-194-264=198+25+773=75+389-408=815+883-638=309+149=495-(403-67)=287-(29+194)=112×(496-493)=791×9-225=116×6+137=762-(217+428)=675-251-307=443-423=261×2+262=336+401+242=64+359=788×(814-807)=223+22×6=361-79×4=167+183-204=601×(759-755)=211-(110-36)=277-(495-331)=532-52×9=470-25=276×2=719×(295-287)=26+83=350×2=701+772+90=749-325×2=248+70-306=334-208-69=842+(697-186)=152+26-25=3/5-1/5=131×5-519=147×4=525-(17+140)=649-(406+106)=927-169=326-(57+111)=596-(324+246)=780-329+481=701-321=869-625+457=899-398=292+15×8=132×6+108=484-367-29=192+126+324=726+122×2=22×(372-367)=869-344+319=4/6-1/6=189-99+369=94×9+629=492-117-129=395-54×2=54×(54-49)=83×3-136=212-28×3=256+527=195×5-442=374+(442-380)=183×3=93×(63-54)=461+54×6=50×3=4/7-1/7=96×8-234=871×(577-571)=70×(411-408)=263-36×5=351-(497-292)=154-47×2=389-118-164=333+(463-166)=380+831=754-266=680-235=380-138=674-415+375=624×7-504=80+196=230×5-683=338×4-127=450-155-186=788-(624+41)=384-(225-189)=469-168=750+(731-415)=394-76×5=176×(403-398)=154×(193-188)=198+128×3=480×2=874-68×4=424-(172+70)=758-571-14=207-(294-137)=382-33×5=866-602-20=150×4=379+(315-42)=919-166-601=851-(742-720)=198+218=717-501-132=550×2=331-249=834×(669-664)=188+206=420-88×2=290+494+104=810+202+835=438-213+250=219-38×3=140+36-46=74×9+986=496-(271+56)=895-525-95=243×2+225=644+168+497=703×(926-922)=113+(964-453)=186-53=917-147=775-140-48=377-213-13=156×6-482=646+(525-322)=405-(162+68)=777-(497-242)=825+(759-458)=306-(120+162)=505-(36-35)=243+(796-445)=504-69×4=431+245=847×4-883=125×(151-146)=459-(22+89)=283-30×5=692×3-965=87+(993-828)=343-86-152=21+(949-368)=213×5-756=909-212=411-365+263=653-(142+263)=196-52+722=70×9+993=915-(133+234)=447-83×2=713-698=268-58×2=66×9=269-40=328×(466-463)=313+593=740-453+60=755-269+42=311-99×2=392×2=161+104=306-(131+132)=5/7-1/7=409-(43+184)=780×3-713=379×2-560=138-(699-660)=137-12×4=841-(658-499)=54×4-47=998-233×3=347-329+136=2/7+4/7=357+80+159=473-53-354=108+596=310×3-511=321×2-485=345-55×2=427+(582-572)=451-34×8=919+496=325-170=443+963-414=944-(193+289)=680-114-30=939-199+578=221+210=83×8+894=739-(704-580)=651-(71-55)=178-12×6=653+244=321+120=35+(938-133)=374-302+382=27×5+494=866-14×8=376-70-267=73×6-353=432-341+333=422-(310+80)=60×6+195=134×4-319=440+16×9=216+179×2=333-196=845-128=321-(247+37)=151+153=96×8-611=893+784+287=329+977-310=237+140=761×(173-165)=427×2+587=472-364+221=322+132-340=892+769+139=919+79+252=339+150=114×(376-371)=198+200-18=584+(701-389)=359×5-543=162×6=665+143+77=460×(258-252)=445+891=269×2-126=380-20-120=193+187+993=939-(165+139)=320×(354-346)=247+(206-52)=142-16×2=783×2=711+493+179=958-643=4/9+3/9=127+212-290=171+(454-34)=352×(760-756)=950×(89-86)=361×7=493-78=751+117×8=892×7-203=326-(219-146)=114×3-221=415-400+150=423×2-278=356-33-290=171-154=717+(677-447)=797+134×2=177+138-211=352-165×2=131-118+71=551+169=25×4=95×5=18×(61-56)=195+(367-205)=40+207+809=103-63=381+83+262=347-(592-447)=441×2-144=210-17=118+211-73=113+175+163=248×4+977=185×2=61+63=259+242×4=418-(56+37)=870-200-428=494-305-102=112-30=40+265+79=142×3+138=529-164+777=479-(413-67)=656+649-114=598+141×4=310×3-240=184×2+333=946-94-319=6/9+3/9=241×2=364+520+31=134×3=587+(631-533)=494×2-210=773-(894-792)=741+329=710×(865-862)=371+(387-171)=228×(434-430)=337-27-131=408-168+225=371-202+61=346-156=883-(605-451)=146-14×4=409-118×2=485-(582-97)=801+(986-15)=456-(387-383)=880-206+758=626+(816-768)=828-(480-402)=704-279-422=247+740=253+339+380=318-(63+18)=2/5-1/5=325-(175-99)=787×3-566=637+(452-147)=850+986=441-(388+19)=356+350=421×2=525+482+898=550+226=314+(189-49)=344-50×6=109×3=178+652+83=791-71=563-35×7=327-(216-175)=274×2+232=143+(350-202)=139×2+278=718×6=430-379=222+318-309=299-62-156=242+(412-112)=57+863+568=1/9+7/9=120×(266-259)=246×(430-426)=336-(147-91)=950-260×2=12×(377-373)=481-221=342-117=121+102=608-246×2=530+(689-81)=249-(248-225)=158+(952-232)=851-184×3=731+744-202=150×(457-451)=20+73×2=218+375×2=280×9-616=405-341+350=79×5+201=228+453×2=201+135-76=335+(623-437)=997×7=610+555-606=27-25+298=383-58-167=222+84×5=38+(471-446)=189-136=410-(240+63)=98×9-629=608+338-286=876-596+24=919-197-677=923×2=369+72=953×(372-369)=346-(14+98)=914-790=787×3-504=327-(367-88)=420+578+479=210×4-97=253-(304-289)=400-(426-409)=5/9-3/9=438-328=645×7-405=985-(56+94)=2/8+3/8=561-147=289+729-382=543-66-95=752-255+166=937-161=354×8=342-(99+237)=707-111×3=183+91-238=686-664+459=457-(21+404)=710×2-684=153×(599-594)=556×(332-328)=251-127=504+704+420=591+264+442=428+(182-135)=720+483-58=720-201=1/8+3/8=285+596-844=393+385=536+(703-582)=656+577-206=483-40=498+(291-140)=218×6-376=130×2+214=230-70×3=598-538=2/8+4/8=124×(235-232)=206-98=45×(246-240)=297+181-295=464+774=161×5-586=660-353+553=705×7=678×4=685-86-557=108-(896-830)=255+340+733=298+(378-244)=761-674+730=15+187+481=587-(936-882)=72+305-124=285×(34-28)=488+223×2=84+320+795=493-(281+79)=963×9=782×4-186=5/8-2/8=278+366+292=213×3+332=258-13-148=124-(67-44)=107×(423-418)=610-(198+42)=262+60×5=719+534-834=161+368×2=417+456-616=542-(386-58)=353-284+449=247×(27-24)=143+848+993=286+94=130+190=981-158×6=792-(675-225)=908-333×2=675-41-352=133-(144-67)=640-352+649=906+446-613=401+952-431=267×5=987×2=737×3=984-265-525=241+(727-299)=6/10-2/10=388+(350-213)=405×9=179-(148+15)=133+190+505=460+220=839-12×2=947-(65+537)=487-37=866+(913-225)=108+80-155=450-(253+21)=191+11-156=758+367=147-142+109=242×(499-495)=31+64=262×(414-411)=186-162+257=64×6+119=216×(471-467)=578+894-26=184×6-395=411+422×2=676+509+789=200+63-135=646×5-709=448-29-47=223+124=127+(321-110)=606+482-136=46+145=819×5=727×8=301-33-81=491-(97+316)=10×5=463-166+101=289-231=466-164=参考答案757×5=3785393+14+559=966925+252+498=1675493-84×2=325524×7=3668208+470=678206+61×4=450317-52×5=57767-596-49=122266+51=317970-(455-235)=750500-72×3=284888-597+154=445231+(199-167)=2637/10+3/10=1321-252+440=509319-(483-182)=18179-(115-106)=170454-(279+89)=86130×6-294=486152+(497-13)=63697+(362-98)=361197-(215-141)=123172×5-823=37230-(434-321)=117291-68=223587-140+769=1216688-325+656=1019232+422+191=845179-(299-131)=11834×(736-733)=2502748-642+652=758235×8-928=952379-78×2=22318×(335-331)=72443+(410-198)=65587×8=696223×9-863=1144335-51-182=102379-166-38=1752/3-1/3=1/3449-68-302=79133-(223-201)=111138-(80+25)=33167+720+959=1846228+159×6=1182572+566-337=801347-(988-971)=330402-127-256=1920+(410-60)=370205+143+185=533969-(920-688)=737337+157=494565-(387+68)=110403-20-36=34797+560+206=863236+494=730406+222-508=120257+(497-400)=354487+239+251=977931-747=184254×2-291=217819-(381+248)=190911-106-799=6885×(708-700)=7080384-300+388=472551-189×2=173301-241=60330-(778-614)=16629+315-100=244222×2+905=1349398+791-736=4532/4-1/4=1/4402+(420-342)=48033+229-93=169980+856+892=2728143-(54+36)=53726+611-396=941129×4=516486-402=84690-601+292=381301×(71-68)=903213+81=294363+(143-44)=462430-(415-263)=27817+119×6=731610-146×2=318125×2+62=312360+(480-34)=806921-(131+689)=10129×9=261236+(366-358)=244894-(282-275)=887150+(446-235)=361313×2=626833×4-135=3197405-361+42=86284+85=369206-33=17337×8+538=834247+175-278=144116×2=232134-13×3=95564×(617-612)=2820895+368-978=285563+251-156=65896+162=258281×(783-780)=843653×(185-176)=5877103×(926-923)=309768-723+946=991364-298+93=159498-(56+85)=3573/8+2/8=5/8270-226+210=254285×2=570639-133-425=8182+15+558=655789×9-253=6848156-35=121275×3=825298-25×8=981/4+2/4=3/4435-86+177=526624-(261+170)=19385+124×7=953650+(807-130)=1327474+335+869=1678841-772=69327-101-103=123222+214-301=135605-470-105=30195+60-27=228200×(89-86)=600772-(43+201)=52847+219-99=167133+92-135=90512-128×4=0322×(397-394)=966775-33×5=610730×3=219070×6-305=115193+576+49=818332-99-151=82448×2=89663×(295-288)=44119+246-10=25583×(322-313)=747662-213×2=236478-(20+263)=195348-258+48=138845×8-515=6245185-83×2=19613-536+143=22021-(53-35)=3254+272-496=30805-654=151337-289+15=63115-31×2=53885×8=7080277-227=50535-67-377=91925-(932-643)=636523×3=1569677×5=3385119+292-16=395183+26-172=37197-(114+68)=15316-(70+182)=64218×(265-262)=654524×4-253=184396×3+816=110482+115=19751×9=459662-24=638219+109+485=813799+470=1269324+27-254=97252+245=49756×(16-13)=168353-158=195375×(60-51)=3375394-177=217174+(382-246)=31051×8=40888-50=38116+91-146=6164×6-349=35132+273-312=93437-37-312=88980-(508+242)=230484-397-27=60141×(231-224)=987162+271×3=97562×(783-774)=558372-239-50=83314+610=924797-(48+611)=138670-97×6=88803-(244+512)=47989+979-115=1853330-24×4=234486-432+214=268500+(282-165)=617239×3-711=6369-64-171=134555+524=1079595-(406-41)=23090×3+192=462609-(754-172)=27729-(279-77)=527833-(56+212)=565402-(44+27)=331590×2-293=887945-360-17=568300-(319-55)=36716-290+222=648855-603-201=51532+111=643436+360=796393-129×2=13584+210=294205-22×7=51549-73×5=184415×2-410=420248+(383-24)=607820+377+912=2109271+89-354=6464-164-35=265403-(279+106)=18112-50=62220-25-156=39793+(435-157)=1071435-87-152=196497+605+209=1311558-263-20=275202+103+499=804576-(16+315)=245157-17+225=36553+632+323=1008289-157+257=389725-(364-90)=451252+384+231=867208+(436-312)=332979+60×8=1459605+996-345=1256337-72-228=37976+(862-370)=1468320×6=19206/8-1/8=5/8308-(125-58)=241353+97=450269-(476-436)=229478-(140+172)=166866+761+352=1979911×2=18221/5+2/5=3/5264+(224-188)=300355+816+735=1906289×4=1156215+406+248=869756-37×5=571961-161-736=64995-339=656362+236+118=716138×4+138=690466-(197-60)=329905-278+258=885360-(198-138)=30040+910+35=985492-468+407=431234+115×3=579890-152+593=133147+92=139656-(23+364)=269317+180×4=103785+349=43472+(454-244)=282187-(229-157)=115169×5+346=1191393+(528-279)=642182×3-139=4073/8+4/8=7/8228-52+248=42430+37×9=363242×2=484240+58=29894-44=5092×9-669=159764-218×3=110182+417+301=900421-(171+188)=62314+360+282=956881+225×3=155684+899+796=1779985-443×2=99233×2+155=621128×5=640927×7=648927×9-97=146822-(336+458)=28152+110=262280+831=1111964×5=4820450-338+133=245222+564-531=255129-126+235=23863×(443-439)=252288×3-554=310239+338+207=784463-237+130=35641×8=328282×2-539=25422-(243+147)=32211×4=8444/8-2/8=2/8134×(106-103)=40213×(358-350)=104415-36-10=369442-(172+150)=120654+(781-201)=123492×7+43=687337-29×2=279147+16+256=41971×9+272=911172×5=860487-52+11=446266+339-390=215480-60×7=60872×(385-380)=4360559-(89+322)=148736×3-812=1396293-107=18639+57=96462+50×4=662783-334=44999-(186-102)=1589-(406-343)=26916-194-264=458198+25+773=99675+389-408=56815+883-638=1060309+149=458495-(403-67)=159287-(29+194)=64112×(496-493)=336791×9-225=6894116×6+137=833762-(217+428)=117675-251-307=117443-423=20261×2+262=784336+401+242=97964+359=423788×(814-807)=5516223+22×6=355361-79×4=45167+183-204=146601×(759-755)=2404211-(110-36)=137277-(495-331)=113532-52×9=64470-25=445276×2=552719×(295-287)=575226+83=109350×2=700701+772+90=1563749-325×2=99248+70-306=12334-208-69=57842+(697-186)=1353152+26-25=1533/5-1/5=2/5131×5-519=136147×4=588525-(17+140)=368649-(406+106)=137927-169=758326-(57+111)=158596-(324+246)=26780-329+481=932701-321=380869-625+457=701899-398=501292+15×8=412132×6+108=900484-367-29=88192+126+324=642726+122×2=97022×(372-367)=110869-344+319=8444/6-1/6=3/6189-99+369=45994×9+629=1475492-117-129=246395-54×2=28754×(54-49)=27083×3-136=113212-28×3=128256+527=783195×5-442=533374+(442-380)=436183×3=54993×(63-54)=837461+54×6=78550×3=1504/7-1/7=3/796×8-234=534871×(577-571)=522670×(411-408)=210263-36×5=83351-(497-292)=146154-47×2=60389-118-164=107333+(463-166)=630380+831=1211754-266=488680-235=445380-138=242674-415+375=634624×7-504=386480+196=276230×5-683=467338×4-127=1225450-155-186=109788-(624+41)=123384-(225-189)=348469-168=301750+(731-415)=1066394-76×5=14176×(403-398)=880154×(193-188)=770198+128×3=582480×2=960874-68×4=602424-(172+70)=182758-571-14=173207-(294-137)=50382-33×5=217866-602-20=244150×4=600379+(315-42)=652919-166-601=152851-(742-720)=829198+218=416717-501-132=84550×2=1100331-249=82834×(669-664)=4170188+206=394420-88×2=244290+494+104=888810+202+835=1847438-213+250=475219-38×3=105140+36-46=13074×9+986=1652496-(271+56)=169895-525-95=275243×2+225=711644+168+497=1309703×(926-922)=2812113+(964-453)=624186-53=133917-147=770775-140-48=587377-213-13=151156×6-482=454646+(525-322)=849405-(162+68)=175777-(497-242)=522825+(759-458)=1126306-(120+162)=24505-(36-35)=504243+(796-445)=594504-69×4=228431+245=676847×4-883=2505125×(151-146)=625459-(22+89)=348283-30×5=133692×3-965=111187+(993-828)=252343-86-152=10521+(949-368)=602213×5-756=309909-212=697411-365+263=309653-(142+263)=248196-52+722=86670×9+993=1623915-(133+234)=548447-83×2=281713-698=15268-58×2=15266×9=594269-40=229328×(466-463)=984313+593=906740-453+60=347755-269+42=528311-99×2=113392×2=784161+104=265306-(131+132)=435/7-1/7=4/7409-(43+184)=182780×3-713=1627379×2-560=198138-(699-660)=99137-12×4=89841-(658-499)=68254×4-47=169998-233×3=299347-329+136=1542/7+4/7=6/7357+80+159=596473-53-354=66108+596=704310×3-511=419321×2-485=157345-55×2=235427+(582-572)=437451-34×8=179919+496=1415325-170=155443+963-414=992944-(193+289)=462680-114-30=536939-199+578=1318221+210=43183×8+894=1558739-(704-580)=615651-(71-55)=635178-12×6=106653+244=897321+120=44135+(938-133)=840374-302+382=45427×5+494=629866-14×8=754376-70-267=3973×6-353=85432-341+333=424422-(310+80)=3260×6+195=555134×4-319=217440+16×9=584216+179×2=574333-196=137845-128=717321-(247+37)=37151+153=30496×8-611=157893+784+287=1964329+977-310=996237+140=377761×(173-165)=6088427×2+587=1441472-364+221=329322+132-340=114892+769+139=1800919+79+252=1250339+150=489114×(376-371)=570198+200-18=380584+(701-389)=896359×5-543=1252162×6=972665+143+77=885460×(258-252)=2760445+891=1336269×2-126=412380-20-120=240193+187+993=1373939-(165+139)=635320×(354-346)=2560247+(206-52)=401142-16×2=110783×2=1566711+493+179=1383958-643=3154/9+3/9=7/9127+212-290=49171+(454-34)=591352×(760-756)=1408950×(89-86)=2850361×7=2527493-78=415751+117×8=1687892×7-203=6041326-(219-146)=253114×3-221=121415-400+150=165423×2-278=568356-33-290=33171-154=17717+(677-447)=947797+134×2=1065177+138-211=104352-165×2=22131-118+71=84551+169=72025×4=10095×5=47518×(61-56)=90195+(367-205)=35740+207+809=1056103-63=40381+83+262=726347-(592-447)=202441×2-144=738210-17=193118+211-73=256113+175+163=451248×4+977=1969185×2=37061+63=124259+242×4=1227418-(56+37)=325870-200-428=242494-305-102=87112-30=8240+265+79=384142×3+138=564529-164+777=1142479-(413-67)=133656+649-114=1191598+141×4=1162310×3-240=690184×2+333=701946-94-319=5336/9+3/9=1241×2=482364+520+31=915134×3=402587+(631-533)=685494×2-210=778773-(894-792)=671741+329=1070710×(865-862)=2130371+(387-171)=587228×(434-430)=912337-27-131=179408-168+225=465371-202+61=230346-156=190883-(605-451)=729146-14×4=90409-118×2=173485-(582-97)=0801+(986-15)=1772456-(387-383)=452880-206+758=1432626+(816-768)=674828-(480-402)=750704-279-422=3247+740=987253+339+380=972318-(63+18)=2372/5-1/5=1/5325-(175-99)=249787×3-566=1795637+(452-147)=942850+986=1836441-(388+19)=34356+350=706421×2=842525+482+898=1905550+226=776314+(189-49)=454344-50×6=44109×3=327178+652+83=913791-71=720563-35×7=318327-(216-175)=286274×2+232=780143+(350-202)=291139×2+278=556718×6=4308430-379=51222+318-309=231299-62-156=81242+(412-112)=54257+863+568=14881/9+7/9=8/9120×(266-259)=840246×(430-426)=984336-(147-91)=280950-260×2=43012×(377-373)=48481-221=260342-117=225121+102=223608-246×2=116530+(689-81)=1138249-(248-225)=226158+(952-232)=878851-184×3=299731+744-202=1273150×(457-451)=90020+73×2=166218+375×2=968280×9-616=1904405-341+350=41479×5+201=596228+453×2=1134201+135-76=260335+(62