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300×6-542=801+767-938=320-32×7=365-(291-80)=664×3=323-137=819-140×3=264×(372-369)=63+511-285=92+(289-265)=468-320=416-(400-369)=838-175×4=872-287=241×4=465-170=242+51+576=137+47+753=982-(654-517)=84×3+197=742-487=759-(635+66)=442-202-101=535×8-49=411+(388-147)=561-233=41×9-63=697×6-282=276+112+568=233×3-688=96×(204-196)=453×2-97=533-81-257=344+102×4=286+156-218=881-311-263=21×(390-387)=72+141-19=283-28=983-248-720=342-(252+68)=128×3=809×5-824=239+355=149-(48+54)=450-215=2/4-1/4=377-19×5=813-(50+521)=122×6=786-155×5=61×5=623-487-30=189+108-53=822-(435+120)=217+206=403-113+170=657-(565-14)=331+(351-316)=88×5-311=981-726+696=677+941-909=719-13×2=236+234=885-387+886=526-300=783×4=743×(566-563)=495-97=634-84-398=178-(338-192)=496-(186+259)=89+51+203=172-128+50=812×7=90+104-72=233+215-87=142+625+150=228+(268-74)=147+947-268=484-(52-44)=190-155=1/5+4/5=997+192=299-138=467-192-128=997+491×2=988+588=951-186=169-60-108=256+80-32=786-169=187×(371-367)=211+173-129=339-102+185=531+385=548×4-370=953-766+92=182+52+141=709-11×2=933-(721+175)=880×(923-914)=356-(214-167)=812-(71-30)=25+656-551=210+122=103-(107-55)=101+153+647=670-638+660=91×3=302×3=265×4-922=112+595-552=735-622-47=384-67×5=127×4+939=329-115×2=651-(68+288)=44×6+357=215+496+63=6/9+3/9=290×2-18=965-210×4=195+33+190=330×2-372=336×(328-320)=406-293=600-30×9=17×6=829+56×7=702+477+248=365-224-22=401+294×2=361-17-187=337+71=299+161-33=788-198-203=124×(72-66)=373-333+344=483-99×4=515-(815-674)=15+410+461=53×2=397-28-138=419-(50+153)=168-37+328=174×4-367=531×(455-447)=348×2=221×3=115+714-275=263-81×2=332-(494-201)=37×6=83×8=268+(914-36)=631+547+658=83×(13-10)=306-28=311+(380-197)=306-63=70×5+247=858×(186-181)=506×9=468-211+227=266+323-518=41+(402-258)=45×9=202×4-385=471-57-352=141-10×7=28+674+23=557+(828-98)=174+177-54=75+280×3=110+773+23=410+(310-256)=710+565-205=234-16=33×5=409+318=413-(385-283)=314×(367-364)=485-(250-215)=769×3-711=340-181+90=333-(296-33)=564×6-163=414-16×8=428-71=247×2+104=119+379+77=390×(734-726)=941-722=795-349-153=815-275+634=90×9+415=780-390-195=490×2-462=2/5-1/5=80-37+386=178-(101+52)=105-74+388=129×(478-473)=573-(959-829)=789+699-568=794+(623-42)=440-30×8=659-(997-712)=466-361-91=53-19=217-15×8=461-37×2=445-50×4=450-352-80=385-78=84+331-194=376-(194+163)=142×6-546=416+(483-266)=332+(411-342)=91+(436-48)=948-96-123=674+941-36=159+53+743=470-403=927-558+688=371-22×5=824-46-398=318-(583-472)=278+(511-467)=231-161+299=867-73+301=120×5+257=519-255-176=78+214-227=438+835=54-10×5=107+526+151=739×8=884+452+339=56+(414-133)=840+343+523=221+203=843+860+391=422-(357+16)=666-(882-827)=388-(185+75)=483+(449-76)=468+(330-166)=402×8=189+343+125=977-156×5=471+81-502=4/6-1/6=291-253=144+208=158×6-588=286-49-181=209+(468-41)=139+78=911-(735-367)=131+(342-302)=1/5+2/5=291+195×3=468-201=476+(832-308)=265-163+63=954-(76+482)=236-110+197=117×(249-243)=78×(394-389)=130+82+218=536+927+593=230-13+153=173×3=593×6=834-30=151×(170-166)=263-(274-138)=639+756+213=779×6=226-144=347+599-812=82+162=698×(524-517)=250-40×3=333-(342-259)=495-99×3=353×2+544=483-116-25=469-55=103+119=766+565-281=90+451×2=428-174×2=120×2=663-39×8=221-(376-288)=131+567+990=874-38-351=375-(35+217)=284+229=794×7-524=648+104+233=281+(226-136)=111×2+682=458-74-85=17+(455-430)=831-(700-604)=113+207=10+428-163=988-85×2=769-46-539=704-159+771=741+259-781=153×6+802=910-(22+185)=751-489-85=313×8=74+354=104×8+93=718+136×7=35×4=206-85=148+564=322×4=949-465=302×6-660=771+135×6=198×(363-359)=178×5-200=369+(555-455)=443×2=219×3+67=210+154=649+22+179=444-115=124-26+99=501-(583-434)=506-383=659-(953-864)=242-27×2=455-119=529+792=451-38×7=959-(210+549)=432-(157-10)=527-239+43=45+288+229=375×8=4/9-1/9=442-(11+96)=414×6=630+(933-369)=129+164=51+62×7=313+13×9=909+283-767=445-(253-89)=599-(119+284)=185-(16+45)=113×8+456=905-(98-55)=311-(93+181)=98+274-102=404-275-32=309+619+608=71-19+252=841-(19+176)=338×2+278=862+641=160-(172-56)=534+269×2=32×9-57=481+266=601+311+828=313-(437-337)=66×(128-124)=276+(250-78)=138-(358-312)=576-258+235=193-60-15=321+140-382=756-(291+77)=770×3-280=694+106+127=839-(529+173)=559-264+385=793+135×5=121+970+234=134×2+593=335+(483-356)=317×3-683=120+412=873-104×7=7/9-2/9=877-723=201-(424-289)=206-(437-264)=606×(51-47)=40+(435-102)=119+141=450×2=37+(215-73)=596-506+119=53×(449-445)=46+44+792=911+555+727=68+294=768×7-509=257×8-364=190+259=351-(89+158)=912-179×2=324-49×4=944×(323-316)=842+717+776=471-114-261=479×2=365-(114+126)=108×4-295=117×4-259=221×4-242=168+290=129×6-47=232-54×2=774+70-31=162×6=327+170-417=287-285+414=236-(481-335)=65+252-266=61×8+500=14+421-174=461-210×2=897-678+298=394-223=75+37=64×4+160=492-322-102=779×(401-396)=350+201+33=352-(137+83)=792-(329-59)=617+857+189=25+888-348=244×4+379=34×9=1/6+4/6=35×3=277+(214-21)=500-(55+335)=388-290+134=44+140=106×8-38=890+(661-334)=268×2-284=312-140+33=556+202=725+(551-34)=457-12-143=845-(298+512)=470-233+136=205×8=932-(932-175)=441-51=3/7-2/7=512-54×3=16+78=644+(925-871)=50+457+434=842×(694-688)=673+513=378-47×4=310-194+354=586-483+410=891-403+77=700×(986-979)=477-105×2=241+393+72=192-47×4=733+174-48=277+161-81=469+(998-605)=288×(594-589)=214+361-388=350-(35+205)=929-304×2=97×3=954+454=883+282+912=232×4-118=378+(415-12)=385-(77+95)=525+(397-184)=247+(516-274)=445+313+32=472×2-728=375-(325-149)=455-198-144=444+163=279-(174-143)=126×7-508=267-170-54=211-50×2=41×9-221=729-44×8=149-(258-211)=391+(375-235)=66+418-151=465-15×5=142×5+89=246+(140-122)=415-228=186+138-117=950-324-236=19×3=495-146-44=254×2=124+97=263+81×6=6/10-2/10=96×(298-290)=833+167×2=631-15×2=520+209=355-25×3=109+355=343-(13+132)=379+186+798=385×2+226=116×(183-175)=13×(74-67)=331-245=470-51×8=134×7=350+355+145=403+252+216=101×(41-33)=65×7=141-80+44=676+491+411=707×(781-772)=735-(750-748)=494+308=228+428+175=1/4+2/4=341×6-128=98+64=241+(668-515)=181+353×2=307×(501-497)=194+141-311=397-(256+52)=500-429+302=139+72=380-123-178=69+(709-375)=550-103×4=893-677=267+219-88=858×7-243=414-118+147=542-101×5=864-80=541-53-243=388+163=2/6-1/6=620+76+304=591×4-375=114+(362-130)=458+83×6=450+35×5=469-249=454-(76+239)=173-25×4=888+618-138=248+176=167+281=488-(407+79)=286-134=494+(935-490)=3/7+2/7=89+11×4=7/9-1/9=771-(148+156)=54×7+334=850+18+71=783×6=683×(579-576)=3/8+4/8=319×3=84×3-30=872-29-284=864×(648-643)=709×9=258×2-169=214+17×2=302-236+351=137×2+567=668×8-92=71+122=181-(482-407)=276×3+107=379-(470-450)=672-449=868-241+23=112+454=818-55+595=294×2+308=157×(430-425)=167×3+198=220×(380-376)=623+509=156×(60-57)=55+29=934-46-572=472+541+501=225-(42+134)=298-(58+166)=282-217+343=194-(345-197)=132×(58-51)=611-140×2=407-389=406-207-178=153-63=335-(300-40)=5/7+2/7=136-49+25=78×(146-143)=384+(822-101)=2/3-1/3=30×3+463=389-(478-333)=297-91-160=281+179-350=782-(111+71)=597-(201+305)=220×(306-302)=330×9=351-237-43=582-(84+299)=315-(81+20)=433-150-42=237-(19+122)=711×6=204+137×3=863×2=972+859+326=38+47×8=219-131+354=570-129-12=250-157=49×3=141×8-989=1/3+2/3=150+116=4/8+3/8=532×3-345=433-(251+148)=570+(957-542)=897-808+52=970-422-368=375-(105+184)=403+73-456=357-(84+259)=760-10-595=72+379=175+162-211=472-131×3=521×3-796=972-736-211=18×(397-389)=305-(149-31)=552+239+131=386+(94-42)=62×5=14×5=376×2-398=448-415+246=813+293+774=773+120-783=198+45=97+196=6/8+2/8=811-(120+43)=833+579-574=176+262=387×(659-653)=288×(47-44)=147-123+61=668-119-82=377-(171+74)=29+291-145=474-25×3=864+(982-649)=82-42+42=373-(394-249)=457-266+273=73+93=544-(170+329)=75×(150-147)=541×6-444=399+375+597=479+83+29=676×(875-872)=200-(487-433)=708-(996-644)=619×6-673=54×8+223=216+114-87=320+(934-615)=267×2-473=68×(34-31)=442-52=333-(442-319)=324+130+370=27×4+259=884-550=520-343=410-339+458=718×8-520=90-36=454-418+648=695-(211+314)=464-225=909-(37+724)=298-(154+56)=241+513+149=190-16×4=480-67-194=411+(269-195)=915-(621-100)=50×8=348+63=231-100-121=216+265-279=443-28×4=111×5=367×2+809=995×(868-864)=87×(360-357)=261-(201+34)=63×(39-33)=449-290+173=304-102=385-(17+334)=1/6+3/6=262-10=316+(843-253)=729×3-941=269+(421-284)=408+731-367=227+(453-387)=673-(460-37)=124+206-185=22+332×2=52×8=434-11-214=925-35-459=115+222-114=785-(754-414)=256×(243-236)=813-(352+53)=940-911=442-226-216=369+69-11=568-(924-889)=15×3=772-(213+501)=422+715+777=919-848+463=247+85+43=170+583=530+(398-122)=266-(87+69)=354+72+395=499-486=654×9=285+195×3=578-(70+153)=401+780-677=899-579-309=442-411=120+33×5=235×(790-787)=82+220-233=876-194×3=394-217-162=374-30+985=907-394+920=265×3-429=299-128-133=93×6-520=359+(483-320)=152×6-682=196+(485-193)=62×4+496=466-39+531=223-(40+22)=434-164=348-24×2=144×(36-30)=334+156=994-112+47=434-28×4=900-(131+18)=416-120-33=824-253=519×9=962-(950-925)=163×2=379-93+121=668-535-78=21+277+673=504×(168-160)=103×5-442=207×(824-819)=154×3=28×9-71=396-(551-411)=100+(344-207)=891-(497-275)=636-514=81×8=571+360-142=50+30×7=911×(225-222)=619×4-342=354-(480-156)=49×(179-174)=629+727-586=125+12×8=63×9-387=454×2-216=492-291=337+154=496-225-139=446-98×2=167×3=507-407+201=265+(398-232)=161-(495-427)=115+(436-12)=4/7-1/7=4/8-2/8=372+939=153+(731-58)=455-356+111=135×(465-460)=139+(289-222)=844-(665-552)=27+904-846=642-16×2=149×(319-316)=771-147×2=716+(772-594)=506+75×2=560×(993-988)=130+114×4=397+256×3=912-195×3=參考答案300×6-542=1258801+767-938=630320-32×7=96365-(291-80)=154664×3=1992323-137=186819-140×3=399264×(372-369)=79263+511-285=28992+(289-265)=116468-320=148416-(400-369)=385838-175×4=138872-287=585241×4=964465-170=295242+51+576=869137+47+753=937982-(654-517)=84584×3+197=449742-487=255759-(635+66)=58442-202-101=139535×8-49=4231411+(388-147)=652561-233=32841×9-63=306697×6-282=3900276+112+568=956233×3-688=1196×(204-196)=768453×2-97=809533-81-257=195344+102×4=752286+156-218=224881-311-263=30721×(390-387)=6372+141-19=194283-28=255983-248-720=15342-(252+68)=22128×3=384809×5-824=3221239+355=594149-(48+54)=47450-215=2352/4-1/4=1/4377-19×5=282813-(50+521)=242122×6=732786-155×5=1161×5=305623-487-30=106189+108-53=244822-(435+120)=267217+206=423403-113+170=460657-(565-14)=106331+(351-316)=36688×5-311=129981-726+696=951677+941-909=709719-13×2=693236+234=470885-387+886=1384526-300=226783×4=3132743×(566-563)=2229495-97=398634-84-398=152178-(338-192)=32496-(186+259)=5189+51+203=343172-128+50=94812×7=568490+104-72=122233+215-87=361142+625+150=917228+(268-74)=422147+947-268=826484-(52-44)=476190-155=351/5+4/5=1997+192=1189299-138=161467-192-128=147997+491×2=1979988+588=1576951-186=765169-60-108=1256+80-32=304786-169=617187×(371-367)=748211+173-129=255339-102+185=422531+385=916548×4-370=1822953-766+92=279182+52+141=375709-11×2=687933-(721+175)=37880×(923-914)=7920356-(214-167)=309812-(71-30)=77125+656-551=130210+122=332103-(107-55)=51101+153+647=901670-638+660=69291×3=273302×3=906265×4-922=138112+595-552=155735-622-47=66384-67×5=49127×4+939=1447329-115×2=99651-(68+288)=29544×6+357=621215+496+63=7746/9+3/9=1290×2-18=562965-210×4=125195+33+190=418330×2-372=288336×(328-320)=2688406-293=113600-30×9=33017×6=102829+56×7=1221702+477+248=1427365-224-22=119401+294×2=989361-17-187=157337+71=408299+161-33=427788-198-203=387124×(72-66)=744373-333+344=384483-99×4=87515-(815-674)=37415+410+461=88653×2=106397-28-138=231419-(50+153)=216168-37+328=459174×4-367=329531×(455-447)=4248348×2=696221×3=663115+714-275=554263-81×2=101332-(494-201)=3937×6=22283×8=664268+(914-36)=1146631+547+658=183683×(13-10)=249306-28=278311+(380-197)=494306-63=24370×5+247=597858×(186-181)=4290506×9=4554468-211+227=484266+323-518=7141+(402-258)=18545×9=405202×4-385=423471-57-352=62141-10×7=7128+674+23=725557+(828-98)=1287174+177-54=29775+280×3=915110+773+23=906410+(310-256)=464710+565-205=1070234-16=21833×5=165409+318=727413-(385-283)=311314×(367-364)=942485-(250-215)=450769×3-711=1596340-181+90=249333-(296-33)=70564×6-163=3221414-16×8=286428-71=357247×2+104=598119+379+77=575390×(734-726)=3120941-722=219795-349-153=293815-275+634=117490×9+415=1225780-390-195=195490×2-462=5182/5-1/5=1/580-37+386=429178-(101+52)=25105-74+388=419129×(478-473)=645573-(959-829)=443789+699-568=920794+(623-42)=1375440-30×8=200659-(997-712)=374466-361-91=1453-19=34217-15×8=97461-37×2=387445-50×4=245450-352-80=18385-78=30784+331-194=221376-(194+163)=19142×6-546=306416+(483-266)=633332+(411-342)=40191+(436-48)=479948-96-123=729674+941-36=1579159+53+743=955470-403=67927-558+688=1057371-22×5=261824-46-398=380318-(583-472)=207278+(511-467)=322231-161+299=369867-73+301=1095120×5+257=857519-255-176=8878+214-227=65438+835=127354-10×5=4107+526+151=784739×8=5912884+452+339=167556+(414-133)=337840+343+523=1706221+203=424843+860+391=2094422-(357+16)=49666-(882-827)=611388-(185+75)=128483+(449-76)=856468+(330-166)=632402×8=3216189+343+125=657977-156×5=197471+81-502=504/6-1/6=3/6291-253=38144+208=352158×6-588=360286-49-181=56209+(468-41)=636139+78=217911-(735-367)=543131+(342-302)=1711/5+2/5=3/5291+195×3=876468-201=267476+(832-308)=1000265-163+63=165954-(76+482)=396236-110+197=323117×(249-243)=70278×(394-389)=390130+82+218=430536+927+593=2056230-13+153=370173×3=519593×6=3558834-30=804151×(170-166)=604263-(274-138)=127639+756+213=1608779×6=4674226-144=82347+599-812=13482+162=244698×(524-517)=4886250-40×3=130333-(342-259)=250495-99×3=198353×2+544=1250483-116-25=342469-55=414103+119=222766+565-281=105090+451×2=992428-174×2=80120×2=240663-39×8=351221-(376-288)=133131+567+990=1688874-38-351=485375-(35+217)=123284+229=513794×7-524=5034648+104+233=985281+(226-136)=371111×2+682=904458-74-85=29917+(455-430)=42831-(700-604)=735113+207=32010+428-163=275988-85×2=818769-46-539=184704-159+771=1316741+259-781=219153×6+802=1720910-(22+185)=703751-489-85=177313×8=250474+354=428104×8+93=925718+136×7=167035×4=140206-85=121148+564=712322×4=1288949-465=484302×6-660=1152771+135×6=1581198×(363-359)=792178×5-200=690369+(555-455)=469443×2=886219×3+67=724210+154=364649+22+179=850444-115=329124-26+99=197501-(583-434)=352506-383=123659-(953-864)=570242-27×2=188455-119=336529+792=1321451-38×7=185959-(210+549)=200432-(157-10)=285527-239+43=33145+288+229=562375×8=30004/9-1/9=3/9442-(11+96)=335414×6=2484630+(933-369)=1194129+164=29351+62×7=485313+13×9=430909+283-767=425445-(253-89)=281599-(119+284)=196185-(16+45)=124113×8+456=1360905-(98-55)=862311-(93+181)=3798+274-102=270404-275-32=97309+619+608=153671-19+252=304841-(19+176)=646338×2+278=954862+641=1503160-(172-56)=44534+269×2=107232×9-57=231481+266=747601+311+828=1740313-(437-337)=21366×(128-124)=264276+(250-78)=448138-(358-312)=92576-258+235=553193-60-15=118321+140-382=79756-(291+77)=388770×3-280=2030694+106+127=927839-(529+173)=137559-264+385=680793+135×5=1468121+970+234=1325134×2+593=861335+(483-356)=462317×3-683=268120+412=532873-104×7=1457/9-2/9=5/9877-723=154201-(424-289)=66206-(437-264)=33606×(51-47)=242440+(435-102)=373119+141=260450×2=90037+(215-73)=179596-506+119=20953×(449-445)=21246+44+792=882911+555+727=219368+294=362768×7-509=4867257×8-364=1692190+259=449351-(89+158)=104912-179×2=554324-49×4=128944×(323-316)=6608842+717+776=2335471-114-261=96479×2=958365-(114+126)=125108×4-295=137117×4-259=209221×4-242=642168+290=458129×6-47=727232-54×2=124774+70-31=813162×6=972327+170-417=80287-285+414=416236-(481-335)=9065+252-266=5161×8+500=98814+421-174=261461-210×2=41897-678+298=517394-223=17175+37=11264×4+160=416492-322-102=68779×(401-396)=3895350+201+33=584352-(137+83)=132792-(329-59)=522617+857+189=166325+888-348=565244×4+379=135534×9=3061/6+4/6=5/635×3=105277+(214-21)=470500-(55+335)=110388-290+134=23244+140=184106×8-38=810890+(661-334)=1217268×2-284=252312-140+33=205556+202=758725+(551-34)=1242457-12-143=302845-(298+512)=35470-233+136=373205×8=1640932-(932-175)=175441-51=3903/7-2/7=1/7512-54×3=35016+78=94644+(925-871)=69850+457+434=941842×(694-688)=5052673+513=1186378-47×4=190310-194+354=470586-483+410=513891-403+77=565700×(986-979)=4900477-105×2=267241+393+72=706192-47×4=4733+174-48=859277+161-81=357469+(998-605)=862288×(594-589)=1440214+361-388=187350-(35+205)=110929-304×2=32197×3=291954+454=1408883+282+912=2077232×4-118=810378+(415-12)=781385-(77+95)=213525+(397-184)=738247+(516-274)=489445+313+32=790472×2-728=216375-(325-149)=199455-198-144=113444+163=607279-(174-143)=248126×7-508=374267-170-54=43211-50×2=11141×9-221=148729-44×8=377149-(258-211)=102391+(375-235)=53166+418-151=333465-15×5=390142×5+89=799246+(140-122)=264415-228=187186+138-117=207950-324-236=39019×3=57495-146-44=305254×2=508124+97=221263+81×6=7496/10-2/10=4/1096×(298-290)=768833+167×2=1167631-15×2=601520+209=729355-25×3=280109+355=464343-(13+132)=198379+186+798=1363385×2+226=996116×(183-175)=92813×(74-67)=91331-245=86470-51×8=62134×7=938350+355+145=850403+252+216=871101×(41-33)=80865×7=455141-80+44=105676+491+411=1578707×(781-772)=6363735-(750-748)=733494+308=802228+428+175=8311/4+2/4=3/4341×6-128=191898+64=162241+(668-515)=394181+353×2=887307×(501-497)=1228194+141-311=24397-(256+52)=89500-429+302=373139+72=211380-123-178=7969+(709-375)=403550-103×4=138893-677=216267+219-88=398858×7-243=5763414-118+147=443542-101×5=37864-80=784541-53-243=245388+163=5512/6-1/6=1/6620+76+304=1000591×4-375=1989114+(362-130)=346458+83×6=956450+35×5=625469-249=220454-(76+239)=139173-25×4=73888+618-138=1368248+176=424167+281=448488-(407+79)=2286-134=152494+(935-490)=9393/7+2/7=5/789+11×4=1337/9-1/9=6/9771-(148+156)=46754×7+334=712850+18+71=939783×6=4698683×(579-576)=20493/8+4/8=7/8319×3=95784×3-30=222872-29-284=559864×(648-643)=4320709×9=6381258×2-169=347214+17×2=248302-236+351=417137×2+567=841668×8-92=525271+122=193181-(482-407)=106276×3+107=935379-(470-450)=359672-449=223868-241+23=650112+454=566818-55+595=1358294×2+308=896157×(430-425)=785167×3+198=699220×(380-376)=880623+509=1132156×(60-57)=46855+29=84934-46-572=316472+541+501=1514225-(42+134)=49298-(58+166)=74282-217+343=408194-(345-197)=46132×(58-51)=924611-140×2=331407-389=18406-207-178=21153-63=90335-(300-40)=755/7+2/7=1136-49+25=11278×(146-143)=234384+(822-101)=11052/3-1/3=1/330×3+463=553389-(478-333)=244297-91-160=46281+179-350=110782-(111+71)=600597-(201+305)=91220×(306-302)=880330×9=2970351-237-43=71582-(84+299)=199315-(81+20)=214433-150-42=241237-(19+122)=96711×6=4266204+137×3=615863×2=1726972+859+326=215738+47×8=414219-131+354=442570-129-12=429250-157=9349×3=147141×8-989=1391/3+2/3=1150+116=2664/8+3/8=7/8532×3-345=1251433-(251+148)=34570+(957-542)=985897-808+52=141970-422-368=180375-(105+184)=86403+73-456=20357-(84+259)=14760-10-595=15572+379=451175+162-211=126472-131×3=79521×3-796=767972-736-211=2518×(397-389)=144305-(149-31)=187552+239+131=922386+(94-42)=43862×5=31014×5=70376×2-398=354448-415+246=279813+293+774=1880773+120-783=110198+45=24397+196=2936/8+2/8=1811-(120+43)=648833+579-574=838176+262=438387×(659-653)=2322288×(47-44)=864147-123+61=85668-119-82=467377-(171+74)=13229+291-145=175474-25×3=399864+(982-649)=119782-42+42=82373-(394-249)=228457-266+273=46473+93=166544-(170+329)=4575×(150-147)=225541×6-444=2802399+375+597=1371479+83+29=591676×(875-872)=2028200-(487-433)=146708-(996-644)=356619×6-673=304154×8+223=655216+114