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616-(52+122)=392-260+299=555+261=461+(404-346)=361-76-262=78×9+125=90+51×3=500+(880-268)=682-(276+72)=712-115+418=396+(632-312)=564×4-822=95+10+718=160+35=896-(373+106)=49×9-233=494-(472-337)=152+347=120+254=882-113=317-129-116=608+52×8=98+265=135×4=31+(216-204)=367-82+112=523+634+278=151+115-196=349-116×2=508+480×2=322+51×4=292-56+840=356-141=3/8-2/8=56+280×3=907-(210+486)=99×(83-76)=257×3+200=748×3-452=319×2-234=198+113+179=245+188-39=1/8+6/8=249×2=371+572-215=310×3=471-(154+87)=278-10-155=240+564+99=279-29×8=306+218+937=158×2=81×(240-233)=886×6-31=472×8=271-211=494-409=437-24-170=767-295×2=808-580+639=176+432=855×5=477-(458-328)=975-(666+284)=195+741-64=794-65×2=969-365-23=50×5+237=96×5+315=4/8-1/8=619-(886-632)=209×(219-214)=925-91×7=4/7-2/7=731-114×2=464+41×3=492-196×2=92+242-194=881+(803-200)=296-23×8=457-68×5=140+120-147=187+132+172=425-25×9=959-160-421=147×(271-268)=597×6=203+379+366=679-111+611=357+44-101=401-221=161×4+197=240-(367-178)=467+(433-182)=292-125=251+68×7=492+(855-106)=287+118×4=952-152-123=279-35×2=274+618=438-355+74=419+929+343=775-95×5=436-323=357-63=287×(203-200)=229-86=5/8-2/8=105+81=27+313-324=478-(228+17)=22×6=236+124-307=926-191×3=144-(314-179)=756×2-55=554+97+20=628×8=437+(744-65)=928-21+63=130×4-421=85+340=398-324+101=634×6-894=235+897=824+(589-504)=790×4-872=451-(80+78)=163×9=735-(327+387)=1/9+4/9=52×7=109+536+85=304-(910-878)=136+274=863-(87+418)=467-327=340+(494-399)=77×(443-436)=404+64-32=238+447+838=378-(399-86)=506+79×6=238+190-13=964-452-109=317-(352-159)=164-79=914-70-627=679-256+788=919+185+263=180+(911-209)=145×6-113=795-303-265=443-16×6=272×9=336+179=443+800-293=113+180-57=80×8-94=146-14×3=235×2-169=939×(813-805)=937+(747-396)=895×3-378=426-(139+208)=153-29+162=308-227-71=321+(621-418)=258+(418-123)=397×2-777=758+479-603=546+806-322=847-110+102=162+10×9=447×2-553=448-231-180=553×8-967=180+929=246-(467-412)=35×(193-185)=196+503+603=242+(348-154)=41×6+773=496-111+930=229+197=192+56=304×2=68×4+513=415+316-488=841-231+142=476-(468-138)=328×2+167=349-(194-74)=40×(643-639)=345+117-307=669-(458-230)=180+305=556-(53+192)=82×6=119-(292-257)=177×3-239=55+277=501-212=590-58×3=462-61×6=146×6=181+241=99×2-154=239-70=678-(480+89)=74×4=338-25+38=212+236-329=179+317=378+458-544=164-160+118=534-37×3=109×3=32×(989-980)=217+(575-475)=310-(198-171)=423-(111+74)=20×3+30=369-161+52=487+364+243=65+(499-453)=336-136+214=411-(126+217)=787-(488+171)=995+565=101×9=40×(192-185)=63+397-45=570-470=184×4-682=706-94×6=194×5-494=494+(498-118)=418-(14+58)=12×2=331-(284-133)=480-(391+21)=4/6-1/6=954-222×4=396-102-267=233×5=88+299=227+223=146-(933-892)=387×2=338+129-132=614+425+288=48+857-411=487+291+352=812-803+747=130×9-575=388-198=741-365-96=860-233+196=235+603=339-179+182=282-100×2=239+(229-163)=310×3+148=29+380+926=301×2+235=903-(39+855)=261-56=589-473+862=392+32×3=66+272-39=92+200=394-29-299=235+946-144=308×(879-873)=836-111-440=576+166-305=56-(458-413)=709-582+517=707-600+15=993-98-499=323+151×4=314×2+305=423-(24+85)=244-(113-48)=469-119+47=168+242=371-338+363=748+998-498=203-154=878-(474+318)=622×(83-77)=684-461-191=728-189-288=3/5-1/5=105+207×3=383-18×4=280+61-105=683-(206-23)=451+66+272=972+725+624=752-602+885=987-84×5=230-(126+14)=50×2=115×4-201=85×3=25×(413-408)=477+174+128=988×(630-624)=809×6-798=56×9=730-(894-591)=703-641-26=906-(432+225)=320+838=422×(340-335)=769-667=449-84-148=16+175-186=481+295=131×5-360=460×5-369=349-228-116=119×7-509=300-224=2/4-1/4=568×(930-925)=278-37×4=467-315=844-(338+198)=257+(294-210)=474-174=232-132+134=406+88=548+175-669=238×(583-577)=35+710+161=183-72+88=427-411+272=874-533+804=77+291=791-72×3=448-17×4=238+605=939-157=493-374+204=250×2+64=972-(59+291)=59+245=257+852-934=576-66×5=798-467-51=117×3+137=902-(334+271)=858-(77+687)=271-100-78=419+872+247=7/8-1/8=781+348-978=223×2=344+149+129=21+(150-19)=809-68×9=933-544+439=874-(438+325)=4/8-3/8=751+215=715×4-707=342-182-89=162×2=27×(500-494)=327-240=219-(21+160)=345-(14+106)=158+328-436=469+(395-297)=223-136=720-262=44×2=392-60×3=437-(348-42)=277×4-670=383-(250-204)=760-597=79×(364-355)=280×3=654+160×6=348+(447-120)=496-(249+31)=980-(318+61)=979+324=114+292-40=182-24×2=338+(750-193)=249+108-159=463×2+151=412-334=2/7-1/7=181+595+389=303-107-137=373-(179+161)=110×7-472=713+63×7=384-341-29=205+(503-382)=257×7=916-116×6=448-(399-308)=821-(44+571)=314-59=391-(892-574)=630-(677-450)=900+373-688=1/6+3/6=420-313=415-(309-231)=894-865+499=115+275×3=664+96×9=501-(656-433)=457-202-147=701-(143-65)=356×8-97=374-(40+261)=150-144+30=288-53-110=382×2-299=908+(651-607)=891+135-677=289+209=564-339+833=871-711=46×(24-18)=447-112=253-135+94=659+(887-332)=20×4=706+210=105×3=171+359+331=230-64×2=139×4+894=256+579+52=28×7+233=247×2+316=786-244+201=186+289=122+(205-122)=258+81×5=84×(479-474)=73+188-83=630-184=439-(313-306)=428×2-349=627-(101+351)=351-118-108=421-(201+59)=974-(94+218)=541+15+793=392+283+21=962-116=381×5=135+(358-185)=293+205×3=3/6+2/6=11×(428-423)=936-(89+785)=616-44×4=3/9-1/9=379+808=99+325-91=512×(710-703)=538+105×3=426-327=112×(786-779)=33×6=278-(413-266)=659+554=100-(78-60)=255+604-320=26×(633-627)=340+122=438-381=396+293+288=133+263+740=379-134-164=382×2=73×7+303=91×(110-102)=462+(567-340)=993-277+566=262-26-75=42×(307-299)=264-236=78×(54-50)=689-184-17=642-513=333-82×3=355×(626-623)=574-64-385=509×7=661-(545-509)=106×(481-477)=867-(523-91)=489-170×2=2/9+4/9=929×(597-591)=405+(426-158)=424-71×4=982×(429-422)=388×3-575=694+148+97=372+(224-144)=656-61-41=885+(679-467)=526-(163+196)=91×6=558-256=929+(558-510)=475+(489-425)=450-(93+158)=242+(347-339)=928+512-447=50+59+735=727×(127-120)=277+197×2=926-(735+22)=757+33+578=558×9-146=235-17×4=250×8-805=3/8+4/8=156×6=51×(485-479)=253-(191-182)=243-(146+41)=265-55×2=888-130-692=922-(467+151)=810×4=45+336-20=556-(338-146)=931+653+132=382+250=662+311+197=1/8+3/8=912-781=26+799+102=418-54+36=141+(91-56)=656-604-29=475-45×2=224-(299-277)=51×(465-456)=780-450-304=997-329×2=439-82-167=45×5=537-253-253=323+(744-23)=807-(32+116)=274-(108+139)=103×(56-48)=926-(348-185)=468-(138+122)=43×(270-266)=298+74=167+215=488-134-294=24+289-63=188×(127-124)=382+903+360=487-270-61=100×3=275+(227-164)=392-(853-734)=876-310-511=331-145×2=305+268+982=113×(130-124)=164+56×2=958-826=788+(503-339)=321-185+232=1/3+2/3=244×(432-428)=765-(233+360)=835+108+237=818-13×2=873×(678-670)=186-101-29=478×2-199=19+(303-166)=271+464+81=286+392+161=117-(42+18)=853×2-999=187+150=654-38=135-25=354-296+153=652+(466-250)=425-10×2=310-268=727-520+369=130×2+195=250-67=800×6=459-432+256=144×2+219=108×(356-352)=188×2+603=792-75-447=265+558+33=407-(102+284)=121×(436-433)=481-300+283=220+275-167=322+50+522=160-50×3=1/8+5/8=192×5-241=107×7=54-(220-181)=157-77=84×9-243=234+104+653=324-75+997=458-44=473+33×6=131+277=159+(380-197)=480-(62+322)=614×2-942=686-630+91=667-(911-569)=194×6-892=322-121+114=382-28×8=473-(380-108)=111-27+133=991×5=797+249-131=85+(640-383)=784+(842-293)=427-32=834-327=262×2+278=363-229-24=737×4=152-79+294=823+950=668×5=319-221+75=89+140=69+(268-193)=975-243×3=274×2-508=764+(984-305)=280+702+168=118-(39+11)=495-(77+334)=618+158×2=602+35+114=445-289+131=14×(166-157)=959-686=322×(904-895)=751×9-995=774-(942-785)=968×9=546-24×7=412-(106+126)=142×7-151=124×7-730=711+825-334=313+120-120=556+122+218=174-120=198×3=229×3=13+80×7=79+324=54×(344-335)=261×7-23=255-88-139=123×(474-467)=654-196-419=949-34×7=965-185×5=265×(144-136)=562+188-578=887×4=47×2+298=914-(612+32)=630-590=134×4+158=560-175=915+782-271=525+718-985=274+(327-31)=971-327+168=79×(24-16)=152+590=566-(986-940)=358+(232-68)=439-78=292-40-69=149-39-62=572-(191+58)=329-(555-338)=629+(855-512)=135×(289-286)=726×9=639×9-154=474-(286-156)=94-30+41=164+192=191-(668-637)=476+(164-85)=457-272-23=87×9+287=493+111=663+78-695=332×6-399=155+149+604=46×7+309=23×9+485=563+310-813=35-(121-106)=451-(267+182)=63+325-145=989+763=367-161×2=228×8-342=206×2-106=655-104×4=731×6-316=69+473+441=83+(204-42)=981-(79-37)=190×4-262=20×2=184+322+197=698-171×3=203+(482-35)=435×2=225+179=433-117×3=189+226+72=630-198-73=214+76×2=133×(816-811)=151×2=318+(354-265)=907+103×8=922-390-187=329-(16+185)=97+66=119×(522-517)=474-(178+44)=390×2=331-63+771=123+28×9=337+(543-361)=302-(477-342)=468+809-427=885-(998-838)=371+182+142=361-89-136=2/9+6/9=130+580-373=266×(793-784)=214+903=91×2=325+256+224=51×4-105=145-73=386-(479-100)=294-241=992-(796-151)=287+(483-375)=482-(370-64)=105×9-386=447×2-727=422-(182+160)=328-87+28=246-(290-191)=606×(582-576)=1/7+2/7=152×5-611=435+(920-524)=690-205-450=977-868=321+420+101=122×(224-216)=220-97-77=184×(42-36)=598+48+98=306×(584-577)=492-(289-146)=52+94=333×3=496-250-163=638×6=414-40×2=140-(953-932)=321-129×2=469-158-301=734-(586-213)=617×2=195-95×2=204+345+994=91×8-340=45+389-174=69+228=780-99×3=546-10×4=210-120=443-13×4=359×2-703=359-149+59=283-(258-152)=899+(770-15)=487-207+68=214×5-791=90×2=539+(673-599)=225+788=123+183-257=176+(460-269)=69+225=495+28×2=732+582-592=740-(257-148)=639+116=1/4+2/4=109+389×2=472-263+657=483+344-715=329-236-75=2/3-1/3=291-115=502-275=805-280×2=20×2+28=31+161+519=798+872+356=869-492=225+71+91=580+55+117=885×8=980-19-168=66×(262-255)=133×3+50=145+293-46=174×(158-153)=254-12+98=94+382-33=183+99=400-(459-185)=287×3-303=參考答案616-(52+122)=442392-260+299=431555+261=816461+(404-346)=519361-76-262=2378×9+125=82790+51×3=243500+(880-268)=1112682-(276+72)=334712-115+418=1015396+(632-312)=716564×4-822=143495+10+718=823160+35=195896-(373+106)=41749×9-233=208494-(472-337)=359152+347=499120+254=374882-113=769317-129-116=72608+52×8=102498+265=363135×4=54031+(216-204)=43367-82+112=397523+634+278=1435151+115-196=70349-116×2=117508+480×2=1468322+51×4=526292-56+840=1076356-141=2153/8-2/8=1/856+280×3=896907-(210+486)=21199×(83-76)=693257×3+200=971748×3-452=1792319×2-234=404198+113+179=490245+188-39=3941/8+6/8=7/8249×2=498371+572-215=728310×3=930471-(154+87)=230278-10-155=113240+564+99=903279-29×8=47306+218+937=1461158×2=31681×(240-233)=567886×6-31=5285472×8=3776271-211=60494-409=85437-24-170=243767-295×2=177808-580+639=867176+432=608855×5=4275477-(458-328)=347975-(666+284)=25195+741-64=872794-65×2=664969-365-23=58150×5+237=48796×5+315=7954/8-1/8=3/8619-(886-632)=365209×(219-214)=1045925-91×7=2884/7-2/7=2/7731-114×2=503464+41×3=587492-196×2=10092+242-194=140881+(803-200)=1484296-23×8=112457-68×5=117140+120-147=113187+132+172=491425-25×9=200959-160-421=378147×(271-268)=441597×6=3582203+379+366=948679-111+611=1179357+44-101=300401-221=180161×4+197=841240-(367-178)=51467+(433-182)=718292-125=167251+68×7=727492+(855-106)=1241287+118×4=759952-152-123=677279-35×2=209274+618=892438-355+74=157419+929+343=1691775-95×5=300436-323=113357-63=294287×(203-200)=861229-86=1435/8-2/8=3/8105+81=18627+313-324=16478-(228+17)=23322×6=132236+124-307=53926-191×3=353144-(314-179)=9756×2-55=1457554+97+20=671628×8=5024437+(744-65)=1116928-21+63=970130×4-421=9985+340=425398-324+101=175634×6-894=2910235+897=1132824+(589-504)=909790×4-872=2288451-(80+78)=293163×9=1467735-(327+387)=211/9+4/9=5/952×7=364109+536+85=730304-(910-878)=272136+274=410863-(87+418)=358467-327=140340+(494-399)=43577×(443-436)=539404+64-32=436238+447+838=1523378-(399-86)=65506+79×6=980238+190-13=415964-452-109=403317-(352-159)=124164-79=85914-70-627=217679-256+788=1211919+185+263=1367180+(911-209)=882145×6-113=757795-303-265=227443-16×6=347272×9=2448336+179=515443+800-293=950113+180-57=23680×8-94=546146-14×3=104235×2-169=301939×(813-805)=7512937+(747-396)=1288895×3-378=2307426-(139+208)=79153-29+162=286308-227-71=10321+(621-418)=524258+(418-123)=553397×2-777=17758+479-603=634546+806-322=1030847-110+102=839162+10×9=252447×2-553=341448-231-180=37553×8-967=3457180+929=1109246-(467-412)=19135×(193-185)=280196+503+603=1302242+(348-154)=43641×6+773=1019496-111+930=1315229+197=426192+56=248304×2=60868×4+513=785415+316-488=243841-231+142=752476-(468-138)=146328×2+167=823349-(194-74)=22940×(643-639)=160345+117-307=155669-(458-230)=441180+305=485556-(53+192)=31182×6=492119-(292-257)=84177×3-239=29255+277=332501-212=289590-58×3=416462-61×6=96146×6=876181+241=42299×2-154=44239-70=169678-(480+89)=10974×4=296338-25+38=351212+236-329=119179+317=496378+458-544=292164-160+118=122534-37×3=423109×3=32732×(989-980)=288217+(575-475)=317310-(198-171)=283423-(111+74)=23820×3+30=90369-161+52=260487+364+243=109465+(499-453)=111336-136+214=414411-(126+217)=68787-(488+171)=128995+565=1560101×9=90940×(192-185)=28063+397-45=415570-470=100184×4-682=54706-94×6=142194×5-494=476494+(498-118)=874418-(14+58)=34612×2=24331-(284-133)=180480-(391+21)=684/6-1/6=3/6954-222×4=66396-102-267=27233×5=116588+299=387227+223=450146-(933-892)=105387×2=774338+129-132=335614+425+288=132748+857-411=494487+291+352=1130812-803+747=756130×9-575=595388-198=190741-365-96=280860-233+196=823235+603=838339-179+182=342282-100×2=82239+(229-163)=305310×3+148=107829+380+926=1335301×2+235=837903-(39+855)=9261-56=205589-473+862=978392+32×3=48866+272-39=29992+200=292394-29-299=66235+946-144=1037308×(879-873)=1848836-111-440=285576+166-305=43756-(458-413)=11709-582+517=644707-600+15=122993-98-499=396323+151×4=927314×2+305=933423-(24+85)=314244-(113-48)=179469-119+47=397168+242=410371-338+363=396748+998-498=1248203-154=49878-(474+318)=86622×(83-77)=3732684-461-191=32728-189-288=2513/5-1/5=2/5105+207×3=726383-18×4=311280+61-105=236683-(206-23)=500451+66+272=789972+725+624=2321752-602+885=1035987-84×5=567230-(126+14)=9050×2=100115×4-201=25985×3=25525×(413-408)=125477+174+128=779988×(630-624)=5928809×6-798=405656×9=504730-(894-591)=427703-641-26=36906-(432+225)=249320+838=1158422×(340-335)=2110769-667=102449-84-148=21716+175-186=5481+295=776131×5-360=295460×5-369=1931349-228-116=5119×7-509=324300-224=762/4-1/4=1/4568×(930-925)=2840278-37×4=130467-315=152844-(338+198)=308257+(294-210)=341474-174=300232-132+134=234406+88=494548+175-669=54238×(583-577)=142835+710+161=906183-72+88=199427-411+272=288874-533+804=114577+291=368791-72×3=575448-17×4=380238+605=843939-157=782493-374+204=323250×2+64=564972-(59+291)=62259+245=304257+852-934=175576-66×5=246798-467-51=280117×3+137=488902-(334+271)=297858-(77+687)=94271-100-78=93419+872+247=15387/8-1/8=6/8781+348-978=151223×2=446344+149+129=62221+(150-19)=152809-68×9=197933-544+439=828874-(438+325)=1114/8-3/8=1/8751+215=966715×4-707=2153342-182-89=71162×2=32427×(500-494)=162327-240=87219-(21+160)=38345-(14+106)=225158+328-436=50469+(395-297)=567223-136=87720-262=45844×2=88392-60×3=212437-(348-42)=131277×4-670=438383-(250-204)=337760-597=16379×(364-355)=711280×3=840654+160×6=1614348+(447-120)=675496-(249+31)=216980-(318+61)=601979+324=1303114+292-40=366182-24×2=134338+(750-193)=895249+108-159=198463×2+151=1077412-334=782/7-1/7=1/7181+595+389=1165303-107-137=59373-(179+161)=33110×7-472=298713+63×7=1154384-341-29=14205+(503-382)=326257×7=1799916-116×6=220448-(399-308)=357821-(44+571)=206314-59=255391-(892-574)=73630-(677-450)=403900+373-688=5851/6+3/6=4/6420-313=107415-(309-231)=337894-865+499=528115+275×3=940664+96×9=1528501-(656-433)=278457-202-147=108701-(143-65)=623356×8-97=2751374-(40+261)=73150-144+30=36288-53-110=125382×2-299=465908+(651-607)=952891+135-677=349289+209=498564-339+833=1058871-711=16046×(24-18)=276447-112=335253-135+94=212659+(887-332)=121420×4=80706+210=916105×3=315171+359+331=861230-64×2=102139×4+894=1450256+579+52=88728×7+233=429247×2+316=810786-244+201=743186+289=475122+(205-122)=205258+81×5=66384×(479-474)=42073+188-83=178630-184=446439-(313-306)=432428×2-349=507627-(101+351)=175351-118-108=125421-(201+59)=161974-(94+218)=662541+15+793=1349392+283+21=696962-116=846381×5=1905135+(358-185)=308293+205×3=9083/6+2/6=5/611×(428-423)=55936-(89+785)=62616-44×4=4403/9-1/9=2/9379+808=118799+325-91=333512×(710-703)=3584538+105×3=853426-327=99112×(786-779)=78433×6=198278-(413-266)=131659+554=1213100-(78-60)=82255+604-320=53926×(633-627)=156340+122=462438-381=57396+293+288=977133+263+740=1136379-134-164=81382×2=76473×7+303=81491×(110-102)=728462+(567-340)=689993-277+566=1282262-26-75=16142×(307-299)=336264-236=2878×(54-50)=312689-184-17=488642-513=129333-82×3=87355×(626-623)=1065574-64-385=125509×7=3563661-(545-509)=625106×(481-477)=424867-(523-91)=435489-170×2=1492/9+4/9=6/9929×(597-591)=5574405+(426-158)=673424-71×4=140982×(429-422)=6874388×3-575=589694+148+97=939372+(224-144)=452656-61-41=554885+(679-467)=1097526-(163+196)=16791×6=546558-256=302929+(558-510)=977475+(489-425)=539450-(93+158)=199242+(347-339)=250928+512-447=99350+59+735=844727×(127-120)=5089277+197×2=671926-(735+22)=169757+33+578=1368558×9-146=4876235-17×4=167250×8-805=11953/8+4/8=7/8156×6=93651×(485-479)=306253-(191-182)=244243-(146+41)=56265-55×2=155888-130-692=66922-(467+151)=304810×4=324045+336-20=361556-(338-146)=364931+653+132=1716382+250=632662+311+197=11701/8+3/8=4/8912-781=13126+799+102=927418-54+36=400141+(91-56)=176656-604-29=23475-45×2=385224-(299-277)=20251×(465-456)=459780-450-304=26997-329×2=339439-82-167=19045×5=225537-253-253=31323+(744-23)=1044807-(32+116)=659274-(108+139)=27103×(56-48)=824926-(348-185)=763468-(138+122)=20843×(270-266)=172298+74=372167+215=382488-134-294=6024+289-63=250188×(127-124)=564382+903+360=1645487-270-61=156100×3=300275+(227-164)=338392-(853-734)=273876-310-511=55331-145×2=41305+268+982=1555113×(130-124)=678164+56×2=276958-826=132788+(503-339)=952321-185+232=3681/3+2/3=1244×(432-428)=976765-(233+360)=172835+108+237=1180818-13×2=792873×(678-670)=6984186-101-29=56478×2-199=75719+(303-166)=156271+464+81=816286+392+161=839117-(42+18)=57853×2-999=707187+150=337654-38=616135-25=110354-296+153=211652+(466-250)=868425-10×2=405310-268=42727-520+369=576130×2+195=455250-67=183800×6=4800459-432+256=283144×2+219=507108×(356-352)=432188×2+603=979792-75-447=270265+558+33=856407-(102+284)=21121×(436-433)=363481-300+283=464220+275-167=328322+50+522=894160-50×3=101/8+5/8=6/8192×5-241=719107×7=74954-(220-181)=15157-77=8084×9-243=513234+104+653=991324-75+997=1246458-44=414473+33×6=671131+277=408159+(380-197)=342480-(62+322)=96614×2-942=286686-630+91=147667-(911-569)=325194×6-892=272322-121+114=315382-28×8=158473-(380-108)=201111-27+133=217991×5=4955797+249-131=91585+(640-383)=342784+(842-293)=1333427-32=395834-327=507262×2+278=802363-229-24=110737×4=2948152-79+294=367823+950=1773668×5=3340319-221+75=17389+140=22969+(268-193)=144975-243×3=246274×2-508=40764+(984-305)=1443280+702+168=1150118-(39+11)=68495-(77+334)=84618+158×2=934602+35+114=751445-289+131=28714×(166-157)=126959-686=273322×(904-895)=2898751×9-995=5764774-(942-785)=617968×9=8712546-24×7=378412-(106+126)=180142×7-151=843124×7-730=138711+825-334=1202313+120-120=313556+122+218=896174-120=54198×3=594229×3=68713+80×7=57379+324=40354×(344-335)=486261×7-23=1804255-88-139=28123×(474-467)=861654-196-419=39949-34×7=711965-185×5=40265×(144-136)=2120562+188-578=172887×4=354847×2+298=392914-(612+32)=270630-590=40134×4+158=694560-175=385915+782-271=1426525+718-985=258274+(327-31)=570971-327+168=81279×(24-16)=632152+590=742566-(986-940)=520358+(232-68)=522439-78=361292-4