三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦879-(857-708)=175-148+274=536-(162+117)=46×(46-39)=165×6=606+57×4=965-257+342=15+(434-34)=72+393-255=836+80+226=306-45-199=730-405-217=217×(411-403)=307+32×3=578+993+382=305-(388-380)=227-(110+115)=110×2=837-574-245=467-(366-276)=842+114×2=540-472=27+549-181=209-113-81=483-425+252=72+332-337=383×2-399=838+49+740=832+(488-153)=347+(226-211)=413×7-627=494-(467-175)=69×(110-101)=601+591+548=897-(855-102)=1/3+2/3=289-217-14=651+351-15=240×3-91=833-(35+549)=953-(613-153)=319-16-270=425×9=207+213=105+74=663×3-303=293-185=146+301-101=82×8-199=452+529+343=643-(976-602)=751×9=405-136-203=434-189+176=44-21=839-487+533=584+(659-652)=50×4+186=448-333-109=744×(216-211)=471-38-109=510+(544-293)=21×4+139=414-112-39=614-441+403=239×3-210=213-85=412-(72+239)=377-340=128-13=954-429-82=207+259+777=719-688=37×7=112×5=335-119+303=155×(84-78)=929-228×3=264-185-49=282×3-40=218×3=951-(351+376)=179+123+595=445+(202-115)=942-106-731=886+285+866=947-728-69=878-(400+18)=3/8+2/8=532+841-756=282+152-106=5/10-1/10=420×(637-628)=656-133×4=715-460+398=491-136-128=118+21=250-(65+126)=276-(714-651)=273×3-454=12×4+476=456×2-815=123×7-342=566+66+138=283-69×3=749-137×4=844-27-149=774×2-23=766-(36+51)=32×(320-312)=149×(990-985)=600+138+229=42×(221-214)=728×3=371+493+996=771-93=434×(117-110)=339+(843-148)=436-265+725=309-(490-451)=60+184=225×4-527=286-142+229=25×2+944=547-490+112=174-55-58=206×3-429=420-(858-586)=523-28=892+(628-398)=201+495+988=320+81=521×8-75=37×2+259=435-(20+151)=420-34-274=449-170=442-10=733×(945-936)=8/10+2/10=149-16-127=158-59=202×3-390=564+(514-134)=864-21×5=79+(118-79)=413-(310+17)=475-212-180=233-(16+101)=169+192-40=317-(295+14)=272×3-183=5/7-1/7=439-370-12=183-(55-22)=699-(564+88)=204+293+799=345-(399-164)=481×6-182=917-379=224×(226-222)=423+611-728=341-178-55=943-370=160×(164-156)=173-(10+36)=326×2-550=110+264-119=446×2-217=39×4=883-(217+138)=335×2-331=228×4+190=522-(227+184)=140+(460-205)=124-(637-597)=288-30×9=239-(114+86)=727+(607-492)=461-37×6=685-(303-245)=701×(346-342)=241-146=304-131+937=253-108+90=3/8-1/8=226+61=68+141=314+328+264=129+159×2=629-220×2=82×2+471=449+192+347=19+282+224=868+175×2=452-(239+118)=308×3+886=119×8-728=121×6=337+272+312=37×(333-326)=479-(321-280)=316-151=158×3-451=247-(385-328)=148+351-291=55×(390-383)=386-102+197=329×3-789=139+184×2=209-(33+76)=192+56×6=974-298-149=161+142=798+258+927=330-87×3=57+(901-504)=465-185=397-229=526-98=404+(306-271)=724-(32+79)=415-82×3=128-(782-708)=83+197=790-(192+82)=467-40=120+244=468-(181+154)=89×4=72×9+314=333-59×4=389-(24+119)=332+33×6=842-(633+182)=753-(246-163)=2/7+4/7=671+231×4=626×(15-12)=563-294+59=337×3=339-276=450-376+419=213+131-288=753×2-876=58×6=553+242=250×9=916-107×2=219+174=34×2=708+(630-588)=206+176=361+(920-388)=180×2=761-(727-543)=89×9=448-(271+163)=330-31×7=301+886+534=601-291+555=879-(45+506)=705+200=287-111×2=434+36-316=859-600=882×3-239=23×8=252+(311-183)=50×7=176+254+422=999-811-99=100×5+162=850-52×3=331-(396-150)=72+202+132=110+92=638×(153-144)=974-381-584=753×4-158=342+13×8=639+204×3=322-(322-62)=796-90-334=597+790=40×5=342×3=95×(84-81)=329-29=450+491=481-31×3=878-218-119=273×3=84×7+398=256+117=416-246+193=120×6=196+149=19×9+440=38+52=223+43=157×(239-236)=152×3+438=494-137×2=26×9+293=688×7-12=315+324+253=878+100-596=427+(949-665)=26×4=447-95+667=451-(36+351)=782+482-516=151×(806-798)=51×7=865+45+298=951+71-412=225+53+232=104+359-29=870-96-585=998-337+552=260×3-209=304+(658-522)=99×9=674+408=339+(402-263)=728×6=758+620=110+342=271+(560-377)=618×2=212+410=298+(241-85)=12×4+949=810-100-584=153×6=316-96=417×2+125=822+235-866=838-35×7=693+103×8=367×3-658=52+376+452=290-210+775=696-(958-332)=275-253=459+(262-10)=47+(698-203)=167-48×2=694-670=191+75=388-127×2=98×3+189=806×8=351+119-286=500-(78+335)=524+688-648=239×3=382-41×7=233×6=887-875=937-317-499=304-(495-412)=208-179+95=825-33×3=125-44=517-244=966-477×2=799-68×4=465-312=289+363+161=792+43×9=868-(15+401)=56+389+427=458-76=111+36=467-107=393+594=715×7=496-12×6=605+884+838=393+(288-199)=146+382+207=107-12-58=269×4-978=79+(426-247)=992+116-617=223-(27+84)=444+274+898=164-(97+42)=449-178=360+(266-265)=284+647-562=208+169+290=126×(29-23)=246+124-129=434-338+46=234+(192-151)=118+272-35=228-212=251-31×3=969×6=215×(783-777)=141×6-52=572-267+531=199-(82-17)=73×(395-388)=985+(766-517)=31+415-67=810-752+356=97×3=188+107×2=782-(609-467)=470-54×7=19×4+297=722×6-195=321+437=467-(83+177)=844×8-203=806-(459-189)=11+(254-241)=299+190+468=90+400×2=167+265=996-(807-739)=331-101+145=495-286-96=93×9-351=98+(498-417)=433-(357-84)=714-16-552=383×7-637=484-199+122=16+692-618=1/7+4/7=41+152×4=124×(145-142)=471×3=306-50=405-397+13=598-(168+362)=958-68=112+86=1/6+3/6=291-92×3=446-234+25=563-41×7=555+568=54+430×2=282-(494-407)=222+388-525=424-192+865=119×6-463=506×2=453×(801-795)=196×4-429=368×(408-403)=325-271-29=456×2-535=193+206=926-231+118=534-21=585-59-378=997×(378-372)=151+189=385+844=11×9=29×(299-291)=151×(307-303)=742+132+106=172+(340-241)=60×(208-204)=483+(436-348)=56+98=31+399-51=936+751+266=776-412-151=4/8-2/8=406-131-137=126×5+124=336+67×9=281-63×2=95-90+46=648-268=880×(143-140)=590-377=823-609-163=592×7=839×2=2/5-1/5=162×(128-125)=179×3-98=500+(384-26)=219-92-42=74×3+155=43×9=900-58×5=421-78-324=2/8+4/8=756-286+131=117+(694-311)=265×2=209×5=773-563+323=236×7=166×(140-135)=928-206×4=468+(992-688)=1/10+9/10=441+42×9=258+136-231=651×7-997=576-52×3=88×(324-315)=491-(165-25)=151-110+422=118-72+384=329-(22+209)=865+799-720=488-31×5=408+(256-145)=2/6-1/6=874+550=425-71=3/7-2/7=157+(312-101)=422-(284+25)=992+(579-236)=129+20+349=307+14×9=385+830=903+224-888=367-121×2=985-358-521=784×6-442=839-410×2=175+286=88+374=154+(444-299)=310-(48+62)=648-104×6=660+33+86=434-(516-126)=424-(448-24)=163×4-306=820-347=837-(72+430)=592+639-40=137+150-233=606+309=964-(846-220)=681-46=454-(283-172)=95×4+672=200+100=906-467=3/8+4/8=272-15×6=443+86=593-413+493=240+124-202=56×2=4/7+2/7=248-(342-207)=379-(204+128)=723-(765-77)=966-469-252=356-268=152+261=663+407=482-317+317=147+542+54=486+29×4=990+455=440-(325+12)=335-274+56=54×8=220-121-85=3/6+2/6=413-136×3=491-(170+66)=50×(161-153)=5/7+2/7=161-34×2=274-219+396=828+481-839=303-112-122=659+482-94=776×2=391-372+878=730+205-200=803×8-553=942+(830-583)=306-118-83=266×2-82=198-13×4=276-12×8=184+86=725-468+160=222×3-320=481-(413-75)=956-139×5=815-(714+101)=222×8-537=197-56=5/9-4/9=31×(140-133)=288+111-252=119×(121-117)=474-37×4=348-244=854+(180-14)=217+(998-844)=741+492+808=173+290-114=485-194=922×(883-876)=494-387+288=471×2+588=635-(718-600)=546+983=292-51-29=691+58×4=147×6=458-(347-309)=334-(91+11)=948+414+903=873-67×5=234+(470-436)=119×6-498=104+231+571=467-363+34=49+(472-36)=297-31=527-24×6=756+737+154=358×6-190=206×2=90+78=124×7-608=543+927+644=245-(238-205)=994+476-747=617+957-685=911-(135+533)=277+(413-396)=406+769+357=290-37×4=683-(255+163)=42+315×3=2/4-1/4=78+253-295=35×(778-770)=495+(293-23)=207+542=378-191-121=703-30×3=175×3+307=179+(147-55)=134-20+368=174+499=342-(177+98)=925-36=952-(444+54)=478-188-212=185+532+787=969+163-516=206-(324-309)=121×2=950×(483-475)=294-49-126=381+(269-264)=227+943+332=944-310-513=344×(731-725)=2/7-1/7=356-328+186=537+925-731=64×(396-391)=282-143+20=978-189+921=716×7=214+456=501+909+615=308-308+259=328-(676-606)=934+(913-301)=204+795+937=526+273+149=695-61+879=647×(493-490)=427-309=143-(87-23)=850-373-205=135×(341-337)=413-(688-426)=907-(731-648)=942-216×4=24×9-109=631-281+169=439-(327+53)=367×(261-258)=514+(942-827)=153+(419-382)=55+222=18+985-699=208×3-382=203+284+189=71×(157-151)=123+41×7=753-34+483=646+481×2=168+64=448+(709-45)=31-24+948=4/9-3/9=21×5+119=97×5=174+176-331=560+644=412-(432-136)=667-(554-41)=280+893+780=254-(65-40)=47+209+563=520×7=437+50×5=554-(546-454)=116+342=235-(16+130)=307-17+51=25×(652-649)=942-164=638-328-49=105-(19-12)=589×3-233=243+214+206=220×3+170=282-282+34=254-44×4=602+722-766=604+131×2=363-67×3=442-(474-142)=477+(857-229)=755×7-723=322×(504-497)=55×(241-235)=740-(75+126)=392-225=261-183+298=320+121-388=472-140-280=193+279=678×4-711=43-30=526-(255-12)=83×(209-201)=233+32+251=422+185-150=27×(173-166)=43×(105-100)=665-619+916=409-69×5=461-(55+399)=67×2=532+73+238=165×(178-172)=489-(745-696)=337×2-421=11×5=971-721=787+381×2=112×7-577=140+344-417=873-132×6=581+961+720=591×(455-452)=744-(502+48)=138+78-164=961-392-38=714-16×9=785×(388-379)=359-140=662+567-137=868-725-118=312×7=272-(173+31)=87+361-54=48×4=29+(368-161)=819-(475+136)=155-(221-144)=2/3-1/3=124×5+262=706-180=404-192=305-95×2=72-14×2=288-16-269=142+306-298=136+180-278=284-(309-209)=325×(764-757)=442-(353+41)=837-(19+791)=370-57×5=848-(756-572)=178+176×4=128×6+38=376-(39+243)=195×8=871+559-917=539-(273+80)=80×9-200=807+51+342=122-89=331+84-343=65+(497-230)=206+270=402-(227-96)=490-108-42=26×8-201=644-89×3=47×9+225=39×3+438=304×3-846=93×9-788=843-120×6=367-(432-195)=689-475=105+370-242=913-(705+110)=733×(623-615)=122+256-270=916+813-267=431-210=52×2=228+166=997+100×3=281+217+394=375+(720-349)=492-179-157=546-(39+159)=978-441-38=684-(324-260)=312×(119-111)=116×(31-24)=386×2=356-(197-150)=162×4+520=103+403+380=449-431+333=742-629+867=42+786+856=414+(745-76)=429+(691-670)=239+208+359=342-222+377=247+(868-686)=363+83=886-(135+686)=951-250-224=403-112×3=參考答案879-(857-708)=730175-148+274=301536-(162+117)=25746×(46-39)=322165×6=990606+57×4=834965-257+342=105015+(434-34)=41572+393-255=210836+80+226=1142306-45-199=62730-405-217=108217×(411-403)=1736307+32×3=403578+993+382=1953305-(388-380)=297227-(110+115)=2110×2=220837-574-245=18467-(366-276)=377842+114×2=1070540-472=6827+549-181=395209-113-81=15483-425+252=31072+332-337=67383×2-399=367838+49+740=1627832+(488-153)=1167347+(226-211)=362413×7-627=2264494-(467-175)=20269×(110-101)=621601+591+548=1740897-(855-102)=1441/3+2/3=1289-217-14=58651+351-15=987240×3-91=629833-(35+549)=249953-(613-153)=493319-16-270=33425×9=3825207+213=420105+74=179663×3-303=1686293-185=108146+301-101=34682×8-199=457452+529+343=1324643-(976-602)=269751×9=6759405-136-203=66434-189+176=42144-21=23839-487+533=885584+(659-652)=59150×4+186=386448-333-109=6744×(216-211)=3720471-38-109=324510+(544-293)=76121×4+139=223414-112-39=263614-441+403=576239×3-210=507213-85=128412-(72+239)=101377-340=37128-13=115954-429-82=443207+259+777=1243719-688=3137×7=259112×5=560335-119+303=519155×(84-78)=930929-228×3=245264-185-49=30282×3-40=806218×3=654951-(351+376)=224179+123+595=897445+(202-115)=532942-106-731=105886+285+866=2037947-728-69=150878-(400+18)=4603/8+2/8=5/8532+841-756=617282+152-106=3285/10-1/10=4/10420×(637-628)=3780656-133×4=124715-460+398=653491-136-128=227118+21=139250-(65+126)=59276-(714-651)=213273×3-454=36512×4+476=524456×2-815=97123×7-342=519566+66+138=770283-69×3=76749-137×4=201844-27-149=668774×2-23=1525766-(36+51)=67932×(320-312)=256149×(990-985)=745600+138+229=96742×(221-214)=294728×3=2184371+493+996=1860771-93=678434×(117-110)=3038339+(843-148)=1034436-265+725=896309-(490-451)=27060+184=244225×4-527=373286-142+229=37325×2+944=994547-490+112=169174-55-58=61206×3-429=189420-(858-586)=148523-28=495892+(628-398)=1122201+495+988=1684320+81=401521×8-75=409337×2+259=333435-(20+151)=264420-34-274=112449-170=279442-10=432733×(945-936)=65978/10+2/10=1149-16-127=6158-59=99202×3-390=216564+(514-134)=944864-21×5=75979+(118-79)=118413-(310+17)=86475-212-180=83233-(16+101)=116169+192-40=321317-(295+14)=8272×3-183=6335/7-1/7=4/7439-370-12=57183-(55-22)=150699-(564+88)=47204+293+799=1296345-(399-164)=110481×6-182=2704917-379=538224×(226-222)=896423+611-728=306341-178-55=108943-370=573160×(164-156)=1280173-(10+36)=127326×2-550=102110+264-119=255446×2-217=67539×4=156883-(217+138)=528335×2-331=339228×4+190=1102522-(227+184)=111140+(460-205)=395124-(637-597)=84288-30×9=18239-(114+86)=39727+(607-492)=842461-37×6=239685-(303-245)=627701×(346-342)=2804241-146=95304-131+937=1110253-108+90=2353/8-1/8=2/8226+61=28768+141=209314+328+264=906129+159×2=447629-220×2=18982×2+471=635449+192+347=98819+282+224=525868+175×2=1218452-(239+118)=95308×3+886=1810119×8-728=224121×6=726337+272+312=92137×(333-326)=259479-(321-280)=438316-151=165158×3-451=23247-(385-328)=190148+351-291=20855×(390-383)=385386-102+197=481329×3-789=198139+184×2=507209-(33+76)=100192+56×6=528974-298-149=527161+142=303798+258+927=1983330-87×3=6957+(901-504)=454465-185=280397-229=168526-98=428404+(306-271)=439724-(32+79)=613415-82×3=169128-(782-708)=5483+197=280790-(192+82)=516467-40=427120+244=364468-(181+154)=13389×4=35672×9+314=962333-59×4=97389-(24+119)=246332+33×6=530842-(633+182)=27753-(246-163)=6702/7+4/7=6/7671+231×4=1595626×(15-12)=1878563-294+59=328337×3=1011339-276=63450-376+419=493213+131-288=56753×2-876=63058×6=348553+242=795250×9=2250916-107×2=702219+174=39334×2=68708+(630-588)=750206+176=382361+(920-388)=893180×2=360761-(727-543)=57789×9=801448-(271+163)=14330-31×7=113301+886+534=1721601-291+555=865879-(45+506)=328705+200=905287-111×2=65434+36-316=154859-600=259882×3-239=240723×8=184252+(311-183)=38050×7=350176+254+422=852999-811-99=89100×5+162=662850-52×3=694331-(396-150)=8572+202+132=406110+92=202638×(153-144)=5742974-381-584=9753×4-158=2854342+13×8=446639+204×3=1251322-(322-62)=62796-90-334=372597+790=138740×5=200342×3=102695×(84-81)=285329-29=300450+491=941481-31×3=388878-218-119=541273×3=81984×7+398=986256+117=373416-246+193=363120×6=720196+149=34519×9+440=61138+52=90223+43=266157×(239-236)=471152×3+438=894494-137×2=22026×9+293=527688×7-12=4804315+324+253=892878+100-596=382427+(949-665)=71126×4=104447-95+667=1019451-(36+351)=64782+482-516=748151×(806-798)=120851×7=357865+45+298=1208951+71-412=610225+53+232=510104+359-29=434870-96-585=189998-337+552=1213260×3-209=571304+(658-522)=44099×9=891674+408=1082339+(402-263)=478728×6=4368758+620=1378110+342=452271+(560-377)=454618×2=1236212+410=622298+(241-85)=45412×4+949=997810-100-584=126153×6=918316-96=220417×2+125=959822+235-866=191838-35×7=593693+103×8=1517367×3-658=44352+376+452=880290-210+775=855696-(958-332)=70275-253=22459+(262-10)=71147+(698-203)=542167-48×2=71694-670=24191+75=266388-127×2=13498×3+189=483806×8=6448351+119-286=184500-(78+335)=87524+688-648=564239×3=717382-41×7=95233×6=1398887-875=12937-317-499=121304-(495-412)=221208-179+95=124825-33×3=726125-44=81517-244=273966-477×2=12799-68×4=527465-312=153289+363+161=813792+43×9=1179868-(15+401)=45256+389+427=872458-76=382111+36=147467-107=360393+594=987715×7=5005496-12×6=424605+884+838=2327393+(288-199)=482146+382+207=735107-12-58=37269×4-978=9879+(426-247)=258992+116-617=491223-(27+84)=112444+274+898=1616164-(97+42)=25449-178=271360+(266-265)=361284+647-562=369208+169+290=667126×(29-23)=756246+124-129=241434-338+46=142234+(192-151)=275118+272-35=355228-212=16251-31×3=158969×6=5814215×(783-777)=1290141×6-52=794572-267+531=836199-(82-17)=13473×(395-388)=511985+(766-517)=123431+415-67=379810-752+356=41497×3=291188+107×2=402782-(609-467)=640470-54×7=9219×4+297=373722×6-195=4137321+437=758467-(83+177)=207844×8-203=6549806-(459-189)=53611+(254-241)=24299+190+468=95790+400×2=890167+265=432996-(807-739)=928331-101+145=375495-286-96=11393×9-351=48698+(498-417)=179433-(357-84)=160714-16-552=146383×7-637=2044484-199+122=40716+692-618=901/7+4/7=5/741+152×4=649124×(145-142)=372471×3=1413306-50=256405-397+13=21598-(168+362)=68958-68=890112+86=1981/6+3/6=4/6291-92×3=15446-234+25=237563-41×7=276555+568=112354+430×2=914282-(494-407)=195222+388-525=85424-192+865=1097119×6-463=251506×2=1012453×(801-795)=2718196×4-429=355368×(408-403)=1840325-271-29=25456×2-535=377193+206=399926-231+118=813534-21=513585-59-378=148997×(378-372)=5982151+189=340385+844=122911×9=9929×(299-291)=232151×(307-303)=604742+132+106=980172+(340-241)=27160×(208-204)=240483+(436-348)=57156+98=15431+399-51=379936+751+266=1953776-412-151=2134/8-2/8=2/8406-131-137=138126×5+124=754336+67×9=939281-63×2=15595-90+46=51648-268=380880×(143-140)=2640590-377=213823-609-163=51592×7=4144839×2=16782/5-1/5=1/5162×(128-125)=486179×3-98=439500+(384-26)=858219-92-42=8574×3+155=37743×9=387900-58×5=610421-78-324=192/8+4/8=6/8756-286+131=601117+(694-311)=500265×2=530209×5=1045773-563+323=533236×7=1652166×(140-135)=830928-206×4=104468+(992-688)=7721/10+9/10=1441+42×9=819258+136-231=163651×7-997=3560576-52×3=42088×(324-315)=792491-(165-25)=351151-110+422=463118-72+384=430329-(22+209)=98865+799-720=944488-31×5=333408+(256-145)=5192/6-1/6=1/6874+550=1424425-71=3543/7-2/7=1/7157+(312-101)=368422-(284+25)=113992+(579-236)=1335129+20+349=498307+14×9=433385+830=1215903+224-888=239367-121×2=125985-358-521=106784×6-442=4262839-410×2=19175+286=46188+374=462154+(444-299)=299310-(48+62)=200648-104×6=24660+33+86=779434-(516-126)=44424-(448-24)=0163×4-306=346820-347=473837-(72+430)=335592+639-40=1191137+150-233=54606+309=915964-(846-220)=338681-46=635454-(283-172)=34395×4+672=1052200+100=300906-467=4393/8+4/8=7/8272-15×6=182443+86=529593-413+493=673240+124-202=16256×2=1124/7+2/7=6/7248-(342-207)=113379-(204+128)=47723-(765-77)=35966-469-252=245356-268=88152+261=413663+407=1070482-317+317=482147+542+54=743486+29×4=602990+455=1445440-(325+12)=103335-274+56=11754×8=432220-121-85=143/6+2/6=5/6413-136×3=5491-(170+66)=25550×(161-153)=4005/7+2/7=1161-34×2=93274-219+396=451828+481-839=470303-112-122=69659+482-94=1047776×2=1552391-372+878=897730+205-200=735803×8-553=5871942+(830-583)=1189306-118-83=105266×2-82=450198-13×4=146276-12×8=180184+86=270725-468+160=417222×3-320=346481-(413-75)=143956-139×5=261815-(714+101)=0222×8-537=1239197-56=1415/9-4/9=1/931×(140-133)=217288+111-252=147119×(121-117)=476474-37×4=326348-244=104854+(180-14)=1020217+(998-844)=371741+492+808=2041173+290-114=349485-194=291922×(883-876)=6454494-387+288=395471×2+588=1530635-(718-600)=517546+983=1529292-51-29=212691+58×4=923147×6=882458-(347-309)=420334-(91+11)=232948+414+903=2265873-67×5=538234+(470-436)=268119×6-498=216104+231+571=906467-363+34=13849+(472-36)=485297-31=266527-24×6=383756+737+154=1647358×6-190=1958206×2=41290+78=168124×7-608=260543+927+644=2114245-(238-205)=212994+476-747=723617+957-685=889911-(135+533)=243277+(413-396)=294406+769+357=1532290-37×4=142683-(255+163)=26542+315×3=9872/4-1/4=1/478+253-295=3635×(778-770)=280495+(293-23)=765207+542=749378-191-121=66703-30×3=613175×3+307=832179+(147-55)=271134-20+368=482174+499=673342-(177+98)=67925-36=889952-(444+54)=454478-188-212=78185+532+787=1504969+163-516=616206-(324-309)=191121×2=242950×(483-475)=7600294-49-126=119381+(269-264)=386227+943+332=1502944-310-513=121344×(731-725)=20642/7-1/7=1/7356-328+186=214537+925-731=73164×(396-391)=320282-143+20=159978-189+921=1710716×7=5012214+456=670501+909+615=2025308-308+259=259328-(676-606)=258934+(913-301)=1546204+795+937=1936526+273+149=948695-61+879=1513647×(493-490)=1941427-309=118143-(87-23)=79850-373-205=272135×(341-337)=540413-(688-426)=151907-(731-648)=824942-216×4=7824×9-109=107631-281+169=519439-(327+53)=59367×(261-258)=1101514+(942-827)=629153+(419-382)=19055+222=27718+985-699=304208×3-382=242203+284+189=67671×(157-151)=426123+41×7=410753-34+483=1202646+481×2=1608168+